draftsight commands

Detailed explanation of linux sed commands and sed commandsIntroduction Sed is an online editor that processes a row of content at a time. During processing, the currently processed rows are stored in the temporary buffer, called the pattern space. Then, the sed command is used to process the content in the buffer, send the buffer content to the screen. Next, process the next row, and repeat until the end of the file. The file content is not changed u

Common commands in Linux and Common commands in linux Including date and time, viewing hard disk information, shutdown and restart, output and view, archiving and compression, and searching.Date and Time The operation here is equivalent to clicking the time in the lower right corner of windows to view the system date and time. Practice: View hardware information Including PCI device information

MySQL database basic commands (favorites), mysql commands I sorted out the basic mysql commands and shared them. # Start, stop, and restart MySql service mysql start | stop | restart/etc/init. d/mysql restart | start | restart # connect to MySQL database mysql-h127.0.0.1-uroot-p123456 # view MySQL version select version () # display database show databases # us

Five search commands in Linux and five search commands in Linux Recently, I am studying Linux. Below are some notes. When using a computer, you often need to find files. In Linux, there are many ways to do this. The foreign website LinuxHaxor summarizes Five Commands. You can check several of them. Most programmers may often use two to three of them. There should

A client written in Python sends commands to the server to execute the corresponding commands and returns the results. it is idle. you can use python to write a program that responds from the client and the server, the main principle is that the client communicates with the server through the tcp protocol. the client sends commands to the server. after the server

Common Linux commands (1) -- File Processing Command format: Command-option parameter example: ls-la/etc description: www.2cto. com1) when there are multiple options, you can write them together. 2) two special directories. and .., represents the current... common Linux commands (1) -- File Processing Command format: Command-option parameter example: ls-la/etc description: www.2cto.com 1) when there are mul

Common Linux commands (5) -- compression and decompression commands 1. command name: gzipwww.2cto.com execution permission: all users function description: compressed file syntax: gzip option [file] compressed format :. gzgzip can only compress files, but cannot compress directories ;... Common Linux commands (5) -- compression and decompression

The following 13 commands are the most common file processing commands in Linux. The following 13 commands are the most common file processing commands in Linux. 1) Linux file processing command: lsCommand name: lsListPath:/bin/lsExecution permission: all usersFunction description: displays directory files.Syntax: ls o

In the arm instruction set, LDR is usually used as the loading command, but it can also be used as a pseudo command.Beginners generally do not notice their differences. In fact, these two commands are very common during embedded development! We should understand their differences. The form of the LDR pseudo command is "ldr rn, = expr ". It is installed in a 32bit constant and an address to the Register.The following is an example to describe its usa

Find file search commands in linux and grep file content search commands, grep Content Search When using linux, you often need to find files. The search Commands include find and grep. The two commands are partitioned. 　　Differences(1) The find command is based onFile AttributesSearch, such as file name, file size, ow

Basic MySQL commands and basic mysql commands SQL Statement Mysql version: For mysql-5.6.36 version1.1 Common commands # View database mysql> show databases; show databases like '% pres %'; # fuzzy query # View table mysql> use xzymysql> show tables; # view permissions show grants for oldboy @ '10. 0.0.% '; # view the column mysql> use xzymysql> desc test; 1.2 l

Common Ruby Package Manager gem commands and common rubygem commands Gem-related commands 1. display the help and version of gemCopy codeThe Code is as follows:Gem-h/-- help# Display the help of gem Gem-v/-- version# Display the gem version number2. List all available software in the remote databaseCopy codeThe Code is as follows:Gem query -- remote# Short comman