Programming VIP

　　Part I This paper introduces the ELinq mapping configuration mode based on Attribute. This paper will introduce the mapping configuration mode based on fluent API. This article still takes the customers table and Orders table of Northwind database as an example. Customers and Orders are one to many relationships. 1. Entity classes of cust ...

Zookeeper https://zookeeper.apache.org/doc/current/zookeeperOver.html ZooKeeper is a distributed, open-source coordination service for distributed applications. It exposes a simple set of primitives that distributed applications can build upon to implement higher level services for synchronization, configuration maintenance, and groups and nami ...

preface This article mainly analyzes the flow of the createBean() method of Spring IoC and the bean life cycle. Here is a general flow chart: text AbstractAutowireCapableBeanFactory#createBean @Override protected Object createBean(String beanName, RootBeanDefinition mbd, @Nullable Object[] args) throws BeanCreationException { if ( ...

catalog Exception handling of Flask development skills 1. Flash built in exception handling 2. HTTPException class analysis 3. Custom exception handling class 4. Easily define your own error class 5. Precautions I usually use in the development, or learn some of the flask development skills, need to have a more solid basis for flask. 1. F ...

1.hasClass() //Determine whether a class exists function hasClass(element, value) { var cls = value || ''; //\s Matches any white space characters, including spaces, tabs, page breaks, and so on if (cls.replace(/\s/g, '').length == 0) { return false; //Returns false when no parameter is returned ...

thread The scheduling unit of CPU is simply the end executor in the program, which is equivalent to the position of younger brother. Some people say that the thread in python is a chicken rib because of GIL, but it is not a chicken rib. After all, it works well when performing io operations, but it is unsatisfactory when performing calculation ...

The main function is to convert html to json, and then restore html by json style and script tags can be removed Convert inline styles to JS objects Convert class to array Mainly depends on htmlparser2 ; this is a powerful html parsing library with superior performance Direct code import { Parser } from "htmlparser2" const numberValueReg ...

preface This paper introduces the use of IISExpress as Host in Winform desktop application to start the Web project of. Net platform. The open source component of CEF is used for browsing Web pages. get ready First create the Winform project WinFormIISExpressHost. Then put the IISExpress folder under Bin\Debug of the project. Looking for IISExp ...

Inheritance is the basic concept of object-oriented language. Generally OO language supports two ways of inheritance: interface inheritance and implementation inheritance. Interface inheritance only inherits method signature, while implementation inheritance inherits the actual method. The function in ECMAScript is not signed, so interface i ...

Section 0.0.0 preface Monitor, operate mouse and keyboard are shortcut to realize automation, such as me Automatic check in Analog keyboard operation is used. pynput is a cross platform third-party python library that monitors and controls mouse and keyboard. You can install it through pip insnall pynput. The dependent libraries are downloaded ...