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

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...

perlstalker.vuser.org

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

developer.mozilla.org

Having your site run on SSL is worthless when you include content over an unsafe connection (HTTP).

makandra dev
github.com

Richard Powell presents a collection of CSS styling advice that's mainly taken from SMACSS. Although at makandra we're...

StaticMatic is a nice tool to build simple static websites. In case you want to have some nifty styles on...

makandra dev

If a customer calls and tells you that she cannot see some content of her website beware of the following...

Every now and then, Java is subject to security issues where code can break out of Java's sandbox and...

Jedes nicht rein private Profil auf Social Media Portalen muss ein Impressum haben, das heißt insbesondere Unternehmen und Freiberufler (§ 5...

github.com

In Selenium features the server and client are running in separate processes. Therefore, when mocking time with a tool like...

makandra dev

The usage shares of your site highly depends on your target audience. E.g. no Internet Explorer has ever seen hollyapp.com...

makandra dev
robots.thoughtbot.com

The Rails community has been abuzz with object-oriented programming, SOLID principles, laws, design patterns, and other principles, practices, and...

ask.libreoffice.org

Upgade to LibreOffice 3.5.3+ or disable hardware accelleration in Tools → Options → LibreOffice → View → Graphic output.

You might have notices this behavior when you cut a selection or use the rubber tool. The behavior depends on...

Embedding bitmap images within PDF sometimes results in large files because the bitmaps are not compressed. If you don't...

Geordi, our collection of command line tools, has been extended by another command deploy-to-production. This script encapsulates the...

weblog.jamisbuck.org

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.

makandra dev
responsive.is

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...