Years ago I was in a job interview where the employer took me to a whiteboard and asked me to implement atoi() in C. They also asked me to talk about any issues with my implementation. While there is hardly any reason to implement atoi() yourself nowadays, sometimes it’s good practice to try it anyway.

The UIButton controls in iOS are very basic. Just a white rounded rectangle with a gray border and a label. They’re made to look similar to a single grouped UITableView cell. Because of this, it’s easy to end up with a boring iOS app without creating your own images for button. So what’s a developer to do?

The UIButton controls in iOS are very basic. Just a white rounded rectangle with a gray border and a label. They’re made to look similar to a single grouped UITableView cell. Because of this, it’s easy to end up with a boring iOS app without creating your own images for button. So what’s a developer to do?