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1522 5 Simple steps to secure TT-RSS reader
secure tt-rss, tt-rss security
5 Simple steps to secure TT-RSS reader
July 27, 2015 by Anand Leave a Comment
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We recently presented Tiny Tiny RSS to you as a great alternative to Google reader, which is one more way you can extend the functionality of your home server or your hosting space. Hopefully, you already exported your data from Google Reader. In this post, we will show you how to secure TT-RSS reader to prevent unauthorized access. Tiny Tiny RSS is an open source web-based news feed (RSS/Atom) reader and aggregator, designed to allow you to read news from any location, while feeling as close to a real desktop application as possible. As we previously explained, it makes an ideal candidate to replace Google Reader. While there are services like Feedly and Newsblur grabbing the crowd Google Reader, which some of you may prefer, there are a group of people who would like to run a RSS reader on their own server and keep things private. Assuming that you have already installed Tiny Tiny RSS on your alternative to Google reader or hosting space, we will now show you how to secure TT-RSS reader.
Secure TT-RSS Reader
One of the main reasons to move to an RSS aggregator like TT-RSS is maintaining your privacy. So if you do not secure TT-RSS reader well you are not only making your data available public but also making your system vulnerable to potential attacks. Choosing a strong username and password while setting your TT-RSS is the first basic thing that you can do to secure TT-RSS reader. Listed below are few more ways you can increase TT-RSS readerâs security.
1. Rename TT-RSS Folder
One of the first lines of defense is to not use tt-rss in your URL to access your TT-RSS reader. To do this on your hosting account, use a folder name other than tt-rss while installing TT-RSS. On your Linux home server, edit /etc/tt-rss/apache.conf and change the first /tt-rss to something else. An example is shown below.
TT-RSS Rename URL
TT-RSS Rename URL
After making the change, restart your TT-RSS and Apache to apply the changes:
sudo service tt-rss restart
sudo serivce apache2 reload
Your TT-RSS reader is now available through the new URL (example: http://mydomain.com/myreader) only.
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2. Enable SSL
Accessing TT-RSS through http sends all information as unencrypted data. This could mean less privacy due to potential sniffing. The solution is to encrypt the data during transfer, which makes sniffing by hackers harder. To enable and enforce HTTPS access on Linux servers with Apache, install the following run-time libraries:
sudo apt-get install libssl0.9.8 libpam0g openssl
Restart your Apache server as shown above. You should now be able to access your TT-RSS reader with HTTPS. Note that you may have to have a SSL certificate generated. Refer to Apache documentation if you want to generate your own certificate. By default, the system will install self-signed certificates for you. These certificates are likely to raise warnings when you point your browser to the site.
3. Disable Single User Mode
By default the single user mode is already disabled (in /etc/tt-rss/config.php). Enabling single user mode will also disable TT-RSS login system. Therefore, keep the single user mode disabled.
Disable Single User Mode
Disable Single User Mode
A better way to make it a single user system is by limiting the number of registrations to 1 as described below. For whatever reason, you still want to enable single user mode, make sure you implement Apache Authentication method described below.
4. Self Registrations
Self registrations allow a visitor to register themselves, which could reduce TT-RSS security. If your TT-RSS will be for personal use only, then you may want to disable user registration by setting âENABLE_REGISTRATIONâ to âfalseâ.
TT-RSS Self Registrations
TT-RSS Self Registrations
To further secure TT-RSS Reader, uou may also want to change âREG_MAX_USERSâ to â1â to make your account the only account on TT-RSS.
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5. Apache Authentication
Last but not the least, enable Authentication. This is even more important if you have enabled âSingle User Modeâ describe above. Every time you access TT-RSS, you will be asked for a username and password as shown in the picture below:
Secure TT-RSS Reader
On your hosting account this equivalent to password protecting a directory, in this case the TT-RSS directory. To do this on your Ubuntu server, you will have to create a .htpasswd file. More information is available in Apache documentation. But the easiest way to achieve this is to use one of the htpasswd generators available online.
After you enter the username and password two code blocks will be generated. Copy the contents of the .htpasswd code block and save it to /etc/apache2/.htpasswd_ttrss. Next, copy the contents of the .htaccess code block and add it to /etc/tt-rss/apache.conf as shown below:
TT-RSS Apache Authentication
TT-RSS Apache Authentication
Save and exit. Restart both TT-RSS and Apache previous shown above. You should be prompted for a password every time you try to access TT-RSS. Some may think that this double authentication method is an extra inconvenience. But I would rather be safe than sorry.
Go ahead, secure Tiny Tiny RSS Reader and enjoy reading articles on your private secure RSS Reader.
1517 THE MUTANT MACHINE Dynamic Analog Percussion Engine
MICROCONTROLLER FREE ANALOG PERCUSSION SYNTHESIS
unique Inverter Core oscillators form the MEMBRANE. Each analog oscillator has three waveforms to select from
capable of synthesizing everything from heavy-hitting bassdrums to classic 909-style snares and other complex timbres
modular design gives the Machine many auxiliary purposes, great for modular sound design of many varieties, and not just percussion
the SNAPPY section is comprised of a voltage controlled noise oscillator, for modelling the noisy part of drum timbres
both MEMBRANE and SNAPPY elements have an external input for replacing the built-in sound sources, opening up many avenues of possibility
13 control voltage and audio inputs, for a fully modular drum experience
7 audio and CV/gate outputs for maximum integration with other modules
dedicated outputs for each WAVE and NOISE oscillator mean you can use the Machine as a complex VCO in your system, when not synthesizing percussion
WAVEFORM SCANNING FEATURE GENERATES COMPLEX TIMBRES
the MEMBRANEâs waveforms can be scanned through automatically by the wavescannerâs voltage controlled clock generator, or an external clock or VCO can be used
SCAN FREQ CV forms a unique form of timbre control, making the Machine act like a complex oscillator at its WAVES output
the ENABLE input allows you to gate the wavescanner on and off with a CV or gate signal
ARCHITECTURE OF THE MACHINE
The Mutant Machine is a dynamic analog instrument capable of generating a wide palette of sounds, ranging from various forms of analog percussion to complex drones and oscillations. To achieve this, the Machine features two synthesis sections which are summed together at the final output: MEMBRANE and SNAPPY. Like the other Mutant Drums, the MEMBRANE and SNAPPY circuits began their mutation as classic analog percussion techniques and have been reimagined for 21st century modular synthesis.
The MEMBRANE forms the main body of the sound by way of two analog VCOs, and the SNAPPY section further adds to the timbre by contributing noisy elements to the mix. A noisy CLICK which occurs at the beginning of the SNAPPY sound can have its volume adjusted independent of the main decaying SNAPPY texture.
The waveforms which make up the MEMBRANE can be selected manually by button press, or the WAVESCANNER can be used to automatically scan through the available analog waveforms. By modulating the frequency through which waves are scanned, unique, complex sounds are created.
Experimentation is encouraged by the many modulation inputs and outputs available to you. The Machine features 8 CV and gate inputs for modulation as well as two external audio inputs, for bringing other modules into the Machineâs core. There are many audio outputs for maximum versatility, allowing you to use the Machine to create drones and alien timbres for use elsewhere in the modular analog system.
1502 Phone-Reluctant Introverts, There is Nothing Wrong With You
As I sit down to write this blog post there is the dreaded sound of a prolonged vibration as my phone skids, bouncing and sporadically across my desk. This is perfectly ideal and ironic distraction that actually befits the very thing I am thinking about and from which it is distracting meâŚ Itself!
I have always had an absolute detest for talking on the phone. And Iâll say now that it has nothing whatsoever to do with the person at the other end, I just find it a horrible tool for communicating with.
I think I probably am, and always have been worse than most people when it comes to using the phone (in the traditional sense, ie speaking to people) but if you can identify with any of this then read on. If youâre thinking, âwhat are you on about, I love the phoneâ then youâll probably just get confused, but if you also have friends who ânever answer the phoneâ then this might help you to understand them a bit better.
I canât sum it up any better than Sophia Dembling in her article, 9 Signs that You Might Be an Introvert:
1413 I have a SOD14C4LN monitor when plugged in and the switch in - Fixya
1333 Download OpenStreetMap data OSM
Commonly Used Formats
europe-latest.osm.pbf, suitable for Osmium, Osmosis, imposm, osm2pgsql, mkgmap, and others. This file was last modified 19 hours ago and contains all OSM data up to 2013-05-28T18:59:04Z. File size: 10.3 GB; MD5 sum: c97ac9a7c90bc7791893f19fe9e7e3a3.
europe-latest.shp.zip is not available for this region; try one of the sub-regions.
Other Formats and Auxiliary Files
europe-latest.osm.bz2, yields OSM XML when decompressed; use for programs that cannot process the .pbf format. This file was last modified 5 days ago. File size: 14.9 GB; MD5 sum: 087b5f040c89d6d64ea18503b2723d61.
.poly file that describes the extent of this region.
.osc.gz files that contain all changes in this region, suitable e.g. for Osmosis updates
raw directory index allowing you to see and download older files
A bit of planning can save you a ton of money when it comes to buying throughout the year. Here's your comprehensive, always up-to-date guide on the best times to buy everything this year.
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1254 SONY TC-D5 Pro II, an impressive machine
I received yesterday a SONT TC-D5 Pro II. I have seen it in photos and read comments about its quality, similar to the D6C.
I liked so much the design with the two VU meters, and it seemed to me that it belongs to an era when build quality was driven by other rules.
1161 body rock tv fitness
I have a non-fitness related life situation that I wanted to run by you guysâŚ. I wanted to talk to you guys today about not always having to say your sorry. Are you one of those people who finds yourself apologizing for things just to smooth things over or avoid a confrontation? This ability is admirable in certain low-key non-crucial situations. Itâs when we apologize for our beliefs and principles â or in the face of being bullied that we pay the high price of compromising ourselves. I have a friend who is being treated badly by certain members of her family. It really comes down to her not living her life exactly the way they think she should be living it. My friend is not endangering herself or others, she is kind hearted and generous to the extreme, but because she is not pulling the line and placing the needs of others before her own basic needs and happiness she is taking a lot of undeserved heat bordering on emotional abuse. Her strategy to this point has been to apologize left and right in an attempt to smooth it over and reset everything. It hasnât worked and if anything it has given the people giving her a hard time more of a license to push it even further. I think there comes a time when you just have to say enough and stop apologizing. I think that there is more strength and balance in believing in yourself and respectfully staying firm in your truth. From this position I think both sides have the best chance of talking it through and resolving it. What do you guys think? Do you find yourself constantly apologizing to certain people in your life? Is it helping or making the relationship more challenging? Any advice for my friend?
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1043 Monotribe, MIDI and me
When I heard about the monotribe, I had my doubts. Mostly that thereâs only one pattern, which is 8 steps long. Well, there are 8 extra steps for the drums, as well as a âflux modeâ which records your movements on the ribbon continuously. In that sense, it is limited, and is an instrument made to be played with your hands, rather than be programmed. But as it turned out, this was a design choice, and not a technical limitation. I can easily imagine why. They wanted it to seem as analog and playful as possible.
Same thing with MIDI. Officially, the monotribe doesnât support MIDI. It does however offer a sync pulse output and input. This allows it to be synced to other monotribes, modular synthesizers or even Korgâs own virtual iMS-20/iElectribe, using a special sync app on a second iPhone/Pod/Pad. However, the lack of MIDI is still a slight limitation.
1020 GnomeActivityJournal - GNOME Live!
GNOME Activity Journal (formerly GNOME Zeitgeist)
GNOME Activity Journal (formerly GNOME Zeitgeist)
Getting in touch
Grouping and Filtering
Long term goals
Mockups And Current Usage
See Zeitgeist for information about the Zeitgeist engine used internally by the GNOME Activity Journal.
The GNOME Activity Journal is a tool for easily browsing and finding files on your computer. It uses Zeitgeist to get information and metadata on what files/websites/contacts/etc. you worked with.
Links: Zeitgeist Website, Zeitgeist on Launchpad, GNOME Activity Journal on Launchpad
The Zeitgeist code is split into two modules:
GNOME Activity Journal (GTK+ interface)
Project page: https://launchpad.net/gnome-activity-journal
Repository: bzr branch lp:gnome-activity-journal
Project page: https://launchpad.net/zeitgeist
Repository: bzr branch lp:zeitgeist
Getting in touch
Mailing list: https://launchpad.net/~gnome-zeitgeist-users
IRC: #zeitgeist @ irc.freenode.net, #gnome-zeitgeist @ irc.gimp.org
John turns on his computer to work on his seminar paper. Instead of digging through his hierarchal file system, he simply opens up GNOME Activity Journal and clicks on the top item in the "Recently Used Files" list. When he realizes that he can't remember the name of the website that he was reading for research yesterday, he simply looks at the list of files related to his paper and clicks on the website.
More at the Zeitgeist Vision page.
Grouping and Filtering
Our goal is to group/filter the data by:
Type of data
Location of use (GPS)
Drag and Drop (not for links)
Filtering by Dataproviders/Time/Tags
Add an actions toolbar to quickly share items by email or instant messaging. (See nautilus-share)
Experiment with Tracker, Soylent, and Empathy.
Long term goals
Better metadata extraction (see some of the sprints above)
Integration with other computers and mobile devices.
Mockups And Current Usage
Some work was done by the City of Largo in the past which replicated some of the features of the Activity Journal. Possibly some of this work can result in ideas for improving the User Interface.
Mockups And Usage.
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992 Troy Hunt: Whoâs who of bad password practices â banks, airlines and more
Troy Hunt on observations, musings and conjecture about the world of software and technology
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Ah, passwords. Love âem or hate âem, theyâre a necessary evil of the digital age. The reality is we all end up with an alphabet soup of passwords spread over dozens of various sites and services across the internet. Whilst we might not always practice it, we all know the theory of creating a good password; uniqueness, randomness and length. The more of each, the better.
Of course we frequently donât do this because of all sorts of human factors such as convenience, memory or simple unawareness of the risks. Still, when itâs a case of individuals electing not to create secure passwords, they really only have themselves to blame.
But what happens when the website wonât allow you to create a secure password? Or at least when they severely constrain your ability to create long, random, unique passwords? And what about when they donât allow you to send it between your computer and their server securely?
Even worse, what happens when our most âsecureâ institutions implement lazy password policies? Unfortunately, all of this is pretty rampant practice.
986 Arduino Blog Âť Blog Archive Âť CHEAP, FAT and OPEN
Jacob Remin, at CIID will present on August 27th, his Arduino-compatible sound synth. There are many projects out there aiming musicians that use Arduinoâs IDE as a programming platform, but Jacobâs wins them all when it comes to the PCBâs shape. Take a look at the picture here and explore his thesisâ blog for more information and videos where he shows the system at its full power.
(c) 2009 Cheap, Fat, and Open by J. Remin
As for today he hasnât published the videos using the final PCB, yet. However you can get a sneak preview to how it will be to play with it at the prototype he hand-wired using bits and pieces from a Stylophone, an LCD, some buttons, and other parts.
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Headphone & USB
Power Switch Advanced molding technology and contour design in the latest style allows full access to all controls and connectors.
Low Profile removable, rotating Belt Clip can be rotated and locked so that you can wear your iAudio vertically or horizontally when clipped to your belt.
Crystal clear Hard Screen Protector with Rubber Ring Pad provides the best protection and vision effect, it won't slid around or scratch your device.
Applied SA flipper lid concept, integrated subpack port flipper cover can help to keep dust, dirt and liquids out. Removable Belt clip with a soft landing insert disk, which will not scratch your device.S
zCover silicone cases are crafted from non-toxic, durable HealthCare grade silicone rubber. It is safe
Washable - you can wash zCover silicone case by hand. Make sure itâs dried out before putting your iAudio into it. Dry it in room temperature. Please avoid direct fire and direct bright sunshine.
948 Pixel Perfection When Rotating, Pasting And Nudging In Photoshop - Smashing Magazine
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I have started to build a (slightly) updated version of the Korg PS-3200 synthesizer.
The PS-3200 was the last of three fully polyphonic, semi-modular analogue synthesizers offered by Korg in the late 70's. (See Ben Ward's excellent Korg PS site for detailed information, including user manuals.)
The concept of the PS-Synthesizers was different from other manufacturer's early polyphonic instruments. Instead of using a small number of voices and a clever keyboard assigning circuit, the "PolyKorgs" had a complete synthesizer circuit, hard wired to each key. That makes a total of 48 VCFs, 48 VCAs and 48 voltage controlled ADSRs even for the smallest of the range, the PS-3100. The largest of the range, PS-3300, even had 144 of these circuits.
The sheer number of synthesizer circuits called for an extremly economic circuit design, and it's a joy to look at Korg's design ideas which led to building blocks that almost did the same as in the better known "classic" synthesizers. And after many years of engineering and reverse-engineering electronic music circuits, I have learned to look at odd solutions not as "substandard", but as a source of creativity an individual character. Here's a list of some highlights:
Function Implementation Side effects
Single-Transistor Waveform Converter creates triangle, saw, pulse and PWM from saw input, using one (!) transistor, one diode and two resistors per voice, plus two global control voltages Pulse height also changes with pulse width
5-Transistor-VCF (Korg-35) A Voltage controlled 2-pole (Sallen&Key) LPF built from 5 transistors rather high CV feedthru
Single-Diode VC Resonance The dynamic resistance of a simple diode is used to alter the feedback gain of the VCF limited range of Q
"Expand" function instead of VCF Envelope modulation depth Instead of scaling down the ADSR with a VCA, the a variable portion of the Envelope is just clipped with a single diode. It's so remarkably close to ordinary VCA function that apparently nobody takes notice. At least I have not read about it anywhere.
At slow Atack times, the Envelope appears delayed at the VCF (no effect until th eclipping point is reached). Usefull for Brass sounds, and not easy to emulate with conventional synthesizers.
Minimum parts count Voltage Controlled ADSR Three transistors, 1/2 of a LM324 and one CD4007 per voice. Plus some more involved control circuit, shared by several voices Transistors must be selected in 13-tuples, not just in pairs.
ADSR detail (1):
One-opamp control logic 1/4 LM324 is used as Flipflop, which is dynamically set by Gate-ON, dynamically reset by Gate-OFF, statically reset when the attack peak voltage is reached, and whose set/reset sensitivity is altered by a CV Very odd "Hold" function, depending on the "Attack"-value. But very useful in practise.
ADSR detail (2):
Single-Transistor, exponential slope VC-Decay Using a single transistor per voice for VC Attack and Release is remarkable already, even though the A and R slopes are linerar. But the Decay slope is exponential, and this is achieved with a single transistor and two resistors per voice! The Decay time range is rather limited. No ultra fast Decay, and no ultra slow Decay either.
Single-Transistor VCA That's the "Korg standard" VCA, well known from other instruments like the MS-10.
What an amazing instrument! The DSI Evolver has the signature "old school" timbre down pat as well as being able to provide digital timbres reminiscent of the Waldorf Q. There's certainly a "rougher" side available as well with all the feedback implementation and controled distortion. Being able to make PM type plucked and blown sounds is just icing on the cake. Dave Smith should be commended for a job well done. Just have a look at the Panel Layout to get a taste of what this beauty can dish out - the controls are pretty much laid out in the form of a signal path graphic. Be sure to visit Dave Smith's Website!
Evolver Sound Examples
There are a lot of demos of the Evolver on the web showcasing the gutsy harsh sounds of this beast so I decided to post demos of some of my own patches as examples of the "softer" more "vintage" side of the Evolver's timbre. I make no apologies for these unpolished recordings - these are merely sound samples ;)
Resonant Plucked Pad
This pad shows some of the rich resonant nature of the filter.
This is a simple analog brass lead patch.
A fun patch with lots of motion made using my "Audio-rate Filter FM" programming tip below.
A nice bland-vanilla pad ^_^
What can I say? I love pads...
For more MP3 demos showing the full gamut of sounds the Evolver and Polyevolver are capable of, please visit the excellent website of Stefan Trippler!
The Definitive Guide to Evolver
This rather in-depth guide to the Evolver goes places and does things a mere manual can't. This labor-of-love was crafted by Anu Kirk and with his kind permission, I am offering this fantastic resource right here in PDF format!
A much smaller version (400K) is here but it dosen't have internal hyperlinks.
Here's a fun repository of programming tips for the Evolver in all its incarnations. Please email me if you would like to add some.
Fingered Wave Sequence
Submitted by Dave Bryce. This brilliant technique has to be heard to be believed! Plus, its one of those cool things unique to the Evolver! This particular tip is so full of detailed information that it gets its own page!
Audio-rate Filter FM
Submitted by James Maier. Use the "Audio Mod" parameter in the Filter section to frequency-modulate the cutoff with the analog oscillator. Add resonance until the filter is just on the edge of oscillation then mod the cutoff with just a little triangle LFO set at a very slow speed. Amazing moving chorusing pad and lead sounds can be made this way.
Fatter Bass/Pad Sounds
Submitted by Mike Peake. Set the same sound in both channels (detuned saws, for instance). With the filters at the 24dB setting, increasing resonance cuts the passband as on the Moog filters. Set Envelope 3 to minimum attack, maximum decay and release, and sustain to maximum. This "creates" an offset, a continuous "on" signal while the keys are gated. Modulate one filters' resonance up (just one), or of the overall resonance level is high, us it to modulate one filters' resonance to its minimum. You get the resonant character plus the size of the non-resonant filter. Use Tri and Sine waves on that side too.
Submitted by James Maier. The Evolver can make many ultra-bright and buzzy sounds due to its extensive feedback and distortion stages but sometimes people miss the subtler side of the beast. For a warmer sound use little or no distortion, close the filter just a bit and turn off the feedback and delay lines. I've managed to get dead-on Prophet5 timbres this way.
Submitted by Mike Peake. Set the envelopes to linear, and use a Mod to modulate AmpEnv All by itself (lin through log responses with positive and negative self-modulation).
This is of course fun on the filter envelopes as well.
More Vintage Character
Submitted by Mike Peake. Oscillator Slop, set at 5, doesn't come close to the Moog and other old-timer movement, so add slight (1 or 2) LFO to pitch modulations, with individual LFOs per oscillator, and a touch of LFO to LFO rate modulation. A tad of Envelope 3 to pitch helps as well.
Don't miss out on the 12dB filter setting
Submitted by Mike Peake. The 24dB setting has much more resonance, but the 12dB setting can sound nice and plucky, and do nice slightly fuzzy pads etc.
DSI Evolver Waveshape Charts
Below are charts I've assembled of the digital waveforms and their spectra as currently used in the DSI Evolver synthesizers. Originally these waves were unique to the SCI ProphetVS vector synth.
I find these waveform/spectra graphics really usefull when programming sounds - maybe you will as well. Pay special attention to the spectra as this info is sometimes much more useful than waveshape in determining actual timbre - even before you hear what the waveform sounds like.
These are designed to be downloaded (right-click & "save target as"), and printed at 300dpi on 8.5" x 11" pages - don't resize these images before printing or you will lose useful detail. Use them as a handy refrence. This information was cobbled together from various scattered sources (with very special thanks to Achim Gratz!).
Any errors or omissions are my own. ^_^
As far as the origin of these waves is concerned, one of the original VS engineers, Chris Meyer, said:
"The original waves for the VS were created three ways - extracting single-cycles from sampled sounds, using a custom additive synthesis program, and using a program Josh (Josh Jeffe, another VS engineer) slapped together called "Hacker" where you could draw the waveshape. These were fed straight from the computer through the filter and VCA of a Pro-One to figure out what they might sound like in a patch. And by the way, no PPG waveforms appear inside the VS - we had access to them, but in the end our consciences got the better of us. We did steal some waveforms from the Korg DW6000, but only by looking at the harmonic drawings on the front panel and trying to imitate them in our additive synthesis program."
Modulation Matrix "Cheat Sheet"
This chart shows all the modulation routing available on the Evolver. This same info is available in the manual but this can be printed on a single sheet of paper as a handy refrence!
These I created just for fun and desktop "beautification" ;)
1280 X 1024
1024 X 768
800 X 600
823 Avoid Added Stress by Just Deciding and Moving Forward
Because our brains have a way of creating a synthesized happiness when we don't get what we want, it's often hard for us to make a "wrong" decision. As a result, you're better off just deciding and moving forward.
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812 ED102 - Octave-Volts-Hertz
The ED102 borrows heavily from the Korg MS-02â˘ although it was developed independently of Korg Inc.
Korg and MS-02 are the trademarks of Korg Inc.
Among presently available music synthesizers, there are two different types of control system used for controlling devices such as the VCO (voltage controlled oscillator) and VCF (voltage controlled filter). These two systems been: Hertz/Volt (Hz/V) and Octave/Volt (Oct/V).
The graph to the left shows the relationship between the VCO oscillator frequency (pitch) and the control voltage (keyboard output voltage). The straight line on the graph is from a synthesizer in which there is a one octave change for every one volt change in the control voltage (Oct/V). In contrast, the curved line on the graph is the control voltage from a synthesizer in which the VCO frequency is proportional to voltage (Hz/V system).
To allow these systems to work together you will need a module like this ED102. The built-in, fully adjustable log amp and anti-log amp ensure complete system flexibility and compatibility between any presently voltage controlled synthesiser.
The Hz/V system
In the Hz/V system, the VCO oscillator frequency is proportional to the control voltage so that, for example, if the frequency of a VCO increases by 100Hz for every volt applied, then applying 1V, 2V and 3V to this VCO would generate 100Hz, 200Hz and 300Hz respectively.
The Oct/V system
In the Oct/V system the VCO oscillator frequency changes one octave for every one volt change in the control voltage so that, for example, 1V, 2V and 3V to a VCO would generate 200Hz, 400Hz and 800Hz respectively.
Features and Functions
This changes a Hz/V type keyboard CV (control voltage) output into an OCT/V type of CV. Use the Log Amp to change the control signal from, say, a Korg or Yamaha synthesiser into a signal you can use with another type of synthesizer.
This changes an OCT/V type of keyboard CV output into a Hz/V type of CV. Use this Antilog Amp when you want to control, say, a Korg synthesiser by means of a unit that uses the OCT/V system.
788 Setting Up Your Digital Camera For HDR Shooting
Youâve probably heard of High Dynamic Range (HDR) Photography, itâs made quite an entrance into the world of digital photography.
If you havenât, the HDR process is accomplished by taking multiple exposures of a high contrast scene (usually a landscape or cityscape), at different levels of brightness, and then combining the best light from each exposure into one image.
The end result is a stunning image that very closely resembles how the human eye views a scene. This process of digital manipulation has caused a bit of controversy and debate in the world of photography, especially with images that are âover-cooked.â One thing is for sure though, HDR is here to stay. When done right, this unique and in depth processing technique can produce beautiful works of art that mimic the way we view and remember a landscape or scene.
The above image is an example of what HDR processing can produce. This image, taken from the Big Island of Hawaii, would not be possible without HDR processing. It was taken around noon, the harshest light of the day. The first image is the best image my camera could produce given the situation. While still beautiful, there are obvious problems. Get ready, this article is going to show you how to take your digital camera and turn it into an HDR shooting machine!
767 The 5 types of programmers ÂŤ Steven Benner's Blog
In my code journeys and programming adventures Iâve encountered many strange foes, and even stranger allies. Iâve identified at least five different kinds of code warriors, some make for wonderful comrades in arms, while others seem to foil my every plan.
However they all have their place in the pantheon of software development. Without a healthy mix of these different programming styles youâll probably find your projects either take too long to complete, are not stable enough or are too perfect for humans to look upon.
The code may not be pretty, but damnit, it works!
This guy is the foundation of your company. When something goes wrong he will fix it fast and in a way that wonât break again. Of course he doesnât care about how it looks, ease of use, or any of those other trivial concerns, but he will make it happen, without a bunch of talk or time-wasting nonsense. The best way to use this person is to point at a problem and walk away.
You want to do what to my code?
This guy doesnât care about your deadlines or budgets, those are insignificant when compared to the art form that is programming. When you do finally receive the finished product you will have no option but submit to the stunning glory and radiant beauty of perfectly formatted, no, perfectly beautiful code, that is so efficient that anything you would want to do to it would do nothing but defame a masterpiece. He is the only one qualified to work on his code.
Iâm a programmer, damnit. I donât write code.
His world has one simple truth; writing code is bad. If you have to write something then youâre doing it wrong. Someone else has already done the work so just use their code. He will tell you how much faster this development practice is, even though he takes as long or longer than the other programmers. But when you get the project it will only be 20 lines of actual code and will be very easy to read. It may not be very fast, efficient, or forward-compatible, but it will be done with the least effort required.
What do you want? It works doesnât it?
The guy who couldnât care less about quality, thatâs someone elses job. He accomplishes the tasks that heâs asked to do, quickly. You may not like his work, the other programmers hate it, but management and the clients love it. As much pain as he will cause you in the future, he is single-handedly keeping your deadlines so you canât scoff at it (no matter how much you want to).
Well, thatâs a possibility, but in practice this might be a better alternative.
This guy is more interested the options than what should be done. He will spend 80% of his time staring blankly at his computer thinking up ways to accomplish a task, 15% of his time complaining about unreasonable deadlines, 4% of his time refining the options, and 1% of his time writing code. When you receive the final work it will always be accompanied by the phrase âif I had more time I could have done this the right wayâ.
Personally, Iâd have to classify myself as the perfectionist. So, which type of programmer are you? Or perhaps you know another programming archetype that is missing from my list? Post a comment below and Iâll add it to a new updated list.
756 Matmos - Supreme Balloon
The arcs of rising and falling pitches that start this song reminded us of a rainbow, and the title stuck: any resemblance to fluttering symbols of homo-nationalist pride are side effects. People have asked us about the Latin kitsch aspect of the song, and we plead guilty to a great love of the Richard Hayman "The Genuine Electric Latin Love Machine" Moog novelty LP from 1969. Having lived in the Mission District of San Francisco for seven years up until our recent move to Baltimore, we have had enough casual exposure to actual Mexican and Salvadorean music to know that this bears only the faintest relation to the real thing. Keith Fullerton Whitman contributed some tasty squelches and zaps from his Doepfer modular synth to brighten the corners, but not everything on here is that high-tech. Consider the lowly stylophone, a handheld novelty instrument popular with British schoolkids that was immortalized during the rave era in the cheesy techno banger "Stylophonia" by the fabulously named UK crew Two Little Boys. The stylophone that is played on this record was sent to us in the mail by a well-wisher and we thank him for this unexpected present. We are even more grateful to Safety Scissors, who forgave us when M. C. Schmidt broke his MS-20 filter knob by tweaking it too vigorously while recording the "horn" part of this song. It's all been patched up now.
727 How To Create an Antique Mirror Effect | Apartment Therapy DC
How To Create an Antique Mirror Effect
Mclain Wiesand, a Baltimore-based custom furniture company, has made a name for itself by producing handcrafted pieces that capture the feel of real antiques. One of the techniques they use for aging mirror is wonderfully simple and serves as the inspiration for this how to.
Creating an antique mirror effect is an inexpensive way to revamp a flea market find, or add a new layer of interest and depth to an ordinary wall mirror. Almost any type of mirror can be aged using this technique, including mirrored plexiglass.
â˘ Mirrored glass or plexiglass. Due to the type of paint applied to the reflective coating, inexpensive, craft-store mirror works wonderfully.
â˘ Latex or other gloves for hand protection.
â˘ Paint stripper. Most types work fine. For a less toxic product, Citristrip works well.
â˘ Plastic putty spreader or putty knife.
â˘ Modern Masters Metal Effects Black Patina. This patina solution is essentially an acid that eats at the reflective surface of the mirror. There are probably other products that work similarly, but Modern Masters products work well and can be found online or in most art supply stores or specialty paint stores.
â˘ 1â chip brush (or similar brush).
â˘ Silver paint of choice.
Step 1: (Image 2, above)
Wearing gloves, place mirror face down on cardboard or other protected surface in a well-ventilated area. Apply stripper generously to back of mirror and allow to sit for a few hours, or until paint can be easily removed with plastic scraper. It is not necessary for all of the paint to be removed; generally speaking, 80-90% should suffice. When paint has been stripped, wash mirror with soap and water and allow to dry.
Step 2: (Images 3 & 4)
Place stripped mirror face down on clean cardboard or other protected surface. Dip chip brush in Modern Masters Metal Patina Solution and gradually apply it to the raw reflective surface of the mirror. As mirror tends to age from the edges inward, it is best to apply patina solution in heavier amounts around the edges of the mirror. In a matter of minutes (or less), the patina solution will begin to eat away at the reflective surface. Other application techniques that produce nice effects are spattering and light directional brushing of patina solution. Continue applying solution until desired level of ageing is achieved. Rinse with water to neutralize the reaction and allow to dry.
Step 3: (photos 5 & 6)
This next step involves reapplying paint to the back of the mirror. The color paint you choose will be visible through the spots created by the patina solution. The dark areas of aged antique mirrors tend to be a dark silver-grey but depending on the silvering technique used, can range from gold to pale silver to black. One method that produced nice results is a combination of dark and light silver paints, applied randomly (per images). Apply paint until the reflective surface is completely covered.
722 Making AJAX Applications Crawlable - Google Code
If you're running an AJAX application with content that you'd like to appear in search results, we have a new process that, when implemented, can help Google (and potentially other search engines) crawl and index your content. Historically, AJAX applications have been difficult for search engines to process because AJAX content is produced dynamically by the browser and thus not visible to crawlers. While there are existing methods for dealing with this problem, they involve regular manual maintenance to keep the content up-to-date.
Learn why search engines don't see the content you see and what needs to happen to fix this.
Getting started guide
Get started in making your AJAX application visible to search engines. If you are in a hurry, you can start here, but AJAX crawling is a complex topic, so we recommend reading all the documentation.
Creating HTML snapshots
Learn more about creating HTML snapshots, and which technique might be best suited for your application.
Frequently asked questions
Having trouble? Check out the frequently asked questions.
Get the details.
720 Common Security Mistakes in Web Applications - Smashing Magazine
Web application developers today need to be skilled in a multitude of disciplines. Itâs necessary to build an application that is user friendly, highly performant, accessible and secure, all while executing partially in an untrusted environment that you, the developer, have no control over. I speak, of course, about the User Agent. Most commonly seen in the form of a web browser, but in reality, one never really knows whatâs on the other end of the HTTP connection.
There are many things to worry about when it comes to security on the Web. Is your site protected against denial of service attacks? Is your user data safe? Can your users be tricked into doing things they would not normally do? Is it possible for an attacker to pollute your database with fake data? Is it possible for an attacker to gain unauthorized access to restricted parts of your site? Unfortunately, unless weâre careful with the code we write, the answer to these questions can often be one weâd rather not hear.
Weâll skip over denial of service attacks in this article, but take a close look at the other issues. To be more conformant with standard terminology, weâll talk about Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), Phishing, Shell injection and SQL injection. Weâll also assume PHP as the language of development, but the problems apply regardless of language, and solutions will be similar in other languages.
719 Facebook owns us â Copy me happy
Facebook has become the event planning system. Itâs the place where you have all your friends (and other people) somewhat sorted and organized. All in all, itâs the organized system in the chaos that is otherwise known as the internets.
This is leading Facebook towards a virtual monopoly. There are lots of issues with monopolies, but one of the more interesting ones when it comes to Facebook is the impact is has on our social lives, online as well as offline.
701 How To Convince The Client That Your Design Is Perfect - Smashing Magazine
As designers who deal with clients, we all have to face one situation, no matter how difficult and uncomfortable, and that is guiding the client to accept that your design is perfect. Now, you already have the project, so this is not a matter of convincing them to pick you for the job. This is about getting them to see that your design satisfies their requirements and contains everything they want. We all have to take on this role of virtual tour guide and lead them through the projectâs twists and turns, ensuring that the best interests of the client and website are served.
We have to be the lighthouse, guiding the clients to shore. (Image credit)
In the end, the final decision falls to the client, but there are times â and most of us have experienced them â when the clientâs lack of expertise in the field affect the quality of the design. In such times, we have a responsibility to do everything in our power to convince the client that the design is perfect as it is, and that any further alteration would impair the websiteâs ability to communicate everything it needs to. This confrontation is not welcome by either party, but it is certainly necessary.
Many designers want to avoid conflict and, as a result, cave to their clients at the slightest sign of disagreement, rather than spend time trying to convince them that they stand on the right side of the design decision. This is often a mistake and does not serve the design, which should be the paramount consideration. We owe it to our creative work to argue for whatever serves the design beyond all else, even though the client is footing the bill. We may end up having to give in to the client, but at least we tried.
Below is an overview of some tips and techniques you can employ when you find yourself butting heads with a client. These approaches might work individually or in combination, but they all at least offer a launching point to help you put your best foot forward and lead the client exactly where they need to go.
688 Wonders World: Top 5 Most Dangerous Cities for live of the World
The crime statistics of world's five most dangerous cities are disheartening and shocking. With such high rates of homicide, robberies and violence these cities deservedly bear the names of 'the places of chaos and death' or 'the murder capitals of the world'. Despite the scary data, some of them still remain wanted tourist destinations, though extreme caution is strongly advised when visiting.
673 40+ Vintage and Retro Photoshop Actions | Freebies
Photoshop actions can be a huge time saver when trying to add a specific effect to a photo. Since WDL is all about helping you save time and be more productive,
660 What's Next: fully ergonomic laptops? | VentureBeat
When the first laptops were created around 1979 â laptops like the Grid Compass â ergonomics was not exactly a core concern. The screens were only 2-4 inches, RAM was a few hundred kilobytes, and batteries were huge. The Osbourne 1 weighed 24 pounds, perhaps making it the first portable computer and dumbbell. Hooray for convergence!
Modern clamshell and tablet designs have solved many of these issues: screen sizes exceed 17â, RAM can be several gigabytes, and weight can be less than three pounds, deservedly earning names like the Air. What hasnât been solved is ergonomics, and thatâs a costly problem.
The U.S. Department of Labor reported 650,000 cases of work-related muscular disorders, costing businesses an estimated $20 billion in medical claims and lost productivity. An ergonomically ideal computer setup aligns the top of the screen with our eye level, lets our arms and wrists straighten, and allows our shoulders to relax.
Because laptop screens are attached to their keyboards, they require a damaging trade-off: place the laptop at eye level and hunch our shoulders, or place the keyboard at arm level and bend our neck. Most laptop keyboards are also rectangles, requiring wrist twisting. The result is chronic neck, shoulder, and wrist pain, and with laptop use increasing, this problem will only get worse.
651 50 Fresh and Inspiring Dark Web Designs | Inspiration
Back in February we showcased a list of 50 Inspiring Dark Web Designs to show that dark colors are also a really good option when comes to web design. The list was so inspiring and commented that we decided to do a new one with another 50 inspiring dark web designs.
636 The Beginnerâs Guide to Zen Habits â A Guided Tour | zen habits
âSmile, breathe and go slowly.â ~Thich Nhat Hanh
Post written by Leo Babauta. Follow me on Twitter.
Note: This is an update to the old guide â so it should be interesting to readers new and old.
While some of you have been following Zen Habits since its early days (beginning of 2007), many of you are fairly new readers.
To help you through the fairly overwhelming archives, Iâve compiled a beginnerâs guide. Kind of a Quick Start guide.
First, a note: Please donât try to go through this all at once. There are days and days worth of reading here. Iâve just organized that so that you can go to the stuff you want to learn about first.
Take it in small chunks.
Where do you start when you have a thousand posts to read through? You start with the best, or at least the most popular.
So here they are:
Most Popular Posts
a brief guide to life.
the best goal is no goal
the lost art of solitude
the elements of living lightly
the zen of doing
The Ultimate How to Get Lean Guide.
simplify, and savor life
How Not to Hurry
Email Sanity: How to Clear Your Inbox When Youâre Drowning
the barefoot philosophy
The No. 1 Habit of Highly Creative People
How Not to Hurry
The Simple, Ridiculously Useful Guide to Earning a Living from Your Passion
10 Benefits of Rising Early, and How to Do It
20 Things I Wish I Had Known When Starting Out in Life
Simple Living Manifesto: 72 Ideas to Simplify Your Life
A Guide to Creating a Minimalist Home
Get Off Your Butt: 16 Ways to Get Motivated When Youâre in a Slump
616 Alphabet Soup modular synth
The STS Serge Modular can be a daunting system at first blush, especially for those who come from an "East Coast" modular synth background. My first synthesizers were Moog analogs and my first Analog Modular Synth was an Arrick "Dotcom" system - so I started out with East Coast paradigms that I had to "unlearn" in order to use my Serge Modular to the fullest. For those of you coming from a similar background or those just discovering the Serge Modular for the first time, these "Alphabet Soup" pages are dedicated to you!
The Serge Modular is intuitive and fun to use - especially when you realize the main difference between a Serge Modular and most others has to do with the size of the building blocks, where a Moog or similar modular will have monolithic building blocks like ADSRs and Oscillators, the Serge can be more "low-level" in that you can build ADSRs and oscillators from Serge modules or, more properly, Function Blocks.
These Function Blocks usually come bearing arcane names that have been shortened to an "Alphabet Soup" conglomeration of acronyms. In this series of articles, I'll be talking about some of the ways to approach these Function Blocks to create much more useful, surprising, complex or just simply fun synthesis features.
The first function block we're going to look at is the "DSG", otherwise known as the Dual Universal Slope Generator. This mild-mannered module is in some ways the most powerful one in the entire Serge catalog because it can become so many different things depending on where you place the patch cords...as you'll soon see.
551 The Top Idea in Your Mind
I realized recently that what one thinks about in the shower in the morning is more important than I'd thought. I knew it was a good time to have ideas. Now I'd go further: now I'd say it's hard to do a really good job on anything you don't think about in the shower.
Everyone who's worked on difficult problems is probably familiar with the phenomenon of working hard to figure something out, failing, and then suddenly seeing the answer a bit later while doing something else. There's a kind of thinking you do without trying to. I'm increasingly convinced this type of thinking is not merely helpful in solving hard problems, but necessary. The tricky part is, you can only control it indirectly. 
I think most people have one top idea in their mind at any given time. That's the idea their thoughts will drift toward when they're allowed to drift freely. And this idea will thus tend to get all the benefit of that type of thinking, while others are starved of it. Which means it's a disaster to let the wrong idea become the top one in your mind.
What made this clear to me was having an idea I didn't want as the top one in my mind for two long stretches.
Sound synthesis and sound design
Music has brought pleasure and entertainment to mankind throughout the whole of history. Each person is by nature equipped with one of the most elaborate and emotional musical instruments; the human voice. Whenever people feel good music seems to fit the occasion, and it is considered quite natural to hum or sing a song. Musical instruments have brought their own moods to music and at the current moment in human evolution there is an enormous variety of musical instruments available. The twentieth century has seen the development of a range of new and exciting electronic musical instruments. These electronic instruments are very flexible, they can produce a wide range of timbres and can be amplified to whatever loudness level sounds best for the occasion. Most of these electronic instruments are played by a keyboard, but in essence the keyboard can be replaced by any electromechanical device that is able to transform a movement caused by a human interaction into an electrical signal that can drive the sound generating core of the electronic instrument.
All sorts of technical and scientific developments have helped to create electronic instruments and the human interface to play them. Still, music is an art and not really a hard science, although music and sound have for a long time been subject to various scientific research. An important realization is that science can not really explain why much music is such a pleasure to listen to and such a joy to make. Which is not a bad thing, as probably no one is waiting for science to take the fun out of music by applying formalized rules and templates on what is also subject to âfeelâ. So, although this book covers techniques that lean heavily on scientific research, the application of these techniques will in general be aimed at creating fun. There are a lot of professionals working with sound and even more people that make music for their personal enjoyment. Mastery of sound synthesis is valuable to all of them. Still, it wonât be easy to please everyone with one single book, as some people will be more interested in how things work and others might want practical examples that just work. The aim of this book is that it can at least be used as a practical guide in workshops and courses in electronic music, covering some essential basics that are needed to operate the equipment used in sound synthesis in a way that makes some sense. Additionally it can be used to explore techniques to find out how they can help in the development of oneâs own musical style.
Sound synthesis is the art of creating sounds by using suitable electronic means, using either analog or digital electronic devices. Sound design is the art of creating particular sounds using sound synthesis techniques. The definition of sound design as used here might be confusing to some, as the name sound design is also used in the discipline in industrial design that occupies itself with how mass produced objects should sound. Examples are how the sound of cars or ladyshaves are âdesignedâ to sound pleasing while in use. Which of course has nothing to do at all with music or sound synthesizers. This book puts the emphasis on the various synthesis techniques for musical purposes and how to setup sound synthesizers to create a large range of characteristic musical sounds. The art of musical sound design is left to the artist.
523 Yamaha CS-01 Resonance Mod
Just to get this up here. I hope to make this clearer soon...
This shows how you can modify the Yamaha CS-01 Mk1 to:
1) have variable resonance control, by hijacking the Breath Control VCF potentiometer
a) remove the 10k resistor near the VCF chip.
b) cut the traces (or lift the pins) of the Breath Control VCF pot that connect it to GND and the Breath Control jack. I lifted the pins just to avoid cutting PCB traces
c) remove the 39k resistor tied to the wiper of the VCF pot.
d) solder wires from one side of the pot and the pot wiper and run these wires over to the holes that used to contain the 10k resistor near the VCF chip
e) I'd suggest adjusting the resonance trimmer that's near the VCF chip to make your new Resonance control self-oscillate near the end of the rotation. why? because this filter gets out of control in a very loud and dramatic way. I don't think this VCF chip was designed for stable self-oscillation - that may explain why, in the CS-01 Mk2, when they gave you analog control of the resonance, they used a different 24dB VCF chip.
2) have variable VCA "drone" by hijacking the Breath Control VCA potentiometer.
a) remove the 1k resistor that grounds usually-closed terminal of the breath control jack to GND
b) solder a 47k resistor from the ungrounded, non-wiper terminal of the pot to -9V.
c) when the VCA drone pot is now fully on, you'll always get a DCO-VCF signal running to the power amp. this mod keeps the VCA only partially open, and you can still superimpose the EG over the drone. I did this because I don't have a spec sheet on the VCA chip and I didn't want to risk having the EG slamming the VCA while the drone was going full on (basically, I don't know the max CV that the VCA chip can tolerate). so if you just use the drone, you'll have to increase the volume at the power amp. But now the front-panel VCA slider actually becomes useful, since if you don't want the EG to affect the drone, just turn that down to nothing!
Sorry I don't have actual pics of the mod up! Perhaps someday soon...
484 Why did so many successful entrepreneurs and startups come out of PayPal? Answered by Insiders
Why did so many successful entrepreneurs and startups come out of PayPal? I long have been fascinated by the extraordinary achievement from the ex-Paypal team and wonder about the reasons behind their success. In the past, mass media tried to answer this question several times but still couldnât give us a clear answer.
I once asked David Sacks the same question during an event in Los Angeles. He told me the secret is that Paypal has built a âscrappyâ culture. No matter what problems they faced, they would find a way to solve them. I kind of got the idea, but was still confused about the execution details.
So when I saw some of the past Paypal employees answering this question on Quora, I was super excited! After all, they should be the only ones who can tell people the inside stories.
Below are some highlights of their answers. *If you want to check out the sources or leave your comments, please go to here and here.
On Talent Management
âPeter and Max assembled an unusual critical mass of entrepreneurial talent, primarily due to their ability to recognize young people with extraordinary ability (the median age of *execs* on the S1 filing was 30). But the poor economy allowed us to close an abnormal number of offers, as virtually nobody other than eBay and (in part) google was hiring in 2000-02.â (by Keith Rabois, former Executive Vice President of Paypal)
âExtreme Focus (driven by Peter): Peter required that everyone be tasked with exactly one priority. He would refuse to discuss virtually anything else with you except what was currently assigned as your #1 initiative. Even our annual review forms in 2001 required each employee to identify their single most valuable contribution to the company.â (by Keith Rabois, former Executive Vice President of Paypal)
âDedication to individual accomplishment: Teams were almost considered socialist institutions. Most great innovations at PayPal were driven by one person who then conscripted others to support, adopt, implement the new idea. If you identified the 8-12 most critical innovations at PayPal (or perhaps even the most important 25), almost every one had a single person inspire it (and often it drive it to implementation). As a result, David enforced an anti-meeting culture where any meeting that included more than 3-4 people was deemed suspect and subject to immediate adjournment if he gauged it inefficient. Our annual review forms in 2002 included a direction to rate the employee on âavoids imposing on othersâ time, e.g. scheduling unnecessary meetings.â (by Keith Rabois, former Executive Vice President of Paypal)
âRefusal to accept constraints, external or internal:We were expected to pursue our #1 priority with extreme dispatch (NOW) and vigor. To borrow an apt phrase, employees were expected to âcome to work every day willing to be fired, to circumvent any order aimed at stopping your dream.â Jeremy Stoppelman has relayed elsewhere the story about an email he sent around criticizing management that he expected to get him fired and instead got him promoted. Peter did not accept no for answer: If you couldnât solve the problem, someone else would be soon assigned to do it.â (by Keith Rabois, former Executive Vice President of Paypal)
âDriven problem solvers: PayPal had a strong bias toward hiring (and promoting / encouraging, as Keith mentions) smart, driven problem solvers, rather than subject matter experts. Very few of the top performers at the company had any prior experience with payments, and many of the best employees had little or no prior background building Internet products. I worked on the fraud analytics team at PayPal, and most of our best people had never before done anything related to fraud detection. If heâd approached things âtraditionallyâ, Max would have gone out and hired people who had been building logistic regression models for banks for 20 years but never innovated, and fraud losses would likely have swallowed the company.â (by Mike Greenfield, former Sr. Fraud R&D Scientist of Paypal)
âSelf-sufficiency â individuals and small teams were given fairly complex objectives and expected to figure out how to achieve them on their own. If you needed to integrate with an outside vendor, you picked up the phone yourself and called; you didnât wait for a BD person to become available. You did (the first version of) mockups and wireframes yourself; you didnât wait for a designer to become available. You wrote (the first draft of) site copy yourself; you didnât wait for a content writer.â (by Yee Lee, former Product & BU GM of Paypal)
On Culture & Ideology
âExtreme bias towards action â early PayPal was simply a really *productive* workplace. This was partly driven by the culture of self-sufficiency. PayPal is and was, after all, a web service; and the company managed to ship prodigious amounts of relatively high-quality web software for a lot of years in a row early on. Yes, we had the usual politics between functional groups, but either individual heroes or small, high-trust teams more often than not found ways to deliver projects on-time.â (by Yee Lee, former Product & BU GM of Paypal)
âWillingness to try â even in a data-driven culture, youâll always run in to folks who either donât believe you have collected the right supporting data for a given decision or who just arenât comfortable when data contradicts their gut feeling. In many companies, those individuals would be the death of decision-making. At PayPal, I felt like you could almost always get someone to give it a *try* and then let performance data tell us whether to maintain the decision or rollback.â (by Yee Lee, former Product & BU GM of Paypal)
âData-driven decision making â PayPal was filled with smart, opinionated people who were often at logger-heads. The way to win arguments was to bring data to bear. So you never started a sentence like this âI feel like itâs a problem that our users canât do Xâ, instead youâd do your homework first and then come to the table with â35% of our [insert some key metric here] are caused by the lack of X functionalityâŚâ (by Yee Lee, former Product & BU GM of Paypal)
âRadical transparency on metrics: All employees were expected to be facile with the metrics driving the business. Otherwise, how could one expect each employee to make rational calculations and decisions on their own every day? To enforce this norm, almost every all-hands meeting consisted of distributing a printed Excel spreadsheet to the assembled masses and Peter conducting a line by line review of our performance (this is only a modest exaggeration).â (by Keith Rabois, former Executive Vice President of Paypal)
âVigorous debate, often via email: Almost every important issue had champions and critics. These were normally resolved not by official edict but by a vigorous debate that could be very intense. Being able to articulate and defend a strategy or product in a succinct, compelling manner with empirical analysis and withstand a withering critique was a key attribute of almost every key contributor. I still recall the trepidation I confronted when I was informed that I needed to defend the feasibility of my favorite âbabyâ to Max for the first time.â (by Keith Rabois, former Executive Vice President of Paypal)
âExtreme Pressure â PayPal was a very difficult business with many major issues to solve. We were able to see our colleagues work under extreme pressure and hence we learned who we could rely on and trust.â (by Keith Rabois, former Executive Vice President of Paypal)
476 Top 15+ Best Practices for Writing Super Readable Code | Nettuts+
Code readability is a universal subject in the world of computer programming. Itâs one of the first things we learn as developers. Readable and maintainable code is something to be proud of in a finished product. We can share it with others, contribute to other projects, and reuse code from applications we wrote months or even years ago.
This article will detail the fifteen most important best practices when writing readable code.
474 Why Intelligent People Fail
Why Intelligent People Fail
Content from Sternberg, R. (1994). In search of the human mind. New York: Harcourt Brace.
1. Lack of motivation. A talent is irrelevant if a person is not motivated to use it. Motivation may be external (for example, social approval) or internal (satisfaction from a job well-done, for instance). External sources tend to be transient, while internal sources tend to produce more consistent performance.
2. Lack of impulse control. Habitual impulsiveness gets in the way of optimal performance. Some people do not bring their full intellectual resources to bear on a problem but go with the first solution that pops into their heads.
3. Lack of perserverance and perseveration. Some people give up too easily, while others are unable to stop even when the quest will clearly be fruitless.
4. Using the wrong abilities. People may not be using the right abilities for the tasks in which they are engaged.
5. Inability to translate thought into action. Some people seem buried in thought. They have good ideas but rarely seem able to do anything about them.
6. Lack of product orientation. Some people seem more concerned about the process than the result of activity.
7. Inability to complete tasks. For some people nothing ever draws to a close. Perhaps itâs fear of what they would do next or fear of becoming hopelessly enmeshed in detail.
8. Failure to initiate. Still others are unwilling or unable to initiate a project. It may be indecision or fear of commitment.
9. Fear of failure. People may not reach peak performance because they avoid the really important challenges in life.
10. Procrastination. Some people are unable to act without pressure. They may also look for little things to do in order to put off the big ones.
11. Misattribution of blame. Some people always blame themselves for even the slightest mishap. Some always blame others.
12. Excessive self-pity. Some people spend more time feeling sorry for themselves than expending the effort necessary to overcome the problem.
13. Excessive dependency. Some people expect others to do for them what they ought to be doing themselves.
14. Wallowing in personal difficulties. Some people let their personal difficulties interfere grossly with their work. During the course of life, one can expect some real joys and some real sorrows. Maintaining a proper perspective is often difficult.
15. Distractibility and lack of concentration. Even some very intelligent people have very short attention spans.
16. Spreading oneself too think or too thick. Undertaking too many activities may result in none being completed on time. Undertaking too few can also result in missed opportunities and reduced levels of accomplishment.
17. Inability to delay gratification. Some people reward themselves and are rewarded by others for finishing small tasks, while avoiding bigger tasks that would earn them larger rewards.
18. Inability to see the forest for the trees. Some people become obsessed with details and are either unwilling or unable to see or deal with the larger picture in the projects they undertake.
19. Lack of balance between critical, analytical thinking and creative, synthetic thinking. It is important for people to learn what kind of thinking is expected of them in each situation.
20. Too little or too much self-confidence. Lack of self-confidence can gnaw away at a personâs ability to get things done and become a self-fulfilling prophecy. Conversely, individuals with too much self-confidence may not know when to admit they are wrong or in need of self-improvement.
442 How We Got To 40,310 Facebook Fans In 4 Days
When we took over the Facebook Fan page for Weekly World News , they had 3,244 fans. 4 days later, we had 40,31 ...
428 Alain Neffe and the Home-Taped Electronic Music Revolution
Alain Neffe launched his first tape label at home in Belgium in 1981. He called it Insane Music Contact and his first installment was called Insane Music for Insane People. Thus began a nearly thirty year foray into home-made, visionary and utterly unfashionable electronic music that has hardly made anyone involved a household name.
Insane Music released 55 titles in its most prolific years (1981-87). Five of these were vinyl records and the rest were cassettes tapes. Why cassettes tapes? Magnetic tape was the obvious solution to the problem facing many artists working without record contracts in those days. Cassettes could be recorded at home, produced at home, dubbed at home, and sold or traded by mail. No need for tasteless outside producers and marketing mojoâone needed only leave home to buy more tapes. Says Neffe, âI could copy the tapes on demand. Releasing an LP required that you print 500 copies and 1000 copies of the cover sleeve, and everything had to be paid up front âŚ if the buyer didnât like the music, he or she could wipe it out and record something else on it.â
Mr. Neffe was not the only one out there recording, selling and trading tapes by mail. On both sides of the Atlantic, home cassette technology was permitting the release of much groundbreaking and breathlessly beautiful work, as well as some noxious and otherwise self-indulgent wankingâthat coat of many colors we call the DIY (do-it-yourself) Revolution. As early as 1974, Albrecht/d. self-released a cassette entitled Amsterdam Op De Dam in Germany. In 1976, Throbbing Gristle was distributing tapes of their infamous live recordings, and in 1977, the French electro-industrial unit Die Form began releasing tapes on their own Bain Total label. 1980 saw the release of two monumental self-released cassettes, The Storm Bugsâ A Safe Substitute and Colin Potterâs The Ghost Office. In Japan, 1980 saw the release of Merzbowâs first two cassettes, Remblandt Assemblage and Fuckexercise. And in the USA, 1981 saw John Benderâs Plaster: The Prototypes, a laconic and mysterious series of tone and vocal poems. Home taping was not limited to electronic music. R. Stevie Moore, one of the elder living ancestors of the lo-fi rock aesthetic, began releasing distributing home-made tapes via the R. Stevie Moore Cassette Club sometime in the 1970s. And tapes of live punk shows from the era continue to trade hands.
Soon, cassettes were coming from everywhere: mysterious PO boxes in the Midwest, to which you sent a blank tape and three dollars and received the tape back with something on it. The Tellus Audio Cassette Magazine was a Fluxus-inspired subscription audio-journal dedicated to music as well as poetry and drama and other forms of audio-art. Zines like Factsheet Five and Unsound devoted entire columns to the material they received from bands on home-made cassette, and demo tapes began leaking to radio stations prior to official record release dates. It was a grassroots movement that marched in association with the self-publication of zines, comics, chapbooks, and other media. The medium had begun to become the message.
Insane Music for Insane People (which eventually reached 25 volumes) was a series compiling all home-made electronic music made by artists from across the globe. By including in the liner notes the contact address for each artist featured, Neffe helped pioneer a snail-mail network for those interested in more of what they heard. Artists from all over Europe and the USA, from Japan, New Zealand, and beyond contributed over the years. One could send a few dollars to Insane Music Contact, receive tapes in the mail, write to artists involved and receive more cassettes.
Insane Music Contact (now known as Insane Music) has always been a vehicle for Mr. Neffeâs own electronic music projects as well, many of which are periodically active to this day. Though he now makes liberal use of the CD format, Neffeâs artistic approach remains undiluted by years of underexposure. He expects very little acknowledgment of or remuneration for his efforts, which, for him, are emotional articulation, continued experimentation, and purity. It seems nothing but nothing could possibly catapult such heavily uncommercial sounds into the public consciousnessânot even this thirty-year retrospective box-set entitled The Insane Box released (ironically, on vinyl) by the venerable Frank Maier of Vinyl-on-Demand Records, an outfit devoted to preserving the precious gems of cassette culture before the evidence disintegrates.
For this retrospective (4 LPs + a 7â 45), Mr. Neffe has reached into dusty attic boxes, wherein lay unreleased (or hardly available) material by five projects of which he has been a part: BeNe GeSSeRiT, Human Flesh, Pseudo Code, I Scream and Subject. Each has a unique cerebral orientation and emotional vibe made possible by the combined efforts of invited guests; each runs the high fever of a man very much committed to a personal vision of artistic purity without virtuosity, and each is distinctly French.
BeNe GeSSeRiT was not the first of Mr. Neffeâs projects to be recorded and distributed, but is, to my understanding, the genesis of his approach to music as âtextsâ or âphotographsâ, or as he puts it, âpotlatch musicâ. On these early tracks we also detect a burgeoning interest in the endless expressive properties of the human voice, both explicitly human and as heavily-treated sound sculpture, both French and English At times, voices shout like besotted Celine parlor workers at each other from tenement windows; at other times a high-pitched female voice wails up and down like Catherine Ribeiro alone in her bathroom. In these tracks, one can also detect the half-digested influence of electro-rock luminaries Silver Apples, the avant-lashings a la Yoko Ono, and occasionally the thunder-beat of early Laibach. Primitive Casio electronics, stage whispers, delay echoes, tape loops, and a certain absurdist humor redolent of Erik Satie, neither dampen the fabric with melodrama, nor detract from the integrity of the grist, nor from the topical seriousness of the textâs subjects. BeNe GeSSeRiT is difficult music, even in the moments that risk elegy, yet it is still more accessible than some of the other Francophone avant-dada outfits of the day, such as DDAA and Ătant DonnĂŠs, or Nurse with Wound in the UK.
Human Flesh is decidedly more structurally cohesive and song-oriented than BeNe GeSSeRiT, and its predecessors and influences are less clear. Still there is a clear interest in the human voice, its textures and timbers when removed of sign value by backwards-masking, and the new textures that emerge when disassembled and reassembled. Even rock-oriented at times, Human Flesh chases a more delirious climax, for the hounds of the carnival are snapping at their heels as they run. This is also a project of varied angles and pursuits, sliding as it does into poetic electro-pop (the supple and Chicago-accented voice of the late Lydia Tomkiw, of Algebra Suicide, appears on two tracks), and moments of Half Japanese-style primitivism. The side-long track âLangsamâ is more reminiscent of Piper-era Pink Floyd and Brainticket, as well as other Krautrock, yet is still distinctly French. These early and rare tracks are, in contrast to the more ambitious Pseudo Code and the more intimate recordings by I Scream, more oblique for being a mix-down of materials sent to Neffe from artists around the globe. The track âSons of God?â is also notable for what is perhaps the first recorded sample of the American fire-and-brimstone preacher Ferrell Griswold, whose voice has appeared in music by Front 242, Phallus Dei, Pragha Khan, et cetera.
The cassette medium, for all its benefits to individual artistic expression and culture, is for the selfsame reasons impermanent. Magnetic tape has a thirty year lifespan if properly archived, which means both that preserving their contents in other formats is important, and that paying hundreds of dollars for the original artifacts is a questionable collectorsâ pursuit (nevertheless, you can watch it happen daily). With the advent of the mp3 and the efforts of Vinyl-on-Demand and other labels, Insane Musicâs CD-r reissue program included, some of this exquisite material has been rescued from oblivion.
370 Welcome, WebM <video>
In February 2007, 1177 days ago to be exact, Opera proposed the <video> element and we published a manifesto for video on the Web. When proposing <video>, we knew there would be two challenges. The first was easy: to get consensus around the syntax. We wanted <video> to be as easy to use as <img>. The second was harder: to find an open and freely-usable high quality video format.
The big news today is that WebM will join the list of open and freely usable Web formats, and video will finally become a first-class citizen of the Web. This is a big deal, and the day will be remembered in the history of the Web. At Opera, weâre proud to add support for WebM into a Labs build â you can download this build for:
366 How to Track Down Anyone Online
When you're trying to find someone online, Google's not the only game in town. In the last two years, a handful of new people search engines have come onto the scene that offer better ways to pinpoint people info by name, handle, location, or place of employment. While there's still no killer, one-stop people search, there are more ways than ever to track down a long-lost friend, stalk an ex, or screen a potential date or employee. The next time you wonder, "What ever happened to so-and-so?" you've got a few power people search tools to turn to.
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363 45 Photoshop Actions To Enhance Your Photos And Stand Out | Graphic and Web Design Blog
In this article youĂ˘ÂÂre going to find 45 sets of actions that help you enhance the colors and the main look of the photo.
Actions come really handy when you have a need to enhance your photos, but you just donât have a time for it or necessary skills. Photoshop actions contain various adjustment layers, filters, effects, who are originally recorded by author and you can play them back again. You can create actions yourself or you can just download professional ones here and get amazing results with just once click!
Explore how the action is built, choose which adjustments you want to apply and finally just enjoy great results. In this article youâre going to find 45 sets of actions that help you enhance the colors and change the main look of Your photo.
356 The Land List -- SX-70 Cameras
Folding SX-70 Cameras:
ALL Folding SX-70 Cameras have the following features in common:
4-element 116mm f/8 glass lens
Minimum focus: 10.4 inches
Front-cell focusing via geared wheel at top of lens/shutter housing
Programmed automatic exposure-- shutter speeds from >10 sec to 1/175; aperture range f/8- f/22; smaller apertures possible when flash is used.
Auto flash exposure based on focus distance; Max flash distance 20ft.
Has built-in Flashbar socket for flash. Accessory electronic flashes were also available.
Socket for an electrically-actuated remote shutter release.
336 Change of Address: 20 Ways to Get to Know Your Neighbors
Being the new family on the block can be hard, especially if youâre even remotely shy. It can be hard to make friends, made even harder by the fact that almost everyone in the community already has their own group of friends. Still, there are lots of ways you can connect with them and itâs worth the effort required as there are several advantages to getting to know your neighbors. Whether itâs having someone to watch your home while you are on vacation or a helping hand when you desperately need one. Here are some tips to help you break the ice with your new neighbors
324 61 High Quality And Free xHTML Templates Part 2: Year 2010 | Graphic and Web Design Blog
This is part 2 of really fresh and high quality XHTML templates free for you to download, study and get inspired - all in the same time!
We discussed importance and usefulness about such free templates few days ago, but today we will present updated Part 2 with even more free xhtml templates! How cool is that â check out this article and get more 61 new and free template right now!
Study code, design, style â how templates work in different browsers, what makes them look good â great case study! Evaluate it and bookmark for later use, when youâll need to complete quick project or check some nifty effect with some cool code.
Control knobs with metal inserts
When it comes to the choice of control knobs for a synthesizer or modular project, one can pick very different styles, from cheap plastic knobs to stylish and more expensive phenol knobs with classy spun metal inserts. For my own projects I did a little survey of the second kind of knobs. Below is the result of my researches. You can also find infos at Emulator Achive.
301 Yamaha CS-15 mods: info and modification description (contribution by Don Solaris)
The original CS-15 is a great monophonic synth from the late 70's. It has a specific dual 12 dB multimode filter structure and a dual signal path. However these two filters are permanently set into parallel connection. This can be sometimes limiting, specially when more filter power is required (i.e. 24 dB response). One of the mods here will provide your CS-15 with serial filter connection - the 24dB mode. Of course, switch is included so that you can always bring back the original unmodified parallel filter routing the 12dB + 12 dB mode.
One of the features that make CS-15 specific (next to parallel filters) is the ultra fast LFO that will go all the way up to 100 Hz. There are no many analog synths with LFOs that can go that fast (most end at 10-15 Hz). The potentiometer is used to tune from 0.1 Hz to 100 Hz. If you look at the numbers, this is quite a big range, and we said majority of LFO modulations are performed in up to 10 Hz range. The same is applied on CS-15's LFO potentiometer. That means, you can precisely tune from 0.1 Hz to 10 Hz (over 80% of potentiometer's turn ).
However, going from 30 Hz to 100 Hz occupies only 10% of the potentiometer's turn. So if you were to perform some kind FM or Ring Mod effects, this might become a tricky job, as it requires precise tuning, but instead potentiometer jumps from i.e. 20 Hz into 40, then 70 then 100 Hz. Please note, this doesn't have anything to do with potentiometer's condition (cleaning). No matter how good you clean it, the same problem will exist, simply because this is the physical precision limit of the potentiometer. The only solution is to expand the precision in the high frequency range. In other words, we will expand 10% of potentiometer's turn into some 80% or more. Switch is included to provide the original unmodified version.
277 50 (More) Excellent Mini Icon Sets | Icons
When it comes to GUI and navigation design, we need our buttons to be relatively small, simple and yet descriptive. There is no room for text or complex
Design, Technology, Web, Blog, Photoshop, Icon, Wordpress, Tool, Inspiration, Photography, Graphic, Wallpaper, Information, Tips, Google, Twitter, Facebook
Since its incorporation just over five years ago, Facebook has undergone a remarkable transformation. When it started, it was a private space for communication with a group of your choice. Soon, it transformed into a platform where much of your infor...
262 26 Free Progressive and Experimental Fonts | Freebies
Design is constantly changing and moving forward. However, typography is one aspect of design that seems to resist progression. When it comes to typography,
252 Top 10 Sites To Make National And International Phone Calls For Free
When we talk about making phone calls from our PC through internet, we think of ĂÂ instant messaging services like Yahoo Messenger and Google Talk which provides
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235 MATRIXSYNTH: Alesis Andromeda A6 Aurora Mod
This was a custom mod. I originally put a post up in August of 05 here. Anyone know the website where more info on this mod is hosted? I accidentally lost the link when mucking around with Blogger's settings a while back.
This image via Photobucket
Update: I found the original site but it is down. Some info and additional shots pulled from the Internet Archive Way Back Machine. You can find some thumbnails there, but most give you a 404 if you click on them for the larger shot. I pulled the large pics below before they are gone forever.
"Alesis made Synthesis History when they released their Alesis Andromeda A6, an analog polysynth bred with new technology and classic analog sound! Sixteen awesome voices with two types of filters, a vast modulation system, and enough bells and whistles to make the Andromeda A6 THE most highly featured analog polysynth in existence. If it only had a sloped panel...
* Take one Andromeda, lightly used (but out of warranty - very important!)
* Add one black on blue BETA Panel - because the pre-production beta panels were lacking the Pre- and Post-Filter Mix VIEW buttons, either the buttoncaps must be pulled off of the switches on the PCBs OR two holes need to be carefully drilled through the panel to accomodate. I drilled the holes after measuring about fifteen times each.
* Tilt that panel at approx. the same slope as the Korg MS-20. Requires the extending of a couple of ribbon cables inside, and some pop-rivetted braces. Not too hard.
* Custom wood endcheeks of nice Oak, plus a wood accent over the keyboard. I chose to go with thick, high quality wood to make Aurora more of a beast.
* Replace all green LEDs with red high-intensity ones. This also required changing some resistor values to increase the brightness.
* Replace the LCD with a Hantronix Blue-on-White display. Also, some resistor changes are needed.
* Have a very agreeable Alesis burn a custom Boot EPROM with the custom-designed bootup screen below.
* Build a custom top panel, complete with several additional controls (two joysticks, several switches and knobs) as well as a full 16-channel mixer with level and pan per channel, one for each of the 16 individual outs on the Andromeda.
* Add lots of careful, hard work and time, and PRESTO - you have the Aurora A6!
The Name: I went with Aurora for a couple of reasons.
1. Alliteration - AurorA - AndromedA - get it?
2. There is some legend/lore as to how the Alesis Andromeda got its name. Could be related to the Greek mythos. Could be related to the Andromeda galaxy. Could be darts thrown at dictionary pages :-) In any case, Aurora fits with the mythology bent because in Roman mythology, Aurora was the goddess of the dawn (Andromeda was rescued and married by Perseus in Greek mythos). Aurora also fits the 'celestial' thing as well, as the Aurora Borealis. Either way, it kept with what might have perhaps been Alesis' reasons for naming the Andromeda.
3. I just liked it.
4. The A6 is kept because this fits with Alesis' naming convention (QS8 = 81-key QuadraSynth, A6 = 61-key Analog). There is some rumor that A6 was a play on ASICs, the custom chips within Andromeda, but I'm assured this is just rumor :-) "
214 Best User Interface Design Resources: The Round-upÂ |Â Dzine Blog
If you strive to be a great designer (like most), then youâre more than likely to know that a web application or websites success many times rely solely on how well designed the User Interface may be. As you scale the web and even read books, there can be an influx of misleading information pertaining to the way you should design your UI.
When in reality you should do what works best for you and your users. Below you will find a variety of excellent User Interface resources that will allow you to access, redefine, and create a well designed User Interface. You should use these resources first as inspiration, and second as somewhat of a guide as to what your users may need when they come face to face with your UI.
210 What is your most productive shortcut with Vim? - Stack Overflow
I've heard a lot about Vim, both pros and cons. It really seems you should be (as a developer) faster with Vim than with any other editor. I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
The only two things you should care about when you talk about speed (you may not care enough about them, but you should) are:
Using alternatively left and right hands is the fastest way to use the keyboard.
Never touching the mouse is the second way to be as fast as possible. It takes ages for you to move your hand, grab the mouse, move it, and bring it back to the keyboard (and you often have to look at the keyboard to be sure you returned your hand properly to the right place)
Here are two examples demonstrating why I'm far less productive with Vim.
209 70+ Most Artistic and Creative Resumes Of All Time
When it comes to job hunting, the first thing which comes to our mind is a resume. And when we think of creating a resume, we mostly think of something that is
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202 How Accessible is Your Website? 8 Tools to Analyze Your Websiteâs Level of Accessibility | Spyre Studios
Designing a website that's as much successful as it is effective takes time, skills, and a lot of testing. Normally, when we're talking about web design and we hear the word testing, the first thing that comes to mind is usability, and that's fine, but when was the last time you sat down to analyze the level of accessibility of your website? Testing on other aspects of your website are important, however, a lot of us seem to neglect our websites accessibility. This can ultimately lead to the loss of a wide range of users and poor elements of design. But not to fear, below we've compiled a set of tools that will help you combat poor accessibility. Every tool is free to use and has been chosen because it's easy to use and offers quality testing.
102 Killer Facebook Fan Pages: 5 Inspiring Case Studies
Here are five mini case studies of brands that are doing everything right when it comes to Facebook fan pages, presented so that you can learn by example.
Facebook fan Pages, Social Media, brands on Facebook,Facebook Lists,Lists
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