Recent questions tagged Python

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python - Set Flask environment to development mode as default?

Every time I start up my flask app the environment variable is set to production. I want to have it set ... environment on a raspberry pi. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I do greater than/less than using MongoDB?

I'm using the pymongo driver. Can someone take a look at pymongo and tell me how to do greater than? I"m used to doing : for everything. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - from __future__ import annotations

Python doc __future__ In python doc about __future__ there is a table below where it shows that annotations " ... and "mandatory in" here See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - libpython2.7.so.1.0: cannot open shared object file: No such file or directory

I have trying to run python script from the terminal but getting the next error message : ImportError: libpython2. ... wrong ? using CentOS6. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Running Django tests in PyCharm

I am trying to run a simple Django test in PyCharm, but its failing with the following stack trace- /home/ ... tests? Any idea? Thanks, Ram See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to add a colorbar for a hist2d plot

Well, I know how to add a colour bar to a figure, when I have created the figure directly with ... object has no attribute 'autoscale_None' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - SystemExit: 2 error when calling parse_args() within ipython

I'm learning basics of Python and got already stuck at the beginning of argparse tutorial. I'm getting the ... could I fix this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Unable to parse TAB in JSON files

I am running into a parsing problem when loading JSON files that seem to have the TAB character in them. When I ... line 1 column 24 (char 23) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Add column of empty lists to DataFrame

Similar to this question How to add an empty column to a dataframe?, I am interested in knowing the best way ... a new column with empty lists? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Break on unhandled exception in pycharm

Does anyone know how to break on unhandled exceptions in pycharm? per this link it should be possible, although its ... How can this be fixed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

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python - Setting Background color to transparent in Plotly plots

My python code creates a plotly Bar plot but the background is white in color i want to change it into ... ) The graph looks like this See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

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python - How to overwrite array inside h5 file using h5py

I'm trying to overwrite a numpy array that's a small part of a pretty complicated h5 file. I'm extracting ... on how to do this successfully? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Swapping the dimensions of a numpy array

I would like to do the following: for i in dimension1: for j in dimension2: for k in dimension3: for l ... a numpy.reshape() seems difficult. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

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python - Python3: JSON POST Request WITHOUT requests library

I want to send JSON encoded data to a server using only native Python libraries. I love requests but I ... the requests library and Postman. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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python - json.dump throwing "TypeError: {...} is not JSON serializable" on seemingly valid object?

Background: I am writing a python program which should manage my music files. It crawls directories and puts ... completely different song... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Learning asyncio: "coroutine was never awaited" warning error

I am trying to learn to use asyncio in Python to optimize scripts. My example returns a ... ' was never awaited See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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868 views

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python - Use wildcard with os.path.isfile()

I'd like to check if there are any .rar files in a directory. It doesn't need to be recursive. Using wildcard ... t work. What can I do then? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to remove a package from Pypi

How do I remove a package from Pypi? I uploaded a package to Pypi several months ago. The package is now ... on how to remove my package. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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python 3.x - Tkinter: How to make a rounded corner text widget?

Question How to create a rounded corner text widget? I think I have an idea of creating a rounded canvas and ... , 10) root.mainloop() Output See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - UnicodeEncodeError: 'gbk' codec can't encode character: illegal multibyte sequence

I want to get html content from a url and parse the html content with regular expression. But the html content ... how to resolve this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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488 views

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python - PyQt: How to hide QMainWindow

Clicking Dialog_01's button hides its window and opens Dialog_02. Clicking Dialog_02's button should close its windows ... .exit(app.exec_()) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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570 views

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python - why is multiprocess Pool slower than a for loop?

from multiprocessing import Pool def op1(data): return [data[elem] + 1 for elem in range(len(data))] data ... to do the computation in parallel? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I access the overall test result of a pytest test run during runtime?

Dependent on the overall test result of a pytest test run I would like to execute conditional tear down. This means ... How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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764 views

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python - NLTK tree data structure, finding a node, it's parent or children

I am using nltk's Tree data structure to work with parsetree strings. from nltk.tree import Tree parsed = Tree( ... achievable via nltk's Tree? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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861 views

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python - Applying numpy.polyfit to xarray Dataset

Does Xarray support numpy computation functions such as polyfit? Or is there an efficient way to apply such functions ... way to approach this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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390 views

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python - Using pandas crosstab to create a bar plot

I am trying to create a stacked barplot in seaborn with my dataframe. I have first generated a crosstab table in ... ideas how i can do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

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python - Plotly: How to style a plotly figure so that it doesn't display gaps for missing dates?

I have a plotly graph of the EUR/JPY exchange rate across a few months in 15 minute time intervals, so as a ... you in advance for any help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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python - How to plot multiple horizontal bars in one chart with matplotlib

Can you help me figure out how to draw this kind of plot with matplotlib? I have a pandas data frame object ... ().tick_left() plt.show() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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