SSM development book review network 22: realize the member login function; (the core of this blog is to be familiar with the processing logic of logging in.)

explain: (1) The main content of this blog: realize the member login function; (including front-end and back-end business logic of member login) (2) Some notes of this blog: ● in front[ (12) Muke OA system (Mybatis project case, more important!) ]In, member login has also been realized; You can quickly refer to the content there and co ...

Added by Slip on Mon, 10 Jan 2022 06:44:27 +0200

Talk about what's new with Java 9-17

The introduction of Lambda expressions and streams in Java 8 has brought a functional programming style. In the future, the pace of java version release will be accelerated, and a new version will be switched every six months. Many new features may not be clear to many people. Although most of today's scenarios are Java 8, it is also necessary ...

Added by fazbob on Mon, 10 Jan 2022 06:10:50 +0200

spring source code refresh Part 2

Hello, I'm a classmate of programmer TianThe previous article gave an overall interpretation of the spring core startup method refresh, but only in general. Next, a systematic article will be published to deeply interpret the source code of each method.For the first article, see Method overview of spring source code First, the first method is t ...

Added by monkeymade on Mon, 10 Jan 2022 05:53:03 +0200

Python in depth training notes IV

catalogue 1, Semaphore 1. What is a semaphore? 2. How? 2, Conditional variable 1. What are conditional variables? 2. How? 3, Events 1. What is an event? 2. How? 1, Semaphore 1. What is a semaphore? Semaphore is an abstract data type managed by the operating system, which is used to synchronize the use of shared resources in m ...

Added by GRUMBLE on Mon, 10 Jan 2022 04:58:29 +0200

Spring cloud Ribbon for service call

Pre content (1),Introduction to microservice theory and take you hand-in-hand to build a microservice environment, pay and write orders (2),Eureka service registration and discovery in spring cloud (3),Spring cloud Zookeeper for service registration and discovery (4),Consul of spring cloud for service registration and discovery 1,Robb ...

Added by smacpettit on Mon, 10 Jan 2022 03:35:45 +0200

Python learning diary day30

Content: Object Oriented Programming Three characteristics of object-oriented: Encapsulation Hide the details of the object and only provide the necessary methods. It is equivalent to blocking the details and exposing only the relevant calling methods. Inherit Inheritance can make subclasses have the characteristics of parent classes and impro ...

Added by dustinkrysak on Mon, 10 Jan 2022 03:16:10 +0200

Expert PID (implemented in C language)

1, Principle of expert PID Expert PID control mainly uses the knowledge of controlled object and control law to control. For the controlled object, there is no need for accurate model, and expert experience is used to design and control the system model. For the control of system model, expert PID has flexibility, adaptability and robustness. ...

Added by py343 on Mon, 10 Jan 2022 01:06:52 +0200

Loading and initialization like jvm

3, Class loading and initialization Interview questions: Describe the hierarchy of class loaders? Parental delegation Why parent delegation How is the Class file loaded into memory and executed [external link image transfer failed. The source station may have anti-theft chain mechanism. It is recommended to save the image and upload ...

Added by arbab on Sun, 09 Jan 2022 18:57:26 +0200

Quick final review of object-oriented Java

The exam will be held tomorrow. Today, there is a wave of review and continuous updating... JAVA core knowledge points induction Fundamentals of programming 1, Basic knowledge identifier Java identifiers are the names given to variables, classes, or methods. A simple understanding is to name yourself. Rule: 1 Letters, underscores () Begin ...

Added by andyjimmy on Sun, 09 Jan 2022 15:28:13 +0200

Array and Application

catalogue 1> Initial array 1.1 vessel concept 1.2 array concept 1.3 definition of array 1.3.1 static creation 1.3.2 dynamic creation 1.3.3 traversing arrays using loops 1.4 precautions for using arrays 1.5 why learn arrays? 1.6 application of array 1> Initial array 1.1 vessel concept Used to store data sets, multiple da ...

Added by miesemer on Sun, 09 Jan 2022 15:20:25 +0200