I use the SPRINGMVC framework for some time, but have been not clear when should be forwarded, when should be redirected. There may be too many things to forward so that you forget to redirect.When a user submits a POST request, refreshing the page causes the data to be submitted again, which is often said to repeat the submission. On-line access to the relevant information, found that the use of redirection can effectively prevent the duplication of data submission.Redirect that is, after the c
Ios navigation controller UINavigationController, controller a redirects (push) to B, B redirects (push) to c, but c returns (pop) to
Ios navigation controller UINavigationController. After controller a redirects (push) to Controller B, controller B redirects (push) to Controller c, but c returns (pop) to Controller.
Php Redirects to the corresponding webpage based on the user's language. Php Redirects to the corresponding webpage based on the user's language, and the php language jumps to the Chinese version based on the visitor's browser language, for foreign users, if the default browser is not Chinese, the English php will jump to the corresponding web page based on the user's language, and the php language will jum
Based on the browser type of the mobile client, js redirects to the official website/mobile website and multiple instance codes. js redirects
Instance 1: relatively simple and crude, lack of point type judgment
Example 2: Code neat, many functions are based on this added Function
Instance 3. Added some features
Example 4: It is recommended to use the simple help house. If you have better code, you can sh
JS automatically redirects to the next text box after the length limit is exceeded. js automatically redirects
This article describes how to automatically jump to the next text box after JS has exceeded the length limit. Share it with you for your reference. The specific implementation method is as follows:
Copy codeThe Code is as follows:
I hope this article will help you design javascript programs.
://www. ") Hzhuti. com/");Exit ();
Along with the PHP 404 error also included:
The code is as follows
Header ("http/1.1 404 Not Found");Exit ();
Here's a little bit about PHP 301 and 302 redirects here, and here's the Apache approach
Cases:
Apache
The code is as follows
Redirect 301/old/old.htm http://www.111cn.net/new.htmRedirect Permanent/one Http://111cn.net/twoRedire
Let's say the IIS 301 redirect approach:
301 redirect in IIS
Open Internet Information Services, right-click the folder or file you want to jump to, in the pop-up right-click menu, select Properties Pop-up dialog box, under the Table of Contents option to find "Connect to resource Content source", select "Redirect to URL", in the following text box, enter the page to jump to the same time, Click "Apply" to select "permanently redirect clients" to the checkbox below.
Use code to do 301
Many just contact SEO rookie door have seen a lot of big Web site using 301 Redirect, also see a lot of old birds in the forum said 301 redirect the various benefits, the most important of course is to focus on the weight of the site. I am also a new rookie, when I see these, I also echocardiography. So I started my 301 redirect trip.
Speaking of my website is Pricton Ah, June 27, space traders said their server disk array problems, resulting in my site one weeks can not open by K. Later, the
REDIRECT Redirection Each command has an input source and an output destination, and the default behavior is standard input and standard output. In most cases, the standard input is the keyboard, and the standard output is the screen. You can modify the inputs and outputs for individual operations, which is redirection . Redirection allows a command to be entered from a source file instead of a keyboard, or output to a place other than a display (such as a file). Use SortThis command sorts the
Environment: Python 3.6The following example executes commands via subprocess, redirects and outputs in real time, which can be modified to redirect to a file or other.(Note: the example only applies to commands that stop executing when an error is encountered.) )One, to perform a ping commandImportsubprocessImportSYS#Common CodingGBK ='GBK'UTF8='Utf-8'#decoding mode, general py file Execution for utf-8, cmd command for GBKCurrent_encoding =Gbkpopen=
I/O redirection:Linux:
: Overwrite output
>>: Append output
SET-C: Disable overwrite redirection for existing files, and force overwrite output, use >|
Set +c: Turn off the above features
2>: Redirect Error output
2>>: Append method
>: Redirect standard output or error output to the same file
Pipeline: The output of the previous command, as input to the latter commandCommand 1 | Command 2 | Command 3 | ...Pipelines and redir
] shell]# cat Temp.txtthis is a Example Testthis is a example test[[email protected] shell]# echo This is a example test>> temp.txt[[email protected ] shell]# Cat Temp.txtthis is a example testthis are a example testthis is a example test(iii), CAT file name: View the contents of a file(d), standard error redirection, when the command output error message, stderr information will be printed out[[email protected] shell]# ls +ls: Cannot access +: No file or directory [[email protected] shell]# ech
want to keep the previous content, then you need to use two redirect symbols >>.error output in redirection: All of this is done on the premise that you can get the right results. Suppose I'm going to find something now, and this thing just can't be hit? This will require the error log. In Linux, 1 represents the standard output, while 2 represents the error output. For example:1>: The correct data is exported to the specified file or device in a covered manner;1>>: Output the correct data to t
It programmer development must-all kinds of resources download list, the most complete IT resources in history, personal collection summary.
1. REDIRECT implementation:
And the next sentence code interchangeable position, the two lines equivalent to Response.sendredirect ("");
Response.setstatus (302);
or "location.jsp"
response.setheader ("Location", "/httpheader/location.jsp");
2. Use of redirects:
In general, try not to use redire
1, what is the 301 turn? What is 301 redirect?301 Steering (or 301 redirect, 301 jump) is one of the status codes in the header of the HTTP data stream that the server returns when the user or search engine sends a browse request to the Web server, indicating that the page is permanently transferred to another address.2. What is 302 redirect?302 redirect also known as 302 for transient transfer (temporarily Moved), English name: 302 redirect. is also considered a temporary redirect (temporary re
Reasons for rejection: The article is not readable high continue to work hard
I think most of the seoer are familiar with the HTTP status code for 301 redirects, the main purpose is to change the domain name or not with WWW domain name to the domain name with www. And for 302 redirects, we probably don't know much about it. 302 is the meaning of temporary redirection, which represents a page that is only t
Fortunately, there are 301 redirects that can solve this problem effectively. As the Moonlight blog post says,301 redirects to boost search engine optimization resultsFrom the perspective of SEO, 301 redirection is the most feasible way to redirect URLs. When the domain name of the site changes, the search engine will only index the new URLs, but also the old address under the original external links to the
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