If you can now longer hear or record sounds after upgrading Ubuntu, you probably need to re-tell Ubuntu which...

So you have multiple screens under Xfce and want to have one task bar on each screen, only showing applications...

If you don't want to mess around with arcane incantations inside xorg.conf, you can use the graphical arandr tool...

Go to Settings Manager / Keyboard / Application Shortcuts Add a shortcut for the Print key that calls xfce4-screenshooter -f

Unlike in Gnome, there is no graphical tool to set a mouse cursor in Xfce. Run this on a terminal...

I am talking about development speed. When your application starts growing and you start adding gems, it starts to take...

This is super stupid: In the Thunar file manager, select the file Go to File / Properties / Open With (WTF!)

Since I use this a lot in my daily work and there were no scripts working properly for me, I...

Setup the mirror by following the steps described here. If you want to enable OS upgrades using do-release-upgrade...

While you can set your own font in your terminal or other tools, it will not change the default "Monospace...

If you require your Rails models manually, pay attention to the path you use. Unless you have...

Example task: Multiply the table holidays between several stages. Open two terminals: shell-for stage_1 shell-for stage_2...

Browsing the git stash is a bit tricky. Here is how to see the changes without applying them:

There is no reason to leave trailing whitespace characters in your project's files, so don't add any.

simple_format ignores Rails' XSS protection. Even when called with an unsafe string, HTML characters will not be escaped or...

If you type a command in your bash that doesn't exist you get this: bash: foo: command not found...

Note: Modern Rails has two build pipelines, the asset pipeline (or "Sprockets") and Webpacker. The principles below apply for both...

Keychain helps you to manage ssh and GPG keys in a convenient and secure manner. It acts as a frontend...

Under certain circumstances gettext_i18n_rails will hit a near-infinite loop. This occured in Rails 2.3.5 with Haml 3.0.18...

In a nutshell: return statements inside blocks cause a method's return value to change. This is by design (and...

This article describes how to reset MySQL's or MariaDB's root password on your workstation. It's meant for...

There are many fun Unicode characters like ▲ or ☯. You might be tempted to use them for graphical elements in lieu...

sudo apt-get install gnome-session-fallback or (alias) sudo apt-get install gnome-panel from a terminal.