The default behavior of Calc is that when you paste cells from the clipboard, it overwrites whatever cells occupy the...
After installing Bundler 1.1 you will get the following warning when running tests: WARNING: Cucumber-rails required outside of env.rb...
How to get a backtrace from a running Ruby process: Ruby 2.6 # First, find out the PID of your Ruby...
Solution to share a todo.txt file over Dropbox and make it editable on Android und iOS devices. Also comes with...
validates_acceptance_of :terms only works if terms is set to a value. The validation is skipped silently when terms...
When you create a new branch and push it to origin, you won't be tracking it. This means a...
You won't usually have to do this. It's OK to route all formats to a controller, and let...
When talking to your MySQL server via a mysql shell, you can terminate queries by ; or \G -- the latter gives...
The following two hints are taken from Github's Ruby style guide: If your regular expression mentions a lot of...
This is a demo of the "Tabby" Javascript jQuery plugin to use tabs in regular textareas to make them suitable...
KeyboardJS is a library for binding to keys or key combos
Usually you don't need to, but when you want to see which queries your MySQL server currently needs to...
Capybara has a global option (Capybara.ignore_hidden_elements) that determines whether Capybara sees or ignores hidden elements.
In some older Capybara versions (e.g. 0.3.9), we're getting lots of deprecations warnings: Selenium::WebDriver::Element#select is deprecated...
This is one possibility to do this. There are other and maybe even better ways to do this.
When you do a script/dbconsole -p, your MySQL shell will already be using UTF-8. When you call it yourself...
We love Markdown. We use it wherever we can for text formatting. In a web app, the obvious place for...
This is surprisingly difficult when there is a with the same text on the page, but you really want to...
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…
Online tool to test how a site behaves in popular desktop, tablet and phone resolutions.
This article shows how to create a Sass mixin for a colored button. The button's foreground color is dynamically...
If you want to know your public key's fingerprint, do this: ssh-keygen -lf ~/.ssh/my.key.pub This may be necessary...