Recent questions tagged Python

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python - How to delegate listening to entering states of a `transitions` state machine?

I am trying to use the transitions library. This question follows this one, quite loosely. I would like to ... or similar using the library? 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 - Displaying totals above stacked bars in barchart: matplotlib.pyplot

I am just starting out with matplotlib.pyplot and am a little stuck. Using the example in the matpltlib. ... would be much appreciated! 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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python - Plotting a solid cylinder centered on a plane in Matplotlib

I fit a plane to a bunch of points in 3d and initially gave it an arbitrary size using np.meshgrid, but now ... .set_zlabel('Z') 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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python - Convert str to numpy.ndarray

I'm creating a system to share video with opencv but I've got a problem. I've a server and a client ... convert again frame in a numpy.ndarray. 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 - python3 TypeError: 'function' object is not iterable

What change is required in the source code? def Update(): print(' ') print("Update") cmd = os.system(' ... : 'function' object is not iterable 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 - Base64 string to image in tkinter

I have a image i'm using in my GUI and i dont want it as an external resource when i compile ... fereastra_principala,image=image) poza.pack() 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 - nltk: How to lemmatize taking surrounding words into context?

The following code prints out leaf: from nltk.stem.wordnet import WordNetLemmatizer lem = WordNetLemmatizer() print( ... context into account? 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 does bs4 return tags and then an empty list to this find_all() method?

Looking at US Census QFD I'm trying to grab the race % by county. The loop I'm building is outside the scope ... doesn't seem too vague...) 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 store pcolormesh plot as a numpy array - while preserving data shape?

I seem to have some problems storing a plot created using matplotlib.pcolormesh(). As far i know is pcolormesh ... possible to do it in. 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 - Tensorflow - ImportError: Could not find 'msvcp140.dll'

I am just a beginner to a tensorflow and trying to install TensorFlow with CPU support only. Initially, I ... problem. 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 - Pandas: No tables found matching pattern '.+'

while using pandas to read an html file's data....Here is my code: import pandas as pd import geopandas ... tables found matching pattern '.+' See Question&Answers more detail:os...

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

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505 views

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python - Fix unquoted keys in JSON-like file so that it uses correct JSON syntax

I have a very large JSON-like file, but it is not using proper JSON syntax: the object keys are not quoted. I'd like to ... : [] }, "e": "f" } 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 - all permutations of string without using itertools

All possible strings of any length that can be formed from a given string Input: abc Output: a b c abc ab ac ... perm = perm + nList return perm See Question&Answers more detail:os...

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

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405 views

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python - Problems With ANN BackProp/Gradient Checking.

Just wrote up my first Neural Network Class in python. Everything as far as I can tell should work, but there is ... same/Cost is going down)? See Question&Answers more detail:os...

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

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616 views

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python - storing data into redis through cron job

I want to store data into redis from pandas through a cron job every 15 minute and below is my code:- I am ... . Can someone help me out 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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749 views

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python - 'list' object has no attribute 'timeout'

I am trying to download Pdfs using urllib.request.urlopen from a page but it returns an error: 'list' object ... print ("Done Writing 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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474 views

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python - Loading a pyqt application multiple times cause segmentation fault

I have a file, Foo.py which holds the code below. When I run the file from command line using, python Foo. ... __name__ in ['__main__']: main() See Question&Answers more detail:os...

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

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452 views

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python - How to sort a list of lists based on length of inner list?

I want to sort a list of lists based on the length of the second item in the sublists, like this: Input: ... in the lists. 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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497 views

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python - pandas find strings in common among Series and return keywords

I would like to improve this previous question about searching strings in pandas Series based on a Series of ... advance for your support. 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 - looking if String contain a sub-string in differents Dataframes

I have 2 dataframes: df_1, column id contain only characters and numbers ==> normalized, and id_no_normalized Example ... resolve 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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571 views

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python - Scrapy import module items error

My project structure: kmss/ ├── kmss │ ├── __init__.py │ ├── items.py │ ├── pipelines.py │ ├── settings.py ... prompt, the error did not happen. See Question&Answers more detail:os...

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

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922 views

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python - How does pyplot.contourf choose colors from a colormap?

I have been playing with the from_levels_and_colors function, so that I can have an extended colorbar on a pcolormesh ... them so they match? 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 - Failed to create shader cache entry- error while locating an element by its Css selector

I am writing a simple script in Python using Selenium to detect an element by its Css selector. I am accessing ... ))) finally: driver.quit() See Question&Answers more detail:os...

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

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924 views

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python - ImageGrab.grab(bbox) and Image.getpixel() Used together

While using the grab function from PIL.ImageGrab, there's a parameter called bbox, which specifies the bounding box ... am I doing wrong 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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383 views

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python - How to print X items in a list per line

Given a list of strings I want to be able to print 4 items of that list per line with one space between them until the ... to be: 1 2 3 4 5 6 See Question&Answers more detail:os...

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

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466 views

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python - Path error in PySide2 application after packaging with PyInstaller

I'm trying to package a PySide2 test application with the following structure: . ├── main.py ├── main.spec ... variable in wizard.py ? See Question&Answers more detail:os...

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

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571 views

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python - How to render Mandelbrot Set faster?

I'm currently drawing the Mandelbrot set pixel by pixel with PhotoImage and tkinter. I'm using basically the ... DIAMETER / WIDTH mainloop() 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 - Implementation of homography in Tensorflow

I am trying to implement a network in TensorFlow that learns to predict homography (Wiki). My network will ... ().minimize(self.loss) See Question&Answers more detail:os...

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

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