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Note: This article is translated from React's official blog (article address: Update on Async Rendering) Mainly describes the update direction after React, and summarizes the problems arising from the previous life cycle. Later React will gradually abandon some life cycles and increase some more practical and more realistic li ...

Preface: Recently I read a series of MySQL articles. The understanding of Mysql's basic knowledge is consistent with practice. mark it. Text: The basic knowledge of MySql is divided into four parts: first, concurrency control (read/write lock); second, transaction; third, multi-version concurrency control (MVCC); fourth, sto ...

I. Introduction One advantage of SpringBoot is Starter, because SpringBoot has many out-of-the-box Starter dependencies that make our development easy, and we don't need to focus too much on the configuration of the framework. In daily development, we will also customize some Starters, especially now the micro service framework, where a singl ...

  Routing Basics Introduction of Routing Related Objects     Create a new project ng new router --routing And use webstrom to open It is found that after the routing parameter is created, there will be an additional file app-routing.module.ts, which is the path configuration of the current application. The contents a ...

Conversion of Java Thread State and API Thread state The most authoritative information refers to the internal enumeration of java.lang.Thread$State in the official Thread source. The description simply lacks a more detailed description of the state of runnable, which should be split into read and run. In addition to the off ...

Although in Kubernetes v1.2, Kubernetes introduced the Deployments feature, Deployment manages Pod s by creating ReplicaSets, which are considered the next generation of Replication Controller. But in fact, the difference between ReplicaSet and Replication Controller is simply the type of support that its Selector supports. ReplicaSet supports ...

The first part Database profile information DB Name DB Id Instance Inst Num Release Cluster Host ---------- ----------- ------------ -------- ----------- ------------ GLOB 188430914 glob 1 9.2.0.4.0 NO b02 The second part During the sampling period of database, this part records the sam ...

introduce systemd System and Users position /usr/lib/systemd/system /usr/lib/systemd/user unit The basic unit of system management, called unit, is divided into the following types Service unit: System services Target unit: A group of units Device Unit: Hardware Device Mount Unit: Mount Point of File System Automount Unit: Au ...

How to achieve id self-growth after inserting data Reference Blog: http://www.cnblogs.com/hyzhou/archive/2012/04/12/2444158.html ORACLE SEQUENCE Usage In oracle, sequence is the serial number, which increases automatically every time it is taken. Sequence has nothing to do with tables. 1,Create Sequence First, you need to have CREATE ...

This section begins with a formal introduction to JUC collection classes. We introduce them in the order of List, Set, Map and Queue. In this section, let's take a look at CopyOnWriteArray List. Introduction to CopyOnWriteArrayList CopyOnWriteArrayList is a thread-safe variant of ArrayList, where all variable operations (add, set, etc.) ar ...