This document, I assume by Jim Weirich made me understand where rake came from and it will hopefully also make it easier for me to understand getting a grip on how it ticks. This is something I need when working with tools. I found the above in this rake tutorial.
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In Ruby "and and or are control flow operators, not boolean operators".
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In the ruby koans I now came across array functions. One is collect and I thought, this is map, and the comment below said
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This article about closures in ruby started somewhere by saying "Ruby has four different ways of using closures, each of which is a tad bit different, and sometimes nonsensical".
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I was fighting a little bit with getting Michael Feather's delta-flora to run, but made it finally. My starter level of ruby knowledge made it not much simpler to get it to run :). But in the end I succeeded doing the following steps.
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I found this repo, which seems not to be the newest, but one (if not the only one) which provides some ways of refactoring for ruby.
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I know that the calling of functions can be quite noise-less, no parantheses and commas. But it also leaves me baffled at times. I can't get my head around this one either.
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One method three different return types
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