Programmer Help

QQ music player Case presentation Functions of case realization Layout of static pages Dynamic display of song information Mouse over, function button and text highlight Dynamic display of song information Song playing Progress bar display and dynamic movement Template setting and lyrics writing ...

preface     Last article We demonstrated adding Etcd data source for Configuration, and learned that it is very simple to extend the custom data source for Configuration. The core is to read the data from the data source into the specified dictionary according to certain rules, which benefits from the rationality and convenience of Microsoft d ...

This chapter includes DOM operation, CSS operation, Object (Object object Object, Array Object, Number Object, String Object, Math Object, JSON Object and Console Object) operation, which is worth collecting.1, Node 1.1 node properties Node.nodeName //Return node name, read-only Node.nodeType //Retu ...

Performance optimization of development environment Optimize packaging build speed (HMR) HMR:hot module Replacement hot module replacement: when one module changes, only the changed modules will be repackaged, not all modules, to improve the construction speed 1. The style file can use the HMR funct ...

Reference course: Mr. Chen Muxin's "Spring Security practice" Create spring boot project There are many ways to create a Spring Boot project through the Intellij IDEA. The easiest way is to use the Spring InitializrTools.Spring Initializr allows us to select some common project dependencies in advance. Here, we choose Security as the ...

Pre preparation First of all, it's better to know a little about oc grammar, otherwise many of them can't be understood Create declaration file nativeModule.h #import <Foundation/Foundation.h> #import <React/RCTBridgeModule.h> @interface nativeModule : NSObject <RCTBridgeModule> @end Create the file nativeModule.m #impor ...

catalog 1, Scene 2, Questions 3, Troubleshooting steps 4, Example 5, Questions 1, Scene There are often List fields in entities that need to be mapped mybatis plus provides annotation mode for direct injection. The portal: Portal - field type processor 2, Questions The addition, deletion and ...

1. Introduction to layui Layui is a front-end UI framework written with its own module specification. It follows the writing and organization form of native HTML/CSS/JS. The threshold is very low. It is very suitable for the rapid development of the interface. Unlike those UI frameworks based on MVVM, layui does not need complex configuration o ...

HttpClient HttpClient is a special object. Although it inherits the IDisposable interface, it can be shared (or reused) and thread safe. From the project experience, it is recommended to reuse the HttpClient instance throughout the application life cycle, rather than instantiate one every time an RPC request occurs. c ...

Front end Vue Using constructors to build Websocket objects WebSocket(url[, protocols]) The callback functions of the object are: WebSocket.onclose Used to specify the callback function after the connection is closed. WebSocket.onerror Used to specify the callback function after a connection fa ...