Embedding videos on a website is very easy, add a tag to your source code and it just works...
Because colors improve readability so much. On Ubuntu 18.04 you can install it with sudo apt install grc
Sometimes it's nice to have some coloring in your logs for better readability. You can output your logs via...
To set a default Node version for new shells, use nvm alias default : nvm alias default 1.2.3
Debugging image color profiles is hard. You can't trust your eyes in this matter, as the image rendering depends...
SimpleScreenRecorder I recommend simplescreenrecorder, it produces an adequate output with only a few clicks. The audio recording contained some...
Im using the terminator terminal with the keyboard shortcut Control+Shift+E for splitting the terminal. I got used to...
Rubygems supports a 2FA for your account. Once enabled you need to provide your personal OTP code for every release...
This is a bookmarklet you can add to Chrome or Firefox which will allow you to create a story in...
When text renders differently in Firefox and Chrome, it may be caused by a font alias that both browsers handle...
There is a practical short list for valid/invalid example email addresses - Thanks to Florian L.! The definition for valid emails...
When using Chrome for Selenium tests, the chromedriver binary will be used to control Chrome. To debug problems that stem...
The main benefit of our convention to prefix commits by their corresponding Pivotal Tracker ID is that we can easily...
There are several ways to merge two (or more) PDF files to a single file using the Linux command line...
If you use webpacker in your Rails application, and you have completely disabled Sprockets, you might get the following error...
webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...
From Ubuntu 17, rbenv fails to install Ruby below 2.4 because of a mismatching OpenSSL dependency: it needs libssl1.0-dev for...
Inspecting the source of an email does not always reveal the plain HTML source, but some encoded byte mess. In...
Jasmine has long standing support for writing asynchronous specs. In days gone by we used the done callback to achieve...
The gem json fails to install for Ruby 2.5 if you use a version equal or below 1.8.3.
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
Not all versions of Node.js are compatible with each other. Also npm packages may require a minimum or maximum version...
The issue in this card can occur if the node_modules directory is checked into your Git repository. We usually...
Set up a package root in your homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages"