mdang

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before

hezhao

# Use Python 3 for easy unicode
$ virtualenv -p python3 .env
$ source .env/bin/activate
$ pip install django
$ deactivate

# Start new django project and app
$ django-admin.py startproject mysite
$ ./manage.py migrate
$ ./manage.py createsuperuser

eliotsykes

Run rails new --help to view all of the options you can pass to rails new:

$ bin/rails new --help
Usage:
  rails new APP_PATH [options]

Options:
  -r, [--ruby=PATH]                                      # Path to the Ruby binary of your choice
                                                         # Default: /Users/eliot/.rbenv/versions/2.2.0/bin/ruby

addyosmani

CSS Layout Debugger

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version

bartholomej

/*------------------------------------------
  Responsive Grid Media Queries - 1280, 1024, 768, 480
   1280-1024   - desktop (default grid)
   1024-768    - tablet landscape
   768-480     - tablet 
   480-less    - phone landscape & smaller
--------------------------------------------*/
@media all and (min-width: 1024px) and (max-width: 1280px) { }
 
@media all and (min-width: 768px) and (max-width: 1024px) { }

itsmattsoria

SHORTCUTS

Key/Command	Description
Tab	Auto-complete files and folder names
Ctrl + A	Go to the beginning of the line you are currently typing on
Ctrl + E	Go to the end of the line you are currently typing on
Ctrl + U	Clear the line before the cursor
Ctrl + K	Clear the line after the cursor
Ctrl + W	Delete the word before the cursor
Ctrl + T	Swap the last two characters before the cursor