Recent questions tagged Python

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python - Flask-RESTful API: multiple and complex endpoints

In my Flask-RESTful API, imagine I have two objects, users and cities. It is a 1-to-many relationship. Now ... my API from basic to useful. 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 - Pandas Dataframe display on a webpage

I am using Flask but this probably applies to a lot of similar frameworks. I construct a pandas Dataframe, e.g ... way to display a 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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python - How to load a list of numpy arrays to pytorch dataset loader?

I have a huge list of numpy arrays, where each array represents an image and I want to load it using torch.utils.data. ... ] [172 172 178]] ..., 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 - XML parsing - ElementTree vs SAX and DOM

Python has several ways to parse XML... I understand the very basics of parsing with SAX. It functions as ... better than the previous parsers? 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 - Re-raise exception with a different type and message, preserving existing information

I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. ... the right way 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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python - How to calculate probability in a normal distribution given mean & standard deviation?

How to calculate probability in normal distribution given mean, std in Python? I can always explicitly code my own ... not exactly what I want. 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 - Add column in dataframe from list

I have a dataframe with some columns like this: A B C 0 4 5 6 7 7 6 5 The possible range of ... other data structure like dict 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 - Django Rest Framework partial update

I'm trying to implement partial_update with Django Rest Framework but I need some clarification because I'm ... **validated_data) return demo 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 avoid the "self.x = x; self.y = y; self.z = z" pattern in __init__?

I see patterns like def __init__(self, x, y, z): ... self.x = x self.y = y self.z = z ... ? Should the class inherit from namedtuple instead? 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 - Label axes on Seaborn Barplot

I'm trying to use my own labels for a Seaborn barplot with the following code: import pandas as pd ... attribute 'set_axis_labels' What gives? See Question&Answers more detail:os...

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

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289 views

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python - What are good practices for avoiding crashes / hangs in PyQt?

I love both python and Qt, but it's pretty obvious to me that Qt was not designed with python in ... specific workarounds and bugs to avoid. 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 - zeromq: how to prevent infinite wait?

I just got started with ZMQ. I am designing an app whose workflow is: one of many clients (who have random ... I am sharing it for posterity. 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 - Which parameters should be used for early stopping?

I'm training a neural network for my project using Keras. Keras has provided a function for early stopping. ... by using early stopping? 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 get a list of column names from a psycopg2 cursor?

I would like a general way to generate column labels directly from the selected column names, and recall ... module supports this feature. See Question&Answers more detail:os...

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

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382 views

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python - How to plot a wav file

I have just read a wav file with scipy and now I want to make the plot of the file using matplotlib, ... Martinez/Desktop/impulso.wav") print a See Question&Answers more detail:os...

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

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327 views

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python - High quality, simple random password generator

I'm interested in creating a very simple, high (cryptographic) quality random password generator. Is there a better way ... i in range(length)) See Question&Answers more detail:os...

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

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283 views

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python - How do I set the maximum line length in PyCharm?

I am using PyCharm on Windows and want to change the settings to limit the maximum line length to 79 ... characters per line in PyCharm? 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 - What are the differences between Conda and Anaconda?

Post-question update: See Introduction to Conda for more details. The problem: I first installed Anaconda on my ... my anaconda is installed? See Question&Answers more detail:os...

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

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177 views

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python - Is it ok having both Anacondas 2.7 and 3.5 installed in the same time?

I am using currently Anaconda with Python 2.7, but I will need to use Python 3.5. Is it ok to have them installed ... ? I am on a 64-bit Win8. 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 not saving: '_xsrf' argument missing from post

I've been running a script on jupyter notebooks for about 26 hour; I haven't really been using my computer ... suggested. Thanks 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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329 views

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python - collapse cell in jupyter notebook

I am using ipython Jupyter notebook. Let's say I defined a function that occupies a lot of space on my screen. ... notebook. 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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python - How to organize a relatively large Flask application?

I'm building my first Flask app and I can't figure out a good, clean Pythonic way of organizing my ... a good way to organize things? See Question&Answers more detail:os...

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

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345 views

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python - How to implement the --verbose or -v option into a script?

I know the --verbose or -v from several tools and I'd like to implement this into some of my own ... interested specially in the verbose option. See Question&Answers more detail:os...

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

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553 views

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python - How to use Flask-SQLAlchemy in a Celery task

I recently switch to Celery 3.0. Before that I was using Flask-Celery in order to integrate Celery with Flask. ... hints on how to achieve 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 - Variable Explorer in Jupyter Notebook

Is there a variable explorer in Jupyter (IPython) like in Spyder? It is very uncomfortable having to print the list ... so, how to enable 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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272 views

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python - Automatic creation date for Django model form objects?

What's the best way to set a creation date for an object automatically, and also a field that will record ... doing this? An __init__ method? See Question&Answers more detail:os...

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

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664 views

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python - How to print to console in pytest?

I'm trying to use TDD (test-driven development) with pytest. pytest will not print to the console when I ... the print statements get shown? See Question&Answers more detail:os...

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

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151 views

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python - Which key/value store is the most promising/stable?

I'm looking to start using a key/value store for some side projects (mostly as a learning experience), but ... analysis of several of them) See Question&Answers more detail:os...

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

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