Monthly Archives: September 2017

iOS Grand Central Dispatch

Posted on September 24, 2017 by Tang

GCD provides three main types of queues:  1.1 Main queue Main queue runs on the main thread and is a serial queue. This is a common choice to update the UI after completing work in a task on a … Continue reading →

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RxSwift Scheduler

Posted on September 10, 2017 by Tang

Where we call subscribeOn() in a chain doesn't really matter when to call it. Where we call observeOn() does matter. subscribeOn() tells the whole chain which thread to start processing on. We should only call it once per chain. If … Continue reading →

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How to generate **.cer** and **.p12** file for iOS push notification

Posted on September 9, 2017 by Tang

Every time I created a new app with push notifications, iOS, I'm sure I've got everything right and then something refused to work. So this time I'm writing it down so I can't possibly get it wrong again.  Generally, … Continue reading →

Posted in iOS, Mac, Mobile | Tagged , , , | 1 Comment