python
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JavaScript filtering multi tier data structurelet promotGroups = [ { "promotionId":"1111111111", "promotionName"...2 answers -
Can aggregate operation, cache results, or recursive data processing like Scala map be carried out in Python dictionary parsing ?Test data: [[' a ',' Test 1 '], ['a ','test 1'], ['a &...2 answers -
`What's the difference between Rb and R for opening a file?Use the open function to open a file with parameters Rb and R: Excuse me next: use RB to o...4 answers -
Python cannot add list elements using the append functionThe global variables X, y are defined. I hope I can use multiple processes to quickly add ...1 answers -
Why is starting Gunn's log typed in errorlogProblem description I started the simplest Django and published it with gunicorn, but all ...1 answers -
How to introduce folium and JSON into DjangoTo use Folium tool in Python for drawing, you need to use the following packages import Fo...1 answers -
Use panda to synthesize the daily K-line of stock / futures into weekly K-line. If Friday meets a national holiday and becomes a non trading day, how to display the date correctly?Problem Description: There are multiple daily K-line data of a stock in the format of data...3 answers -
Selenium iedriver starts multiple IE browsers. Is there any way to keep their cookies from sharingEach instance of chromedriver is an independent cookie, but can ie implement this? Or is t...0 answers -
How does regex match the following description tags?In the use of the website, we encountered a description tag such as < meta name = "...1 answers -
Nltk download in Python does not pop up GUI interface but restartsWith the nltk installed by anaconda, the problem described in the title appears in MacOS. ...0 answers -
How does dataframe group by dictionary or join tableProblem Description: How can dataframe implement groupby grouping by using dictionary or j...0 answers -
How does beautiful soup parse H1 text with special format?Problem description There is an HTML containing this fragment: < H1 > spider man: He...1 answers -
When compiling markdown with Python, the HTML content will increase repeatedlyThe code is as follows md.py ： def main(argv): md_name = argv[0] with open(md_name, mode=&...1 answers -
How to use the request instance of node module for many timesNow there is a list of videos that need to be downloaded. Every time a video is downloaded...0 answers -
How can go or Python get the call records of a phone number? Can you do it?How can go or Python get the call records of a phone number? Can you do it? Such as the ti...3 answers