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preface In 2014, Gabriele Cirulli spent the weekend writing the program of 2048, which was just fun. He wants to create a different visual effect from his own animation. The game is implemented in java language, using swing technology for interface processing, and the design idea is object-oriented. Main demand Every time you control all bl ...

💖 About the author: Hello, I'm brother cheshen, cheshen at No. 18 Fuxue road 🥇 ⚡ About - > Che Shen: the fastest time from the bedroom to the laboratory is 3 minutes, and the slowest time is 3.5 minutes (that half minute is actually waiting for the traffic light) 📝 Personal homepage: Drivers only need cars and hands, and the pressure com ...

preface Binary search tree, also known as binary sort tree, is either an empty tree or a binary tree with the following properties: If its left subtree is not empty, the value of all nodes on the left subtree is less than that of the root nodeIf its right subtree is not empty, the value of all nodes on the right subtree is greater than that o ...

Write in front Friends, we meet again ~ this article has been delayed again and again, and finally finished. This article talks about several true topics of investigating DFS and BFS in the Blue Bridge Cup. You can take a look at the previous two articles, which are very detailed about search. [10000 words] preparation for Blue Bridge Cup algo ...

1.let & const let, similar to var, is used to declare variables characteristic: let cannot declare variables repeatedly, var can declare variables repeatedly;Block level scope: there are global scope, function scope and eval scope in es5; Block level scope is introduced in es6, and the variables declared by let are valid in the block l ...

CommonJS usage Note: exports, not exports export //Through module Exports exports an object that stores function functions or data or a specific value //When importing, use the user-defined variable obj FN1 () can be used module.exports = { fn1: function () { console.log("fn1") }, flag: true, arr: [], } //You can also export dire ...

Jump straight to the end Get the complete source code Today, I'll take you to create with HTML, CSS and JS music player , no other libraries are used. Our music player has three parts. Home screen, player section and playlist section. Our home page section has a smooth work slider and horizontal scrolling. The best part of this music play ...

introduce vue-element-admin Is a background front-end solution based on vue and element-ui realization. It uses the latest front-end technology stack, built-in i18 internationalization solution, dynamic routing and permission verification, refines the typical business model and provides rich functional components. It can help you quickly build ...

setup () Setup () is a vue3 newly added component. Vue3 adopts the composite API. In order to use the composite API, we need an entry, which is called setup in the vue3 component. (to put it simply, do not use the data, method and calculated in vue2. All data and methods are written in setup.) Let's take a simple example: <template> ...

Monitor concept Java object header Take 32-bit virtual machine as an example Common object Array object The Mark Word structure is 64 bit virtual machine Mark Word reference material https://stackoverflow.com/questions/26357186/what-is-in-java-object-header Principle of Monitor (lock) Monitor is translated into monitor or tube Eac ...