zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

tenderlove

require 'rubygems'
require 'nokogiri'

class MyFilter
  def ends_with set, ends
    set.map { |x| x.to_s }.join.end_with? ends
  end
end

doc = Nokogiri.XML(DATA)

clyfe

# monkey-patch https://github.com/ryanb/cancan/issues/327
# put in Rails.root/config/initializers/cancan.rb
module CanCan
  module ModelAdapters
    class ActiveRecordAdapter
      private
      
      # fix nested imbrication
      def merge_conditions(sql, conditions_hash, behavior)
        if conditions_hash.blank?

philsmy

  __or_fn = lambda do |*scopes|
    where = []
    joins = []
    includes = []

    # for some reason, flatten is actually executing the scope
    scopes = scopes[0] if scopes.size == 1
    scopes.each do |s|
      w = []
      s.where_clauses.each do |where_clause|

javan

Found this tip in comment here: http://www.tipb.com/2011/01/04/tipb-bug-home-button-working-iphone/

1.) Open any application

2.) Press and hold the power button until the slide to shutdown swipe bar appears.

3.) Release Power button

4.) Press and hold Home button Lightly 
until screen returns to icon screen

grosser

# drop this in a ruby file in my_rails_app/config/initializers
# restart your rails and app you're good to go!

class String
  # remove middle from strings exceeding max length.
  def ellipsize(options={})
    max = options[:max] || 40
    delimiter = options[:delimiter] || "..."
    return self if self.size <= max
    remainder = max - delimiter.size

clyfe

# Setup
# =====
#
# Put this gist in Rails.root/config/initializers/cancan.rb
# Add Squeel to Gemfile, see https://github.com/ernie/squeel
#
#     gem "squeel", "~> 0.9.3"
#
# Load Squeel hash and symbol extensions in squeel config initializer
#

raws

#########################################
### Install wget-ssl over ipkg's wget ###
#########################################

$ ipkg install -verbose_wget libidn # To get ipk URL
$ ipkg install -verbose_wget wget-ssl # To get ipk URL
$ /usr/syno/bin/wget http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/libidn_1.25-1_i686.ipk
$ /usr/syno/bin/wget http://ipkg.nslu2-linux.org/feeds/optware/syno-i686/cross/unstable/wget-ssl_1.12-2_i686.ipk
$ ipkg install libidn_1.25-1_i686.ipk
$ ipkg install wget-ssl_1.12-2_i686.ipk

dwbutler

# Tested in Ruby 1.8.7

class ParentClass
  def call_private_good
    # Private methods can only be called without an explicit receiver
    private_test
  end
  
  def call_private_bad
    # Calling a private method with an explicit receiver (self) will fail

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: