Looks like ActiveState is trying to market a new Ruby distribution for Enterprises: ActiveRuby Enterprise Edition is designed for businesses...

There are various ways to run external commands from within Ruby, but the most powerful ones are Open3.capture3 and Open3.popen3...

Occasionally, you have to talk to APIs via HTTPS that use a custom certificate or a misconfigured certificate chain (like...

run-one is a wrapper script that won't run the given command while another instance of it is running...

Using the dialog command you can launch ASCII-art dialogs from your shell scripts. Check out man dialog for a...

Add the following to /etc/rc.local: (sleep 3 && echo disable > /proc/acpi/ibm/bluetooth)& Bluetooth icon will be active for a few seconds, then...

Line-height and vertical-align are simple CSS properties. So simple that most of us are convinced to fully understand...

Below is a list of some VIM settings I find useful. You can add them to your .vimrc. source $VIMRUNTIME/mswin.vim...

Sometimes your code has long lines: describe 'foo' do describe 'bar' do really_long_line_really_long_line_really_long...

As web developers, we know how easy it is to end up with web page bloat. But loading a webpage...

You can easily have a JavaScript hash/object that returns a default value for unset keys/properties -- as long as you need...

A collection of code snippets which return a boolean value for a regex comparison. regexp.match?(string) # Recommended for Ruby >= 2.4...

There seems to be a nasty bug in Chrome 56 when testing with Selenium and Capybara: Slashes are not written...

To create a 10 GB file: fallocate -l 10G huge_file.dat

Adding a gem means you take over the liability towards the external code. Checklist Based on "To gem, or not...

If the application under test makes sound, you probably want to disable this during integration testing. You can use the...

We generally use multiple application servers (at least two) and you have to search on all of them if you...

We have projects that have been developed using many different versions of Ruby. Since we do not want to...

If you use Angular 1.4+ together with Angular Animate, all ng-show, ng-hide, ng-class etc. are animated on...

If you have a replication error with MySQL and you know the "error" is okay (e.g. you've executed the...

On application servers, gems are usually bundled into the project directory, at a location shared across deployments. This is usually...

This error message may occur when rspec gets loaded by rake, e.g. when you migrate the test database. NoMethodError: undefined...

There are some inconvenient Gem dependencies. Resolve them by adding/modifying these lines in your Gemfile: gem 'guard-livereload', '>= 2.5.2', require...