bradland

desc "The default task; lists tasks"
task :default do
  puts `rake --tasks`
end

desc "Go ahead, you deserve it"
task :endulge do
  puts "You're great. You really are."
end

JoshuaEstes

Moved to https://github.com/JoshuaEstes/CheatSheets

mloberg

#!/bin/sh

CHECKSUM=$1
FILE=$2

if [[ -z "$CHECKSUM" ]]; then
    echo "Usage: $0 md5 file"
    exit 1
elif [[ -z "$FILE" ]]; then
    echo "Usage: $0 md5 file"

rickenharp

  Capybara.register_driver :selenium_de do |app|
    require 'selenium/webdriver'
    profile = Selenium::WebDriver::Firefox::Profile.new
    profile['intl.accept_languages'] = "de"

    Capybara::Selenium::Driver.new(app, :profile => profile)
  end
  Capybara.javascript_driver = :selenium_de

sartak

see https://github.com/ankidroid/Anki-Android/wiki/Database-Structure for a more maintained version of this

gpfeiffer

#############################################################################
##
##  extended_gcd.rb
##
##  given non-negative integers a > b, compute
##  coefficients s, t such that gcd(a, b) == s*a + t*b 
##
def extended_gcd(a, b)

  # trivial case first: gcd(a, 0) == 1*a + 0*0  

klange

Since this is on Hacker News and reddit...

• No, I don't distribute my résumé like this. A friend of mine made a joke about me being the kind of person who would do this, so I did (the link on that page was added later). My actual résumé is a good bit crazier.
• I apologize for the use of _t in my types. I spend a lot of time at a level where I can do that; "reserved for system libraries? I am the system libraries".
• Since people kept complaining, I've fixed the assignments of string literals to non-const char *s.
• My use of type * name, however, is entirely intentional.
• If you're using an older compiler, you might have trouble with the anonymous unions and the designated initializers - I think gcc 4.4 requires some extra braces to get them working together. Anything reasonably recent should work fine. Clang and gcc (newer than 4.4, at le

ndarville

Business Models

Advertising

Models	Examples
Display ads	Yahoo!
Search ads	Google

jordelver

Move a deprecated gem into vendor/gems

If a gem gets pulled from rubygems.org, but you still have it locally (or can get hold of it somehow), you can move the gem into your vendor/gems directory.

Unpack the gem into vendor/gems

gem unpack <gem-name> --target vendor/gems

Edit the Gemfile to match

bf4

This was my solution for a polymorphic many-to-many association

class ItemCountry < ActiveRecord::Base
  belongs_to :locatable, :polymorphic => true
  belongs_to :country
  # fields are :locatable_id, :locatable_type, :country_id
end

class Title < ActiveRecord::Base

has_many :countries, :through => :item_countries, :as => :locatable