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

If you have a PNG and want to know a pixel's alpha channel value, you can use Gimp:

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

odyniec.net

imgAreaSelect is a jQuery plugin for selecting a rectangular area of an image. It allows web developers to easily implement...

makandra dev
yconst.com

Freetile is a plugin for jQue­ry that en­ables the or­ganiza­tion of web­page con­tent in an ef­ficient, dynamic and re­spon­sive layout...

progfu.com

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

makandra dev
github.com

The gem author Jonas Nicklas highlights in a Google Groups post that the release is not backwards compatible to 1...

makandra dev

The very useful andand gem does not play very nice with Ruby's SimpleDelegator (or vice versa). This following will...

ebobby.org

A technique to vastly reduce the number of join model records that need to be stored in the database.

If you get a stacktrace complaining about uninitialized constant MysqlCompat::MysqlRes a system library update might broke your gem.

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...

perlstalker.vuser.org

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

The classical scenario: There's a parent div element and you want to center some arbitrary child element vertically inside...

When you have two models in a has_many, has_one or belongs_to association, the :inverse_of option in...

Modern cameras often produce JPEGs that have a "I should be rotated 90° to the left" flag. If you process...

Capybara gives you two different methods for executing Javascript: page.evaluate_script("$('input').focus()") page.execute_script("$('input').focus()")

coding.smashingmagazine.com

JavaScript engines such as Google’s V8 (Chrome, Node) are specifically designed for the fast execution of large JavaScript applications...

Rarely, you might want to rebuild all gems with native extensions, because they might be compiled against outdated system libraries...

makandra dev
chrome.google.com

Ever wanted to preview a pattern from Subtle Patterns on your site without the hassle of swapping out images and...

thegleebox.com

gleeBox is an experimental project that takes a keyboard-centric approach to navigating the web. It provides alternatives to actions...