Sidecar is a fantastic feature on the newest Mac OS, Catalina. It helps us work on external display space with iPad. I upgraded my Macbook Pro to Mac OS 10.15 and my iPad Pro to iPad OS 13.1, but there was some oddness of display colour that the window’s shadow was beige not grey. display… Read More »
Some people think every civilization must have the own special gene of the culture; actually, different countries all generate randomly the same factors of culture and idea, but many of these factors gradually dissolved during the long history, because of environment where the civilizations exist. In western world, the democracy is not there at all.… Read More »
iOS Memory Management Memory Management in Objective-C Memory management is the programming discipline of managing the life cycles of objects and freeing them when they are no longer needed. Managing object memory is a matter of performance; if an application doesn’t free unneeded objects, its memory footprint grows and performance suffers. However, garbage collection is… Read More »
Live Streaming Quiz(LSQ) is a very prevalent interact game from Q4 2017. Many live streaming video companies all published own quiz feature in Appstore. Today I introduce my project of LSQ. 1. The Way of Playing Quiz Live Streaming quiz is like joining “Slumdog Millionaire” in your smart phone. There are 10 questions asked by… Read More »
An OOP and easily using job queue for iOS YXQueue is encapsulate for NSOperation. Thread’s manager and invoker are divided by YXQueue. Using it, developers won’t focus too mach on thread management, just pay attention to how to create a job and implement delegate. The github address is https://github.com/jacklandrin/YXQueue Architecture YXQueueDispatcherIt’s designed as dispatcher of… Read More »