Recent questions tagged PYTHON

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python - Inheritance threading.Thread class does not work

I'm new in multithreading, so the answer is probably very simple. I'm trying to make two instances of one ... . The problem is still there. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - SQLAlchemy Core select where condition contains boolean expression `is False`

How to use SQLAlchemy expression language to select columns with where condition to check boolean expression. example: select([ ... Core v.1.0.8 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Check string indentation?

I'm building an analyzer for a series of strings. I need to check how much each line is indented (either by tabs or ... , but I'm unsure of how. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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python - Matplotlib Candlestick (Intraday) Chart is One Big Blob

I am trying to plot a Candlestick chart using Matplotlib with data I am acquiring for a REST API call. However ... I can solve this? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to construct an np.array with fromiter

I'm trying to construct an np.array by sampling from a python generator, that yields one row of the array per ... my numpy just not quite right? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

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python - check if two words are related to each other

I have two lists: one, the interests of the user; and second, the keywords about a book. I want to ... this kind of matching in Python? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

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python - matplotlib geopandas plot chloropleth with set bins for colorscheme

How do I set a consistent colorscheme for three axes in the same figure? The following should be a wholly ... and apply it to another. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Send HID report with PyUSB

UPDATE I managed to send the data properly. For anyone who ran into the same problem, I used the following ... Process finished with exit code 0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - pandas groupby rolling mean/median with dropping missing values

How can get in pandas groupby rolling mean/median with dropping missing values? I.e. the output should drop missing ... Thank you for your help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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434 views

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python - How to allow resizing of QMessageBox in PyQt4

I'm using the nice feature in QMessageBox to optionally show detailed text to the user. However, the window after ... is this at all possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to fix "latin-1 codec can't encode characters in position" in requests

I am having trouble with encoding in python 3. When I was testing on my PC I get no errors: Python 3.7.3 ( ... going on. How do I fix it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

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python - pandas return columns in dataframe that are not in other dataframe

I have two dataframes that look like this: df_1 = pd.DataFrame({ 'A' : [1.0, 2.0, 3.0, 4.0], 'B' ... u'D'], dtype=string) Thank you in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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596 views

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python - Fill in missing hours in a pandas dataframe

I have a dataframe that contains hourly data: area date hour output H1 2018-07-01 07:00:00 150 H1 2018-07- ... any better way of doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

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python - pandas dataframe assign doesn't update the dataframe

I made a pandas dataframe of the Iris dataset and I want to put 4 extra column in it. The content of the ... setosa 8 Iris-setosa 9 Iris-setosa See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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python - How can I use the same dialog box in Tkinter to browse and select files and directories?

I am using Tkinter for building a GUI for a python script. I need a button which opens up a dialog box ... folder using a single dialog box? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

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python 3.x - Pandas: Calculate Median of Group over Columns

Given the following data frame: import pandas as pd df = pd.DataFrame({'COL1': ['A', 'A','A','A','B','B'], ... 3 5 B BB 2 2 3 Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

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python - How to generate a Blob signed url in Google Cloud Run?

Under Google Cloud Run, you can select which service account your container is running. Using the default compute ... the JSON private key. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

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python - Mixing implicit and explicit waits

The docs say: An implicit wait is to tell WebDriver to poll the DOM for a certain amount of time when trying to ... where I know I need it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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python - How to get the owner of the file in the windows 7?

I have a problem - in the window when the file is opened to show the name of the one who last modified ... I will cause this utility from python See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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593 views

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python - Bokeh server - How to manipulate a selection in a callback function

I am plotting several patches that are grouped by a category "group" in the data source. What would I like to ... .add_root(row(p, width=800)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

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python - How to make discord.py bot run forever if client.run() returns

Problem My discord.py bot's client.run() is returning unexpectedly every few days or so followed by ... .ClientSession object at 0x7fc999b59240> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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836 views

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python - ImageGrab.grab() method is too slow

So i need to get a bunch of screenshots every second, like 5. I am using it to program a bot for a game. ... is nice but I want to go faster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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302 views

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python - Read JSON file as Pyspark Dataframe using PySpark?

How can I read the following JSON structure to spark dataframe using PySpark? My JSON structure {"results":[{" ... as respective rows. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - "OSError: [Errno 22] Invalid argument" on Windows with print() and output piped

I've come across some (to me) weird behaviour when piping the output of a Python script into wc with invalid ... msysgit 2.5.1.windows.1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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494 views

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python - Labeling horizontal barplot with values in Seaborn

I have a horizontal barplot, for example, a simplified version of the example from the seaborn documentation ... plot works differently? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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439 views

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python - Praw "failed to parse CPython sys.version" when creating Reddit object

I'm getting this error when creating a reddit object. Here's the code: import praw, requests, ctypes r = praw. ... idea why I got this error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

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python - Google App Engine - permission denied for proxy/tunneling on development server

Disclaimer: this is not a duplicate! I'm using requests library, monkey patched under GAE standard environment ... s required tunneling thing). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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506 views

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python - Using BeautifulSoup to Search Through Yahoo Finance

I'm trying to pull information from the 'Key Statistics' page for a ticker in Yahoo (since this isn't ... my findAll to return 598.56B? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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