html bad request

Yesterday we handled the 500 error in Google Webmaster and handled some 400 processing today, such as the following URL at the End of tab (tab):http://www.cnblogs.com/me-sa/archive/2008/05/16/1200329.html%09http://www.cnblogs.com/JimmyZhang/archive/

In the Nginx reverse proxy mode, the page loading is incomplete or the 502 bad gateway appears directly. There are many cases of 502 bad Gateway, most of which are related to the setting of the Nginx timeout problem. The following is a

1 ImportUrllib22 ImportRe3 ImportOS4 5 defProcess_item (self, item, spider):6headers = {7 "Host":'img31.mtime.cn',8 "user-agent":'mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:53.0) gecko/20100101 firefox/5

You need to upload files to the server during network programming. Multipart/form-data is a way to upload files.Multipart/form-data is actually the way that browsers upload files using forms. The most common scenario is when you write a message, add

HTTP StatelessThe HTTP protocol is stateless (stateless). That is, when the same client accesses a page on the same server for the second time, the server cannot know that the client has visited and the server cannot distinguish between different

As we all know, the basic protocol of the Internet is TCP/IP protocol, the current widely used FTP, Archie Gopher, etc. are based on the TCP/IP Protocol Application layer protocol, different protocols corresponding to different applications.The main

Html> http://qiuren.blogbus.com/logs/37117725.html   Most of the time, you need to customize the release package when debugging the program. The Firefox plug-in can be used in normal post submission, such as Tamper Data. However, this tool does

HTTP StatelessThe HTTP protocol is stateless (stateless). That is, when the same client accesses a page on the same server for the second time, the server cannot know that the client has visited and the server cannot distinguish between different

HTTP messages are text-oriented, and each field in a message is an ASCII string, and the length of each field is indeterminate. HTTP has two kinds of messages: Request message and Response message. HTTP Request message An HTTP request message

A complete browser request processWhen we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The entire process is as follows: Domain Name Resolution--