Recent questions tagged Python

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python - Find all duplicate rows in a pandas dataframe

I would like to be able to get the indices of all the instances of a duplicated row in a dataset without knowing the name ... df[col == x...]. See Question&Answers more detail:os...

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

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480 views

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python - How can i force SHIFT+ENTER to run selection and execute it immediately running ipython in vscode?

I have added the setting below in vscode to launch ipython when i used shift+enter to run selection. "python.terminal. ... ("Hello World") ...: See Question&Answers more detail:os...

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

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588 views

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python - applying function to dataframe; timestamp.dt

Ultimately I want to calculate the number of days to the last day of the month from every date in df['start ... [ns] count float64 dtype: object See Question&Answers more detail:os...

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

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426 views

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python - Combine multiple pandas DataFrames into a multi-index DataFrame

I have three dataframes with equivalent indices, index names and column names: DF1: value index 0 a0 1 a1 2 a2 ... easiest way to go about 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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462 views

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python - Local access to Amazon S3 Bucket from EC2 instance

I have an EC2 instance and an S3 bucket in the same region. The bucket contains reasonably large (5-20mb) ... would be appreciated, 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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725 views

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python - Differentiate between countries and cities in spacy NER

I'm trying to extract countries from organisation addresses using spacy NER, however, it labels countries and cities ... Tempe AZ United States 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 - TypeError: __init__() missing 1 required positional argument: 'units'

I am working in python and tensor flow but I miss 'units' argument and I do not know how to solve it, It looks ... (prog='dot', format='svg')) See Question&Answers more detail:os...

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

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440 views

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python - Downloadable docx file in Django

My django web app makes and save docx and I need to make it downloadable. I use simple render_to_response as ... Really appreciate for any 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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447 views

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python - rename multiple columns of pandas dataframe based on condition

I have a df in which I need to rename 40 column names to empty string. this can be achieved by using ... the long dictionary of 40 elements See Question&Answers more detail:os...

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

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779 views

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python - PyQt QFileDialog - Multiple Directory Selection

I am trying to create a QFileDialog that allows the user to select multiple directories. Following the discussion here ... work. Any idea 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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497 views

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python - Add density curve on the histogram

I am able to make histogram in python but I am unable to add density curve , I see many code which are using ... ', width=width) plt.show() 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 regex to detect a word exists

I want to detect whether a word is in a sentence using python regex. Also, want to be able to negate it. import ... )', 'bar red foo 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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504 views

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python - Matplotlib scatter plot - Remove white padding

I'm working with matplotlib to plot a variable in latitude longitude coordinates. The problem is that this image cannot ... 0) fig.canvas.draw() See Question&Answers more detail:os...

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

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509 views

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python - "unresolved external symbol"-error when linking a Cython extension against a C library on Windows

I am learning Cython and tried to run a simple example found here: making C library callable. I used VS 2019 ... hello function in the summary. See Question&Answers more detail:os...

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

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612 views

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python - Snakemake: How to save and access sample details in config.yml file?

Can anybody help me understand if it is possible to access sample details from a config.yml file when the sample names ... " sample4: tag: "S4" See Question&Answers more detail:os...

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

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821 views

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python - SQLAlchemy ORM with dynamic table schema

I am trying to task SQLAlchemy ORM to create class Field that describes all fields in my database: from ... control over object instantiation? See Question&Answers more detail:os...

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

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868 views

1 answer

python - Openpyxl : need the max number of rows in a column that has data in Excel

I need the last row in a particular column that contains data in Excel. In openpyxl sheet.max_row or max_column gets ... a more concise one !! See Question&Answers more detail:os...

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

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483 views

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python - How to import a gzip file larger than RAM limit into a Pandas DataFrame? "Kill 9" Use HDF5?

I have a gzip which is approximately 90 GB. This is well within disk space, but far larger than RAM. How ... pandas.read_table() to 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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352 views

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python - Getting unique combinations from a non-unique list of items, FASTER?

First off, I am able to do it but I am not happy with the speed. My question is, Is there a better, faster way ... (data[i]/tries), "seconds.") See Question&Answers more detail:os...

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

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481 views

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python - How to remember last geometry of PyQt application?

I am using PyQt5 5.5.1 (64-bit) with Python 3.4.0 (64-bit) on Windows 8.1 64-bit. I am having ... (): How to save to current working directory See Question&Answers more detail:os...

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

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815 views

1 answer

python - changing order of items in tkinter listbox

Is there an easier way to change the order of items in a tkinter listbox than deleting the values ... .fileListSorted.insert(value2,nameAbove) See Question&Answers more detail:os...

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

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599 views

1 answer

python - How to write 1 byte to a binary file?

I've tried everything to write just one byte to a file in python. i = 10 fh.write( six.int2byte(i) ) will ... with the value 10 to the file. See Question&Answers more detail:os...

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

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493 views

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python - Copy installed packages using pip to another environment

I downloaded some packages in my environment using pip command. And I want to have a copy of them to ... in my first environment? 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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715 views

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python - Tweepy SSLError regarding ssl certificate

I am running a REST API (Search API) with Tweepy in Python. I worked the program at home and it's totally ... other ways in tweepy? 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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403 views

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python - Dealing with non-uniform JSON columns in spark dataframe

I would like to know what is the best practice for reading a newline delimited JSON file into a dataframe. ... a JSON string? Thank you See Question&Answers more detail:os...

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

0 votes

680 views

1 answer

python - Matplotlib Contourf Plots Unwanted Outlines when Alpha < 1

I am using matplotlib in Python 2.7 to plot a filled contour plot. I want to overlay this over an ... insight into this problem is appreciated. See Question&Answers more detail:os...

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

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793 views

1 answer

python - SQLAlchemy/WTForms: set default selected value for QuerySelectField

This [example][1] to set up a form with WTForms and SQLAlchemy in Flask and add a QuerySelectField to ... something obvious? Can someone 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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488 views

1 answer

python - RaggedTensor request to TensorFlow serving fails

I've created a TensorFlow model that uses RaggedTensors. Model works fine and when calling model.predict and I get the ... I'm still not 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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