code 404

In the previous article, getallbyname obtained four IP addresses corresponding to www.csdn.net. Theoretically, entering one of the four IP addresses in the address bar of IE (or another Web browser, such as Firefox) may access www.csdn.net. For

CORS full Name "cross-domain resource sharing" (cross-origin resource sharing).Cross-domain is the data access between different domains, such as a.sample.com access to the data in b.sample.com, if we do not do any processing, the following error

a list of HTTP status codes that are common in production environments (list of HTTP state codes)Description: Refinement does not seek much, there is not the same thinking is not the same wonderful.200-OK, the server successfully returned to the Web

　　　　　　　　　 Concept FinishingAlthough the common protocol is easy to understand, but after looking after a period of time not to see or easy to forget, note the following, more fragmented, reluctantly for you to review. If there is a mistake, please

Logback is the boot default log preference, personal feel is the best log implementation (better than log4j)Below, a function is added based on the previous code to implement the MyBatis and or check function and to view the output SQL in the

Retrofit is a very popular network request library now.Want to use it first reference in the Gradle fileCompile ' com.squareup.retrofit2:retrofit:2.1.0 ' com.squareup.retrofit2:adapter-rxjava:2.1.0 ' compile '

1.ProtocolA. Overview of TCP/IP overall architecture the TCP/IP protocol does not fully conform to the OSI seven-tier reference model. The traditional open System Interconnect Reference Model is a 7-layer abstract reference Model for communication

The URL requests in the MVC application are handled through the controller controllers, whether the GET request for the view page is requested, or the post request that passes the data to the server processing is handled by an controller, looking

1. AB Introduction AB full name Apache Bench, is an Apache with a small tool, it can simultaneously simulate multiple concurrent requests, testing the maximum load pressure of Web servers such as Apache. Through a simple example, this paper

Some common HTTP status codes are:200– server successfully returned to Web page404– The requested page does not exist503– Service Not availableCommon HTTP status Code Daquan1XX (Temporary response)A status code that represents a temporary response

HTTP protocolFor the HTTP protocol, refer to the following:HTTP协议漫谈 http://kb.cnblogs.com/page/140611/HTTP协议概览 http://www.cnblogs.com/vamei/archive/2013/05/11/3069788.html了解HTTP Headers的方方面面 http://kb.cnblogs.com/page/55442/When we enter www.linux17

1XX (Temporary response)2XX (Success)3XX (redirected)4xx (Request error)HTTP Status Code 400 (Error request) The server does not understand the syntax of the request.HTTP status Code 401 (unauthorized) request authentication required. The server may

Handling ExceptionsHandling ExceptionsNo matter what happens, good or bad, the output from the servlet request is a servlet response. If an exception occurs when the request is processed, its output will still be the servlet response. The exception

The fastest way to share directories under Linux is Chszs, without the permission of bloggers to reprint. Permission to reprint should be marked by the author and blog home: Http://blog.csdn.net/chszsBuild FTP, or build network File system, these

Problem Description: If the first time you are in the IIS 7.5 WCF service file---. svc, you will likely experience the following problems: 404–not found-the page You are requesting cannot is served the because of the extension. If the page is a

1, if the use of plain static pages, configured in the HttpErrors, the returned status code is 200, will not be the corresponding error code 404. You can only use, aspx, or MVC pages to join, so you will return with the 404 error code displayed.

200-OK, the server successfully returned to the Web page Standard response for successful HTTP requests.301-moved permanently (permanent jump), the requested page has been permanently redirected to the new location. This and all of the future

Common Status Codes1XX (Temporary response)2xx The representative request has been successfully received, understood, and accepted by the serverHTTP status Code (successful) The request was successfully processed by the server. Typically, this

One writes the WITH Operation Class FileInfo (), which defines the __enter__ and __exit__ methods. Complete the function:1.1 Opens FileInfo (filename) in the __enter__ method and returns the contents of the filename. If the file does not exist, you

JSONP cross-Domain request instance There are many different ways to request across domains, 1,iframe 2,document.domain 3,window.name 4,script 5,xdomainrequest (ie8+) 6,xmlhttprequest (firefox3.5+) 7,postmessage (HTML5) 8, background Agent