Remember to parse the string once: find the starting position of the specified N strings in the target string

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

.Net Module Encapsulation

Module Encapsulation Programming Calculator implemented with object-oriented logic class Calcuator { 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

Android learning note 5, introduction to some Android methods

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

C + + details

Article directory 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 Pointer reference Constant reference Member function call const to decorate object instance Construction ...

Posted by Jabop on Mon, 24 Feb 2020 23:27:01 -0800

javascript brief demo understanding, object, BOM

Document is a javascript built-in object that represents the document part of the browser document.write("Hello Javascript"); writes a string to the document <html> <body> </body> <script> document.write("Hello Javascript"); </script> </html> This is a si ...

Posted by compsci on Sun, 23 Feb 2020 22:24:32 -0800

Glide decryption

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

Tomato alarm one (the framework of react antd typescript)

1, Main documents React React Router Ant design TypeScript Redux 2, Start using and experience react scaffold npx create-react-app react-app-demo cd react-app-demo yarn start 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] gSOAP generates service proxy and Object C language code example

gSOAP is used to implement a simple server and proxy for four operations. Table of Contents Header file 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 Complete makefile Client & server code Serve ...

Posted by wangsc66 on Tue, 11 Feb 2020 06:21:00 -0800

C ා design mode III (simple factory class)

Simple factory class of C design pattern I. Introduction 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

Python to write mandatory rogue software, can express, but other!

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. Demand: Python3.6 PyQT5 Library Without much nonsense, go straight to the code: python learning group.png -- coding: utf-8 -- import sys from PyQt5 import QtWidgets From pyqt5 ...

Posted by 6pandn21 on Fri, 31 Jan 2020 15:46:22 -0800