Http status code (200, 404, 500, etc.) (to CSDN), 500 and other csdn
When we send a request from a client to the serverThe server returns the status code to us.The status code is the status of the server response.Through this, we can know whether
PhenomenonWhen we encode the implementation to request a page, the requested code resembles the following code:HttpWebRequest req = (HttpWebRequest) webrequest.create (strURL);Req. useragent = "MSIE6.0";Req. Method = "GET";HttpWebResponse res =
HTTP Status Response code explanation/DaquanThe HTTP status code is a 3-bit numeric code that represents the HTTP response status of the Web server. It is defined by the RFC 2616 specification and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774
I. Request (Requests)Request:An application request is represented by a Yii\web\request object that provides information such as a request parameter (a translator note: Usually a get parameter or post parameter), HTTP headers, cookies, and so on. By
100
The client should continue to send the request. This temporary response is used to inform the client that some of its requests have been received by the server and are still not rejected. The client should continue to send the remainder of
IIS problem, HTTP 500 Error solution!I searched the internet and found that there is another directory for the user IUSR_QIUYISTUDIO to have the write permission, namely % SystemRoot % \ Temp (C: \ Windows \ Temp when the system is installed by
Invalid HTTP 400– requestHTTP 401.1– not authorized: Logon failedHTTP 401.2– not authorized: Login failed due to server configuration problemHTTP 401.3–acl prohibit access to resourcesHTTP 401.4– not authorized: Authorization denied by filterHTTP 401
Requests and responses
Scrapy request and response objects are used to crawl Web sites.
Typically, the request object is generated in the crawler and passed to the system until they reach the download program, which executes the request and returns
Status Codes and type status codes of SIP response messagesTemporary response (1xx) 100 trying in process180 ringing181 call being forwarder call forward182 queue181 * session progress session
Successful SESSION (2XX) 200 OK session
Read the process of request and response in the YII framework of PHP, YII framework
First, request (requests)Request:An application request is represented by a Yii\web\request object that provides information such as the request parameter (the
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