In Capistrano 2, directories in shared_children used to be symlinked to the shared directory during the finalize_update task...
tl;dr: Use event.currentTarget unless you are absolutely certain that you need event.target. Since it hasn't been written down...
The team is responsible for building great software—that’s it. It’s the only thing the team is responsible...
If you need the debug output of the puppetmaster running with passenger you have to uncomment this setting in the...
Your after_commit callbacks will not know about changes, as Rails discards them when committing. The linked article shows a...
iPads will not trigger click events for all elements. You can fix that, but you don't want to know...
This blew my mind today: 12 Little-Known CSS Facts 12 Little-Known CSS Facts (The Sequel) Please make sure...
Very detailed guide to caching Ruby on Rails. Goes well with the official Rails guide on caching.
Running projects parallel makes some trouble with PDF generation. Use geordi rspec spec to force sequential tests for the whole...
If you see a stacktrace beginning with lines like this: E, [2015-07-16T09:23:10.896146 #23308] ERROR -- : app...
Sometimes you need to run background jobs that you can't make important guarantees about - they may run out of...
If a SOAP API expects you to call a remote method with arguments of complex types, Savon lets you manually...
Large projects usually have large test suites that can run for a long time. This can be annoying as running...
As developers we are dealing with many tasks every week. We need a system to organize ourselves. Goals After completing...
How can a client blame you for a cab driver’s mistake? How can a conference organizer hold you accountable...
Understand the differences between git diff and git diff --staged (or git diff --cached) Understand the difference between git...
Get an idea of the varying support for HTML/CSS/JavaScript features in different browsers like Chrome, Firefox, Internet Explorer, Edge...
Learn Enough Command Line to be Dangerous (it's in our library => Google Drive) CLI tricks every developer should...
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...
Understand what Memoization is and when it can be useful. Understand the @variable ||= computation pattern. Learn how to use...
In this card we will learn to write code that scales with a large number of database records. We will...
Understand why we use pagination Exercises Create 7500 movies in MovieDB (hint: Doing it in a single transaction is...
Learn to read and write Haml. Understand the different attributes syntaxes (curly braces vs. round parentheses) Exercises Convert MovieDB...