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Recently, I am writing JNI, and I intend to use java to call C or C + + to operate the underlying API of the operating system. MFC programming is a very old technology. A large number of windows APIs are provided in the MFC library, so we are going to write JNI to call the underlying Windows API. Because I am used to using the products of Jetb ...

preface This article is completely free!!! This article is completely free!!! This article is completely free!!! Important things are said three times. All articles are paid for in their own research. Even if they are free, they only say general or a little, which is really disgusting. This article is mainly about the installation and depl ...

Summary of Presto+Ranger source code compilation problems Recently, I want to integrate prestodb and ranger, so I want to know more about presto and add Ranger plug-ins. To this end, I compiled the source code of presto and ran 0 7.1 (online version) compiled the source code. presto is compiled on win10, and ranger is compiled on Ubuntu 16 04 ...

1. Preparatory work Download mybatis: https://github.com/mybatis/mybatis-3/releases Download mysql driver: https://mvnrepository.com/artifact/mysql/mysql-connector-java Here I use the latest version of mybatis-3.5.9 and mysql-connector-java-8.0.22 jar. 2. Build development environment (1) Create mysql database and tables Database name: ...

brief introduction Thymeleaf is a modern server-side Java template engine suitable for Web and stand-alone environments. Thymeleaf's main goal is to bring elegant natural templates to your development workflow - HTML can be displayed correctly in the browser or used as a static prototype, so as to achieve stronger collaboration among the deve ...

I Spring concept Spring is a lightweight J2EE framework, which can solve the complexity of enterprise application development. Spring has two core parts, IOC and AOP. (1) IOC: control reversal. Leave the process of creating objects to Spring for management. (2) AOP: facet oriented. Function enhancement without modifying the source code. Sp ...

How to make the greedy snake eat a food or get a certain integral faster? Boss, solve Welcome to the Markdown editor Hello! This is the welcome page displayed by the Markdown editor for the first time. If you want to learn how to use the Markdown editor, you can read this article carefully to understand the basic grammar of Markdown. New cha ...

catalogue Object class 1. toString() 2. equals() 3. hashCode() Object class We say that the object class is the parent class of all classes (all classes here include classes defined in java and classes created by yourself). All classes inherit object by default and are the ancestors of all classes Objects of all our classes can be recei ...

Two dimensional array transformation Remodeling matrix Topic introduction Train of thought analysis This question can be written according to the meaning of the question, but before traversing the two-dimensional array, judge whether the given r and c are reasonable in advance. If not, just return directly.When the product of r and ...

👏 About the author: Hello, I'm cabbage ~ ~, a sophomore in school, and a new star creator in the Java field.📝 Personal homepage: Cabbage CSDN blog📕 Series column: This article is written in the Java design pattern column: Spring5 knowledge record📧 If there are mistakes in the knowledge points of the article, please correct them! Learn and m ...