How to get a backtrace from a running Ruby process: Ruby 2.6 # First, find out the PID of your Ruby...
The following two hints are taken from Github's Ruby style guide: If your regular expression mentions a lot of...
Capybara has a global option (Capybara.ignore_hidden_elements) that determines whether Capybara sees or ignores hidden elements.
Online tool to test how a site behaves in popular desktop, tablet and phone resolutions.
If your project manager wants to do gatekeeping on a project, as a developer you need to follow the following...
If you're responsible for gatekeeping in a projects, here is a guide, what to do. In order to reduce...
You want Photoshop to always open files with "full" (100%) zoom and not try to fit them to your screen...
SkypeTab-NG (NG stands for Next Generation) is a tool that adds tabs to Skype for Linux. Besides providing a...
If you're using Paperclip to store and convert images attached to your models, processing a lot of images will...
The unix command line tool less is a good choice for browsing logfiles. In the standard configuration, though, it does...
When internationalizing your Rails app, you'll be replacing strings like 'Please enter your name' with t('.name_prompt'). You...
To reduce download time, application servers usually serve content using gzip compression, if the browser supports it.
There are several options, but most of them are impractical. The best way is to use the :ruby filter:
When you install Type 1 fonts (like makandra's corporate typeface), they won't show up in OpenOffice. OpenOffice requires...
When using the screen tool you may be unable to start a screen session but instead encounter an error:
The colors in Rails log files are helpful when watching them but, since they are ANSI color codes like ^[[4...
There is a new card about how to do this with the new AWS Command Line Interface
whatsmydns.net is an online service that allows you to instantly perform a DNS lookup to check a hostnames current IP...
If you use Amazon AWS cloud services you definitively want to utilize software raid for IO intensive stuff such as...
When you have a program running in a hidden X screen (like with Xvfb for Selenium tests) you may want...
When you do a bitwise copy using the dd tool you will not see any output until it completes or...
cpulimit is a simple program which attempts to limit the cpu usage of a process (expressed in percentage, not in...
This card explains how to upgrade an existing RubyMine installation to a newer version. If you're installing RubyMine for...
To activate the shell command, go to Tools > Create Command-line Launcher and confirm. Now you have mine as bash...