In our project, there is a scenario: a drop-down selection box, which supports user input and displays the final result in the text box (that is, ordinary string, and the user's selection in the drop-down box is in ) I don't know if I can imagine that when I write a note, it's a little close to the function of choosing "tag tag" in ...
Posted by bidnshop on Sat, 28 Mar 2020 04:15:35 -0700
Calculator implemented with object-oriented logic
public int Add(int i, int j)
return i + j;
public int Mul(int i, int j)
return i - j;
public int Max(int i ...
Posted by latinofever on Mon, 02 Mar 2020 17:26:01 -0800
1, layout in Android
1. Linear Layout: it is divided into vertical Linear Layout (android:orientation = "vertical") and horizontal Linear Layout (android:orientation = "horizontal" / / horizontal Linear Layout) according to the arrangement direction.
When a linear layout defines an a ...
Posted by bruceleejr on Sat, 29 Feb 2020 23:52:43 -0800
Separation of implementation and declaration
Do not use using namespace std;
The enhancement of C + + to C language
Key 1 references
Notes for reference
The nature of quotation
Member function call const to decorate object instance
Posted by Jabop on Mon, 24 Feb 2020 23:27:01 -0800
This is a si ...
Posted by compsci on Sun, 23 Feb 2020 22:24:32 -0800
Glide is now the most widely used image loading framework, and has always wanted to work on it. Every time, it is deeply involved in it... This time, I will make a thorough analysis of it and try to cover the whole process and its details.
This article's Glide parsing is based on the latest version 4.1 ...
Posted by opalelement on Mon, 17 Feb 2020 02:08:51 -0800
1, Main documents
2, Start using and experience react scaffold
npx create-react-app react-app-demo
3, Follow the document
Rendering an element
ReactDOM.render(<h1>Hello, world!</h1>, document.getElementById('root'));
Use of rendering JSX
const name = ...
Posted by Niruth on Wed, 12 Feb 2020 08:44:27 -0800
gSOAP is used to implement a simple server and proxy for four operations.
Table of Contents
Write the header file calc.h
Generate header file calc.h
How to use wsdl2h
Generate server and client (agent) programs
How to use soapcpp2
Client & server code
Posted by wangsc66 on Tue, 11 Feb 2020 06:21:00 -0800
Simple factory class of C design pattern
If a class is compared to a product, a new object is to produce a product.
Now there are several classes that we need to selectively produce. Then we will introduce a concept called factory.
What is a factory?
The factory is the place where all ...
Posted by crash58 on Fri, 07 Feb 2020 00:28:38 -0800
Let's first look at the effect:
With Python, I made a very revealing artifact on the recent trembling sound. Welcome all of you guys guidance.
Without much nonsense, go straight to the code:
python learning group.png
-- coding: utf-8 --
from PyQt5 import QtWidgets
From pyqt5 ...
Posted by 6pandn21 on Fri, 31 Jan 2020 15:46:22 -0800