Tak Tran taktran

An incomplete cheatsheet for rails 3. Things are added as they are required.

## Debugging

Check errors

@user = User.new(:email => email)
puts @user.valid?
@user.errors.each { |e| puts "#{e}: #{@user.errors[e]}" }

Git cheatsheet

An incomplete just-in-time cheatsheet for git. Things are added as required.

Add remote repository

To add an existing repo to a remote repo

For github/bitbucket, create repo there first, and get git address, eg

Useful commands

last_response
    .body

last_request
    .path
    .url
    .session

.cookies

Mongomapper cheatsheet

Mongomapper reference

Set up connection

require 'mongo_mapper'

def setup_mongo_connection(mongo_url)

Ajax

Debugging

To print out objects

JSON.stringify(obj)

Server dumps of env.to_yaml to replicate the rack-protection bug. Only seems to be an issue with IE9, without set :protection, except: :session_hijacking set.

I have the following setup:

rack (1.4.1)
rack-force_domain (0.2.0)
rack-protection (1.2.0)

sinatra (1.3.2)

rack (~> 1.3, >= 1.3.6)

	@import 'reset';
	@import 'typography';

	/* Variables
	-----------------------------------------------------------------------------*/

	/* Colours */


	/* General styles

	# Ship it! rake task
	#
	# Merge branch (master by default) to deployment branch, and deploy to server.
	#
	# Prerequisite:
	#
	# * Declare all deployment branches in `ALL_DEPLOYMENT_BRANCHES`
	# * Declare deploy only branches in `DEPLOY_ONLY_BRANCHES` (ie, does not merge master)
	# * Modify `Deploy.command` function as necessary
	#

	{
	"color_scheme": "Packages/Color Scheme - Default/Monokai.tmTheme",
	"folder_exclude_patterns":
	[
	".svn",
	".git",
	".hg",
	"CVS",
	".sass-cache",
	"tmp"

	def get_css_class(str)
	"class-#{str.downcase.gsub(/\W/, "-")}" if str.present?
	end