This code simply starts the long poll when the user clicks the Go button.
该代码只是在用户单击Go按钮时开始长轮询。
It is the responsibility of our Ajax code to check for 304 status, and if found, simply not to change client application state based on the (absence of) data sent from the poll.
我们需要使用Ajax代码检查304状态，如果存在的话，那么也不要根据轮询发送的数据修改客户机应用程序状态。
The client code would either poll the output queue for the response or wait for some kind of call-back notification when the response message has been delivered.
客户机代码将轮询输出队列以获得响应，或等待响应消息交付时的回调通知。
Listing 6 shows the beer-poll analysis code for detecting changing preferences.
清单6显示了用于检测偏好变化的啤酒民意测验分析代码。
You'll learn how to properly configure a CI server to poll an SCM repository and run an Ant build process anytime a change is detected in your source code.
您将学习如何正确地配置CI服务器，让它查询SCM存储库，并在探测到源代码中的修改时运行Ant构建过程。
You'll learn how to properly configure a CI server to poll an SCM repository and run an Ant build process anytime a change is detected in your source code.
您将学习如何正确地配置CI服务器，让它查询SCM存储库，并在探测到源代码中的修改时运行Ant构建过程。
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