Tag Archives: iPhone

iOS Grand Central Dispatch

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

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

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