Ruby Weekly is a weekly newsletter covering the latest Ruby and Rails news. Rails 3 is great. RSpec 2 is great. And Ruby 1.9.2 is really great. Getting them all running together and quickly, however, isn't entirely straightforward. In this post I demonstrate how to get everything ticking over along with automatically running, super-snappy test runs. The ultimate outcome is using Ruby 1.9.2 (though

Because single table inheritance (STI) has been invaluable to me in some recent Rails projects, I thought I’d try to dispel a little of its negative reputation by writing about some reasons you might use it, when to avoid it, and some tips for working with it. If you gave up on Rails’s STI a while ago because it required too many workarounds, I’d recommend giving it another look, as some annoyance

What is the current status of  Ruby on Rails 3.1?We all know that there isn’t a fixed roadmap/release date for Ruby on Rails 3.1, but there are definitely rumors about the new features and improvements. Yehuda Katz, a member of the Ruby on Rails core team, said “With 3.1 we’ll go back to basics and look at things that are less invasive internally, but could have a big impact on developers. If you

Railsに関するチュートリアル、ハウツーやTipsの覚え書きhtmlタグを含む文字列からhtml tagのみを取り除きたい場合には、次のように正規表現を使ってhtml tagの部分を取り除きます。 str = "<a href="example.com">残したい文字列</a><br /><h1>見出し</h1>" puts str.gsub(/<\/?[^>]*>/, "") # 残したい文字列見出し railsを使っている場合は ActionView::Helpers::TextHelperの中にstrip_tagsというメソッドがあるため、上記のように文字列中のhtmlタグを除去したい場合は、 strip_tags str として簡単に処理できます。

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In a great post about named routes in Rails, path vs. url, Viget Labs ponders which variant is best used. Most often we use foo_path, which when used in Rails URL helpers will generate a relative path, where foo_url generates a full URL. In most cases the path makes most sense, but not always. Prerequisites to coax the url_for dragons out of hiding A web server that is listening to any incoming re

This patch adds two tasks: * db:migrate:engines * db:migrate:engines:down The first one allows to run all the migrations stored in the db/migrate directory of each plugin. It runs migrations in the same order Rails::Initializer register the plugins, this means if you force an order by environment.rb, it will be reflected on migrations order. Example: You have four plugins in your app: apple, bar,

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THIS INFORMATION IS OUT OF DATE!  Since Rails 3.2, you can easily include static assets in your engine using the “app/assets” folder.  This post is only applicable for older versions of Rails, and still not suggested for production systems. Engine-ish One of the big changes in Rails 3 is the move to “everything is an engine”.  You end up reading a lot about this in relation to plugins, mentioning

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David Heinemeier Hansson is a Danish programmer and the creator of the Ruby on Rails open source web development framework. He is also a partner with Jason Fried at the web-based software development firm 37signals. In 2005 he was given with the Hacker of the Year by Google and O'Reilly award for his creation of Ruby on Rails. He and Fried have also co-authored the New York Times bestseller "Rewor