pragma no cache

Php forms are submitted and then rolled back. The content of the form is cleared by default (when session_start is used). The solution is after session_start, write the header (Cache-control: private) before the character output. The php form is

Use onclick = "history. go (-1); "or onclick =" history (back) "; php form after submission and then back, the content of the form is cleared by default (when session_start is used ), solution: after session_start (), write h php before the

The use of the PHPheader function's webpage Cache is controlled by the "Cache-control" in the HTTP message header, common values include private, no-cache, max-age, and must-revalidate. the default value is private. The function is divided into PHP

Php returns a page with onclickhistory. go (-1); or onclickhistory (back); php form after submission and then back, the form content is cleared by default (when session_start is used ), the solution is to write the header ("Cache-control: private")

1. Add in the header of the ASP page   Reference content is as follows:Response. Buffer = trueResponse. expiresabsolute = now ()-1Response. expires = 0Response. cachecontrol = "no-Cache"Response. addheader "Pragma", "No-Cache"   2.

Servlet Tips & template code Request-related Obtain basic parameters // Obtain the submission address request. getrequesturi (); // obtain the submitted content request. getquerystring (); // obtain the client address (browser) request.

1. obj. ttl not accessible in method vcl_fetchThis is because after 2.0.6, obj. TTL has been changed to beresp. TTL.2. What is the meaning of beresp. cacheable?Official explanation: beresp. cacheableTrue if the request resulted in a cacheable

Dynamic | caching | disabling | page | page 1. On ASP page Header Join Response.Buffer = TrueResponse.ExpiresAbsolute = Now ()-1Response.Expires = 0Response.CacheControl = "No-cache"Response.AddHeader "Pragma", "No-cache" 2. Adding in HTML code 3.

OAuth is an open network standard for authorization. It is widely used all over the world. The current version is version 2.0. This article provides a concise and plain explanation of the OAuth2.0 design idea and operation process. The main

OutputCache attribute details 1 Location, outputcache Directory OutputCache Concept Learning OutputCache attributes (1) OutputCache attribute description 1 Location   Cache location in Web applications: Client Caching) Proxy Caching)

 I. Overview The cache idea can be applied to all layers of software hierarchy. It is an internal mechanism that is imperceptible to the outside world. The database itself has a cache, And the persistence layer can also be cached. (For example,

Summary In a password-protected web application, it is not only necessary to call the invalidate () method of httpsession to correctly handle the user exit process. Now most browsers have buttons for moving back and forward, allowing users to move

  SummaryIn a password-protected web application, it is not only necessary to call the invalidate () method of httpsession to correctly handle the user exit process. Now most browsers have buttons for moving back and forward, allowing

The PHPheader function provides an example of setting an http packet header ,. PHPheader function sets http packet header example details, define the encoding header (Content-Type: texthtml; charsetutf-8); Atomheader (Content-type: applicationatom +

This problem has plagued me for a long time. The previous method was to use JS, And now I finally found a solution: Popular online versions: response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache");

1. Add in the header of the ASP page Reference content is as follows:Response. Buffer = trueResponse. expiresabsolute = now ()-1Response. expires = 0Response. cachecontrol = "no-Cache"Response. addheader "Pragma", "No-Cache" 2. Add

The browser cache stores files on the client. A good cache policy can reduce the usage of network bandwidth, increase the access speed, improve the user experience, and reduce the burden on the server. Therefore, it is necessary to understand its

Understand OAuth2.0 and oauth2.0. Understanding OAuth2.0, understanding oauth2.0OAuth is an open network standard for authorization, which is widely used in the world. The current version is 2.0. This article describes how to understand OAuth2.

PHP creates page cache code. The PHP code for creating a page cache is as follows? Phpheader (Expires: Mon, 26Jul199705: 00: 00GMT); header (Cache-Control: no-cache, must-revalidate); header (Pragma: no-cache );? The PHP code for creating a page

Response.Buffer = True Response.ExpiresAbsolute = Now ()-1 Response.Expires = 0 Response.CacheControl = "No-cache" Response.AddHeader "Pragma", "No-cache" Copy Code2. Add in HTML code