2014年6月11日
dispatch_group_async
摘要： - (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. dispatch_queue_t queue = dispatch_get_global... 阅读全文
posted @ 2014-06-11 16:00 菜鸟程序猿 阅读(404) 评论(0) 推荐(0)
Block 代替for循环
摘要： NSDictionary *aDictionary = [[NSDictionary alloc]initWithObjectsAndKeys:@"tom",@"1",@"alex",@"2",@"josen",@"3", nil]; [aDictionary enumerateK... 阅读全文
posted @ 2014-06-11 15:09 菜鸟程序猿 阅读(379) 评论(0) 推荐(0)
GCD 延时操作
摘要： dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ code to be executed after ... 阅读全文
posted @ 2014-06-11 10:13 菜鸟程序猿 阅读(446) 评论(0) 推荐(0)
GCD 倒计时
摘要： 今天在Code4App上看了一个GCD倒计时的Demo，觉得不错代码贴出来备用-(void)startTime{ __block int timeout = 30; //倒计时时间 dispatch_queue_t queue = dispatch_get_global_queue(DI... 阅读全文
posted @ 2014-06-11 09:17 菜鸟程序猿 阅读(380) 评论(0) 推荐(0)