It allow you to easily add qrcode to your webpages. It is standalone, less than 4k after minify+gzip, no image download. It doesnt rely on external services which go on and off, or add latency while loading. It is based on a library which build qrcode in various language. jquery.qrcode.js wraps it to make it easy to include in your own code. Show, dont tell, here is a example.
Crossfilter supports extremely fast (<30ms) interaction with coordinated views, even with datasets containing a million or more records; we built it to power analytics for Square Register, allowing merchants to slice and dice their payment history fluidly. Since most interactions only involve a single dimension, and then only small adjustments are made to the filter values, incremental filtering and reducing is significantly faster than starting from scratch. Crossfilter uses sorted indexes (and a few bit-twiddling hacks) to make this possible, dramatically increasing the performance of live histograms and top-K lists. For more details on how Crossfilter works, see the API reference. Nvd3. Getting started with Knockout.js. One of Knockout's guiding principles is to stick to its strengths and provide extensibility points for the areas outside of its core competencies.
This gives you the flexibility to integrate Knockout with your preferred libraries and technologies. To get the most out of Knockout, you should become familiar with the various extensibility points that Knockout provides. Custom bindings Knockout allows you to create your own bindings easily, and this is generally the most-used extensibility point. Whenever you find yourself needing to write code that touches both data and DOM elements in a way that the built-in bindings are not able to handle, then you will likely want to look at creating a custom binding.
Kig/JSARToolKit. SPIF - Streaming Progressive Image Format. MultiRes is an image format that makes images look good on all screen resolutions, from mobile displays to Retina displays.
Is that you get to see and play with a lot of little toys before the rest of the world does. YUI was one such tool. I started playing with YUI while it was still in version 1, and its API was much different from what it looks like now. Among the toys I'd made was a bookmarklet to add drag and drop to any website. Create a new Fiddle - jsFiddle. Hogan.js. Getting started Hogan.js is a 3.4k JS templating engine developed at Twitter.