for example, how to view the source code of python built-in functions give an example: -sharp xrang for i in xrange(10): print i -sharp -sharp pass class xrange(object): """ xrange(stop) -> xrange object xrange(star...

this big list data adds 100w pieces of data, take 1000 pieces of data from this big list at a time, and delete it from the list at present, my solution is: a = range(1000000) b=[] for i in range(1000): b.append(a.pop()) feels that this method is ...

my development environment is the vagrant virtual machine under linux. I configured the environment using flask+gunicorn+supervisor+nginx and successfully output hello world , below is my directory where microblog is my project name, and app is ...

The code iterates one line at a time, expecting the tell method to return the position of the current pointer. But what is actually returned is the last location of the entire document; Please help me to see what the problem is? My Daily.txt Good mo...

the error message for running after installing pyv8 is as follows: AttributeError: module PyV8 has no attribute JSContext ...

like PHP can do this: a = var class test: var = value T = test() t ??? a : value ...

< H2 > purpose < H2 > can dynamically call different py files, pass in parameters and get return parameters. Here is the imaginary implementation. a.py: path_file = b.py -sharp py para_in = 123 para_out = xxx(path_file,para_in) -sharp pat...

-sharpcoding=utf-8 from flask import Flask, request, jsonify, Blueprint import json import result.data as resultData from MysqlHelper import MysqlHelper import pymysql -sharp pymysql -sharp db = pymysql.connect(host="127.0.0.1", user=&quo...

my log configuration is as follows: the log is automatically output to the console at runtime and suspended with nohup, and the corresponding output will also output nohup.out while my.log will also have the correct log output the log output format of...

Please give us some advice. The submit information of Douban is shown in the figure . The code is as follows: click, ENTER, RETURN, SPACE are all useless from selenium import webdriver -sharp selenium from selenium.webdriver.common.keys import Ke...

tgcode ="dafafadfaf" result = "window.config = %s ;" % (tgcode) print(result) f.write(result, ) python window.config = dafafadfaf ; window.config = dafafadfaf ; " , def modify_text_folder(tgcode): CONFI...

data are as follows { "message":"abc","result":{ "paramtypeitems":[ {"name":"","paramitems":[ {"id":567,"name"...

there are too few documents on the Internet, so let s ask the first question, Websocket Client of Python, how to subscribe to a specified channel? I can t find it all over Google. I see a lot of articles are written: ws.send (json.dumps ({ "event ...