You know there is the du command to fetch the disk usage of a directory (“.” in this example). By default...
When using the resource_controller gem you often hook onto events like this: update.before do do_something end
To check your apache2 config files for syntax errors run sudo apache2ctl configtest or shorter sudo apache2ctl -t
In order to request a SSL certificate from any dealer, you usually need a CSR certificate. As both the CSR...
This snippet makes links that refer to an anchor (like "...
...") scroll softly to it.\ In this example we only do...
If you would like to enrich your website with semantic markup like contact data, places or events you should have...
Note: In Rails 3+ you can use Array.wrap instead of the solution here. In the past you could use Array...
I found a nice script on crazylittlehacks and modified it slightly. Put the attachment to /usr/local/bin, chmod +x and run...
XPath matchers can be combined with CSS-selector matchers. This is really useful if not, for example, the content of...
If you want to enforce soft tabs (spaces instead of tabstops) in Vim put this into your ~/.vimrc (Linux) or...
Copy the attached Ruby code to config/initializers, or paste it into your IRB console. You can now dump any two...
Update: Staticmatic will not be further developed. They suggest to switch to middleman. If you need to make a static...
Put the attached file into config/initializers/ to be able to say created_within on any ActiveRecord or its scope chain...
When you do a git add . and have deleted files, git won’t stage them to be commited (as deleted...
Deprecated ways to execute shell code in Ruby This is just a reference for legacy code. For new code, always...
You probably already manage servers you often connect to inside the ~/.ssh/config file. What is nice: you may define alias...
When your cucumber features grow massively over time, the test execution can take a lot of time.
If you copy the data files of a VirtualBox machine to another PC without exporting it as an .ova appliance...
Soon after having written our shell-for script, we wanted to easily get dumps of our productions machines, too. This...
After having written useful scripts into makandra notes for a long time, we’ve now tied them into a powerful...
This card shows you how to center a float horizontally in CSS. Also: find out what techniques are available for...
If you manipulate the DOM with JavaScript and your page contains nested elements with position: relative, chances are Internet Explorer...
Recent versions of the Faker gem retrieve their strings from your locale file (e.g. config/locale/de.yml). This leads to awesome errors...
Since May 2011 we are cutting new gems using Bundler, which is less painful than cutting gems using Jeweler. You...