Recent questions tagged PYTHON

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python - How to make sure that both x and y axes of plot are of equal sizes?

I want to make x and y axes be of equal lengths (i.e the plot minus the legend should be square ). I wish ... getting : plot How can I do 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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344 views

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python - plot candlestick and 5-days average line on a same qtchart but give two x axis plot

I want to plot candlestick and 5-days average line on the same qchart, it should show one x axis, but gives two ... to remove of the two x axis? See Question&Answers more detail:os...

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

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2.2k views

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python - How to send file to fastapi endpoint using postman

I faced the difficulty of testing api using postman. Through swagger file upload functionality works correctly, I get ... got the same result See Question&Answers more detail:os...

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

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292 views

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python - Errors when I try to migrate in Django2

I have a problem (at least I think). I am new in all this, so I apologize If I ask something stupid. I ... to google it, but I got nothing. See Question&Answers more detail:os...

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

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294 views

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python - Pandas DataFrame: use column value to slice string in another column

I have a pandas DataFrame as follow: col1 col2 col3 0 1 3 ABCDEFG 1 1 5 HIJKLMNO 2 1 2 PQRSTUV I want ... the DataFrame. What am I doing wrong? See Question&Answers more detail:os...

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

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226 views

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python - How to use opencv in Python3 to read file from file buffer

I am trying to use this library. In particular these 3 lines: image_stream = io.BytesIO(image_bytes) frame = cv2. ... . what can be fixed here. See Question&Answers more detail:os...

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

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862 views

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python - Discord.py Check if Channel is a DM

I am creating a command that i only want to be executable through a DM with the bot. The current ... .ChannelType.private & discord.DMChannel See Question&Answers more detail:os...

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

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265 views

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python - YouTube Data API to crawl all comments and replies

I have been desperately seeking a solution to crawl all comments and corresponding replies for my research. Am having ... into the data frame? See Question&Answers more detail:os...

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

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578 views

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python - pyside connection Error "RuntimeError: Failed to connect signal clicked()"

from PySide.QtCore import * from PySide.QtGui import * import sys import stackwid class Dialog(QDialog,stackwid. ... connect signal clicked() See Question&Answers more detail:os...

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

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470 views

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python - How to loop over the axes in a subplot

I have a loop that generates 15 images. I created a subplot(5,3): fig, axes = plt.subplots(5,3) ... to create another loop inside the actual? See Question&Answers more detail:os...

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

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205 views

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python - Replacing values in a pandas dataframe based on multiple conditions

I have a fairly simple question based on this sample code: x1 = 10*np.random.randn(10,3) df1 = ... values according to different conditions. 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

1 answer

python - How to get .avi files length

I am trying to loop over a directory of sub folders where every folder contains one .avi file that i want to ... get('duration')) print ' ' See Question&Answers more detail:os...

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

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370 views

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python - One QAction checkable at time in QMenu

I am trying to make my choices from QMenu to be checkable in a way that only one might be selected at ... (paymentType) Any suggestions? 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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443 views

1 answer

python - PyQt5 button to run function and update LCD

I am getting started with creating GUI's in PyQt5 with Python 3. At the click of the button I want to ... the output from function "randomint"? See Question&Answers more detail:os...

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

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605 views

1 answer

python - matplotlib.finance.candlestick_ohlc plot intraday 1min bar data with time breaks and proper xticklabels at every hour

The problem is: I want to plot the intraday 1 minute OHLC bars of one stock. The daily trading hour is ... ticker.MaxNLocator(8)) Please 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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466 views

1 answer

python - Message: Error: Polling for changes failed: NetworkError when attempting to fetch resource while downloading file through Selenium and FirefoxProfile

I am trying to download file from a url using selenium and Firefox on python3 but that give me an error in the ... Do you guys have any idea ? See Question&Answers more detail:os...

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

0 votes

156 views

1 answer

python - How can I include custom modules in a Django app

I'm really new to Python and Django. I created a class in Python that I would like to use in a Django ... in my django app? Thank you! See Question&Answers more detail:os...

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

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377 views

1 answer

python - How can I decorate all functions imported from a file?

I have created many functions that are divided into different files, now I would like to apply the same decorator ... me with this issue? 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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548 views

1 answer

python - Bokeh hover tooltip not displaying all data - Ipython notebook

I am experimenting with Bokeh and mixing pieces of code. I created the graph below from a Pandas DataFrame, ... have the latest version running. See Question&Answers more detail:os...

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

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248 views

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python - How to open a file and find the longest length of a line and then print it out

Here's is what I have done so far but the length function isn't working. import string def main(): ... line print ,maxlinetext infile.close() See Question&Answers more detail:os...

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

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240 views

1 answer

python - Numpy binary matrix - get rows and columns of True elements

I have a binary numpy 2D array, say, import numpy as np arr = np.array([ # Col 0 Col 1 Col 2 [False ... Is there a faster or more intuitive way? See Question&Answers more detail:os...

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

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366 views

1 answer

python - Plotting Pandas DataFrame from pivot

I am trying to plot a line graph comparing the Murder Rates of particular States through the years 1960-1962 using ... I get my desired graph? See Question&Answers more detail:os...

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

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336 views

1 answer

python - Wide to long data transform in pandas

I have a dataset in the following format: county area pop_2006 pop_2007 pop_2008 01001 275 1037 1052 1102 01003 394 ... please be gentle...). See Question&Answers more detail:os...

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

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238 views

1 answer

python - Write fast pandas dataframe to postgres

I wonder of the fastest way to write data from pandas DataFrame to table in postges DB. 1) I've tried ... second approach that I've tried? See Question&Answers more detail:os...

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

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309 views

1 answer

python - How to Beautiful Soup (bs4) match just one, and only one, css class

I am using following code to match all div that have CSS class "ad_item". soup.find_all('div',class_="ad_item") ... only CSS class "ad_item" ? See Question&Answers more detail:os...

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

0 votes

474 views

1 answer

python - Activate virtualenv via os.system()

I'm writing a Python-based shell script to boilerplate a Django app with virtualenv, pip, and fabric. ... deeper with virtualenv? Thanks! See Question&Answers more detail:os...

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

0 votes

337 views

1 answer

python - Unable to make my script stop when some urls are scraped

I'v created a script in scrapy to parse the titles of different sites listed in start_urls. The script is ... the listed urls are scraped? See Question&Answers more detail:os...

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

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900 views

1 answer

python - Manipulate existing excel table using openpyxl

I'm currently honing my python/excel skills, and have run into an issue with openpyxl. I am trying to open a ... cell wb.save('output.xlsx') See Question&Answers more detail:os...

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

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