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1 OverviewIn order to share resources, ftp servers need to be built. This paper will automatically install the ftp server through scripts and configure it. At the same time, it will create the ftp login account and create two folders as public folders to provide common access paths for all users.2 Conceptual Interpretation and Notices2.1 chroot ...

Summary of knowledge points: C++ I/O: Definition in iostream header file istream // Universal Input Stream and other Input Stream Base Classes. ostream // Universal Output Stream and other stream-based classes. iostream//Universal I/O Stream and other I/O Stream Base Classes. Definition in fstream header ...

Common Linux Commands (V) Today, we continue to summarize the find command of linux. The find command is often used with the other two commands exec and xargs, so let's see how they actually use it today. 1 exec command - The exec parameter is followed by the command command, with';'as the end sign, and before';', add''. Considering the differ ...

#!/bin/bash echo -e "\\033[1;34m start make sd \\033[0m" #Getting sd card information sd_main=`ls -l /dev/disk/by-id/ | grep usb- | awk -F '/' 'NR==1{print $3}'` sd_1=`ls -l /dev/disk/by-id/ | grep usb- | awk -F '/' 'NR==2{print $3}'` sd_2=`ls -l /dev/disk/by-id/ | grep usb- | awk -F '/' 'NR==3{print $3}'` if [ -d "/de ...

JavaScript Learning Record day7-Higher Order Functions @ (Learning) [javascript] JavaScript Learning Record day7-Higher Order Functions What is a higher order function? map reduce filter Sorting algorithm 1. What is a higher-order function? Higher-order function in English is called Higher-order function. So what is a higher order ...

<?php $i = 0; do { echo $i; } while ($i > 0); ?> for (expression 1; expression 2; expression 3){ Code snippets to execute } <?php for ($i = 1; $i <= 10; $i++) { if($i == 4){ break; } echo 'After breaking up'.$i.'Years, I forgot all about you<br />'; } ?> <?php for($i=0; ...

Introduction to JSON What is json? JSON (JavaScipt Object Notation,JS Object Markup) is a lightweight data interaction format. It is based on a subset of ECMAScript (js specification specified by w3c), and uses a text format completely independent of programming language to store and represent data. The concise and clear hier ...

1. Write a program to generate 10240 random integers between [0,512], and count the number of occurrences of each element. 2. Write programs that require users to input a list and two integers as subscripts. The program can use slices to obtain and output a sublist of elements between two subscripts in the list. For example, when the user inpu ...

In the previous blog, we simply sorted out the process of JAVA creating server and client connecting server. Today, we continue to learn to realize the communication between client and server. Since the basic concepts have been clarified in the previous blog post, we will not repeat them here. (For those who are not clear, read ...

I. Concept and Origin LVM: Logical Volume Manager Ordinary disk partition management can not change its size after logical partition is well divided. When a logical partition can not store a file, the file can not be stored across multiple partitions because of the limitation of the upper file system, so it can not be placed on multiple disks ...