Recent questions tagged Python

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python - Finding the most frequent occurrences of pairs in a list of lists

I've a dataset that denotes the list of authors of many technical reports. Each report can be authored by one or ... How to do this 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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python - Pygame: how to write event-loop polymorphically

I'm some-what new to pygame, and while trying to get back into it, I found the advice "replace your conditionals ... ): pygame.quit() quit(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 - How to fill missing timestamps for Time column for a date in pandas

I have a time-series data as below: print(df) ric datel timel val 0 xyz 2017-01-01 09:00:00 2 ... combining date and column into datetime? 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 - Simple pygtk and threads example please

Can someone give me a simple example involving threads in this manner, please. Problem with my code is that when I ... ) Pretty please, help me. 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 read blob (pickle) files from GCS in a Google Cloud DataFlow job?

I try to run a DataFlow pipeline remotely which will use a pickle file. Locally, I can use the code below to invoke ... the right way to do 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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python - Struggling to install pygtk with pip

I am trying to install pygtk using pip on Windows. Initially i get an error saying "ERROR: Could not import ... anyone have any ideas? 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 - Why is list.remove only removing every second item?

In my Python 2.7.2 IDLE interpreter: >>> mylist = [1, 2, 3, 4, 5] >>> for item in mylist: mylist.remove(item) >>> mylist [2, 4] Why? 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 - Correct way of loss function

Hi I have been trying to implement a loss function in keras. But i was not able to figure a way to pass more ... has to be a vector or matrix? 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 - Texture arrays in OpenGL

I am working on a project and I need to use texture arrays to apply textures. I have asked many ... any other information if necessary. 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 use join with many conditions in pyspark?

I am able to use the dataframe join statement with single on condition ( in pyspark) But, if I try to add ... go wrong with the 2 statement? See Question&Answers more detail:os...

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

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469 views

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python - Recurrence with numpy

Is there any way to make recurrence without using for's in numpy? Using np.add with out keyword do the ... any other way to make recursion? 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 - Compare Dictionaries with unhashable or uncomparable values? (e.g. Lists or Dataframes)

TL;DR: How can you compare two python dictionaries if some of them have values which are unhashable/mutable ( ... added, removed, modified same 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 handles long ints differently on Windows and Unix

The current number of milliseconds since the epoch is 1395245378429; on unix (64 bit / Ubuntu / python 2.7) ... which requires an int argument) See Question&Answers more detail:os...

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

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365 views

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python - How to map a list of data to a list of functions?

I have the following Python code: data = ['1', '4.6', 'txt'] funcs = [int, float, str] How to ... Is there builtin function to do that simpler? 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 2.7 - Check that a file is certificate or a key

I have a problem, I am allowing the used to upload certificate and private key files. Now suppose I have a ... solution to this problem.. 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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442 views

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python - Replace a function pointer in a shared library with ctypes

I am trying to replace an existing function pointer in a shared library with a callback defined in Python, ... helper function (if 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 use namedtuples in multiple inheritance

Is it possible to create a class that inherits from multiple instances of namedtuple, or create something ... implemented that somewhere? 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 does one install pytorch 1.9 in an HPC that seems to refuse to cooperate?

I've been trying to install PyTorch 1.9 with Cuda (ideally 11) on my HPC but I cannot. The cluster says: Package ... parser -c conda-forge # due to compatibility with torch=1.7....

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

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356 views

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python - Why is function not working? Trying to replace words in string

I am trying to replace some key words in a string. Here is my function: def clean_code(input): input.replace ... cgi? +document.cookie </script> 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 - Read nose tests arguments in a file especially @attr

If I invoke a test script say nosetests -a tag1='one' is there a way to print the user input of tag1 in ... : #how to print the user input 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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562 views

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python - Dask rolling function by group syntax

I struggled for a while with the syntax to work for calculating a rolling function by group for a dask ... is there a recommended alternative? See Question&Answers more detail:os...

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

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513 views

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python - Delete a file from different owner with Google Drive API

I'm trying to do a small application that reads a shared folder with different users of my organization, get ... has some idea? 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 - openpyxl load_workbook() on a legit .xlsx file leads to a zipfile.BadZipFile error

What I was trying to do is appening dataframe data to an existing legit excel file. I used load_workbook() ... fix this, or any workaround? See Question&Answers more detail:os...

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

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415 views

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python - Centering matplotlib legend entries within incomplete/unfilled rows?

Say I'm making a plot with five items, and only have room to create a legend with 3 columns (more ... the entries within the unfilled row? 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 3.x - Dask apply with custom function

I am experimenting with Dask, but I encountered a problem while using apply after grouping. I have a Dask ... apply from operating as mean? See Question&Answers more detail:os...

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

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903 views

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python - multiprocessing pool not working in nested functions

Following code not executing as expected. import multiprocessing lock = multiprocessing.Lock() def dummy(): def ... What is going on. See Question&Answers more detail:os...

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

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375 views

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python - How to share a C-singleton between multiple C-extensions

I have a static library (or a bunch of c/cpp-files for that matter) which contains a singleton and is ... multiple (Cython)-C-extensions? See Question&Answers more detail:os...

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

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580 views

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python - matplotlib set xticks to column, labels to corresponding index

I am pretty new to matlpotlib and I find the tick locators and labels confusing, so please bear with me. ... labels correspond to their index? See Question&Answers more detail:os...

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

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