Programmer Group

It will be the top of the mountain | @Author: TTODS MyBatisPlus framework series article directory: Spring boot integrates MybatisPlus CRUD of MyBatisPlus Mapper layer CRUD of MyBatisPlus Service layer Paging function provided by MyBatisPlus Field filling of MyBatisPlus (current) Logical deletion of MyBatisPlus Optimistic lock of ...

How Nginx works, configuration 1. Nginx module Nginx consists of a kernel and modules. The design of the kernel is very small and concise, and the work done is very simple. The client request is mapped to a location block only by looking up the configuration file (location is an instruction in the nginx configuration for URL matching), Each i ...

This time, we mainly introduce various properties defined in the class, such as class properties, instance properties, private properties of the class, and various methods, such as instance methods, class methods, static methods, and   Property property method and other related knowledge. 🚀 Look at a piece of code class Tool(object): ...

Previous: Vue2.x source code learning preparation This article mainly looks at the mixing of initMixin and the initProxy(vm), initInjections(vm) and initProvide(vm) methods involved; preparation When we use Vue, we initialize it through new Vue(). Where does this Vue come from? 1. Vue introduced in main.js is exposed in the entry file ...

Inheritance is one of the most remarkable features of object-oriented. Inheritance is to derive a new class from an existing class. The new class can absorb the data properties and behaviors of the existing class and expand new capabilities 1, Concept of inheritance That is, the subclass inherits the properties and behaviors of the parent c ...

preface In the field of multithreading, the so-called blocking will suspend the thread (i.e. blocking) in some cases. Once the conditions are met, the suspended thread will wake up automatically. Why do I need to block the queue? The advantage is that we don't need to care about when to block the thread and what to wake up the thread, be ...

Pointers and arrays A pointer is a variable that holds the address of a variable. Pointers are often the only way to express a computer, Using pointers usually produces more efficient and compact code. ANSI C uses the type void * (pointer to void) instead of char * as the type of general-purpose pointer. Pointer and address Generally, o ...

1 Preface Hi, everyone, this is senior Dan Cheng. Today, I'm doing an e-commerce sales forecast analysis. This is just a demo. I'm trying to analyze the film data and visualize the system Bi design help, problem opening guidance, technical solutions 🇶746876041 2 principle of spam SMS / Email Classification Algorithm Spam content is oft ...

Cerebral fissure In the high availability (HA) system, when the "heartbeat line" connecting two nodes is disconnected, the HA system, which is originally a whole and coordinated action, will be split into two independent individuals. Because they lost contact with each other, they all thought it was the other party's fault. The HA ...

catalogue 1. Run last failed case 2. View and clear cache   2.1,--cache-show 2.2,--cache-clear  3. Custom tag mark   1. Run last failed case All use cases are executed, and the first partial use cases fail. At this time, after the tested system is repaired, the last failed use case can be executed. On the command line, ente ...