Hash#fetch is a great way to ensure that a hash key is present. The error message when a key...
Rails migrations allow you to use a change method whose calls are automatically inverted for the down path. However, if...
Upgrading from Ruby 1.8.7 to 2.1.2 took me an hour for a medium-sized application. It involved hardly any changes...
Restangular can make use of $http's built-in response cache. # Cache response for single request Restangular.one('accounts', 123).withHttpConfig...
If you have issues with PDFs, fix them like this: pdftk .pdf output .pdf Background I had an issue where...
The asset pipeline changes the paths of CSS files during precompilation. This opens a world of pain when CSS files...
In addition to the {{ myValue }} two-way binding syntax, since Angular 1.3 there's a one-time binding syntax, prefixing...
Since we are using LoDash instead of UnderscoreJS in recent/current projects, you should keep in mind that their syntax is...
Creating records in specs can be so fast that two records created instantly after one another might have the same...
Modern browsers natively suppport file pickers that allow the user to choose multiple files at once. To activate this feature...
class Document < ActiveRecord::Base scope :any_tags, -> (tags){ where('tags && ARRAY[?]', tags) } scope :all_tags, -> (tags){ where('tags @> ARRAY...
Cookies without an expiration timestamp are called "session cookies". [1] They should only be kept until the end of the...
Use reorder to replace an existing order clause with a new expression.
The flip-flop operator is a hotly contested feature of Ruby. It's still struggling to find an idiomatic use...
# config/initializers/sidekiq.rb # Perform Sidekiq jobs immediately in development, # so you don't have to run a separate process.
Though nowhere to be found in the official docs, this works just fine. describe Facebook::Post do it_behaves_like...
By default git diff highlights whole lines as changes. To diff on a word-by-word basis you can say...
Yesterday, Rails fixed a security issue (CVE-2014-3514) in Rails 4+. It was possible to use .where...
These two addons will change your life: Search as list This will always open search results in the list views...
Microsoft Exchange service administrators can enable Exchange Web Services (EWS) which is a rather accessible XML API for interacting with...
require 'net/http' module Cheat extend self # the magic ingredient def host @host ||= 'http://cheat.errtheblog.com/' end def http @http ||= Net...
Unfortunately, the hidden emoticons are some of the most expressive and useful ones. Hidden codes (skype) (ss) (call) (talk)
Due to network or hardware failures, it can happen that one of your cronjobs will not run at the time...
Customizable font for programming.