Robert Pieta

Swift

Core Data String Queries Using NSPredicate In Swift

Learn how to find an exact string, regex search, and more in Core Data.

Swift

NSButton With A Gradient Background in Swift

Learn how to add a gradient background to an NSButton

Swift

NSButton With A Solid Background, Rounded Corners in Swift

Implement a button with a background color, rounded corners, and image padding

Swift

Full-Screen iOS Loading Animation in Swift

Learn how to fade-in a loading animation with spinning activity indicator.

Swift

Lighter and Darker UIColors in Swift

Implement a UIColor extension to get lighter and darker colors from a UIColor.

Swift

Formatting UTC and Local Dates in Swift

Print, format, and parse UTC and local timezone Dates in Swift.

Swift

URLSession GET and POST HTTP Requests in Swift

Learn how to make GET and POST HTTP requests in Swift using URLSession, including setting HTTP headers and body parameters.

Swift

UITextField with Custom Text Padding in Swift

Implement a UITextField with custom text spacing in Swift

Swift

Animate With The iOS Keyboard In Swift

Create smooth layout animations when the iOS keyboard shows and hides.

Swift

Save Swift Enum In Core Data

Learn how to use a Swift enum on a Core Data Model

Swift

NSButton With Image Padding in Swift

Implement a NSButton with image spacing

Swift

Resize UIImage Without Stretching in Swift

Learn how to scale a UIImage to a target size while keeping the aspect ratio the same.