Redis series, how redis executes commands

preface The last article introduced the structure of sds and how to use sds. In this chapter, we will go back to the place of reading io data to see how redis reads data from io and finally converts it into the process of executing commands. This article needs to be familiar with the previous two articles first. Students who haven't read ...

Posted by dustbuster on Tue, 10 May 2022 08:16:03 +0300

C language implementation of simplex method

Xia Hao momentum Abstract: in operations research, it is complex to solve linear programming problems manually by using the classical simplex method, but it can be realized quickly by using the powerful computing power of computer. In this paper, the algorithm of classical simplex method is implemented with the help of traditional C language, ...

Posted by Lauram340 on Mon, 09 May 2022 12:54:23 +0300

Simple calculator (implemented in C language)

A simple calculator Title Requirements: Simulate the operation of a simple arithmetic unit. Assuming that the calculator can only perform addition, subtraction, multiplication and division, and the operands and results are integers, the four operators have the same priority and are calculated from left to right. Input format: Input gives a ...

Posted by Lessur on Mon, 09 May 2022 02:04:30 +0300

"C language introduction guide" Collection Edition, is this enough for learning C language?

preface: "C language introduction guide", the full text is divided into three parts, with a total of 34248 words. This is a collection version, which is suitable for beginners to get started with C language. Non beginners can also review the relevant knowledge points of C language through this article to strengthen their memory! Thir ...

Posted by kuma on Mon, 09 May 2022 01:56:03 +0300

C language learning notes (beginner) (from zero to function)

Introduction to C language C language is a process oriented and abstract general programming language, which is widely used in the bottom development. C language has the characteristics of high efficiency, flexibility, rich functions, strong expression and high portability. It is favored in program design. C language compiler generally exists ...

Posted by LightningSt on Sun, 08 May 2022 23:45:25 +0300

Clue binary tree

Clue binary tree This paper refers to the data structure of Dahua principle For a binary list with n nodes, each node has a pointer field pointing to the left and right children, so there are 2n pointer fields in total. The binary tree with n nodes has a total of n-1 branches, that is, there are 2n-(n-1)=n+1 empty finger needle fields. ...

Posted by Satria Ox41464b on Sun, 08 May 2022 08:35:18 +0300

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