GitHub Social Coding

Remember my previous article "I pushed 30 of my projects to GitHub?" Well, I just gathered 20 more projects that I had done (or did recently) and pushed them all to GitHub.

Quick note on GitHub - GitHub is the best invention ever for programmers. Nothing stimulates you more than pushing more and more projects to GitHub and seeing people forking them, following them, finding and fixing bugs for you. I wouldn't be doing so much coding if there wasn't GitHub.

If you like my projects, I'd love if you followed me on github! Oh, and also on twitter! Thank you!

Right, so here are the new projects:

node-video

This is a node.js module for recording HTML5 Theora/Ogg videos. It's written in C++ and is the first class citizen of node.js, meaning that it's fully asynchronous. It uses libtheora and libogg libraries for recording.

I wrote this module for my StackVM startup so that anyone could record virtual machine video screencasts. See StackVM demo video #1 at around 1min 23secs, where I demo this module in action.

node-png

This is another node.js module for producing PNG images from raw RGB/BGR/RGBA/BGRA buffers. It's also written in C++, is asynchronous, and uses libpng to produce images. I also wrote it for StackVM. I added a concept of stacked-pngs to the library where many virtual machine screen updates get stacked together to produce the final image, but that is a topic for a separate post.

node-jpeg

This is also a node.js module for producing JPEG images from raw RGB buffers. It uses libjpeg (or libjpeg-turbo, which is much faster than libjpeg), it's is written in C++ and is asynchronous.

This module was also written for StackVM and it will be used in cases when the client has a really slow connection. In that case the virtual machine screen updates get downsampled to quality and size that the client is able to receive.

node-gif

This is a module for node.js for producing GIF images. I like this module the most because it can be used to record what I call "gifcasts". Gifcasts are screencasts that get recorded to animated gifs. Here is an example gifcast that I recorded - A gifcast of me plurking from Windows XP.

This module is also written in C++ and uses giflib.

node-image

This is a module for node.js that unifies node-png, node-jpeg and node-gif. So instead of requiring all three modules, you just var Image = require('image') and then can do things like:

var png = Image.encodeSync('png', buffer); // or
var jpeg = Image.encodeSync('jpeg', buffer); // etc.
var gif = Image.encodeSync('gif', buffer);

node-supermarket

Node-supermarket is like a regular key-value store (hash-table), except greater. It uses node-sqlite as the underlying storage engine that gives it unprecedented stability. This library doesn't end here. The plan is to create an object store, where you can just dump the whole js objects, and then restore them back, map, filter and fold on them, etc.

supermarket-cart

Supermarket-cart stores connect sessions in supermarket key-value store.

node-base64

This ia a node.js module for doing base64 encoding/decoding. I wrote it because half a year ago when I started working on StackVM, node.js didn't have base64 encoding functions and all other modules were terribly broken for binary data. So I named this module "base64 module that actually works."

nodejs-proxy

This is a HTTP proxy written in node.js. It has access control and URL black lists. I wrote it for fun.

Perl TCP Proxy

This is a TCP proxy written in Perl. I wrote it as a helper program for my "Turn any Linux computer into SOCKS5 proxy in one command" post.

node-chess

This is a my, James's and Joshua's node.js knockout entry - an online chess game (half-working).

catonmat.net blog engine

I wrote a new catonmat.net engine in Python. I used Werkzeug, SQLAlchemy, Mako, Pygments, Memcached, Sphinx and repoze.profile to make it as awesome as it is.The design followed the "50 ideas for the new catonmat.net website."

Social Scraper

This is an older project from 2007 that I found on my hard drive. It's a social media website scraper (and also some popular news site scraper). It used to scrape data from boingboing, del.icio.us, digg, flickr, furl, reddit, simpy, stumbleupon and wired.

The Little Schemer Book Review

This is a book review of The Little Schemer. The book is a dialogue between you and the authors about interesting examples of Scheme programs and it teaches you to think recursively.

If anyone asks me which book do I recommend for learning basics of Lisp, I recommend this one (and The Seasoned Schemer, see below). It's very fun to read and can be read in one evening.

The Seasoned Schemer Book Review

This is a book review of The Seasoned Schemer. This book continues where The Little Schemer ended and introduces more advanced programming and Scheme concepts such as accumulators, letrec, letcc, call/cc and generators.

Where The Little Schemer can be read in one evening, this book will take one whole day.

The Reasoned Schemer Book Review

This is a book review of The Reasoned Schemer. Though this is not yet a full book review. I currently only had time to go through first few chapters. It's really complicated and takes a lot of effort to understand. One of the authors is Oleg Kiselyov, which instantly makes this book so conceptually difficult that it may take one full week to comprehend some of the topics.

Here is how I summarize this book:

The goal of the book is to show the beauty of relational programming. The authors of the book believe that it is natural to extend functional programming to relational programming. They demonstrate this by extending Scheme with a few new constructs, thereby combining the benefits of both styles. This extension also captures the essence of Prolog, the most well-known logic programming language.

The Little MLer Book Review

This is a book review of The Little MLer. The Little MLer book has two goals. The first and primary goal is to teach you to think recursively about types and programs. The second goal is to expose you to two important topics concerning large programs: dealing with exceptional situations and composing program components.

Having learned the concept of functors in ML, I realized that various programming languages like to call all kinds of unrelated things "functors". So I wrote a post "On Functors".

More!

These are not all the projects that I have pushed to GitHub since last time, but the others are not that interesting. Just for completeness, they are:

  • php2000 - written in 2000, a php routing engine via require().
  • webdev-template - a small webdev template with reset css.
  • node-bufferdiff - compares two node.js buffers fast.
  • node-time - time functions for node.js (had forgotten about Date object).
  • node-jsmin - javascript minification node.js module.
  • node-async - simplest possible asynchronous node.js C++ module (useful as an example).
  • rfb-protocols - implements hextile rfb decoder to RGB buffer in C++.

This is actually more than 20 projects, but not all of them count. :) Anyway, hope you find some of them useful and until the next post!

And just another reminder, I'd love if you followed me on github and twitter! :)

Comments

September 20, 2010, 15:36

Peter, thanks for sharing node-supermarket -- I just was reviewing the code for warehousing Python objects using key-value: http://yserial.sourceforge.net -- y_serial module, yes, again using SQLite. Will you be adding compression for those objects?

September 21, 2010, 17:00

Aha, that y_serial module probably uses pickle to do that. At first I'll just make the module to store js objects in the database, too early to talk about features such as compression.

Mohit Permalink
October 03, 2010, 10:06

Hey Peter,

I need your help i am working on test automation og GUI using Watir framework, Ruby scripting.at there its a web cam gui which do live streaming.So i have to confirm weather live video is black or not.
For dealing with video color what shoould i do .I am a new bie.
Please guide me as soon as possible..!!

Thanks
Mohit
+91-9645190180

October 04, 2010, 11:49

I am a newbie too, so I can't help.

October 06, 2010, 14:49

Just wanted to say thank you very much for sharing all these projects! I don't have any immediate use for them, but they will all help make node.js even more awesome as time goes on :)

February 23, 2011, 23:49

Hello,

theses projects are simply amazing and I'll soon use them for sure.

Do you plan on writing a blogpost about using :
- vnc
- node-rfb
- rfb-protocols
- node-png
- node-video

For example taking screenshots of a VM instance or recording a video from it. This could be amazing to see how you use them, in the meantime I'll try to figure it out from the code.

THANKS for writing good code that we can reuse :)

September 29, 2011, 12:16

Žēl, ka Latvijā tādiem kā tu ir par šauru :)

Craig Higginbotham Permalink
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June 03, 2014, 14:00

github is awesome resources to share a projects

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