06 Nov 2019
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Macbook
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.
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08 Oct 2019
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culture
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.
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09 Jul 2018
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programming
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 not avaliable in iOS. iOS manages memory by reference count. Let's learn about it.
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05 Jun 2018
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programming
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.
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31 May 2018
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iOS SDK
YXQueue is enhanced thread manager tool. It encapsulates NSOperation. Thread's manager and invoker are divided by YXQueue. Developers won't focus too mach on thread management by it, just pay attention to how to create a job and implement delegate.
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