RubyGems 1.6.0 has undergone some changes which may cause Rails 2.x applications to break with an error like this...
Paperclip uses the imagemagick resize options like 100x50> , 100x50<, 100x50# etc to resize images. See the link what options are...
On 32bit systems, the maximum representable Time is 2038-01-19 03:14:07 in UTC or 2038-01-19...
This tool is used on our application servers (and called when deploying) but it also works locally. Just call dumple...
The code below shows a method #validate which uses Nokogiri to validate an XML document against an XSD schema. It...
Note: Consider not doing this. Use form models or vanilla methods instead. The :conditions option for Rails associations cannot take...
When defining a trait using the Modularity gem, you must take extra steps to define constants to avoid caveats (like...
In case https://www.rubydoc.info/ is to slow or offline, you can also read a gem documentation offline. Start a server...
Are you adding a "Then show me the page" and re-run Cucumber whenever there is a failing scenario? Don...
It's that simple to allow one of your Linux users to run a single command as UID 0:
Call geordi clean from a project root to remove unused and unnecessary files inside it. This script is part of...
So you added a new callback to your model that (e.g.) caches some data when it is saved. Now you...
You can usually just use the eq matched to compare two numbers: expect(deal.total).to eq(120)
Ruby's net/http is setup to never verify SSL certificates by default. Most ruby libraries do the same. That means...
Use the htmlentities gem. Encoding works like this: require 'htmlentities' coder = HTMLEntities.new string = "<élan>" coder.encode(string) # => "<élan>"
Use the Launchy gem: Launchy.open('http://www.ruby-lang.org/')
When a has_many association basically serves to store a list of associated strings (tags, categories, ...), it can be convenient...
E.g. when you're using a tagging gem, you have seen virtual attributes that get and set a string array...
In order to go back one page in your Cucumber tests, you can use the following step definition for Capybara...
Plugins (and gems) are typically tested using a complete sample rails application that lives in the spec folder of the...
To install webmock 1.5.0: sudo gem install webmock --version "=1.5.0" or sudo gem install webmock -v "=1.5.0"
As a user of Bundler you have spent significant time looking at this message: Fetching source index for http://rubygems.org...
Given this class: class Foo class Bar end end If you want to clean up this code with the modularity...
This is a bash script for those of you who need to install all gems for all projects (e.g. to...