The Way to Learn JavaSE Texts: [Object-Oriented-----------]

Catalog Chapter 1: Inheritance (Extexnds) 1.1 What is inheritance?Effect? 2.1 Inherit related attributes 3.1 Method Override (OverRide) Chapter II: Polymorphism 1.1 What is polymorphism? 2.1 Basic Grammar 3.1 instanceof operator 4.1 super keyword That's all for today's sharing!!!~ Learn together, ...

Posted by benz862 on Fri, 26 Jun 2020 17:57:47 -0700

Touch your hand, take you to understand Vue's Computed principle

preface Computed is a very common property configuration in Vue. It can change with the change of dependent properties, which brings us great convenience. So this article will take you to fully understand the internal principle and workflow of computed. Before that, I hope you can have some understanding of the responsive principle, because com ...

Posted by loudrake on Fri, 26 Jun 2020 01:17:48 -0700

OpenGL foundation 27: Grid

1, Grid Mesh: a model is composed of several sub models / shapes. Those sub models / shapes in the model are a mesh. A mesh is the smallest unit of drawing objects in OpenGL Literally, it means the following: In fact, if you are a game opening related worker or have known graphics, you should be familiar with the word mesh. The general imp ...

Posted by eideticmnemonic on Thu, 25 Jun 2020 01:53:52 -0700

The foundation of JavaScript

Introduction to JavaScript The birth of JavaScript language is mainly to complete the data verification of the page. So it runs on the client side and needs to run a browser to parse and execute JavaScript code. js is a product of Netscape Netscape. It was first named LiveScript to attract more java programmers. Renamed JavaScript (js is weak t ...

Posted by thestars on Tue, 23 Jun 2020 20:50:14 -0700

05 CSS from principle to proficiency - 1

Introduction to CSS The function and development of CSS What is CSS? (1) CSS (Cascading Style Sheet) is called Cascading Style Sheet. (2) It is a kind of document that describes the expression of structural documents, mainly used for web page style design, including font size, color, and accurate ...

Posted by SquirrelJ on Tue, 23 Jun 2020 20:11:17 -0700

JavaWeb-6, filter, listener

JavaWeb-6, filter, listener 1. Filter Is there such a pain when we write servlets? Every time, we need to set the page code at the beginning of the servlet. If there are fewer servlets in the project, it's OK. But if there are dozens or even hundreds of servlets in the project, it's a bit hard. At t ...

Posted by roygbiv on Tue, 23 Jun 2020 00:42:56 -0700

Java basic knowledge: object oriented

object-oriented 1. Definition of object-oriented Creating objects can be things or things. In the program, objects are used to map things in reality, and objects are used to describe the relationship between them.2, Features of object-orientedEncapsulation Encapsulation is the core idea of object-ori ...

Posted by tomlei on Mon, 22 Jun 2020 23:39:31 -0700

Vue basic knowledge summary (absolute classic)

Last night at 23:00, Vue, officially fired the first shot! In three and a half years, we will move forward to the whole stack, strive to become an architect within three years, and become the mainstay of the world's top 500 companies. fighting never stops. Come on! 1, Introduction Vue (pronunciat ...

Posted by André D on Mon, 22 Jun 2020 20:14:43 -0700

JS life from scratch -- BOM, DOM and events in JS

According to the previous reply, variables, operators, branches, loops and nested loops in JS. This time, Ben K will nag everyone about BOM, DOM and events in JS. 1, "Flower heart Radish" -- BOM 1. Shocked, why FFF group raised the torch to BOM -- Introduction to BOM BOM(Browser Object Mode ...

Posted by phpforever on Mon, 22 Jun 2020 19:58:00 -0700

Python notes - special exercises and answers

1. Output hello world on the screen print("hello world") 2. Try to define several variable types int type float type bool type string type a=1 b=1.0 c=2-1>2 d="f" print(type(a),type(b),type©,type(d)) 3. Try adding numeric types to see the result types a=1 b=1.0 print(type(a+b)) 4. Get the string e ...

Posted by evilcoder on Sun, 21 Jun 2020 22:04:38 -0700