The string 123904560 is composed of five strings: 23239504 , 2314564 , 78349088 , 7649643 < five strings. For example, extract 0 appears three times in five strings. 9 appears four times in five strings. Is there a concise method for , o...
persons= [{ name : Jon , age : 32}, { name : Alan , age : 50}, { name : Bob , age :23}] sorted (persons, key = lambda x: (x [ name ],-x [ age ]) persons [{ age : 32, name : Jon }, { age : 50, name : ...
assume that all entity names are stored in the A.xlxs (to add, hundreds of entities, tens of thousands of sequences), and assume that one of the sequences reads: "there are bad spots on the screen visible on the scene, the sound of the handset is too ...
Hello, everyone! this may be a question about the difference between unittest.mock.patch () and unittest.mock.patch.object () . The following code works normally when using mock.patch.object () . I don t understand why an error ModuleNotFoundErr...
<html> <srcipt > 1 <srcipt > 2 .... < html> there must be no problem when loading. If I want to get a specified srcipt tag, I can get the element by getting the < script > array and then using the su...
how does 1.ECharts increase the chart according to the data? for example, if I have two pieces of data here, how can I add two gauges? 2. This is the code, you need to use c3text and c4text to set the scale of the dashboard: ] [1] 3. This is the cod...
can I get an image with the help of a chrome browser from which js request? this is a web page html after the browser opens, I can see on the console that a picture has been requested Request URL: https: img.codeshelper.com upload img 2021 03 03...
write a user registration with djang, passing four parameters in req.POST formdata form.is_valid()self.cleaned_dataenpassword,self.data Why the code is as follows: forms.py from django import forms class UserForm(forms.Form): email=forms.Em...
need to crawl the following website https: isisn.nsfc.gov.cn egr. for the purpose of search, but this page is dynamically loaded through ajax, and the content of cookies,post needs to contain CAPTCHA, which is updated every second. How to crawl such a...
jupyter notebook add directory, figure 1 is from the installation tutorial, after I install it, figure 2, who knows what the problem is. How do I build a directory after installing jupyter_contrib_nbextensions? ...
check to see that celery and airflow, do not support Windows in the actual experiment. is there another way to implement this? can only reinstall a linux. ...
if you use the CSS selector to grab it, for example: address: Lane 566 Zhongshan South Road, Lane 600 Zhongshan South Road Unit Price: about 138577 yuan square meter Code is "averageprice ": response.doc ( .pr > dd ). Text (), "address ": res...
there is a requirement in the project that a field extracted from the mongodb library at the level of tens of millions of records needs to be transferred to postgresql. because the mongodb is constantly updated, the data needs to be reversed at regular...
from nltk.tokenize.stanford_segmenter import StanfordSegmenter segmenter = StanfordSegmenter (path_to_jar= "E: anaconda StanfordNLTK stanford-segmenter.jar ", java_class="edu.stanford.nlp.ie.crf.CRFClassifier", ...
I recently made a known Flask project, but debugging is a headache. Every time I update the static files such as js scripts or css, and restart the Flask service, I refresh the page, but these files are not updated last time, and they need to be cleared ...
in daily development, we always encounter all kinds of anomalies. If there are anomalies, we need information to analyze and analyze, and the information usually comes from logs. In our company, some modules have a few G logs a day (too many). Some logs ...
questions are as follows: -sharp -*- coding:utf-8 -*- from urllib.request import urlopen import bs4 import webbrowser import requests html_list = [] -sharp html_list_txt = [] -sharp movie_list = [] -sharp movie_total = {} -sharp html = https: mo...
We know that the collections of the python built-in module has a lot of useful operations. for example: from collections import Counter -sharp -sharp top n user_counter = Counter("abbafafpskaag") print(user_counter.most_common(3)) -sharp[( ...
as shown in the figure, the variable name says I m wrong, but I don t know what s wrong? : ...
now there is a binary program shown in the following figure. Generally, I enter. itool daily25.cfg directly into the interface, and then choose the corresponding input according to my own needs. Now I want to call the script with python instead. The in...
recently I tried to use vue as a project and used vuex to manage status, but I found a problem: that is, the data in vuex is emptied after the page is refreshed, so basically all the data I store in vuex has to be saved in the browser once, so the quest...
help me to see what to do if you don t want so many zeros after the comma ...
if you annotate the this._getRecommend of created, you will not make a mistake. May I ask which problem it is? < script type= "text ecmascript-6 " > import {getRecommend} from api recommend import {ERR_OK} from api config export defaul...
problem description the h5 page of Wechat on ios sometimes appears return and forward function bar. This function bar occupies space and obscures the content of the page. How to handle it with compatibility? screenshot of the question the ret...
how to verify that it has been uploaded after clicking the submit button? ...