peter

# 0. Make sure you have Ruby 1.9.3 installed, and optionally RVM and PostgreSQL

# 0.2 If you are on the Mac, make sure you have a c compiler by installing XCode Command Line Tools or gcc4.2 with homebrew
# https://github.com/mxcl/homebrew/wiki/Custom-GCC-and-cross-compilers

# 0.5 Make sure you have bundler version ~> 1.2 as Rails depends on it
gem install bundler

# 1. Get edge Rails source (master branch)
git clone https://github.com/rails/rails.git

i-scorpion

Here is a simple jQuery plugin to make a table header fixed on top when window is scrolled.
Using the code from twitter bootstrap documentation page, this code is customized for table header.

Create the table with following layout -
<table class="table-fixed-header">
  <thead class="header">
    <tr>
      <th>Column 1</th>
      <th>Column 2</th>
      <th>Column 3</th>

Sujimichi

class ApplicationController < ActionController::Base

  ...
  #Problem:
  #In rails 3.0.1+ it is no longer possible to do this anymore;
  #  rescue_from ActionController::RoutingError, :with => :render_not_found
  #
  #The ActionController::RoutingError thrown is not caught by rescue_from.
  #The alternative is to to set a catch-all route to catch all unmatched routes and send them to a method which renders an error
  #As in http://techoctave.com/c7/posts/36-rails-3-0-rescue-from-routing-error-solution

he9lin

Setup Rails application production environment on Ubuntu

Add deploy user

ssh root@YOURDOMAIN
adduser deploy
visudo # Add deploy ALL=(ALL) ALL

Install necessary libraries

rdegges

sudo aptitude -y install nginx
cd /etc/nginx/sites-available
sudo rm default
sudo cat > jenkins
upstream app_server {
    server 127.0.0.1:8080 fail_timeout=0;
}

server {
    listen 80;

yorzi

Rails 開發注意要點

About Ruby Syntax

• 編輯器設定 soft tab (space=2)，以 2 格空白符號做為程式內縮距離（不分語言）。
• 函式如果只有一個參數，就不強制打()
• 函式如果有二個以上的參數，通通都要有 ()
  • (避免發生奇怪的paser bug跟保持專案一致性)
• 字串限定用雙引號包覆
• 善用 "#{str1} #{str3} " 等字串改寫技巧取代不需要的字串加法。

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')