Running projects parallel makes some trouble with PDF generation. Use geordi rspec spec to force sequential tests for the whole...
Large projects usually have large test suites that can run for a long time. This can be annoying as running...
Get an idea of the varying support for HTML/CSS/JavaScript features in different browsers like Chrome, Firefox, Internet Explorer, Edge...
Action Mailer Basics and Previews Chapter "Task H1: Sending Mail" from Agile Web Development with Rails 7.2 (in our...
Learn to treat files as an ActiveRecord attribute type, like :string or :integer Research Look at the README for...
In this card we will learn to write code that scales with a large number of database records. We will...
Read the following chapters from The Pragmatic Programmer, anniversary edition (in our library): Chapter 1, Topic 3: Software Entropy...
Understand at least the following CSS concepts: Classes Selecting elements for styling Basic styling (color, typography, spacing)
Understand why we test: Low defect rate without a QA department. Customer acceptance testing can concentrate on new features...
Rails is our web framework. Goals Be able to write a simple Rails application. Understand how Rails talks to the...
Ruby is the programming language we use on the backend. Goals After finishing this lesson you should be able to...
If you need to follow links, click buttons, etc. using Capybara inside an , you can do it like this:
Developing complex regular expressions quickly blows my mind. Here are some online regex editors that help you by highlighting matching...
When you register a delegated event using on (or the deprecated delegate / live), it is somewhat hard to manually trigger...
sslscan is a nice tool to show details about TLS/SSL connections: ~> sslscan some-host-at.makandra.de Testing SSL server some-host-at.makandra.de on port 443...
If you have FactoryGirl traits like this: factory :movie do title 'Sunshine' year 2007 trait :vintage do year 1951
Please don't use the horrible datetime_select helper. It has a terrible UI. Always prefer to use a visual...
When using Savon to connect a SOAP API, you may want to use Savon::SpecHelper to mock requests in your...
Jasmine has a jasmine.clock() helper that you can use to travel through time and trigger setTimeout and setInterval callbacks:
You might wonder about this request in your test.log: Started GET "/__identify__" for 127.0.0.1 at 2015-04-29 18:00...
jquery-placeholder is a simple jQuery plugin that enables form placeholders in browsers that do not support them natively, i.e...
TL;DR Under certain circumstances, dynamically defined symbols may break keyword arguments in Ruby 2.2. This was fixed in Ruby...
In RSpec you can tag examples or example groups with any tags you like simply by saying describe ReportCreator, slow...
Code folding is a very useful feature to me. It gives me a quick overview over a file and keeps...