Note: For PostgreSQL you should use advisory locks. For MySQL we still recommend the solution in this card.

web.archive.org

When you have a Cucumber step like Then I should see "Did you see those \"quotation marks\" over there...

makandra dev

There is no good equivalent for the Unix sudo command in Windows. Below are a few workarounds that are all...

To open a terminal quickly navigate to System → Preferences → Keyboard Shortcuts. There, click the "Run a terminal" row (It should...

On 32bit systems, the maximum representable Time is 2038-01-19 03:14:07 in UTC or 2038-01-19...

blogs.msdn.com

What are Google’s plans for turning WebM into a genuinely open standard, one that is based on consensus like...

makandra dev

When you delete a file with rm it's still possible to recover the file or parts of it. Use...

makandra dev

This tool is used on our application servers (and called when deploying) but it also works locally. Just call dumple...

To test whether two arrays have the same elements regardless of order, you can use the =~ matcher in RSpec < 2.11...

The code below shows a method #validate which uses Nokogiri to validate an XML document against an XSD schema. It...

When you need to bulk rename files you can not call "mv *.foo *.bar" to change the extension of all...

In order to bring up a textual description of a Capistrano task you can say cap -e taskname ... where taskname...

cyberciti.biz

To list the name and version of your Linux distribution, type the following: cat /etc/*-release

makandra dev
code.google.com

Javascript that implements client-side hyphenation of HTML-Documents.

When you use the send_file method to send a local file to the browser, you can save resources on...

When you try to remove a non-existing index using remove_index, the migration will incorrectly pass without an error...

widgetsandshit.com

Some people, when confronted with a problem, think "I know, I'll use a queue." Now they have an unbounded...

getfirebug.com

You know Firebug as a Firefox extension but there is also a "Lite" version which runs purely off JavaScript.

babushka.me

The idea is this: you take a job that you'd rather not do manually, and describe it to babushka...

A check if two date or time ranges A and B overlap needs to cover a lot of cases:

Note: Consider not doing this. Use form models or vanilla methods instead. The :conditions option for Rails associations cannot take...

alfajango.com

The difference between .bind(), .live(), and .delegate() is not always apparent. Having a clear understanding of all the differences, though...

Sometimes it is useful to define a named scope by implementing a static method with the scope's name on...

Given those modules: module A def foo; end def bar; end end module B end When you want to call...