The first thing most people do when starting a new Rails project is to use the rails generator to create the basic application structure.

By default you’ll be using the most recent version of Rails that’s installed on your system, for example:

Yesterday, I asked Twitter:

Rails programmers: what's an example of one thing you find in other people's Rails 
code that you (almost) always consider to be wrong?

Quite a few people responded, and several asked if I’d post the aggregated answers. Here’s an attempt. I don’t necessarily agree with everything here. I’d love to hear more of these in the comments.

1. Code in Views

@greg_fu

Update: Thanks to some feedback I rewrote Enumberable#filter so it doesn’t use ‘eval’. It’s a bit less flexible now and I also like the syntax less, but at least it doesn’t eat puppies for breakfast. As the disclaimer said, maybe it was a bad idea to begin with.

As much as I like Ruby, some constructs I just don’t find too sexy, e.g.:

[1,2,5,8,7,3,1,9,5].select { |x| x < 5 }

That’s why I came up with an alternative solution which I find reads nicer than the above code:

Episode 73. is subtitled “Somewhere over the Rainbow”, but you’ll have to listen to find out why. This episode Jason and I are in the same room! As you might expect, much hilarity ensues.