In order to navigate through the browser history. you can manipulate the window.history object via javascript like follows:

All our projects have enum-like requirements like this: An attribute value must be included in a given set of...

Controller responses often include Javascript code that contains values from Ruby variables. E.g. you want to call a Javascript function...

stackoverflow.com

This is for you if Passenger gives you the following useless error message. Passenger encountered the following error:\ The application...

wholemeal.co.nz

If you cannot install the gem 'RedCloth' via bundle install you might want to try the following. Specifying extra build...

Geordi, our collection of command line tools, has been extended by another command deploy-to-production. This script encapsulates the...

After installing Bundler 1.1 you will get the following warning when running tests: WARNING: Cucumber-rails required outside of env.rb...

weblog.jamisbuck.org

How to get a backtrace from a running Ruby process: Ruby 2.6 # First, find out the PID of your Ruby...

robots.thoughtbot.com

TL;DR {} binds stronger than do … end (as always in Ruby, special characters bind stronger than words) Demo

This card needs to be updated for Rails 3+. Since there is no --debugger flag you need to run:

The following two hints are taken from Github's Ruby style guide: If your regular expression mentions a lot of...

stackoverflow.com

This will give you the string that appears most often in an array: names = %w[ foo foo bar bar bar...

Capybara has a global option (Capybara.ignore_hidden_elements) that determines whether Capybara sees or ignores hidden elements.

After you configured your ODBC describe in Fix [RubyODBC]Cannot allocate SQLHENV when connecting to MSSQL 2005 with Ruby 1.8.7...

I followed this nice guide Connecting to MSSQL with Ruby on Ubuntu - lambie.org until I ran in the following errors...

slate.com

Nice article to educate your non-geek girlfriend/boyfriend about the joys of programming.

github.com

Pour color on your Rails console with awesome_print. Turn confusing long strings into formatted output. Have objects and classes...

Install libreadline: sudo apt-get install libreadline-dev Reinstall the ruby and tell rvm where to find readline

Bundler 1.1 has been released. With this version you no longer need to wait for this: Fetching source index…

If you get this: Installing typhoeus (0.3.3) with native extensions /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem...

Your current ruby must be Ruby Enterprise. gem install passenger passenger-install-apache2-module Edit your httpd.conf according to the...

github.com

When trying to install the gherkin gem, you might encounter an error with the following lines: ERROR: Error installing gherkin...

Let's say you have two XML strings that are ordered differently but you don't care about the order...

makandra dev

When you are calling a method that may raise an exception that you don't care about, you might think...