serek

class ConvertImagesToPaperclip < ActiveRecord::Migration
  include PaperclipMigrations
 
  def self.up
    # Paperclip 
    add_column :images, :data_file_name, :string
    add_column :images, :data_content_type, :string
    add_column :images, :data_file_size, :integer
    add_column :images, :data_updated_at, :datetime

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')

aishfenton

# sudo gem install bson
# sudo gem install bson_ext
# sudo gem install yajl-ruby
# sudo gem install json
# sudo gem install msgpack

require 'rubygems'
require 'benchmark'
require 'yaml'
require 'bson'

erichurst

# MySQL.  Versions 4.1 and 5.0 are recommended.
#
# Install the MySQL driver:
#   gem install mysql2
#
# And be sure to use new-style password hashing:
#   http://dev.mysql.com/doc/refman/5.0/en/old-client.html
development:
  adapter: mysql2
  encoding: utf8

bmarini

class ProgressBar
  def initialize(units=60)
    @units = units.to_f
  end

  def print(completed, total)
    norm     = 1.0 / (total / @units)
    progress = (completed * norm).ceil
    pending  = @units - progress
    Kernel.print "[#{'=' * progress }#{' ' * ( pending )}] #{percentage(completed, total)}%\r"

wader

class UserRenameAvatarToProfileRemoveAAddB < ActiveRecord::Migration
  # you may want to change these
  AttachmentColumns = [["file_name", :string], ["content_type", :string], ["file_size", :integer]]
  # make sure this matches your setup, also have a look in the rename and remove methods
  AttachmentPath = Rails.root.join("public", "system")

  def self.rename_attachment(table, old, new)
    AttachmentColumns.each do |suffix, type|
      rename_column table, "#{old}_#{suffix}", "#{new}_#{suffix}"
    end

nazgob

# you have ctags but it does not work...
$ ctags -R --exclude=.git --exclude=log *
ctags: illegal option -- R
usage: ctags [-BFadtuwvx] [-f tagsfile] file ...

#you need to get new ctags, i recommend homebrew but anything will work
$ brew install ctags

#alias ctags if you used homebrew
$ alias ctags="`brew --prefix`/bin/ctags"

chetan

YARD CHEATSHEET http://yardoc.org

May 2020 - updated fork: https://gist.github.com/phansch/db18a595d2f5f1ef16646af72fe1fb0e

cribbed from http://pastebin.com/xgzeAmBn

Templates to remind you of the options and formatting for the different types of objects you might want to document using YARD.

Modules

henrik

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

btoone

Introduction

An introduction to curl using GitHub's API.

The Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin