joho

Steps to install and run PostgreSQL 9.2 using Homebrew (Mac OS X)
(if you aren't using version 9.1.5, change line 6 with the correct version)

1. launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
2. mv /usr/local/var/postgres /usr/local/var/postgres91
3. brew update
4. brew upgrade postgresql
5. initdb /usr/local/var/postgres -E utf8
6. pg_upgrade -b /usr/local/Cellar/postgresql/9.1.5/bin -B /usr/local/Cellar/postgresql/9.2.0/bin -d /usr/local/var/postgres91 -D /usr/local/var/postgres
7. cp /usr/local/Cellar/postgresql/9.2.0/homebrew.mxcl.postgresql.plist ~/Library/LaunchAgents/

andrewliebchen

#Rails

##Creating a Rails project With the command line, navigate to where you want the project folder to be generated (e.g. documents/my_rails_projects/) and type the following to create a project called project_name:

rails new project_name

Navigate to that folder and type the following to create a controller called posts:

dingyi

/* ---------------------------------------------------------- */
/*                                                            */
/* A media query that captures:                               */
/*                                                            */
/* - Retina iOS devices                                       */
/* - Retina Macs running Safari                               */
/* - High DPI Windows PCs running IE 8 and above              */
/* - Low DPI Windows PCs with IE zoomed in                    */
/* - Android hdpi devices and above                           */
/* - Android tvdpi devices, including Google Nexus 7          */

ymkjp

var fragment = document.createDocumentFragment();
for (var i = 0; i < 10; i++) {
	var child = document.createElement('div');
	// here
	fragment.appendChild(child);
}
document.getElementById('parent').appendChild(fragment);

ryanlindsey

//
// Variables
// --------------------------------------------------


// Global values
// --------------------------------------------------


// Grays

kuno

# config/initializers/source_maps.rb

if Rails.env.development?
  require 'open3'
  module CoffeeScript
    class SourceMapError < StandardError; end;
  
    class << self
    
      def map_dir

Austex

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

gbuesing

UPDATE a fork of this gist has been used as a starting point for a community-maintained "awesome" list: machine-learning-with-ruby Please look here for the most up-to-date info!

Resources for Machine Learning in Ruby

Gems

• liblinear-ruby: Ruby interface to LIBLINEAR using SWIG