This week we have two new categories in the list: Objective-C and Clojure

Objective-C

• NSRails
  an Objective-C framework for ActiveRecord like API (crud remote rails objects).

GIT

• Github for Windows
  The famous Mac tool is now ported to Windows

Ruby

• Ruby 1.9 lands NaCl support, can run in Chrome
• twitter / activerecord-reputation-system
  The Active Record Reputation System helps you discover more about your application and make better decisions.
• Three quick Rails console tips
  Dive into your app / Try out a helper / Where does that method come from?

Clojure

• Reducers
  A Library and Model for Collection Processing

HTML5

• sipml5
  The world’s first HTML5 SIP client. Written in pure JavaScript.
• WYSIHTML5
  A better approach to rich text editing
• WebGL 80.000 particles
  Cool WebGL demo with 80.000 particles. Kinda rocks!

Javascript

• 10 reasons why I switched to Spine.js
• CPU Profiling with Nodetime
  Introduction to nodetime a profiler for nodejs apps
• Moment.js
  A lightweight (4.3k) JavaScript library for displaying and manipulating dates and times. E.g.: last Saturday at 6:25. Includes I18N support.
• Self-updating scripts - Steve Souders

CSS

• The Tilde is an Amazing CSS Selector

Linux

• Linux 3.4
  has been released. Offical announcement

Windows

• Building the next generation file system for Windows: ReFS
  extensive article on Windows 8’s new file system ReFS

Vim

• Learn Vimscript the Hard Way - by Steve Losh
  Steve Losh is not unknown to the Vim community. His .vimrc was the starting point for many Vim noobs. Learn Vimscript the Hard Way is a short book for users of the Vim editor who want to learn how to customize Vim.

Databases

• PostgreSQL vs MongoDB
  A comparative tests of postgresql vs mongodb and the HackerNews Discussion
• Intro to Graph Databases [video]
  A high level introduction to graph databases. This webinar demonstrates how graph databases fit within the NOSQL space, and where they are most appropriately used.
• Map reduce questions and answers part 1 and part 2

Browser

• Google Chrome overtakes Internet Explorer as the Web’s most used browser
  Google Chrome has been long expected to leapfrog Microsoft’s Internet Explorer (IE) to take its position as the Web’s most used browser and, according to data from Statcounter, the momentous change of leadership happened last week.

Other

• The Facebook Offering: How It Compares
• Disposable Email address
  A comparison of disposable email addresses and email forwarding services.
• The best story in development
  Not completely tech related but still worth noting: Africa is experiencing some of the biggest falls in child mortality ever seen, anywhere.
• Ask HN: Favorite HN threads of all time
  Cellis asks: Have any Hacker News threads ever truly changed your perspective on life, or technology? Post them please.

Programming

• 10 ways to improve your programming skills
  nearly a year old, but still valid points.

Hosting / Server / SPDY

• Nginx 1.3.0
• peterkeen / dokuen
  Heroku for the masses