Rails Common Commands

rvm ruby-1.9.2-p0 - ruby version manager; switches to Ruby 1.9.2
rvm --default ruby-1.9.2-p0 - ruby version manager; sets 1.9.2 as default
rvm system - ruby version manager; switches to Ruby 1.87
rails new - creates a new Rails application
rails server [s] - launches WEBrick web server
rails generate [g] - lists available generators
rails generate controller --help - provides usage documentation
rails generate model --help - provides usage documentation
rails generate migration --help - provides usage documentation
rails destroy controller [Name] - undo generate controller
rails destroy model [Name] - undo generate model
rails generate scaffold [Name] --skip --no-migration - scaffold skipping existing files
rake db:migrate - runs database migrations
rake db:test:clone - clones current environment's database schema
rake db:test:purge - empties the test database
rake routes - list of all of the available routes
rake -T - list of rake commands
git init - creates git repo
git add . - adds all files to working tree
git commit -m "Initial commit" - commits files to repo
git status - status of the working tree
git push origin master - merges local repo with remote
git checkout -b new-dev - creates topic branch
git checkout master - switches to master branch
git merge new-dev - merges new-dev branch into master branch
git checkout -f - undo uncommitted changes on working tree
git branch - list branches
git branch -d modify-README - deletes branch
git mv README README.markdown - renames files using move command
heroku create - creates app on Heroku servers
git push heroku master - pushs app on to Heroku servers
heroku rake db:migrate - runs database migrations on Heroku servers
heroku pg:reset --db SHARED_DATABASE_URL - deletes database file
heroku db:push - transfer an existing database to Heroku.
rails console - command line interface to Rails app
rails dbconsole - command line database interface
bundle install - installs gems from Gemfile