Upcoming and OnDemand Webinars View full list

The Big Nerd Ranch Blog

Core Graphics, Part 1: In the Beginning

March 5, 2018 | iOS | Mac
Core Graphics, also known by its marketing name “Quartz,” is one of the oldest graphics-related APIs on the platforms. Quartz forms the foundation of most things 2-D. Want to draw shapes, fill them with gradients and give them shadows? That’s Core Graphics. Compositing images on the screen? Those go through Core Graphics. Creating a PDF? Core Graphics again.
Read More

Hannibal #selector

July 6, 2016 | iOS | Mac
The `selector` is key to Objective-C’s dynamic runtime nature. It’s just a name that’s used, at runtime, as a key into a dictionary of function pointers. Whenever you send a message to an Objective-C object, you’re actually using a selector to look up a function to call. Sometimes selectors bubble up in Cocoa/CocoaTouch API, and you will need to deal with them in Swift.
Read More

Not Happy with Your Current App, or Digital Product?

Submit your event

Let's Discuss Your Project

Let's Discuss Your Project