21 Ruby Tricks You Should Be Using In Your Own Code

21 Ruby Tricks You Should Be Using In Your Own Code

Some of these are good tricks, some are blindingly obvious to decent programmers, some are unnecessary, and some are actually bad (all IMHO, of course). They are certainly not all things we "should" be using in our own code. 1. Good tip, but the first line is wrong, I think. 2. As Array#join is so prevalent, I think it should be continued to be used in place of the utterly unmnemonic * . 4. The Ruby idiom for interpolating text is #{}. Using the C equivalent is just going to confuse people (even if just for a second). 7. What's wrong with z = ['test'] ? 8. If this is such a good tip, let's see a good example! 9. This, like a lot of these tips, is predicated on shorter code being better. Most of the time I would agree, but I see no point in using 'and' here instead of just putting a separate operation on a separate line. Besides, wouldn't 'or' work just as well? That's the ...

Full article: http://www.rubyinside.com/21-ruby-tricks-902.html