josevalim

# In your test_helper.rb
class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || retrieve_connection
  end
end

ddgromit

# Adapted from the javascript implementation at http://sedition.com/perl/javascript-fy.html

# Randomizes the order of elements in the passed in array in place.
fisherYates = (arr) ->
    i = arr.length;
    if i == 0 then return false

    while --i
        j = Math.floor(Math.random() * (i+1))
        tempi = arr[i]

brentertz

## Prepare ###################################################################

# Remove RVM
rvm implode

# Ensure your homebrew is working properly and up to date
brew doctor
brew update

## Install ###################################################################

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

magnetikonline

IE 7/8/9/10/11 Virtual machines from Microsoft

We have moved: https://github.com/magnetikonline/linuxmicrosoftievirtualmachines

Due to the popularity of this Gist, and the work in keeping it updated via a Gist, all future updates will take place at the above location. Thanks!

hofmannsven

Git

Global Settings

• Related Setup: https://gist.github.com/hofmannsven/6814278
• Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/
• Interactive Beginners Tutorial: http://try.github.io/
• Git Cheatsheet by GitHub: https://services.github.com/on-demand/downloads/github-git-cheat-sheet/

Reminder

Press minus + shift + s and return to chop/fold long lines!

LeCoupa

#!/bin/bash
#####################################################
# Name: Bash CheatSheet for Mac OSX
# 
# A little overlook of the Bash basics
#
# Usage:
#
# Author: J. Le Coupanec
# Date: 2014/11/04

jaibeee

#!/bin/sh
# Configure homebrew permissions to allow multiple users on MAC OSX.
# Any user from the admin group will be able to manage the homebrew and cask installation on the machine.

# allow admins to manage homebrew's local install directory
chgrp -R admin /usr/local
chmod -R g+w /usr/local

# allow admins to homebrew's local cache of formulae and source files
chgrp -R admin /Library/Caches/Homebrew

cholung

Git Cheat Sheet

Although there are enough resources on the web about Git, I will keep this one for my own reference. Minimal Git version required 1.7.2.

TOC

• Info
• Adding
• Branching
• Managing