Ever wanted to layout letters? implement label view? create text edit component from the ground? bear with me. CoreText is low-level framework for laying out text and handling fonts. Low level like "C language level low", but also like "Font glyph level low". What CoreText…
Retry! in the wild
In perfect world every action finish with the success. In real world it's not. In perfect world sending network request returns with a result. In real world it fail sometimes due to dozen of reasons, and since we're living in the real world I have to…
Code at the end of the queue
NSOperation and NSOperationQueue are great for asynchronous tasks, but how can I run code after all my queue operations finish? here is how...…
Swift reflection about food
Reflection in practice. Reflection technique may be useful to build quasi generic functions that operate at runtime. It may be quasi type safe...…
ChunkSequence 🔪🍰
I can slice any array in pieces, then process one chunk at a time with the SequenceType.…