The Event Systemhttp://doc.qt.io/qt-4.8/eventsandfilters.html Each thread can have its own event loop. The initial thread starts its event loops using QCoreApplication::exec(); other threads can start an event loop using QThread::exec(). Qt signals (…
Events and the event loop Being an event-driven toolkit, events and event delivery play a central role in Qt architecture. In this article we'll not give a comprehensive coverage about this topic; we'll instead focus on some thread-related key concep…
看名字就应该知道,是网络请求在MainThread中产生的异常 先来看一下官网的解释: Class Overview The exception that is thrown when an application attempts to perform a networking operation on its main thread. This is only thrown for applications targeting the Honeycomb SDK or higher. App…
HBase architecture follows the traditional master slave model where you have a master which takes decisions and one or more slaves which does the real task. In HBase, the master is called HMaster and slaves are called HRegionServers (yes..servers).…