CSSmatic lets you play around with four rather complex CSS stylings and gives you CSS or SASS code to use...
Do not pass times to date attributes. Always convert times to dates when your application uses time zones. Background
Rails understands a :limit options when you create columns in a migration. Its meaning depends on the column type, and...
Guide how to make fixes in other people's GitHub repositories. It's basically "Open Source Development 101".
TL;DR: You should generally use #size to count associated records. size Counts already loaded elements If the association is...
Here is a hacky way to load dumps directly from the source server, without fully copying them over and extracting...
tl;dr: Do not use merge! for session hashes. Use update instead. Outline Let's assume you're modifying the...
MongoMapper is a MongoDB adapter for Ruby. We've forked it so it works for Rails 2.3.x applications running...
Ruby 1.9 changed the default behavior of Module.const_defined? from what it was in Ruby 1.8 -- this can be especially...
If you need to capture signatures on an IPad or similar device, you can use Thomas J Bradley's excellent...
This page lists many query methods and options in ActiveRecord which do not sanitize raw SQL arguments and are not...
UnicodeUtils implements Unicode algorithms for case conversion, normalization, text segmentation and more in pure Ruby code.
In our continued quest to extract proven code snippets from makandropedia into tested and upgradable gems, we have released Edge...
TLDR: Ruby class variables (@@foo) are dangerous in many ways. You should avoid them at all cost. See bottom of...
There is a bug in ActiveRecord 2.3.x that leads to changes in nested forms getting lost. class Project < ActiveRecord...
Microsoft provides virtual machines for different Internet Explorer versions. The images are available for various virtualization solutions, including VirtualBox...
January has been a very bad month for Ruby on Rails developers, with two high-severity security bugs permitting remote...
Consul 0.6.1+ gives you a way to dynamically access and query powers for a given name, model class or record...
We recently had a problem on a Memcache cluster, where one of the servers showed a significantly worse cache hit...
Behave.js is a lightweight library for adding IDE style behaviors to plain text areas, making it much more enjoyable to...
validates_uniqueness_of is not sufficient to ensure the uniqueness of a value. The reason for this is that in...
Calling bundle update GEMNAME will update a lot more gems than you think. E.g. when you do this...
If you worked with a system Ruby before switching to RVM, this system Ruby will be in your way when...
Geordi now has a script that runs capistrano with all known deploy targets (i.e. staging, production...). Use with geordi capistrano...