It takes minimal effort to ensure that the server not only finished with a request, but returned an "Everything is OK" status code.
它花费了最小的努力来确保服务器不但完成了一个请求，而且还返回了一个“一切良好”的状态代码。
To make sure that not only did the server finish with a request but that it also reported an OK status, add an additional check in your callback function as shown in Listing 7.
为了确保服务器不但完成了一个请求，而且还报告了一个OK状态，请在您的回调函数中添加另外一个检查功能，如 清单 7 所示。
Prioritizes the requests and uses its knowledge of the status of the application servers to determine which application server the request should be routed to.
按优先级排列请求，并使用它 (ODR) 所掌握的应用程序服务器状态信息来决定请求应路由到哪个应用程序服务器中。
Status code the server returns to the browser to indicate its success or failure in generating the request.
服务器向浏览器返回的表明请求成功还是失败的状态码。
That click sends the Ajax request to the server, the server returns current progress status, and the hidden field is updated.
点击行为将Ajax请求发送给服务器，服务器返回当前的进度状态，隐藏的域也会随之更新。
Every request to a server is recorded and assigned a status code, which describes how the server responded.
每个发送给服务器的请求都记录下来，并且指定了一处状态码，这个码告诉服务器如何响应请求。
As the name implies, the server status line informs the client of the outcome of its request. HTTP classifies the status line codes into the following broad categories.
顾名思义，服务器状态行(server statusline)通知客户机其请求的结果。
Response status codes beginning with the digit "5′ indicate cases in which the server is aware that it has erred or is incapable of performing the request."
该状态码表明服务器暂时处于超负载或正在进行停机维护，现在无法处理请求。
Response status codes beginning with the digit "5′ indicate cases in which the server is aware that it has erred or is incapable of performing the request."
该状态码表明服务器暂时处于超负载或正在进行停机维护，现在无法处理请求。
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