what is 503

Recently in the mail to send the interface to the problems encountered and solutions to tell you want to know the message to help people The original program part of the code is as follows Set mail message sender address, recipient address,

Based on the python2.7 version, crawl Baidu mobile phone Assistant (http://shouji.baidu.com/software/) Web site app data. Process flow Chart of crawler The crawler process flowchart is as follows: Created with Raphaël 2.1.0 Start analysis

HTTP Error code meaning: 100: Continue101: witchingProtocols200: OK201: Created202: Accepted203: Non-AuthoritativeInformation204: NoContent205: ResetContent206: PartialContent300: MultipleChoices301: MovedPermanently HTTP Error Code Description: 100:

Service Denial-of-service attacks are divided into two stages: Recognition and Control. Controls include bans, isolation, and restrictions.Blocking means that access is not allowed at all. Isolation means that abnormal traffic is isolated to the

1. Basic Knowledge Point 1.1The meaning of several status codes in http: 503500401403404200301302... 200: the request is successful, and the requested data is returned accordingly. 301: Permanent redirection. 302: Temporary row redirection. 401: the

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

Http response status code and response status code From: http://hi.baidu.com/starsecond/blog/item/de75458a3cb1b51ac9fc7a6a.html ========================================================== ========================================== 100

HTTP status code and status code Refer to blog: HTTP status code details 1 ** (Information Class): Receives the request and continues processing. 100 Continue The initial request has been accepted, and the customer

How to select the correct HTTP status code As we all know, each HTTP Response carries a status code, but for many developers, the most commonly used status codes are 200, 400, 404, and 500. In what scenarios should I use other status codes and when

We all know that 404 is found in wood, 301 is the definition of turn, but how many people know 206 or 307? This article will give you a list of the various HTTP status code meaning, suitable for long-term collection. Status Code

HTTP error code meaning:"Continue":"101": Witching Protocols"$": OK"201": Created"202": Accepted"203": non-authoritative information"204": No Content"205": Reset Content"206": Partial Content"Multiple": Choices"301": Moved Permanently"302": Found"303

  Toolbar The Toolbar Control does not have the corresponding option (icon) in the control panel, but there is a toolbar control class ctoolbar, so if we want to create a toolbar control and display it in the window, you can only use code. In fact,

SIP response code The response code is included, and the HTTP/1.1 response code is extended. Not all HTTP/1.1 Response codes are properly applied, but only pointed out in the discount. Other HTTP/1.1 Response codes should not be used. In addition,

100 the initial request for continue has been accepted, and the customer should continue to send the remaining part of the request. 101 The switching protocols server will convert the requests following the customer's request to another protocol. 200

Status Code Status information Description 100 Continue The initial request has been accepted, and the customer should continue to send the rest of the request. (New HTTP 1.1) 101 Switching protocols The server

    A few days ago to apply, was asked XMLHttpRequest status list, I do not know, back to query information, as follows: the following reference http://hi.baidu.com/canye2004/blog/item/1803d0336a123e46ac4b5f55.html When requesting remote files in

SIP Message Type and Message format SIP is a text-based protocol that uses the UTF-8 character set. There are two main types of SIP messages: One is the request sent from the client to the server ); One is the response message sent from the server

For example, the website has encountered a 502 error frequently recently, which means it cannot run properly. Most of these problems are caused by PHP-CGI timeout without returning information, or process freezing. Our nginx has been configured to

Common HTTP Status Codes 200 OK 301 moved permanently 302 found 304 not modified 307 temporary redirect 400 bad request 401 unauthorized 403 Forbidden 404 not found 410 gone 500 Internal Server Error 501 not implemented 100 continue The

A cloud host has been created recently. The configuration is not high, but it is sufficient: CPU: Single Core Memory: 1 GB Hard Disk: 40 GB Bandwidth: 1 mThis configuration is not a problem for building a personal website. The following