In specs, the session never persists but is always a new object for each request. Data put into the session...
All Rubyists should be familiar with the common definitions for include and extend. You include a module to add instance...
Non-SSL contents on SSL pages are blocked by default Bug 834836 – Turn on pref to block mixed active content...
All columns of a model's database table are automagically available through accessors on the Active Record object.
Note: This technique is confusing and slows down your test suite. Copy the attached code to features/support. This gets you...
Say you want to allow users to emphasize some string, but the whole markdown thing would be far too much...
Usually, the logrotate service takes care of renaming log files each night or so to avoid logs becoming huge. That...
TL;DR: Variables not declared using var are stored outside the current scope, most likely in the global scope (which...
When you use ab to do some performance benchmarking, you might run into output like this: Complete requests: 200
Find out in this short guide, how to horizontally center a absolute positioned container with CSS. Note: We have a...
Rails’ reputation as a relatively secure Web framework is well deserved. Out-of-the-box, there is protection against many...
yaml4r is a juxtaposition of yaml documents and their Ruby couterpart. Thus, it does a great job as YAML-doc...
Sometimes you might want to limit the number of associated records in a has_many association, but cannot add a...
view_context.helper_method('args') Rails 2 ApplicationController.helpers.helper_method('args') Also see How to use helper methods inside a model...
The User-Agent HTTP header identifies the client and is sent by "regular" browsers, search engine crawlers, or other web...
Spreewald's patiently repeats the given block again and again until it either passes or times out.
Ever wondered about the difference between def and define_method? Turns out there are three implicit contexts in Ruby. def...
The way Rational#to_s works on Ruby has changed from Ruby 1.9 on. Here is how to get the...
When a controller action redirects to an external URL (like http://somehost.com/some/path) you will find that this is hard...
Unfortunately, Capybara does not offer a switch to disable cookies in your test browser. However, you can work around that...
To set a cookie in your test browser for cucumber tests, you need to know which driver you are using...
The following code doesn't work like expected: page.find(css_selector).find(other_css_selector) The second .find will search...
Great presentation about writing Javascript like you write everything else: Well-structured and tested. JavaScript is no longer a toy...
Great look at the tradeoffs between progressive enhancement with jQuery or similiar, vs. client-side views.