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Whence Array#each_slice()?
I just ran into what looks like a documentation problem in Ruby 1.8.6 (maybe other versions). If you want to use: …you’ll need to: …beforehand. However, the Ruby documentation doesn’t seem to mention...
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Data Matters, but So Do Algorithms
I just read this post about the importance of data over applications. It reminded me of a passage from Eric Raymond, in The Cathedral and the Bazaar, where he paraphrased Fred Brooks: Show me your code...
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Rails, Git and Empty Directories
It seems that Git ignores empty directories by default, just like Mercurial. Unfortunately, when you create a new Rails project, you also create empty directories. You can use this bash function (e.g....
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Making Ruby work with SELinux on Fedora
The version of Ruby that comes with Fedora 12 is: I wanted to try some things with the latest version of Ruby which is 1.9.1-p376. So, I compiled it and installed it into /usr/local/ruby-1.9.1-p376...
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Making a Sinatra Web Application Work as a CGI
Here’s how I got a Sinatra version 1.0 web application to work via CGI using Rack version 1.1.0 behind an Apache httpd version 2.2.15 web server on Fedora 13 Linux. There are many ways to get a client...
View ArticleDocumenting Ruby on Rails.
It’s a tricky business criticizing something that was given to you for free (don’t look a gift horse in the mouth, right?). However, if that thing is a tool, and you intend on using it, it isn’t...
View ArticleRails, Rake, Fixtures, and Accomodating DB Table Constraints
I needed to auto-load test fixtures into my development environment. There’s a nice feature in Rails 1.1.0 where you can run rake db:fixtures:load which does almost everything I want. However, it...
View ArticleVoting on Rails Documentation
I was just reading this article and it occurred to me that Rails might benefit from something like this: “Can we stop pretending? Can you just mark everything as Undocumented until you get around to...
View ArticleRails and Database Table Constraints
As far as I understand, Rails doesn’t provide “adequate” (whatever the definition of that may be) support for database table constraints. As you are probably well aware, it’s part of the design...
View ArticleFunctional Programming Example: Python vs. Ruby
I was recently reviewing some of the forthcoming changes to Python in version 2.5, and came across a nifty little bit of functional programming. As far as I can tell, there is no direct analog in Ruby,...
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