rvm use ruby-1.9.2-p0 - ruby version manager; switches to Ruby 1.9.2
rvm use ruby-1.9.2-p0 --default  - ruby version manager; sets 1.9.2 as default
rvm use 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

TextMate

Head over to http://macromates.com/ and download TextMate. Once we have installed TextMate we are going to configure it. From the TextMate menu go to:

TextMate >> Preferences >> Fonts & Colors. Then select the “Twilight” theme.

For smaller projects where we do the markup ourselves we are going to use Haml, which we will install shortly, TextMate does not include this bundle by default, so we need to add it. Open up terminal and enter the following:

cd /Applications/TextMate.app/Contents/SharedSupport/Bundles
svn co "http://svn.textmate.org/trunk/Bundles/Ruby%20Haml.tmbundle/"

Back in TextMate go to Bundles >> Bundle Editor >> Reload Bundles.

Terminal

Next on our list is to configure Terminal.

The first thing we want to do is setup the bash prompt for Git. This cool trick will show our checked out topic branch right at the prompt:

Git_topic_branch_at_prompt, a photo by Carlos Gabaldon on Flickr.

Open a Terminal session and type the follow:

sudo mate ~/.bash_login

To configure we will copy the following into our .bash_login file:

   RED="\[33[0;31m\]"
     YELLOW="\[33[0;33m\]"
 	  GREEN="\[33[0;32m\]"
       BLUE="\[33[0;34m\]"
  LIGHT_RED="\[33[1;31m\]"
LIGHT_GREEN="\[33[1;32m\]"
      WHITE="\[33[1;37m\]"
 LIGHT_GRAY="\[33[0;37m\]"
 COLOR_NONE="\[\e[0m\]"

function parse_git_branch {

  git rev-parse --git-dir &> /dev/null
  git_status="$(git status 2> /dev/null)"
  branch_pattern="^# On branch ([^${IFS}]*)"
  remote_pattern="# Your branch is (.*) of"
  diverge_pattern="# Your branch and (.*) have diverged"
  if [[ ! ${git_status}} =~ "working directory clean" ]]; then
    state="${RED}⚡"
  fi
  # add an else if or two here if you want to get more specific
  if [[ ${git_status} =~ ${remote_pattern} ]]; then
    if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
      remote="${YELLOW}↑"
    else
      remote="${YELLOW}↓"
    fi
  fi
  if [[ ${git_status} =~ ${diverge_pattern} ]]; then
    remote="${YELLOW}↕"
  fi
  if [[ ${git_status} =~ ${branch_pattern} ]]; then
    branch=${BASH_REMATCH[1]}
    echo " (${branch})${remote}${state}"
  fi
}

function prompt_func() {
    previous_return_value=$?;
    # prompt="${TITLEBAR}$BLUE[$RED\w$GREEN$(__git_ps1)$YELLOW$(git_dirty_flag)$BLUE]$COLOR_NONE "
    prompt="${TITLEBAR}${BLUE}[${RED}\w${GREEN}$(parse_git_branch)${BLUE}]${COLOR_NONE} "
    if test $previous_return_value -eq 0
    then
        PS1="${prompt}➔ "
    else
        PS1="${prompt}${RED}➔${COLOR_NONE} "
    fi
}

PROMPT_COMMAND=prompt_func

Next let’s make terminal a little prettier. From the Terminal menu:

Terminal >> Preferences >> Startup; New window settings: "Homebrew".
Terminal >> Preferences >> Settings; Font select "Andale Mono 18pt".

Now that we have TextMate and Terminal configured we are going to setup our development tools.

Development Tools

XCode Tools

Go to http://developer.apple.com/mac/ and download the latest version of XCode. Once it is downloaded simply run the installer.

Git

Next we will download the git-osx-installer, then run it.

RubyGems

From terminal we need to update our RubyGems:

sudo gem install rubygems-update
sudo update_rubygems

SSH

Still at terminal we will run:

ssh-keygen -t rsa -C "cgabaldon@gmail.com"
cat ~/.ssh/id_rsa.pub | pbcopy

GitHub

Then we will navigate over to GitHub.com >> Account Settings to add our RSA key that we copied to the clipboard.

GitHubAccountSettings, a photo by Carlos Gabaldon on Flickr.

MySQL

We are next heading over to download mysql-5.1.47-osx10.6-x86_64.dmg, and then once downloaded run the installer.

After MySQL is installed we will install the MySQL preference pane which gets added to the OS X System Preferences. To install we simply double clicking on the MySQL.prefPane contained within the MySQL install package. This gives us a convenient way to start and stop our MySQL server from the System Preferences.

Back to terminal to add our newly installed MySQL server to our path:

cd
sudo mate .bash_login # add: export PATH=/usr/local/mysql/bin:$PATH

Then last, but not least we need to install our ruby mysql gem:

sudo gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config

Sinatra

sudo gem install sinatra

Rails

sudo gem install rails

Other Gems

sudo gem install sequel
sudo gem install haml
sudo gem install do_sqlite3
sudo gem install cheat
sudo gem install cucumber
sudo gem install dancroak-twitter-search
sudo gem install faker
sudo gem install geokit
sudo gem install giraffesoft-timeline_fu
sudo gem install github
sudo gem install heroku
sudo gem install json
sudo gem install mislav-hanna
sudo gem install nokogiri
sudo gem install passenger
sudo gem install rack
sudo gem install railsmachine
sudo gem install RedCloth
sudo gem install redgreen
sudo gem install reek
sudo gem install rest-client
sudo gem install right_aws
sudo gem install right_http_connection
sudo gem install rr
sudo gem install rspec
sudo gem install technicalpickles-le-git
sudo gem install thoughtbot-factory_girl
sudo gem install thoughtbot-paperclip
sudo gem install thoughtbot-shoulda
sudo gem install webmat-git_remote_branch
sudo gem install webrat
sudo gem install wirble

Capistrano

To simplify deployment we need to install Capistrano:

sudo gem install capistrano
sudo gem install capistrano-ext

FireFox

We of course need to install FireFox, by downloading and installing.

FireBug

Then Firebug and YSlow to help us on our front end engineering work.

Quicksilver

To help us keep our hands off the mouse we will install Quicksliver so we can exercise our keyboard foo. To install simply extract the tarball and drag to Applications.

Update the mappings to be Apple+Space for Quicksilver and Option+Space for Spotlight.

Fluid

Finally, we will install Fluid to help us turn our commonly visited sites into apps. Once downloaded drag to Applications.

Virtual Box

All production applications get deployed to a LAMP server, so we need a place to test out various configurations locally. Say hello to virtualization! We are going to use VirtualBox; download and install.

Evernote

Never forget anything; install Evernote and sign up.

Concentrate

Multitasking does not work when trying program, distractions will kill you. We are going to install Concentrate to apply the Pomodoro technique to keep focused and productive.

Things

We have a lot of Things to get done, so we need a great task management tool.

Growl

Most of the cooler OSX applications support notifications, Growl is the system for doing that.

Pencil

Pencil is one of the coolest UI prototyping tools I have used since a Sharpie.

Hack

We are now ready to do some serious hacking..

The interview series provides insight and commentary from notable Sinatra developers, with the goal of facilitating and providing answers to the questions Ruby beginners face on how to learn and master Sinatra.

Satish Talim is a programmer, author, trainer, and speaker. A recognized expert in the field of software development with over 30+ years of I.T. experience, Satish has consulted and trained teams at various companies in India and the US.

http://rubylearning.com/blog/2009/07/21/carlos-gabaldon-how-do-i-learn-and-master-sinatra/

Sinatra-rake-tasks

In my last article I wrote about the cool Ruby DSL web framework called Sinatra which is taking the Ruby world by storm. I decided that another “How to” article on some of Sintra’s other kick ass features was just what Frank would expect.
..

Read More..