Strong encapsulation is the cornerstone of good design. Here, we look at how to protect against outside change

Nothing better than a perfectly fitted jumper on winters day - makes you feel warm and secure. It's the content of UILabels. Here, we look at how to dynamically adjust a UILabel's frame to fit it's content.

Some errors are more mysterious than other. Here, we look at the especially mysterious _OBJC_CLASS_$_'XYZ' error and figure out what it means.

Boundary Value Analysis and Equivalence Partitioning are essential tools in any QA's toolbox when designing testcases. Here, we look at what they are and how to use.