E.g. when you're using a tagging gem, you have seen virtual attributes that get and set a string array...
This collection of Sass mixins enables cross-browser styling (including IE with CSS3PIE) with less lines of code.
You should never transmit sensitive data without encryption. Being logged in somewhere constitutes transmitting sensitive data. For Pivotal Tracker:
When you use will_paginage to paginate a scope, and you want to obtain the total number of records matched...
If your pidgin IM fails to connect to ICQ, you may need to update it. The ubuntu default sources are...
This will stash all modifications that you did not git add: git stash -k Note that newly created (and non...
To only run the next two migrations: rake db:migrate STEP=2 To revert the previous two migrations:
The following initializer provides an :alias => "my_route_name" option to restful routes in your route.rb. This simply makes the...
If you need to revert only parts of one or several commits the following workflow can help:
As a user of Bundler you have spent significant time looking at this message: Fetching source index for http://rubygems.org...
Given this class: class Foo class Bar end end If you want to clean up this code with the modularity...
This is a bash script for those of you who need to install all gems for all projects (e.g. to...
Use this scope: class Stick named_scope :shuffled, lambda { last_record = last { :conditions => [ 'id >= ?', rand(last_record.id) ] } if last_record }
This note describes a Cucumber step definition that lets you test whether or not a CSS selector is present on...
Ctrl + R Search commands you entered previously. Press Ctrl + R again to search further back, Ctrl + Shift + R searches forward...
This note describes how to setup a box running Ubuntu to share its Internet connection with another PC.
CONCAT('foo', 'bar', NULL) = NULL the NULL always wins in MySQL. If you would rather treat NULL as...
Use this MySQL command to show further info about a table: SHOW CREATE TABLE tags; This will output a table...
If a controller action responds to other formats than HTML (XML, PDF, Excel, JSON, ...), you can reach that code in...
This returns the name (including path) of your current layout: response.layout => "layouts/admin" # inside views that are using the 'admin' layout...
You will need to upgrade to RSpec >= 2 and rspec-rails >= 2 for Rails 3. Here are some hints to...
Be careful when using params.merge as params is a HashWithIndifferentAccess. Why? Usually this should not be an issue but it...
I prefer the application that I'm currently working on to be reachable at http://localhost/. So when I switch...
When using form_for you can give the form's target URL either as a string or an array: