Add deprecation warnings and their solution or link to available solutions. Global access to Rake DSL methods is deprecated. Please...
We are maintaining some vintage projects with tests written in Test::Unit instead of RSpec. Mocks and stubs are not...
Depending on where you live, different rules are used to determine the number of the week and a weekday. You...
When working with large Sass files you will notice that the first request after a change to a Sass file...
You will occasionally need to clean out your database while keeping the schema intact, e.g. when someone inserted data in...
When you click a link or a press a button on a Selenium-controlled browser, the call will return control...
So you are comparing two Time objects in an RSpec example, and they are not equal, although they look equal...
In order to cover some edge cases you rarely care about, Range#include? will become very slow in Ruby 1.9...
After updating your RubyGems, you will probably not be able to run Capistrano any more, but receive an error similar...
If you want to get a deep understanding of how closures, blocks, procs & lambdas in Ruby work, check out the...
On 32bit systems, the maximum representable Time is 2038-01-19 03:14:07 in UTC or 2038-01-19...
This tool is used on our application servers (and called when deploying) but it also works locally. Just call dumple...
The code below shows a method #validate which uses Nokogiri to validate an XML document against an XSD schema. It...
A check if two date or time ranges A and B overlap needs to cover a lot of cases:
Note: Consider not doing this. Use form models or vanilla methods instead. The :conditions option for Rails associations cannot take...
Given those modules: module A def foo; end def bar; end end module B end When you want to call...
Given group size If you would like to split a Ruby array into pairs of two, you can use the...
When defining a trait using the Modularity gem, you must take extra steps to define constants to avoid caveats (like...
In case https://www.rubydoc.info/ is to slow or offline, you can also read a gem documentation offline. Start a server...
I love ETags, but there’s something that annoys me: most implementations revolve around pulling a record out of a...
Are you adding a "Then show me the page" and re-run Cucumber whenever there is a failing scenario? Don...
If you're on Ubuntu: sudo apt-get install ruby-dev On other platforms: Look for a package containing ruby...
Call geordi clean from a project root to remove unused and unnecessary files inside it. This script is part of...
Update: This trick probably isn't very useful anymore in Ruby 2.x. The Ruby GC has improved a lot...