Медведев вышел в финал турнира в Дубае17:59
// Signal how many bytes we wrote
，详情可参考爱思助手下载最新版本
for attempt in range(self.config.max_retries):，更多细节参见旺商聊官方下载
其次是船小：4.78万吨的体量，在动不动十几万吨的巨无霸面前就是个“弟弟”。稍微有点风浪就晃，晕船药成了船上最抢手的东西。
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.