Hi, I am Jan. This is my old Ruby blog. I still post about Ruby, but I now do it on idiosyncratic-ruby.com. You should also install Irbtools to improve your IRB.

Project Euler 19, 20, 21, 22, 23, 24, 25 (Ruby)

September 2010, ruby · ruby1-9 · hints · one-liners · euler

The next pack of Project Euler solutions.

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Little heplers for Ruby print debugging

September 2010, ruby · hints · irb · working-environment · one-liners · zucker

Not everyone likes debuggers. I rather print the debug values myself – it works and I do not need to learn a debugger :P

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How to properly check for your Ruby interpreter, version and OS

September 2010, ruby · gem · hints · tutorial · zucker

Zucker 4 adds accessors to some environment information:

OS: returns the current operating system
RubyEngine: returns the current Ruby implementation
RubyVersion: returns the current Ruby version

And here is how it works.

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