Linux network development tutorial 13_ Extended usage of data transceiver

Both write() and send() can send and receive data. What's the difference?send can use flags to specify optional information, where 0 indicates the default sending behaviorsend when the flags are 0, it will wait for the data in the transmission buffer to be cleared before putting the data into the transmission buffer and then returningwrite cann ...

Posted by php_blob on Sat, 07 May 2022 05:21:29 +0300

C and pointer Chapter 12 linked list

http://c.biancheng.net/view/3338.html Basic operation of linked list (single linked list) and its implementation in C language One by one data in the logical structure is not like that in the actual storage Sequence table That's close to each other. On the contrary, data is randomly distributed in various locations in memory. This storage str ...

Posted by Heatmizer20 on Sat, 07 May 2022 00:52:33 +0300

The fourth day of playing 51 single chip microcomputer in 14 days -- want to see the wind, want to see the sea, and want to see how the IO port plays input

preface Yang Zhi's single chip microcomputer column has many pictures and explanations, so as to reduce some pain on the way of learning single chip microcomputer Although it's 14 days, I've been getting closer for half a month and only half. After looking at the knowledge behind me, I can't say much. I'm already buying STM32 board, an ...

Posted by intermediate on Fri, 06 May 2022 03:16:16 +0300

[linux] system call version serial port analysis & source code combat

content foreword refer to 1. Practical analysis 1.1 Development steps 1.1.1 Get serial device path 1.1.2 Open device file 1.1.3 Configure serial port termios structure 1. c_iflag input mode flag 2. c_oflag output mode flag 3. c_cflag control mode flag 4. c_lflag local mode flag 5. c_cc[NCCS] control character 6. c_ispeed and c_ospeed baud ...

Posted by hadingrh on Thu, 05 May 2022 15:13:48 +0300

Gobang game [Code]

1, Rules of Sanzi chess game2, Program implementation idea3, Implementation of sub functions 3.1 chessboard initialization function3.2 printing chessboard function3.3 player chess function3.4 computer chess function3.5 win lose function3.6 judge whether the chessboard is full 4, Complete program5, Finally, the effect is achieved 1, ...

Posted by anoopd on Thu, 05 May 2022 12:27:41 +0300

MOOC 06 - Figure 3 six dimensional space

The "six degree space" theory is also known as the "Six Degrees of Separation" theory. This theory can be popularly stated as: "there will be no more than six people between you and any stranger, that is, you can know any stranger through up to five people." As shown in Figure 1: Although the "six dimensi ...

Posted by DragonHighLord on Wed, 04 May 2022 13:11:02 +0300

< data structure > eight sorting

catalogue         Overview of common algorithm sorting 1. Direct insert sort         Direct insert sort property summary 2. Hill sort         Hill sort properties summary 3. Select sort         Select sort property summary 4. Heap sort         Summary of heap sort characteristics 5. Bubble sorting         Bubble sorting characteristi ...

Posted by madmax on Wed, 04 May 2022 10:18:28 +0300

Data structure Exercise - linked list (linear list, stack and queue) - delete elements greater than x and less than y in the linked list / local inversion of single linked list

Article launch and subsequent updates: https://mwhls.top/1034.html For new updates, please go to mwhls.top see. There is no picture / format error. Please check the first page of the article at the top. Data structure Exercise directory Single choice questions If the head of the single linked list that does not take the lead no ...

Posted by james182 on Tue, 03 May 2022 16:20:34 +0300

Find two numbers that occur only once in a set of numbers

What I want to share with you today is a relatively interesting programming problem that I have done recently. I hope it will be of benefit to you. Without further ado, let’s get to the point. Simple version problem and solution Given an array nums containing only integers, each element will appear twice and only one number will appear ...

Posted by andymoo on Mon, 02 May 2022 22:29:16 +0300

Common properties + usage of CSS3 picture border

Note: At present, only some browsers support border image attribute; If the code is correct, but the content cannot be displayed, you can try to view it in another browser Syntax of picture border: border-image:border-image-source border-image-slice border-image-repeat Three parameters [picture address; clipping value; tiling method] For examp ...

Posted by Awesome Trinity on Mon, 02 May 2022 21:55:54 +0300