yoyo_zeng

摘要： 依赖注入，由传统的 has a，改为在配置文件中注入，降低依赖。传统方式：依赖性大public class A{private B data1;.....}public class B{...}注入public class A{private BParent data1;public A(){...}public A(int i， B b){...}.....}public interface BParent{...}public class B implements BParent{...}<beans><bean id="A" class =" 阅读全文

摘要： Using a POSIX Mutex Lockc语言方法pthread_mutex_t mutex;void MyInitFunction(){ pthread_mutex_init(&mutex, NULL);} void MyLockingFunction(){ pthread_mutex_lock(&mutex); // Do work. pthread_mutex_unlock(&mutex);}Using the NSLock ClassBOOL moreToDo = YES;NSLock *theLock = [[NSLock alloc] init];. 阅读全文

摘要： 如果你在非main thread中运行run loop，你必须至少为该run loop添加一个input sources或timer。如果你运行的run loop没有监控任何的输入源，该run loop将在你运行后立即退出。Run loop observer使用detachNewThreadSelector:toTarget:withObject:创建一个thread：[cpp]view plaincopy[NSThreaddetachNewThreadSelector:@selector(observerRunLoop)toTarget:selfwithObject:nil];在新threa 阅读全文