whether the data transmitted by socket needs to be encrypted ...
in my collection, has related different documents, and only one field is different between them, assuming field . how to merge different related documents into one document and turn this field into an array of fields [], is it done through aggregat...
Why do I always get paths like "workspace " + "filename " when I use os.path.abspath () to get the absolute path to a file? import os dir = "E: Videos" for f in os.listdir(dir): print(os.path.abspath(f)) output is: Python 3.5.2 (v3....
do Chinese entity recognition. from http: nlp.stanford.edu softw., download Stanford CoreNLP 3.9.1 package, there is no classifierschinese.misc.distsim.crf.ser.gz under the classifiers folder. where should I get it? who has resources to share? Thank...
1. Flask-login is used for user login in flask, but how to make flask-login support support for both token and Authorization header login? the official document says that it supports token and Authorization header, but it is not very clear how to use i...
this is my code I don t know how to open file or it may not be generated at all busy busy from selenium import webdriver import unittest, time import HTMLTestRunner class MyTest(unittest.TestCase): def setUp(self): self.driver = webdriver.Chro...
Hello, folks, ask if there is a tool that can monitor the status of crawler processes, such as running, stopping, number of processes, data quality, log collection, etc. preferably in the web interface. my crawlers are written by requests+ multi-proces...
html html : The hyperlinks have become http: undefined? read the online changes are not successful. I don t know what s going on? ...
use python to read the excel table and find out whether each sentence is marked with . (Chinese full stop) end. But it seems that because of the coding problem, pycharm recognized ? A question mark, an unrecognizable meaning. How to solve this codin...
I have a txt file encoded in unicode, : 1.with open( STK_MKT_ValuationMetrics.txt , rb ) as f:: utf-8 codec can t decode byte 0xff in position 0: invalid start byte2.with open( STK_MKT_ValuationMetrics.txt , rb ,encoding= utf-8 ) as ...
[[1jue 2] , [3jue 4] , [5jue 6] ] how to quickly merge into one list [1, 2, 3, 4, 5, 6] ...
1. At present, I have made a web version of the command execution using falsk-socketio, but it is found that it cannot be line-by-line . def shell(cmd, kwargs): print( >>>>>>>>> :%s % cmd) program_name = kwargs.get(...
purpose: I want to invoke the shell script in python. The shell script has operations to receive input, and I want to enter these commands in python. description: here is the execution of a .sh shell script, the main function is to have the releva...
I want to make a book classification there are two categories: (id(), name) (id(), fist_type(), name) there is also a book information table () when you want to add book information in the xadmin background, select the first category first, and th...
according to the code of Dog Book, the program push to heroku master, was successfully run as a result of heroku run python flasky.py deploy failure error report is as follows: File " app .heroku python lib python3.6 site-packages alembic script bas...
recently, I was learning the flask framework. When I came into contact with the concept of "separation of front and rear ends ", I was very curious. I checked on the Internet and said that the front and rear ends exchange data through JSON. My personal ...
Here is a function that takes a sorted linked list of integers and mutates it so that all duplicates are removed. And this is the answer: def remove_duplicates(lnk): """ >>> lnk = Link(1, Link(1, Link(1, Link(1, Link(5...
for example, there is data ( Alex ,13), ( Bob ,12), which is the element of name and age, respectively it is hoped that such a data can be stuffed into the set as an element, so that data such as ( Alex ,13) can be automatically deduplicated n...
I usually use int for storage. The unit of data storage is divided into points. For example, for goods worth one yuan, it is 100 in the database. I think it s simple and straightforward, and there s no need to think about compatibility or anything. ...
how does the QQ WeChat group @ all women, get all women s information ...
there is a problem with the longest common prefix on leetcode. I want to solve it in a different way, but what I typed is: fl fl flo Why does print have three results? class Solution: def inter_prefix(self,strs=list,minPrefix=str): if minPref...
modify the url that accesses the backend after the vue project is packaged one way on the Internet is to leave a configuration file in static when packing, but the configuration file can only modify the settings in axios, so there is no way to cross d...
A classic closure question for (var i = 1; i <= 5; iPP) { (function a(i) { setTimeout(function() { alert(i); }, 1000); })(i); } in theory, it should pop up 1, 2, 3, 4, 5, but the actual pop-up is out of order. The con...
as shown in figure ...
about Synchronize asynchronous, blocking and non-blocking understanding, read a lot of blogs do not know whether the following summary is correct, please take a look at it. Synchronize and asynchronism: mainly describes the dependency between tasks ...