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failed with $_session["admin" set to False $_session["admin"] = false; Die ("You are not authorized to access"); } ?> Isn't it simple? Consider $_session as an array stored on the server side, and every variable we register is the key to the array, not the same as using the array. What if I want to log out of the system? The Session can be destroyed. Session_Start (); This method destroys a variable that was originally registered unset ($_session[' admin '); This method is to destroy the entir

Learn design patterns with me (2). learn design patterns. Learn design patterns with me (II). The Design patterns factory patterns are very important in the design of polymorphism. if appropriate, they can make the application more portable, learning the design pattern between classes with me (

Learn shiro permission framework (Day 2), learn shiroShiro certification Entry Program shiro-first.ini Use this configuration file to create a securityManager factory. You need to modify the eclipse ini Editor: Entry Program codeJava code // User login and exit @ Test Public void testLoginAndLogout (){ // Create a securityManager factory and create a secu

Follow the ghost Brother to learn PyQtPart.2, ghost Brother pyqtpart.2 After the simple layout in the first article, can we consider whether we can put a button to execute relevant actions? The answer is yes. After testing, we have simply sorted out the Click Event Response of a button to execute the decompilation action. Here we will record the learning process

= new Acontext (); //var user = new User () {UserID = 1, LoginName = "888888", Password = "53523113"}; //blogContext.Users.Add (user); varRR =blogcontext.savechanges (); //new Blogcontext (). SaveChanges () } }TestAfter successful operation, we compare:As you can see clearly, our settings are effective.Originally wanted to set the unique constraints here, but the middle of the implementation and I imagined not the same, there is no way, this section is here, tomorrow we mai

Overview The book Silverlight 2 Journey to perfection compiled by TerryLee is on the market and adds a lot of content based on this series of articles. Stay tuned. Http://www.dotneteye.cn/silverlight The release of Silverlight 2 Beta 1 brings us a lot of surprises from Runtime and Tools, such as supporting the framework languages Visual Basic, Visual C #, IronRuby, Ironpython, A series of new features such

products (such as the text editor program notepad++, FTP file transfer program FileZilla, etc.) source code. By reading these source code, not only can learn the specific language knowledge it uses, development technology, but also can learn its design ideas, programming style and so on. The so-called "Jinzhuzhechi, Howl", to master learning, is to become a shortcut to master.

a website as soon as possible, will want me to do the website, why to learn what webpage these pediatrics? It is not difficult to see, Yangaoshoudi Novice not a few, this idea is undoubtedly in building castles in the castle, you do not build the foundation, where to the roof? OK, master the production of static Web pages is the prerequisite to learn to develop a website, this is mentioned here, because t

Reprint Please specify source: http://www.cnblogs.com/ymingjingr/p/4271742.htmlDirectory machine Learning Cornerstone Note When you can use machine learning (1) Machine learning Cornerstone Note 2--When you can use machine learning (2) Machine learning Cornerstone Note 3--When you can use machine learning (3) (modified version) machine learning Cornerstone Notes 4-- When to use machine learning (4) Machine

Reprint Please specify source: http://www.cnblogs.com/ymingjingr/p/4271742.htmlDirectory machine Learning Cornerstone Note When you can use machine learning (1) Machine learning Cornerstone Note 2--When you can use machine learning (2) Machine learning Cornerstone Note 3--When you can use machine learning (3) (modified version) machine learning Cornerstone Notes 4-- When to use machine learning (4) Machine

products (such as the text editor program notepad++, FTP file transfer program FileZilla, etc.) source code. By reading these source code, not only can learn the specific language knowledge it uses, development technology, but also can learn its design ideas, programming style and so on. The so-called "Jinzhuzhechi, Howl", to master learning, is to become a shortcut to master.

[Happy to learn php100 days] Day 2: crazy array. Previous link: Happy to learn php100day first day this article motto: Why do some people learn php always feel that some knowledge points are well learned, but some knowledge points are never learned, it is because when learning face previous link: happy to

Why can't we learn programming? 2. Have you entered the "waiting for death" mode "? In the base camp, one of the most frequently asked questions may be: Teacher, should I learn C ++ or Java? Teacher, I heard that C language is no longer working, and. NET is the future direction. Is that true? Teacher, I have learned C before and want to

Familiar with Python and character strings (2) Update, learn python The previous chapter describes how to connect two strings. Review: Copy codeThe Code is as follows:>>> A = 'py'>>> B = 'thon'>>> A + B'Python' Since this is a method, there is an additional method. Method 2 for string connection Before proceeding to method 2