gcatlin

brew update
brew versions FORMULA
cd `brew --prefix`
git checkout HASH Library/Formula/FORMULA.rb  # use output of "brew versions"
brew install FORMULA
brew switch FORMULA VERSION
git checkout -- Library/Formula/FORMULA.rb    # reset formula

## Example: Using Subversion 1.6.17
#

serdna

#!/usr/bin/env ruby
#
# Whatsapp status crawler for Central America mobile phone numbers.
#
# Based on a SBD post by Alejandro Ramos:
# http://www.securitybydefault.com/2012/03/casi-10-millones-de-moviles-espanoles.html
#
# Modified by @hugogilmar & @andrexu for mobile phone numbers in El Salvador
#--------------------------------------------------------------------------------------
# You must change some parameters matching to your country, your country code, for example. HAVE FUN!

kellysutton

In config/production.rb

  config.action_mailer.asset_host = "https://123123.cloudfront.net"

In config/initializers/mail_image_tag.rb

module ActionView

jexchan

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

kmatt

# dump
pg_dump testdb | pv -c -s $(psql -tc "SELECT pg_database_size('testdb')") -N dump | gzip > testdb.sql.gz

# restore
pv testdb_20120501.sql.gz | zcat | psql testdb

etienned

(function($) {
    $.fn.changeElementType = function(newType) {
        this.each(function() {
            var attrs = {};    			

            $.each(this.attributes, function(idx, attr) {
               attrs[attr.nodeName] = attr.nodeValue;
            });
	
            $(this).replaceWith(function() {

mperham

class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil

  def self.connection
    @@shared_connection || ConnectionPool::Wrapper.new(:size => 1) { retrieve_connection }
  end
end
ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection

jacobvosmaer

Open all files with git merge conflicts in MacVim

git diff --name-only | uniq | xargs mvim

When git encounters a merge conflict, e.g. during a rebase, it drops you back into the shell with a dirty working directory. I like this one-liner for opening all files with a merge conflict in MacVim.

Once you're in Vim, you can then switch between the files with :n and :prev, or another favourite: :w | n (save current file and open the next command line-supplied file).

UPDATE: see below for a version that works with real terminal commands.

judofyr

a=b=c=(1..100).each do |num|
  print num, ?\r,
    ("Fizz" unless (a = !a) .. (a = !a)),
    ("Buzz" unless (b = !b) ... !((c = !c) .. (c = !c))),
    ?\n
end

johntyree

#!/usr/bin/env sh

# Download lists, unpack and filter, write to stdout
curl -s https://www.iblocklist.com/lists.php \
  | sed -n "s/.*value='\(http:.*=bt_.*\)'.*/\1/p" \
  | xargs wget -O - \
  | gunzip \
  | egrep -v '^#'