Interesting Things
- silly Ruby trick of the day -- does anyone know what this does?
while gets print if /foo/ end
This is an example from the Ruby "Pickaxe" book. No respected Rubyist actually writes such difficult-to-understand and obfuscated code. Though, it was mentioned, that terse syntax like this is useful for command-line hacking.
unstub!is a useful Rspec method that removes a stub from a previously stubbed object. This can be useful if you have stubbed, then mocked the same method, and you want to remove the stub.The unofficial community-developed iPhone app for Pivotal Tracker, is changing its name from iPivotal to PTCruiser. See the author's Twitter for more.
It does the same thing as
which does the same thing as
egrep foo
If you're a Perl refugee, this isn't particularly obfuscated. And
ruby -n00e 'print if /foo/' some-file.ldif
will print the complete, multi-line text of every entry in the LDIF file that contains "foo", which I don't know how to do with grep or egrep.