In the real world, people on official business are often required to follow strict procedures when dealing with certain situations. Law enforcement officials, for example, are required to “follow p
Category: Software Design
Software design is based on the software requirements specification, designing the overall structure of the software system, dividing functional modules, determining the implementation algorithm of each module, and writing specific codes according to the functions determined in the requirements analysis stage to form a specific software design plan. Software design abstracts many things and problems, and abstracts them at different levels and angles. Decomposing a problem or thing and modularizing it makes it easy to solve the problem. The finer the decomposition, the greater the number of modules. Its side effect is to make the designer consider more coupling between modules
Use promise package AJAX
1. Encapsulate Ajax
1
2 var ajax = new Promise((resolve, reject) => {
3 var xhr = new XMLHttpRequest();
4 xhr.open(‘get’,’./test1. txt’, true);
5 xhr.send();
6 xhr.onreadystatechan
Understanding of face-to-object (Java)
1, facing the object (oop)
Object-oriented: Everything is an object, pay more attention to things, do your own things by yourself.
For example: What should I do if I want to put the ele
How to call abstract methods from abstract classes called by inheritance class
I want to call the method of the abstract class from the abstract class called by the inherited class.
Abstract class:
public abstract class Abstract {
protected void updateMotionY(flo
Haskell inheritance, data, constructor
So I want to define multiple data classes for my Asteroids game/job:
data One = One {oneVelocity :: Velocity, onePosition :: Position, (((other properties unique to One))))
data Two = Two {tw
High precision algorithm package based on class and object
High precision formula (don’t ask me where it comes from, you can’t find it on the Internet because this is what I wrote)
🙂
1. High-precision addition: add to carry and go to zero
2.
Setup mode
1. Adapter mode:
The main function of the adapter mode is to convert an interface that cannot be used by a class into a usable interface;
Second, class adapter:
/ /Achieved by inh
Inheritance, Super, this
1 /**
2 * Inheritance: Subclass inherits the attributes and behaviors of the parent class, making the subclass The object has the same properties and the same behavior as the parent class. Subcl
[WPF Custom Control Library] About ScrollViewer and Scroll-Wheel-Hijack
Original text: [WPF custom control library] About ScrollViewer and scroll-wheel-hijack (scroll-wheel-hijack)
This article introduces a very simple control inherited from ScrollViewer:
C
Segida shoes and boots Shoes work
Echter, het type is geworden, laat Nike Fresh Air Optimum los. Bovendien zijn TN SONY ERICSSON schoenen en laarzen in een ander land, nog geen enkel concept met een staat aan de onderkant waarschij