Recent questions tagged Python

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python - AttributeError: module 'networkx' has no attribute 'Graph'

I installed networkx by downloading the distribution file and running: python setup.py install It appears to ... ', 'write_yaml'] 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 do two algorithms for finding primes differ in speed so much even though they seem to do the same number of iterations?

I have two algorithms of finding primes, in Python. The inner loop of each one seems to be executed the same ... of '_lsprof.Profiler' objects} 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 - Can I control the formatting of multiline strings?

The following code: from ruamel.yaml import YAML import sys, textwrap yaml = YAML() yaml.default_flow_style = False yaml. ... .yaml.clib==0.1.0 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 - Significant figures in the decimal module

So I've decided to try to solve my physics homework by writing some python scripts to solve problems for me ... decimal module out of curiosity. 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 - Jupyter Notebook: Import .ipynb file and access it's method in other .ipynb file giving error

I am fairly new to Jupyter Notebook. I have played around with it for a while. But this was my first time ... Any sort of help is welcome! 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 - SyntaxError when trying to use backslash for Windows file path

I tried to confirm if a file exists using the following line of code: os.path.isfile() But I noticed if back ... as :"It is a convention." 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 - Removing space around wedge polar plots in Matplotlib

I am starting to play around with creating polar plots in Matplotlib that do NOT encompass an entire ... in ImportanteOfBeingErnest's answer. 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 - Determining if string is palindrome

I wrote two simple functions to determine if a string is a palindrome. I thought they were equivalent, but 2 ... return True else: return False 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 reshape text data to be suitable for LSTM model in keras

Update1: The code Im referring is exactly the code in the book which you can find it here. The only thing is ... explain. Thanks 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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python - Celery scheduled list returns None

I'm fairly new to Celery and I've been attempting setup a simple script to schedule and unschedule tasks. ... 'm missing something basic 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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python - Intermittent "OSError: [Errno 7] Argument list too long" with short command (~125 chars)

This code running under apache2+mod_wsgi on Linux sometimes produces the following output. notes.py cmd_list = ... pure-python werkzeug server. 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 keep first two duplicates in a pandas dataframe?

I have a question in regards to finding duplicates in a dataframe, and removing duplicates in a dataframe using a ... based on column 'Date' 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 3.4 - How do I change the overall theme of a tkinter application?

I want to change the theme of my tkinter application to clam. What is the code and where do I put it? I have ... ttk.Style() s.theme_use('clam') 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 - Animation based on only updating colours in a plot

I have a plot which consists of great number of lines. At each step the colours of lines should get updated in ... defined it, it doesn't work. 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 - Can os.environ['PYTHONHASHSEED'] be set dynamically from within an application?

Can it be changed for the current process by simply setting it to a new value like this? os.environ['PYTHONHASHSEED'] = 'random' 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 - Converting a Pandas Dataframe column into one hot labels

I have a pandas dataframe similar to this: Col1 ABC 0 XYZ A 1 XYZ B 2 XYZ C By using the pandas ... mechanism to combine columns into a list? 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 - Soundcloud API is returning 403 on some tracks

Soundclouds API is returning 403 on some tracks for me. I have tried playing with the raw http endpoints and ... run into this issue before? 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 QApplication() and QWidget() objects are connected in PySide/PyQt?

How QApplication() and QWidget() are connected? This is an example code that I copied, it creates QApplication ... s the magic behind 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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python - How can I combine range() functions

For some code I'm writing, I need to iterate from 1-30 skipping 6. What I tried naively is a = range(1,6 ... a way to do it more efficiently? 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 - Trouble in parsing date using dateutil

I am using python-dateutil for parsing a date from a string: import dateutil.parser print dateutil.parser.parse( ... string? 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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python - Getting "cx_Oracle.DatabaseError: DPI-1050: Oracle Client library must be at version 11.2 or higher" error

I am trying to use pycharm(3.3) to access my Oracle SQL(11.2.0) using the below codes but getting error with ... be at version 11.2 or higher 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 - Text alignment issue in Listbox

I'm trying to make a little GUI script using tk. After computation on the basis of user input, I generate ... .insert(END, string) print string 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 - Using the Firestore REST API to Update a Document Field

I've been searching for a pretty long time but I can't figure out how to update a field in a document ... Bearer " + authorizationToken}).json() 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 do I use Tensorflow tf.nn.conv2 to make a convolutional layer?

With tf.nn.conv2d, you can perform a convolutional operation on a tensor. E.g. import tensorflow as tf x ... layer with weights that learn? 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 - Keras: Classification report accuracy is different between model.predict accuracy for multiclass

Colab link is here: The data is imported the following was train_ds = tf.keras.preprocessing.image_dataset_from_directory( ... to this issue. 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 process VLC UDP stream over OpenCV

I was able to receive/view UDP h264 packets through VLC command line (i.e. VLC --network-caching 0 --demux ... decoding MB 8 9, bytestream 7381 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 break work in a for loop?

I am new in Python and I got confused about the way that "break" works in a for loop. There is an example ... after I outdent "break"? 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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python - Interpreting AUC, accuracy and f1-score on the unbalanced dataset

I am trying to understand how AUC is a better metric than classification accuracy in the case when the ... interpret these values? 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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