Software engineering principles Read about the following software engineering principles and code smells: Single Responsibility Principle Law of Demeter
To change RAM size, VDISK size or VCPU count of an openstack instance you have to use nova resize. You...
Jasmine comes with two matchers that test for equality. The first is toBe: expect(first).toBe(second) toBe passes when...
The easiest way to freeze or travel through time in a Jasmine spec is to use the built-in jasmine.clock...
If you are writing any amount of Javascript, you are probably using closures to hide local state, e.g. to have...
The migration DSL now supports adding and removing foreign keys. They are dumped to schema.rb as well. At this time...
When running capybara with Chrome you might start seeing frequent "no alert open" errors when trying to interact with browser...
When you the following error: zsh: corrupt history file /home/marc/.zsh_history You can try and fix your history file by extracting...
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...
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...
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...