C language programming problem

C language programming problem Assignment of production practice (curriculum design) Fundamentals of subject or task programming (C) week 2 Professional computer science class level 21 related professional classes Instructor Chen Huafeng, Hu Meiyan, Graduate Teaching Assistant Internship tasks and objectives Through this training, master the ...

Posted by xoligy on Fri, 04 Mar 2022 11:58:16 +0100

Binary tree data structure

Binary tree data structure A tree whose element has at most 2 children is called a binary tree. Because each element in a binary tree can only have two children, we usually name them left and right children. The binary tree node contains the following parts. dataPointer to left childPointer to the right child Binary tree includes: Full bi ...

Posted by phorman on Fri, 04 Mar 2022 11:57:41 +0100

07-node.js client-side rendering, server-side rendering and server-side rendering message board (without database, it is suitable for novices to get started. How does the node server render pages)

1, Client side rendering and server side rendering 1. Client side rendering (SSR) Html is only a static file. When the client requests, the server does not do any processing, and directly returns it to the client in the form of the original file. Then, according to the JavaScript on HTML, DOM is generated and html is inserted. 2. Servic ...

Posted by escocia1 on Fri, 04 Mar 2022 11:52:04 +0100

USB (CH9350) note using HID device card reader

The project needs to add a card reader device without transplanting USB routines. An external chip (CH9350) is directly used, which is very stable without driving;I only use one of the functions of this chip: the conversion of HID data from USB to serial port data, the lower computer mode used, and many other functions. See the manual for detai ...

Posted by bagnallc on Fri, 04 Mar 2022 11:45:39 +0100

Day19 conversion stream, buffer stream, serialization, print stream

Conversion flow To process the flow, you need to pass in the node flow OutputStreamWriter Byte output stream to character output stream // Byte output stream FileOutputStream fos = new FileOutputStream("D:\\123.txt"); // Convert to character stream OutputStreamWriter osw = new OutputStreamWriter(fos); osw.write("xxxxxxxxxxxxx"); ...

Posted by GreenMarch on Fri, 04 Mar 2022 11:44:19 +0100

5, CSS -- the basis, nature and introduction of CSS

1, Introduction to css 1. Concept of css 1.1 what is css The web page is divided into three parts: Structure( html) Performance( css) Behavior( js) css:Cascading style sheets The web page is essentially a multi-layer structure CSS To set the style for each layer of the web page, In the end, we see the top layer of ...

Posted by IceD on Fri, 04 Mar 2022 11:42:30 +0100

Life cycle of Spring Bean

Turn: Life cycle of Spring Bean In addition to the use phase, Spring defines the bean life cycle as four phases: instantiation, attribute filling, initialization and destruction, and provides multiple extension points for each phase to customize the bean creation process. This article introduces the life cycle of bean and its expansion poin ...

Posted by tripc1 on Fri, 04 Mar 2022 11:38:56 +0100

socket network programming of liunx

Socket network programming is a technology, which is often used in network communication. The biggest difference between socket and interprocess communication is that socket network programming is based on multi machine information transmission, while the former is based on single machine. 1, Understand the difference between TCP and UDP. ① T ...

Posted by GirishR on Fri, 04 Mar 2022 11:36:18 +0100

ArryList underlying data structure and common method source code understanding

ArryList underlying data structure and common method source code understanding 1. First look at a test code package com.heyuanhang.conllention_; import java.util.ArrayList; /** * @Author He Yuanhang * @Date: 2021/4/17 12:57 * @Version 1.8 */ public class ArrayListYuanMa { public static void main(String[] args){ //The paramet ...

Posted by lailaigogo on Fri, 04 Mar 2022 11:33:55 +0100

Python advanced notes

brief introduction The basic notes introduce the basic problems such as data type and file operation. If you want to know more, you can take a look at the interviewThe advanced part mainly includes object-oriented idea, exception handling, iterator, generator and coroutine object-oriented Python has been an object-oriented language since ...

Posted by Teaky on Fri, 04 Mar 2022 11:32:25 +0100