304 not modified

All HTTP status codes and definitions.Code instructions2XX successful200 normal; the request has been completed.201 normal; followed by the POST command.202 normal; accepted for processing, but not completed.203 normal; partial information-only part

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

1. Set up a PHP website and complete some basic Image Upload functions and server database operations.2. Complete adding the actual function example to the static template of the first jquery framework;Understand and master the use process and

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

in actual website construction applications, many small mistakes may occur, just as MySQL was not optimized at the beginning and affects the overall browsing effect of the website, in fact, the regular HTTP status code of the website is also the

If you send a request to your server to display a webpage on your website (for example, when a user accesses your webpage through a browser or crawls the webpage on googlebot, your server returns the HTTP statusCodeTo respond to this request. This

This article from: http://blog.csdn.net/lampsunny/article/details/8053967 The following is a detailed list of Ajax parameters in jquery: Parameter Name Type Description URL String (Default: Current page

The key to understanding Ajax is to understand Hypertext Transfer Protocol (HTTP), which is used to transmit web pages, images, and other types of files transmitted between browsers and servers over the Internet. As long as you enter a URL in your

Recently, our website often reports a 503 error: "HTTP Error 503. The service is unavailable ". But it is normal to brush one or two times. It is estimated that the maximum number of concurrent connections of the website is exceeded. What is

Document directory [Compression] [Configure compression in IIS] [Content expirations] [Configure content expirations in IIS] [Remove unnecessary HTTP headers] [Overview] In this chapter, we focus on infrastructure construction. HTTP

HTTP Request Header Overview HTTP client programs (such as browsers) must specify the request type (usually get or post) when sending requests to the server ). If necessary, the customer program can also choose to send other request headers. Most

Source Address: http://hi.baidu.com/eveready/blog/item/585bbb30fbcee915eac4af27.html   I. Differences of principles Generally, you can enter a URL in your browser to access resources by using the get method. In form submission, you can specify the

The access to the Request Header allows the servlet to perform many optimizations and create an efficient servlet. 1. Read the HTTP request header in the servlet-httpservletrequest Interface  Read the HTTP header in the servlet and call the

1. Http response format The response of the Web server to the client generally includes a status line, some response headers, and a blank line and corresponding documents. 1. Status line: A status line consists of an HTTP version, a status code, and

1xx (temporary response)Status Code indicating a temporary response and requiring the requester to continue the operation. Code Description100 (CONTINUE) the requester shall continue to make the request. The server returns this code, indicating that

In the practical application of website construction, many small mistakes may occur, just as MySQL was not optimized at the beginning, affecting the overall browsing effect of the website. In fact, the regular HTTP status code of a website is the

Detailed explanation of HTTP protocol Author: small tank Source: blog Park Release Date: Read: 59090 recommendations: 66 Original link [favorites] 　　Related Articles:HTTP Compression The development technology of today's web programs is truly a

I. Differences of principles Generally, you can enter a URL in your browser to access resources by using the get method. In form submission, you can specify the submission method as get or post. The default method is get submission. HTTP defines

Security. c The main function is to verify the login user information. The corresponding information is displayed on the page. If the information fails, the error page is displayed. If the information is successful, the user name and password are