A predicate method is tipically one that should return a boolean value (true or false). These methods are useful in a lot of scenarios, like when you have an class with a boolean attribute. ...

I think as developers we tend to create complexity if we don’t think carefully about every line of code we are typing. Systems tend to be complex and managing that complexity is one of the main task we have. Routines are great, they are one of the best ways to encapsulate algorithms and make your code more readable. Sometimes we think routines are too short, but actually the usually are too long....

I’ve started to develop applications for iOS about 3 months ago and there were a lot of things new for me in that environment (there are a lot yet) and Objective-C wasn’t an exception. ...

In order to remove all the files from the repository after they have been deleted from disk you have a couple of options. ...

I had a little doubt about when to do the return if you have a big if, something like the following function: ...