Programmer Think

There are some problems in the traditional master-slave architecture in the previous article (for example, single point of failure, etc.), which will be solved by adding new content in this blog. 1, MHA concept MHA (MasterHigh Availability) is a set of excellent software for failover and master-slave replication in MySQL high availability ...

My father really loves basketball. He basically pursues it every season. I'm different. I haven't seen much basketball since I graduated from high school. Therefore, I have a feeling, whether I can crawl some information of active players to see if I still have a few acquaintances. 1. Page analysis The page I crawled is Tencent sports, and t ...

Introduction and use of stack stack is a container adapter, which is specially used in the context of last in first out operation. Its deletion can only insert and extract elements from one end of the container.Stack is implemented as a container adapter. A container adapter encapsulates a specific class as its underlying container, and pr ...

The article was first published on personal blog Small gray spaceNormalization optionsWhen new Vue creates a Vue instance for initialization, the first operation is the merge option. In the merge option, there are different merge strategies for different scenariosif (options && options._isComponent) { // When initializing subcomponent ...

3.1 introduction The so-called class singleton design pattern is to take certain methods to ensure that there can only be one object instance for a class in the whole software system, and the class only provides a method to obtain its object instance (static method). 3.2 eight ways of single case design mode 1) Hungry Han formula (static con ...

The so-called people gather in groups and things divide in groups. People like to be with people who have the same personality and hobbies. Commonly known as: get along! Pretty boy, I like you very much~ A and B were childhood sweethearts. A met C through B and found that their interests and hobbies were surprisingly consistent. The three g ...

Thumbnail is a thumbnail generation library for Java. Supported processing operations: image scaling, region clipping, watermark, rotation, maintaining proportion. 1. Why use thumbnail Making high-quality thumbnails in Java is a very difficult task. Learn how to use image I/O API, Java 2D API, image processing, image scaling technology,... ...

preface Learning objectives of this project: Mainly through project-oriented learning of JavaScript, vue, cookie s, separation of front and back ends, etc 1, Ada bank-2 Refactor, a bank project, introduces a high-performance data persistence scheme. Screenshot: 2, Some thoughts after the completion of the project 1. What is web ...

Summary of simulated interview questions  First round interview questions catalogue Summary of simulated interview questions First round interview questions 1, Describe the characteristics of the transaction ACID in the database. 2, What is springboot? Which version does your company use? Second round interview questions The third round ...

The previous analysis shows how the android HAL layer searches for the dynamic shared library of hardware modules. In fact, it is to find the shared library modueid under the two paths of "system/lib/hw /" or "/ vendor/lib/hw /" variant. After so, load the library by calling the load function. Now let's enter the load funct ...