Recent questions tagged Python

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python - pandas dataframe reshaping/stacking of multiple value variables into seperate columns

Hi I'm trying to reshape a data frame in a certain way. this is the data frame I have, des1 des2 des3 ... help. feel free to post references. 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 - Comparing two columns of a csv and outputting string similarity ratio in another csv

I am very new to python programming. I am trying to take a csv file that has two columns of string ... it against the sequencematcher function. See Question&Answers more detail:os...

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

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387 views

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python - Representing 4D data in mplot 3D using colormaps

Is there a way to change the value that the colormap is tied to in an mplot3d surface plot? As an ... hoping for a solution within matplotlib. 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 - Complex Beautiful Soup query

Here is a snippet of an HTML file I'm exploring with Beautiful Soup. <td width="50%"> <strong ... multiple conditions using Beautiful Soup ? See Question&Answers more detail:os...

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

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256 views

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python - Binary classification in TensorFlow, unexpected large values for loss and accuracy

I am trying to use a deep neural network architecture to classify against a binary label value - -1 and +1 ... accuracy part of my code correct? See Question&Answers more detail:os...

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

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362 views

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python - Add/fill pandas column based on range in rows from another dataframe

Working with pandas, I have df1 indexed by time samples: data = ''' time flags input 8228835.0 53153.0 32768.0 ... 0. 12424.0. 32768.0. 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 - Django translations of third party apps

I'm trying to translate a Django third-party app (django-recurrence) within my Django 1.7 project. Despite all the ... . What am I missing 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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436 views

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python - Evaluating Polynomial coefficients

I'm trying to write a function that takes as input a list of coefficients (a0, a1, a2, a3.....a n) of a ... for n>4, can't see why 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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362 views

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python - NLTK panlex_lite giving me error

I'm trying to use NLTK for my NLP learning in Python. Certain package called "panlex_lite" keeps giving me ... still gives me error. 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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258 views

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python - The same method for class and instance

I have class Books and method select in it. Also there is an instance of that class called book. I want ... first argument to a static 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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382 views

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python - Concatenate distinct columns in two dataframes using pandas (and append similar columns)

My question is closely related to Pandas Merge - How to avoid duplicating columns but not identical. I want ... dataframe (when using concat). See Question&Answers more detail:os...

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

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646 views

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python - Retrieve USB information using pyudev with device name

I retrieve the first device information from the block subsystem. For example that a USB stick was assigned to ... from the block subsystem? See Question&Answers more detail:os...

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

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399 views

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python - Chrome devmode suddenly turning on in selenium

I am using a script daily. It's a headless chrome that just checks a site every 5 minutes and suddenly devmode ... connects to a new site. :c See Question&Answers more detail:os...

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

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291 views

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python - Drop columns if rows contain a specific value in Pandas

I am starting to learn Pandas. I have seen a lot of questions here in SO where people ask how to delete a row ... in ALL columns in a for loop. See Question&Answers more detail:os...

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

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448 views

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python - InvalidArgumentError (see above for traceback): indices[1] = 10 is not in [0, 10)

I am using tensorflow 1.0 CPU on ubuntu and python 3.5. I adapted an example of tensorflow to work ... grayscale_to_rgb, ArgMax_4)]] 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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205 views

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python - Using variables inside json file

I need to define a variable once and use it throughout the json file. Here is my MWE: (adapted from here) { ... I achieve this goal in python? See Question&Answers more detail:os...

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

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371 views

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python - Class menu in Tkinter Gui

I'm working on a Gui and I'd like to know if it is possible to make the menu property of a window a ... self.menu = MenuBar(self) ? rgds, See Question&Answers more detail:os...

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

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216 views

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python - Dynamic FormWizard

I made a project that works like ifttt.com does. To do so I use FormWizard. Actually, that works fine with the ... notice : I use Django 1.4 See Question&Answers more detail:os...

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

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296 views

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python - Convert CSV column to list

Say I have a CSV file. It contains: a,b,c 1,2,3 4,5,6 7,8,9 How can I turn the column labeled 'a' ... 9 What's the best 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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466 views

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python - No module named ... in PyCharm (import error)

I am using PyCharm on MAC to import some packages by import pymongo import bson However the error is ... I fix this problem? See Question&Answers more detail:os...

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

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264 views

1 answer

python - How do I transfer data in .csv file into my sqlite database in django?

This is my models.py from django.db import models class School(models.Model): school = models.CharField( ... in the production 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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400 views

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python - set FLASK_DEBUG=1 not working on Powershell

I'm building a Flask application and my file "helloworld.py" is: from flask import Flask app = Flask(__name__) ... , can someone help me out? 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 - Matrix multiplication with iterator dependency - NumPy

Sometime back this question (now deleted but 10K+ rep users can still view it) was posted. It looked interesting to me ... b[n,k,j] return d See Question&Answers more detail:os...

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

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637 views

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python - Can you run Google Colab on your local computer?

My PC is rocking a 2080TI so I don't really need the GPU computation of Google Colab, but I do find it a ... let my local pc do the computation? See Question&Answers more detail:os...

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

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318 views

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python - How to distinguish filled circle/contour and unfilled circle/contour in OpenCV?

I am unable to differentiate the below two contours. cv2.contourArea is giving the same value for both. Is ... to distinguish them in Python? See Question&Answers more detail:os...

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

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252 views

1 answer

python - Save & Retrieve Numpy Array From String

I would like to convert a multi-dimensional Numpy array into a string and, later, convert that string back ... interface). Is this possible? See Question&Answers more detail:os...

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

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270 views

1 answer

python how to write list of lists to file

I am trying to write a list of lists of strings to a file. My big list is of the forme: 1.0 '0:25.0' ... . I have no idea why this is happening. See Question&Answers more detail:os...

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

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667 views

1 answer

python - How to lemmatize a list of sentences

How can I lemmatize a list of sentences in Python? from nltk.stem.wordnet import WordNetLemmatizer a = ['i ... words before to work properly? See Question&Answers more detail:os...

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

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