I created a custom list view control. Every time I add a new column, I set it to add a new button.
When I run the custom control that contains me In the program, the column buttons are placed corr
Tag: design
Delphi – How to make the component disappear in the form designer?
I am creating a custom control that contains other controls, including two scroll bars, one horizontal and one vertical. There is a property to set one or two scroll bars invisible, it It works fin
Mysql design and development specification
MySQL Design and Development Specification 1 Purpose The main purpose of this specification is to standardize database design and development, and try to avoid the trouble caused by improper datab
Mysql Design and Development Specification 2
Table of Contents 1. Specification background and purpose 2. Design specification 2.1. Database design 2.1.1. Library name 2.1.2. Table structure 2.1.3. Column data type optimization 2.1.4.
C # Design mode: Interpreter mode (Interpreter Pattern)
One, C# design pattern: Interpreter Pattern
1, the application of interpreter pattern is the difficulty in the application of Interpreter pattern, only to meet the “frequent changes in busine
OOP – object-oriented design principle abstraction
While reading abstraction, I came across the following statement
“Abstraction only captures the details of objects related to the current perspective”
For example.
From the driver’s poi
OOP – object-oriented design problem
I will use Java (or other OO language) to develop a Tic-Tac-Toe game. Now I have a picture of general design in my mind.
Categories:
Board class, With a two-dimensional integer array, 0 means
Talk to me in this company SSO
Recently, Xiaoming encountered a demand: several independent systems (subsystems) need to be aggregated into a centralized system (parent system). After the user logs in on the parent system, click
Design mode – decorator mode
Define
The decorator pattern dynamically attaches responsibility to the object. To extend functionality, decorators provide a more flexible alternative than inheritance.
Implementation points
Design mode 6 principle
1. OCP–open close principle is the The cornerstone of “reuse design”. The “open” in the opening and closing principle means that the expansion of the component function is open. When the de