I upgraded to Rails 2.0 today, and found that countercache columns were suddenly :readonly, which means that you can’t update them with your regular old model.associationcount = model.association.count routine. So, I whipped up the following ActiveRecord patch.

module TagTeamInteractive module ActiveRecordSynchCounters […]

Posted in Ruby/Rails 1 Comment »

Yesterday, I discovered RubyInline. In short, it’s a gem that allows you to write Ruby extensions in C.

I decided to see what I could do with it.

Posted in Ruby/Rails, Software Development, Hacks No Comments »

My first Rails plugin is working! I won’t quite say finished, as it includes no formal tests or migrations, but I’ll get that packaged up in due time.

I recently found myself wanting to move my MySQL database from MyISAM tables to InnoDB tables. The primary reasons for this are:

InnoDB supports transactions InnoDB supports row-level locking, as […]

Posted in Ruby/Rails, Software Development 17 Comments »

One of the annoying things about Rails is that it goes so far to connect pieces of the database together for you, but it doesn’t have the ability to automatically do validations or associations based on the schema data. A VARCHAR(30) NOT NULL is always going to need validates_length_of(:field, :in => 0..30), and validates_presence_of(:field), right? […]

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RJS is a great little tool for interactively updating pieces of a page in response to some AJAX action, but it tends to fall short when you want to do anything beyond blinding dumping content into a page. Dan Webb has written a plugin called “MinusR” that basically flips RJS templates on their head. Instead […]

Posted in Ruby/Rails, Javascript/AJAX No Comments »

Rails has the really nice ability to store an AR model object in the session for easy access. Additionally, it obeys the following rules:

If obj.new_record? == true, then any associations on the object will be saved in the session as well. If obj.new_record? == false, then any associations whether association.new_record? == true […]

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See the Prototype announcement and the Scriptaculous announcement for more info and changelogs.

In short, it’s a lot faster, memory leaks are fixed, and there are a number of new features including sound support (which I don’t think I’d use, but which is still cool). I tried it out tonight in my personal work, and the […]

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I’ve managed to get FastCGI running through Apache, and will be testing its performance in the context of Rails in the next few weeks. I haven’t done any formal testing, but it feels faster than my current Apache ProxyLoadBalancer -> Mongrel setup.

Posted in Ruby/Rails, Apache No Comments »