open session

One, bidirectional primary Key AssociationA two-way primary key association is actually a special case of one-way one-to-one primary key associations, except for the configuration in the mapping file at both ends of the associated object, plus the

The PHP Ini_set is used to set the value of the php.ini, which takes effect when the function is executed, and when the script ends, the settings expire. No need to open the php.ini file, you can modify the configuration, for virtual space, very

Scheduled to run the task for a website, is a relatively important task, such as the timing of the release of documents, regular cleaning spam, and so on, now most of the site is the use of PHP dynamic language development, The implementation of PHP

Deadlocks are no stranger to DBAs or database developers, it's a variety of triggers, in general, database application developers in the design will have some considerations and then try to avoid deadlock. But sometimes because of some special

The Java Message Service is one of the specifications of Java EE that can be used to send asynchronous messages, and in some scenarios, can be used as a means of integration between different systems or different modules. Can be compared to the

DBCC page parsing row data   The DBCC page usage is detailed: DBCC page ({' dbname ' | dbid}, FileNum, Pagenum [, printopt={0|1|2|3}]) The printopt parameter has the following meanings: · 0-print just the page header · 1-page header plus Per-row hex

Data | project Object-Relational Mapping (O/R mapping) is a common requirement for many software development projects. The activities involved in the data persistence process are tedious and error-prone. If we take into account the inevitable

Reprint Address: http://www.cnblogs.com/kerrycode/p/3285936.htmlTemporal table ConceptsA temporary table is a database object that is used to temporarily save temporary data (or intermediate data), which is somewhat similar to a normal table, but is

Concept IntroductionDevelopers like to use with (NOLOCK) in SQL scripts, with (NOLOCK) is actually one of the table hints (table_hint). It is equivalent to readuncommitted. The specific function functions are as follows (from MSDN):1: Specifies that

The previous article discussed in detail the principle of composite primary key mapping, for composite primary key mapping needs to use tags to identify the class attributes of the map, and add the sub-tags in the tag, and the primary key column

Note: The following code needs to open the PHP tutorial of the GD library, modify the configuration of the Php.in file, the already commented out of the line before the semicolon cancellation: Extension=php_gd2.dll. $width = 165; $height = 120;

This article mainly introduces the session hijacking for PHP website. Session hijacking is a more complex attack method. Most computers on the internet are at risk of being attacked. This is a method of hijacking the TCP protocol, so almost all

The system generates a unique ID (either an application-side or a database-tutorial uuid) in some way, and then attempts to associate it with this ID.Code:drop table if exists test;CREATE TABLE Test (ID int NOT NULL,Name varchar NOT NULL);INSERT

Temporal table ConceptsA temporary table is a database object that is used to temporarily save temporary data (or intermediate data), which is somewhat similar to a normal table, but is quite different. It can only be stored in a temporary table

Temporal table ConceptsA temporary table is a database object that is used to temporarily save temporary data (or intermediate data), which is somewhat similar to a normal table, but is quite different. It can only be stored in a temporary table

The truncate implicit commit colleague asked me to check the problem. procedure jumped out of exception and rolled back in the middle, but some table commit still exists, but no commit statement was found before rollback. it is still a DDL implicit

Main PagePHP // session_start ();//Open session//http, stateless//session Cookie//session: Stored on the server, each person saves one copy, can store any type of data, the default expiration time of 15 minutes//cookie: Stored on the client, each

Page JumpHeader (' Location:url ');Advantage: Jump Now!Disadvantage: There is no way to give a hint before jumping!?Header function is to send the response header information! The corresponding header information, is part of the corresponding

1PHP2 Session_Start();//Open Session First3 //Store session information4 $_session["UID"]= "123";5 Echo $_session["UID"];6 //Session7 //1. Storage on the server8 //2. Can store any type of data9 //3. There is a default expiration time of 15

thinkphp Convention Configuration ExplainedCategory: PHP time: August 18, 2015The thinkphp Framework is one of the best PHP frameworks developed in the country, and the thinkphp documentation and code comments are in Chinese, which is very handy to