Tag Archives: Ruby

AWS EC2 Reserved Instance Auditing

If you’re running instances atop AWS, you’re probably at least bleeding money. If you don’t know what reserved instances are and/or aren’t using them, you are hemorrhaging money. One of the worst parts of AWS billing, is that they don’t … Continue reading

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Ruby Hash Extensions

As I mentioned before, one of the nice things about Ruby is its malleability. Here are a couple extensions to the Ruby Hash object: class ::Hash def random return self.keys[rand(self.size)] end def byValue(subKey) if subKey self.sort_by {|key, value| value[subKey]}.reverse else … Continue reading

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Ruby 2 From Source on CentOS 6.4

Ruby‘s autoconf doesn’t alert you to the fact that your system doesn’t have everything it could use. It’ll blindly clear you even though, for example, nothing crypto-related will work. On a fresh CentOS 6.4 install (with EPEL) the following will … Continue reading

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Ruby String.each

While I find Ruby to be a half-assed attempt at an object-oriented Perl, I have been using it quite a bit lately to stay consistent with a lot of existing intellectual property. One of the more maddening things is that … Continue reading

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