Browsers usually cache favicons. If you update the favicon of your web site and want all visitors to see the...
Tests are about 100% control over UI interaction and your test scenario. Randomness makes writing tests hard. You will also...
I had to deal with JavaScript Undefined Error while accessing a specific CKEditor instance to fill in text. Ensure everything...
Ask before leaving an unsaved CKEditor Vanilla JavaScript way, but removes any other onbeforeunload handlers: $(function(){ document.body.onbeforeunload = function() { for(editorName...
Put the attached file into features/support/. Example usage: When /^I open the task named "(.+?)"$/ do |task_name| task = page.all('.task...
If you have a text that is edited by WSYIWYG-Editor but want some length checking nevertheless, you need to...
Sometimes you want to strip a text of every special char. If you use \W, the result might not be...
Warning: Because of (unclear) rounding issues and missing decimal places (see examples below), do NOT use this when dealing with...
I had a huge MySQL dump that took forever (as in: days) to import, while I actually just wanted to...
There seems to be no way to use therubyracer -v '0.11.4' and libv8 -v '3.11.8.17' on OS X Mavericks.
You might sometimes use self to capture the context of this before it is destroyed by some function. Unfortunately self...
If you want to test that a certain text is contained within the document title of your page, you can...
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec...
In Ruby, classes and modules are called constants. This card explains how Ruby resolves the meaning of a constant.
When you print something from within your .bashrc file you will run into trouble when copying something onto your machine...
Assert rmagick provision ... Gemfile gem 'rmagick', '2.13.2' # at this moment the latest stable version config/initializer/carrierwave.rb require 'carrierwave/processing/rmagick' ... and define a...
If you get a Quota error with OpenStack, it doesn't have to be what it tell. For example, I...
A clever way to have inline labels ("placeholders") that don't disappear when the user enters text.
When I upgraded from 0.5.4 PDFKit deadlocked or crashed when an ApplicationController::RouteError occured. If this error happens only because...
Ubuntu 12.04 LTS x64, Ruby 1.8.7, Rails 2.13, PDFKit 0.5.4, Phusion Passenger Apache 2 I ran into this, when I...
After reading, you will know why and how runners.each(&:run) works. Here some tidbits: & can be quite confusing because it...
Font Awesome 4 has renamed all icons. What the fuck. Check the attached link for an icon list for the...
Awesome Sass plugin to experiment with Subtle Patterns based textures. It automatically removes the base color from the pattern, leaving...
Rails has always included a scaffold script that generates a default controller implementation for you. Unfortunately that generated controller is...