Recent questions tagged Python

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python - Changing the class type of a class after inserted data

I want to create a class in python, which should work like this: Data assigned, maybe bound to a variable (eg ... . Is this possible to do? 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 - Scrapy Splash Screenshots?

I'm trying to scrape a site whilst taking a screenshot of every page. So far, I have managed to piece ... way to implement this. 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 - When asyncio task gets stored after creation, exceptions from task get muted

I was using asyncio for a project, and encountered this strange behavior. import asyncio def schedule_something(): ... in my current project. 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 repeat() function when building data in Keras?

I am training a binary classifier on a dataset of cats and dogs: Total Dataset: 10000 images Training Dataset: ... keras using Tensorflow 2.0? 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 - Regular Expression for whole numbers and integers?

I am trying to detect all integers and whole numbers (among a lot of other things) from a string. Here are the ... to store '10' as '+10' See Question&Answers more detail:os...

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

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317 views

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python - Keras breaks Anaconda Prompt

I am switching from tensorflow to keras on my Anaconda distribution and am having some problems with the latter. ... will be much 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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python - cx-freeze doesn't find all dependencies

I have a python script (2.7) with some "interesting" imports at the top. I initially wanted to use ... looking there for socketpool? 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 matplotlib filled boxplots

Does anyone know if we can plot filled boxplots in python matplotlib? I've checked http://matplotlib.org/ ... useful information about that. 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 get if checkbox is checked on flask

I'm using Bootstrap with Flask Python. request.form.get("name") #name is the name of the form element(checkbox) ... Is there any way or methods? 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 - Networkx Multigraph from_pandas_dataframe

Update: The question, as written, is relevant to Networkx version < 2.0. The from_pandas_dataframe method has been ... from a pandas dataframe? See Question&Answers more detail:os...

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

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745 views

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python - Get coordinates from the contour in matplotlib?

Background From the documentation example here, one can easily produce the following contour plot with the code ... for visualization" then. See Question&Answers more detail:os...

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

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304 views

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python - Giving access to shared memory after child processes have already started

How do I give child processes access to data in shared memory if the data is only available after the child ... for details and an example. See Question&Answers more detail:os...

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

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187 views

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python - Why doesn't the save button work on a matplotlib plot?

I have matplotlib 1.0.0 installed in a Python 2.7 virtualenv on Mac OS X 10.6. I can create plots fine ... same name but with the png extension. See Question&Answers more detail:os...

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

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547 views

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python - Scatterplot with point colors representing a continuous variable in seaborn FacetGrid

I am trying to generate multi-panel figure using seaborn in python and I want the color of the points in my ... to help in this case though. See Question&Answers more detail:os...

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

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259 views

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python - Efficient and precise calculation of the euclidean distance

Following some online research (1, 2, numpy, scipy, scikit, math), I have found several ways for calculating the Euclidean ... 33, 153, 75, 10). See Question&Answers more detail:os...

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

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232 views

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python - Selecting only numeric/string columns names from a Spark DF in pyspark

I have a SparkDataFrame in pyspark (2.1.0) and I am looking to get the names of numeric columns only or string ... can I make it? 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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409 views

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python - Comparing two lists and only printing the differences? (XORing two lists)

I'm trying to create a function that takes in 2 lists and returns the list that only has the differences ... or anything, just loops basically. See Question&Answers more detail:os...

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

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218 views

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python - urllib2 not retrieving entire HTTP response

I'm perplexed as to why I'm not able to download the entire contents of some JSON responses from FriendFeed ... the full response with urllib2? See Question&Answers more detail:os...

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

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408 views

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python - Hierarchic pie/donut chart from Pandas DataFrame using bokeh or matplotlib

I have the following pandas DataFrame ("A" is the last column's header; the rest of columns are a combined ... for more than 2 levels. See Question&Answers more detail:os...

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

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335 views

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python - Animating 3d scatterplot in matplotlib

I'm trying to get a 3d animation of a scatterplot in matplotlib, based off the 2d scatterplot animation posted ... = AnimatedScatter() a.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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896 views

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python - ValueError: non-broadcastable output operand with shape (3,1) doesn't match the broadcast shape (3,4)

I recently started to follow along with Siraj Raval's Deep Learning tutorials on YouTube, but I an error came up ... how to fix it? 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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542 views

1 answer

python - Combining cv2.imshow() with matplotlib plt.show() in real time

I'm trying to combine a feed from webcam using openCV, and then updating a graph using matplotlib. For getting ... on how to resolve? Cheers See Question&Answers more detail:os...

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

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263 views

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python - Is there an elegant way to cycle through a list N times via iteration (like itertools.cycle but limit the cycles)?

I'd like to cycle through a list repeatedly (N times) via an iterator, so as not to actually store N copies of ... cycles... alas, no such luck. See Question&Answers more detail:os...

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

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300 views

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python - Plotting a smooth curve in matplotlib graphs

I am reading a netcdf file using python and need to plot a graphs using matplotlib library in python. The netcdf file ... =16,color='b') 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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509 views

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python 2.7 - Horizontal scrolling won't activate for ttk Treeview widget

I'm using the ttk Treeview widget to implement a folder/path selection dialog. It's all working as ... winDirSel.columnconfigure(0,weight=1) See Question&Answers more detail:os...

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

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340 views

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python - pylab 3d scatter plots with 2d projections of plotted data

I am trying to create a simple 3D scatter plot but I want to also show a 2D projection of this data on the same ... '3d') ax.scatter(x,y,z) See Question&Answers more detail:os...

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

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317 views

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python - What is the use of returning self in the __iter__ method?

def __iter__(self): return self Just wanted to know what does the above code do in general, why is it ... a brief explanation would be great. See Question&Answers more detail:os...

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

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609 views

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python - Remove noisy lines from an image

I have images that are noised with some random lines like the following one: I want to apply on them some ... 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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