编程小翁

摘要： Grand Central Dispatch (GCD)是Apple开发的一个多核编程的解决方法。dispatch queue分成以下三种：1）运行在主线程的Main queue，通过dispatch_get_main_queue获取。/*!* @function dispatch_get_main_queue** @abstract* Returns the default queue that is bound to the main thread.** @discussion* In order to invoke blocks submitted to the main queue, 阅读全文