Beauty of mybatis source code: 2.8. Parse the objectFactory element and configure the object creation factory of mybatis

Parse the objectFactory element and configure the object creation factory of mybatis In Mybatis, there are many operations to instantiate objects through reflection, such as converting JDBC operation results to specific instance objects based on reflection. For example, the following data are available: MYSQL data: Name Sex (sex) Age panda ...

Posted by gazoo on Fri, 26 Jun 2020 20:48:57 -0700

Beauty of mybatis source code: 2.7. Analyze the plugins element to complete the configuration of mybatis plug-in

Parse the plugins element to complete the configuration of mybatis plug-in > Click to see the usage of the typeAliases element The plug-in mechanism of Mybtis is a very powerful function, which allows us to cut into the inside of Mybatis to perform some of the things we want to do during the operation of Mybatis. Page helper, a popular pagin ...

Posted by mistercoffee on Fri, 26 Jun 2020 20:44:20 -0700

MySQL -- DML (add, delete and modify) language

Preface: to every reader: Hello! My name is Changlon. I'm a runner who runs on the road of programming like you, hoping to change the world and improve your life with programming. First intention of writing article: convenient for review later, convenient for future interview, make more friends, exchan ...

Posted by eflopez on Fri, 26 Jun 2020 01:03:18 -0700

Akka typed - cqrs read write separation mode

Event source and cluster are introduced earlier. Now it's time to discuss CQRS. CQRS is the mode of separation of reading and writing, which is composed of independent writer program and reader program. The specific principle has been introduced in previous blogs. Akka typed should naturally support ...

Posted by dustbuster on Thu, 25 Jun 2020 19:26:59 -0700

Practical AbbitMQ tips that took 3 days to summarize

Previously read articles about RabbitMQ core messaging patterns are based on Java API s, and recently read the official documentation and found that these core messaging patterns can be implemented through Spring AMQP.This paper summarizes the practical techniques of RabbitMQ, including its installation on Windows and Linux, and the Spring A ...

Posted by shamuntoha on Thu, 25 Jun 2020 09:15:41 -0700

AOP of Spring core

What is AOP AOP (aspect oriented programming): aspect oriented programming is a complement to traditional object-oriented programming. What do you mean? For example, in the above figure, there are many identical function codes in different methods. Then we can extract these identical function codes an ...

Posted by poring on Thu, 25 Jun 2020 03:36:00 -0700

The algorithm of python Development & data structure

The algorithm of python Development & data structure (4) data structure 1. Circular queue 2. Python queue built-in module 3. List 3.1 creating a linked list 3.2 insertion of linked list nodes 3.3 deletion of linked list nodes 4. Double linked list 4.1 insertion of double linked list nodes 4.2 ...

Posted by sm on Thu, 25 Jun 2020 02:27:58 -0700

Spring - third day of study (IOC at the core of Spring)

Spring Day 3 Introduction to AOP What is AOP? The Role and Advantage of AOP Effect advantage Introducing learning cases - adding transaction support to the business tier Terminology related to AOP Joinpoint Pointcut (entry point) Advice (Notification/Enhancement) Introduction (Introduction) Targe ...

Posted by dominod on Wed, 24 Jun 2020 19:09:26 -0700

What are the mechanisms, differences and meanings of mutually exclusive access to Linux multithreaded global variables?

Write before: Why write this article, I began to understand these three quantities very hard, gnawed for a long time "Modern Operating System", also read a lot of blogs, and finally a little experience.This article is based on that brick book and some blogs, with a personal summary and underst ...

Posted by SsirhC on Wed, 24 Jun 2020 18:49:52 -0700

Chain lists, trees, diagrams, and recursive notes in data structures

1. Structures Structures are important in data structures, so first understand the structure-related knowledge points. struct LNode{ int data; char name[20]; }; //struct is the keyword that defines the structure, and LNode is the name of the structure //For example, create an object for the previous ...

Posted by Lonepig on Wed, 24 Jun 2020 18:23:56 -0700