yaroslav

namespace :db do
  namespace :sessions do
    desc "Clean up expired Active Record sessions (updated before ENV['EXPIRE_AT'], defaults to 1 month ago)."
    task :expire => :environment do 
      Rails.logger.info "Cleaning up expired sessions..."
      puts "Cleaning up expired sessions..."
      time = ENV['EXPIRE_AT'] || 1.month.ago.to_s(:db)
      rows = CGI::Session::ActiveRecordStore::Session.delete_all ["updated_at < ?", time]
      Rails.logger.info "Expired sessions cleanup: #{rows} session row(s) deleted."
      puts "Expired sessions cleanup: #{rows} session row(s) deleted."

jwage

<?php

/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

samstokes

if "foo@example.com" =~ /@(.*)/
  $1
else
  raise "bad email"
end
# => "example.com"

pjkix

#!/bin/bash

## v1.0.6
## this script will gernerate css stats

### example output

# CSS STATS
# ----------
# Floats:  132

ziadoz

Awesome PHP

Awesome PHP has been relocated permanently to its own Github repository. No further updates will made to this gist.

Please open an issue for any new suggestions.

oodavid

Deploy your site with git

This gist assumes:

• you have a local git repo
• with an online remote repository (github / bitbucket etc)
• and a cloud server (Rackspace cloud / Amazon EC2 etc)
  • your (PHP) scripts are served from /var/www/html/
  • your webpages are executed by apache
• apache's home directory is /var/www/

e0da

#!/usr/bin/env ruby

require 'base64'
require 'digest'

# get 16 random hex bytes
#
def new_salt
  16.times.inject('') {|t| t << rand(16).to_s(16)}
end

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"

Integralist

#!/usr/bin/env ruby

require "webrick"

=begin
    WEBrick is a Ruby library that makes it easy to build an HTTP server with Ruby. 
    It comes with most installations of Ruby by default (it’s part of the standard library), 
    so you can usually create a basic web/HTTP server with only several lines of code.
    
    The following code creates a generic WEBrick server on the local machine on port 1234, 

andrekandore

require "openssl"
require "digest"

def aes128_encrypt(key, data)
  key = Digest::MD5.digest(key) if(key.kind_of?(String) && 16 != key.bytesize)
  aes = OpenSSL::Cipher.new('AES-128-CBC')
  aes.encrypt
  aes.key = key
  aes.update(data) + aes.final
end