The Javascript in operator does what Hash#has_key? does in Ruby: Return whether an object has a property.
To find a hash key by it's value, i.e. reverse lookup, one can use Hash#key. It's available...
With ActiveSupport you can say: class Robot def self.likes_humans? 'Nope.' end delegate :likes_humans?, to: :class end Robot.likes_humans...
Jonas Nicklas, the author of Carrierwave and Capybara, has released Refile, a gem for handling file uploads in Rails. It...
Databound provides Javascript a simple API to the Ruby on Rails CRUD. Tries to expose a full model CRUD as...
Rails guide that covers PostgreSQL-specific column types and usages for Active Record. You should especially keep in mind the...
Chances are you're seeing the warning repeated a lot of times, maybe thousands of times. Here's how to...
If you want a class-like construct in JavaScript, you can use the module pattern below. The module pattern gives...
Traveling Ruby is a project which supplies self-contained, "portable" Ruby binaries: Ruby binaries that can run on any Linux...
Upgrading from Ruby 1.8.7 to 2.1.2 took me an hour for a medium-sized application. It involved hardly any changes...
For our production servers we use Passenger as a Ruby application server. While it is possible to use Passenger for...
Using this gem I could get JSON generation from a large, nested Ruby hash down from 200ms to 2ms.
Firefox 5.0.1, which we were using for most Rails 2.3 projects, does not run on Ubuntu 14.04 any more. Here...
If you have this problem when you update your FreeBSD Ports: ===>>> Launching child to update ruby19-iconv-1.9.3.547,1 to...
We upgraded a Rails 2 application to Rails 3.2 and Ruby 2.1, changed the mysql adapter from mysql to mysql2...
Create beautiful Javascript charts with one line of Ruby. Promising chart library for easily rendering charts with Google Charts.
tl;dr: Use with_index ActiveRecord's find_each with index If you do not provide a block to find...
Nice tutorial about packaging Ruby bindings to your API in a Ruby gem, with tests using VCR casettes.
There are different ways to run rake: On Rails 4.1+ projects, you have Spring and its binstubs which dramatically improve...
The flip-flop operator is a hotly contested feature of Ruby. It's still struggling to find an idiomatic use...
We will be installing rbenv and ruby-build from our own fork, not from the Ubuntu sources. Installing rbenv
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...
Great gem to consume RSS feeds. I was missing some features on Ruby's RSS::Parser that I found in...