python rookie, while watching the python subprocess tutorial of Liao Xuefeng, I encountered the following error report when executing nslookup command operating system: win10 python version: 3.7 import subprocess print( $ nslookup ) p = subproc...
problem description In multiprocessing, multiple processes are started to write multiple files, but after running, there is * .gz on the hard disk, but the content is empty. the environmental background of the problems and what methods you have trie...
Hello, everyone. Recently, we have been using multiprocessing to deal with problems. The approximate code is as follows: def work(i): -sharp print( child success ) pass def throw_error(e): raise e def main(): pool = m...
problem description is going to crawl the penalty information of several listed companies on the Shenzhen Stock Exchange website in a multi-process way at the same time, but the code is only executed on one of the listed company names, which is very c...
problem description I use the following code in multithreaded programming, which works fine when entering simple functions such as general print (), , but: raise ValueError ( "Pool not running ") ValueError: Pool not running appears when I run to cal...
I built a concurrent Async system using the Multi-processing module that comes with Python. There are only 2 tasks, one fast and one slow, concurrent execution, fast and slow. import sys, os, time, datetime from timeit import timeit import threading im...
the editor I use is VSC. there is no problem when I only npm run dev one project; when I run one project first, and then npm run dev another project, the second project page opened by the browser shows the image above pwa,: . solve ...
http: localhost:8888 thinkphp_5.0.20 public index.php 1. The above link can be accessed, but the following link cannot be accessed. The source code just downloaded http: localhost:8888 thinkphp_5.0.20 public index.php index Index index 2. How to...
in this scenario, I have a spring boot project A packed into a jar package, which is deployed in three servers of AMagneBPECRIND. Now I find that bug, exists in a class in Project A that the assumption is not to rerelease the code, but to use classload ...
Server bandwidth 1m I casually wrote a page test in which I put ten pictures each with a size of more than 100 kb. Every time I opened the page, the first few pictures were loaded at a normal speed, and three or four images could not be loaded for a lon...
the effect is shown in figure the code is as follows <el-form-item label=" "> <el-checkbox-group v-model="formData.date" size="mini" > <el-checkbox style="width:30px;" v-for...