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Source code analysis Mybatis series:1,Scanning and Construction of Mapper Objects Initialized by Mybatis MapperProxy for Source Code Analysis2,Creation process of Mybatis MappedStatement for source code analysis3,Detailed description of four basic components for Mybatis to execute SQL This article will introduce the whole process of execution ...

I. Introduction Previously, the editor talked about the use of MP from introduction to core functions. In the next few days, the editor will record some commonly used advanced functions of MP in practical projects. Advanced functions are divide ...

ASP.NET MVC calls database data in JSON way to generate statistical graphs ASP.NET MVC Profile: ASP.NET MVC Profile: As the name suggests, the features of this technology are: M: Model; V: Views; C: Controller. Model: A set of classes ...

This update mainly solves the problem that the download links of old pages may be in Thunderbolt and ftp format, and that they should be duplicated, because each page has a recommendation list, which will also contain relevant detailed links, as well as compatible with other page formats. Two methods are updated: public static void spider(int p ...

Preface In commodity second killing activities, such as commodity inventory is only 100, but in the rush buying activities, there may be 200 people rushing to buy at the same time, so there is concurrence, 100 items of goods under order to complete the inventory of 0, and may continue to order successfully, there is oversold. To solve this prob ...

I. Preface Originally, this article was written when we need to use it later, but since we write about the expansion of expressions, we should finish it together. Looking at this heading, there is a question: Lambda expression is an expression tree, how do we extend it? Look at the following and you will see. Expressions Series Directory C# ...

The new version of SwiftDate has some major updates, removes the original DateFormat and adds something new. 1. String to Date SwiftDate can automatically identify the mainstream time formats (ISO8601, RSS, Alt RSS,. NET, SQL, HTTP...), and you can also specify formats manually. Creating a new Date has never been so easy. // All default datetim ...

Data access, startup principle analysis, custom starter 1. SpringBoot and Data Access 1,JDBC <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dep ...

-- Example table CREATE TABLE `employees` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(24) NOT NULL DEFAULT '' COMMENT 'Full name', `age` int(20) NOT NULL DEFAULT '0' COMMENT 'Age', `position` varchar(20) NOT NULL DEFAULT '' COMMENT 'position', `hire_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMEST ...

How to achieve the simplest registration function, that is, to enter data in an HTML page, transfer it to the database, then get the data from the database, and if the data exists, complete the final response. Beginners, many things are incomplete, t ...