is currently working on a multi-computer manager. The web server made with flask performs tasks for administrative requests and returns the results to the front-end page (can wait). for ease of processing, web servers such as nginx are not used. for ...
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...
from multiprocessing import Process import os -sharp def run_proc(name): print("") if __name__== __main__ : print( Parent process %s. % os.getpid()) p = Process(target=run_proc, args=( test ,)) print( Child process wi...
The thread also does not have a separate address space, and the thread cannot cause the main process to crash through return because the thread is often a separate function? Is there any way for the thread to also recycle the stack of the main process an...
npm upgrade failed with the following error $ npm install -g npm npm ERR! path C: Program Files nodejs npm.cmd npm ERR! code EEXIST npm ERR! Refusing to delete C: Program Files nodejs npm.cmd: is outside C: Program Files nodejs node_modules n...
1: add prod mode to package.json and package it as a production environment, as follows "scripts": { "dev": "vue-cli-service serve", "build": "vue-cli-service build", "prod": &qu...
guys, let me ask you a question: Why does the following code output 1 , 4 , 3 , 2 , but not 1 , 4 , 2 , 3 ; When the js main thread executes from top to bottom, it will be inserted into the task queue when it encounters asynchronous code. Shou...
the error in executing the above code is as follows: "PreparedStatementCallback; SQL [UPDATE yposx_store_goods SET update_time=?, store_market_enable=?, goods_id=? WHERE shop_id= 5 AND goods_id= 139 Data truncation: Incorrect datetime value: ...
problem description the environmental background of the problems and what methods you have tried related codes Please paste the code text below (do not replace the code with pictures) what result do you expect? What is the error ...