Ruby August 2012 Archive

Question:  I see these methods called taint, trust, untaint, untrust, tainted? and trusted?, but I can't seem to figure out what they do.  I change them, the flags seem to ... Read More

Question:  I'm trying to modify a frozen string, but I keep getting this exception that says "can't modify frozen String."  How do I get around this? Answer:  You can't, but there ... Read More

Say you want to double every number in a list, or transform every element of an array into something else.  You could iterate over the array and build a new ... Read More

Quick, how do you sort an array?  How you answer this depends on where you're coming from.  If you're a C programmer, you might go on about the merits of ... Read More

OK, so you know how to create Arrays with Array literals, but what now?  There's not much you can do with simply creating Arrays from literals and iterating over them. ... Read More

It's impossible to escape Arrays.  They're the main (and really only) way of handing ordered collections in Ruby.  And while there are about a thousand different things you can do ... Read More

This article is a handy hub to all of the Hash content on this site.  It provided a summation of all the articles, why you might want to read them, ... Read More