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Linux shell Process ControlGuideUnlike Java, PHP, and other languages, linux shell has a set of its own process control statements, including conditional statements (if), cyclic statements (for, while), and select statements (case ). The following

#!/bin/bash#author:haiy#email:haiyangfu512@gmail.com# Fri Apr 25 13:04:48 CST 2014 # GNU licence. # monitor and keep the program runningDEBUG = falsefunction restart_program () {# send the command to be executed to screen if [$ #-lt 3]; then echo $ #

LeetCode_ZigZag Conversion, leetcode_zigzagI. QuestionsZigZag Conversion Total Accepted:31399Total Submissions:140315My Submissions The string"PAYPALISHIRING"Is written in a zigzag pattern on a given number of rows like this: (you may want to

Compared with Java Virtual Machine? Directly run Python code without the need for the operating system Josh Triplett started his speech on PyCon 2015 with a "Smile": porting Python to free him from operating the system: he and his Intel colleagues

[LeetCode-interview algorithm classic-Java implementation] [006-ZigZag Conversion (Z-type Conversion)], leetcode -- java [006-ZigZag Conversion (Z-type Conversion )][LeetCode-interview algorithm classic-Java implementation] [directory indexes for

Linux wildcard, wildcard Linux wildcard % c is different from * c %. C is the GUNmake syntax layer, indicating all files ending with ". c"*. C is the syntax layer of linux shell, such as rm-f *. o.The meaning is basically the same, that is,

Does the C standard guarantee buffers are not touched past their null terminator ?, Buffersterminator Question: In the varous cases that a buffer is provided to the standard library's functions string functions, is it guaranteed that the buffer will

Java cup occupies high analysis scripts and javacup occupies scripts[Was @ dmgr ita-scripts] $ vi java_analys.shPID = $1; ps-mp $ PID-o THREAD, tid, time | awk-F "" '{print $2 "" $8}' | grep-v CPU | grep-v "-" | sort-nr | head-1 | awk -F "" '{print $

Leetcode | ZigZag Conversion Problem: The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A H NA P L S I I GY I RAnd

  Content Description: This article uses examples to explain how to use Java's features to quickly write secure and reliable NT services, how to implement Java multithreading, and how to use sockets to implement network services.I. Introduction to

Test_smtp.php Require ("smtp. php "); $ Smtp = new smtp_class; $ Smtp-> host_name = "mail.xiaocui.com ";$ Smtp-> localhost = "localhost ";$ From = "webmaster@xiaocui.com ";$ To = "root@xiaocui.com ";If ($ smtp-> SendMessage ($ From,Array ($),Array (

I have been learning Shell recently. I used to think that Shell syntax is very difficult and hard to learn. Now I have some gains. In fact, Shell scripts are a collection of linux commands. You can understand what the commands in each step of the

When deploying a task, one of the necessary processes is to send some files, such as the installation package, to a large number of servers. Although yuge's script is available, it is a python script written through the ssh and scp functions

Copy codeThe Code is as follows :#! /Bin/bash # Telno is used to query the number list file # Sendsms. log is the text message sending result File #1 indicates that the message is successfully sent. Query_sms () { > Submit_telno >

Tools or commands used to manage users:UseraddNote: Add a user;AdduserNote: Add a user;PasswdNote: set a password for the user;UsermodNote: To modify user commands, you can use usermod to modify the logon name and user's home directory;PwconvNote:

Directly run Python code without the need for the operating system Josh Triplett started his speech on PyCon 2015 with a "Smile": porting Python to free him from operating the system: he and his Intel colleagues asked the interpreter to run on the

Leetcode Note: ZigZag Conversion I. Description The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H NA P L S I I GY

Linux/Unix shell scripts clear archive log files for DEV and UAT environments, sometimes the database needs to be in archive mode, but it does not need to be backed up. Therefore, the constant increase in archive archiving logs results in a large

CentOS permission system recovery/restoration Sometimes the chmod-R is 777/, and the system is paralyzed ~ What should we do ?? Let's take a look. First, you must prepare the same system as the faulty machine. For example, you can install a

Today, I talked to my friend about how to create an automatic installation CD for CentOS. I just sent out my previous test process. Hope to help you. I sent my work record when I did it. Because I used it at work, I added some required software