BST

DefinitionIn a Binary Search tree:If the left subtree of any node is not empty, then the value of all the nodes in the left subtree is less than the v

发布于 2021-07-03

Notes #Database

Notes of SQL DB''s Transaction and ACID

TransactionWhat:A Transaction is a set of operations that satisfy ACID, either committed through a COMMIT or rolled back with ROLLBACK.ACID:1. Atomict

发布于 2021-07-03

Notes #Java

Introduction of Java Collections

IntroA container is an object that can hold other Java objects. Java Collections Framework(JCF) Provides a generic container for Java developers, star

发布于 2021-07-03

Notes #Javascript

Practice for deploying Node.js on Heroku

1. In app.js:Import Express frameworkListen to the right port. app.listen(process.env.PORT || 8080, () => { // process.env.PORT is for Heroku

发布于 2021-07-03

Notes #Docker

[Docker] Docker Beginner''s handbook

** Sorry for Chinese content. These are my notes. **Docker 入门镜像基本命令基本的docker version # 版本信息docker info # detailed messagedocker [command] --help # hel

发布于 2021-07-03