browser session, is referred to as a session cookie. Session cookies are generally not stored on the hard disk but are kept in memory, although this behavior is not regulated. If the expiration time is set, the browser will save the cookie to the hard disk, turn it off and open the browser again, and the cookies remain valid until the set expiration time expires
Big Brother talk about the session in Web application (Session details)Although the session mechanism has been used in Web applications for a long time, there are still a lot of people who do not know the nature of the session mechanism, so that the technology can not be app
/*Session Brief descriptionSession is a server global variable, commonly used in the user login, shopping cart instances, used in some security requirements of the application of high.Session also has many advantages, such as easy to control, can be customized according to user storage (stored in the database tutorial), php.ini permissions, the default session of
This article focuses on the Cookie-related knowledge in the system application Articles of the graduation project "personal computer use record cleanup software" series, this section describes the basic knowledge of cookies and the two Session management mechanisms of Cookie and Session in PHP. combine your PHP courses and cookies. reminder: because the author wr
Java web session simple application, Java web session
Java sessions are divided into Cookie and HttpSession.Cookie technology: session data is stored on the browser client.Session technology: Session data is stored on the server.I. The following describes the Cookie
Cross-application Session sharing and session sharingCross-application Session sharingWhy Session Share?
In the daily development process, we often encounter a development scenario where a project is large and the development cycl
We often use the answer when we do asp.net development, we store some data in the reply, let's introduce the application, cookies, session, cache and viewstate, so we can choose when to use them.
Application provides access to application-scoped methods
1. Report session and application sessionReport integration into a project there may be a question that system applications and reports are applied under a Web server, and that the session and report session are not a session? If not, will there be conflict?is: not the same
Php session application details, session details
Php session advanced application
Session is very important in web technology. Because a web page is a stateless Connection Program, you cannot know the browsing status of the user.
Each computer to access the server, there are independent session,key values are the same, the content is different.
1.session is saved on the server.
2.session has no durability, the save cycle is 20 minutes.
Focus: Session do not abuse, do not use, misuse will
Objects that store state on the server: Session and ApplicationObjects in the client store state: Cookies1.Session: Each independent browser will create a separate session, not a computer a sessionSession stored data is shared in the current session, and closing sessions disappearsFeatures:
In the previous article, the author gave you a detailed introduction of the ASP built-in object Response use method, in this article, the author will continue to introduce another two very useful and important ASP's built-in object application and session.
In addition to the objects used to send, receive, and process data in an ASP's built-in objects, there are some very useful objects that represent Activ
: This function has no parameters and returns true. If you apply cookie-based session, the browser cannot output any output before the application Session_start (). Otherwise, the following error occurs:Warning: Cannot send session cache limiter-headers already sent (output started at/usr/local/apache/htdocs/cga/member/1.php: 2 )............You can start
share the memory cookie with the original window. The browser's approach to cookie-only recognition of session cookies is often a major problem for Web application developers who use the sessions mechanism.Here is an example of a goolge setting a cookie's response headerhttp/1.1 302 Foundlocation:http://www.google.com/intl/zh-cn/Set-cookie:pref=id=0565f77e132de138:nw=1:tm=1098082649:lm=1098082649:s=kaeacfp
will save these cookies, whenever the user click on the link, and again with the server online, the browser will send the cookies back to the server for processing. This is the operating principle of the session, when the data volume is larger, because must be spread out and collected back, not only eat line bandwidth, efficiency is relatively low, because the Server must spend more resources to do online processing and reconfiguration of memory, suc
It is often the case that a large project is split into small projects that require each small project to be developed as a separate Web application to be able to interfere with each other, but at the end of the day there is a sudden discovery that a few small projects need to share some information or want to use the session to implement SSO ( Single sign on), saving login's user information in
encrypted cookie, where the user logs on a server successfully, an encrypted cookie is planted on the user's browser, and when the user accesses the B server, there is no session, if there is no problem, if not, To verify that the cookie is valid and that the cookie is valid, the session is rebuilt on the B server. This method is actually very useful, if the site has a lot of sub channels, the server is no
Recently to do a business processing system, because its original user system using ASP development, in the new business system used asp.net,asp.net application to use the original ASP user system, so the problem arises, ASP Application How to make the user login status and user information in the asp.net still valid. We then consider using the co
the browser will save these cookies, whenever the user click on the link, and again with the server online, the browser will send the cookies back to the server for processing. This is the operating principle of the session, when the data volume is larger, because must be spread out and collected back, not only eat line bandwidth, efficiency is relatively low, because the Server must spend more resources to do online processing and reconfiguration of
ASP. NET application must use the original ASP user system, so the problem arises. How can ASP application make the user login status and user information remain valid in ASP. NET. Therefore, we consider using a form to automatically submit and pass session variables in ASP applications.Example:ASP application URL is H
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