5 questions
What is POSIX?UNIX has spread and a lot of derivatives have emerged, but it's becoming less cohesive, so it's stipulated to maintain compatibility.There is an explanation like this.What was the situat...
After processing the contents of stdout and stderr of the child process with python's subprocess.Popen, I would like to output them to the parent's stdout and stderr in real time and in order, respect...
For example, suppose you created a pseudo cp in a shell script in the following format:#!/bin/shcontent=$(cat$1)printf'%s\n'$content>$2In most cases, the difference between the contents of the file...
I wanted to know how far the posix shell alone can calculate, and I wanted to know how bit calculations can be realized.(In particular, I was trying to implement sha256/md5) I would like to achieve a ...
#include <iostream>#include <time.h>using namespace std;int main(){ timespec time1, time2; int temp; clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1); It's like a party clock_gettime(CL...
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