When you want to test how an web-application reacts in a specific resolution, you can set up a specific...
This is for you when you want to mount a dmcrypt encrypted partition manually, e.g. from a live CD.
All our projects have enum-like requirements like this: An attribute value must be included in a given set of...
By default, Google Analytics tracks the current URL for every request. Sometimes you will want to track another URL instead...
An association defined with has_many :through will return the same record multiple times if multiple join models for the...
An = is represented by =3D in the log file. I got confused by the leading 3D which is not part...
This is a way to run multiple redis server on one ubuntu server. These steps you have to do only...
After installing Bundler 1.1 you will get the following warning when running tests: WARNING: Cucumber-rails required outside of env.rb...
TL;DR {} binds stronger than do … end (as always in Ruby, special characters bind stronger than words) Demo
When talking to your MySQL server via a mysql shell, you can terminate queries by ; or \G -- the latter gives...
The following two hints are taken from Github's Ruby style guide: If your regular expression mentions a lot of...
Usually you don't need to, but when you want to see which queries your MySQL server currently needs to...
Capybara has a global option (Capybara.ignore_hidden_elements) that determines whether Capybara sees or ignores hidden elements.
When you do a script/dbconsole -p, your MySQL shell will already be using UTF-8. When you call it yourself...
This is surprisingly difficult when there is a with the same text on the page, but you really want to...
Pour color on your Rails console with awesome_print. Turn confusing long strings into formatted output. Have objects and classes...
Online tool to test how a site behaves in popular desktop, tablet and phone resolutions.
This only applies to RSpec below version 1.3.2. The issue has been fixed in RSpec 1.3.2, and most likely RSpec...
This card shows you how to format a card's content using Markdown. We use the Commonmarker interpreter, so here...
Let's say you need to revert a migration that happened a while back. You'd create a new migration...
When updating WebMock, be prepared that your specs may send real requests into the depths of the internet unless you...
If your project manager wants to do gatekeeping on a project, as a developer you need to follow the following...
If you're responsible for gatekeeping in a projects, here is a guide, what to do. In order to reduce...
When your model is using a callback like before_save or before_validation to calculate an aggregated value from its...