Recent questions tagged Python

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python - Dictionary sorting by key length

Anyone have any idea how to sort this dictionary by key length? { 'http://ccc.com/viewvc/' : [{'type': 'web- ... , } I'm using Python 2.6. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Tkinter - making a second canvas display the contents of another

I'm looking for a way to make one canvas display the contents of another WITHOUT duplicating the objects that ... might slow things down. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Using strptime to get UTC offset with separation between hours and minutes

I have a string like this 2018-04-03 02:59:59+00:00 and I need to use strptime to convert it to datetime. ... +HH:MM. How can I achieve that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Docker input file and save in output

I built a docker image that inputs a local file, does some stuff to it, and returns an output file saved locally ... unknown. How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - creating .exe file with cx_freeze for a tkinter interface

I have searched for this answer all around the place, but i can't find an answer. I have a python script ... alternative modules? Thanks!! :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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925 views

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python - How to create HTTP GET request Scapy?

I need to create HTTP GET request and save the data response. I tried to use this: syn = IP(dst=URL) / ... Line-based text data: text/html. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Tensorflow batch size in input placholder

I am new to Tensorflow and I can't get why the input placeholder is often dimensioned with the size of the ... the model input and train it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - PIL is showing all the previous frames in the gif

pillow version:5.4.1 The problem is I can see all the frames in the gif. Expectation: in the lifecycle of a ... .gif', images,duration=0.3) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Adaptive server connection failed (DB-Lib error message 20002, severity 9)

I'm sure this issue has been raised an uncountable number of times before but perhaps, someone could still ... ', database='mydatabase') See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Colorbar for matplotlib plot_surface using facecolors

I'm trying to plot in 3D colouring the surface with predefined colours using facecolors. The problem here is that ... (V) plt.colorbar(m) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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125 views

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python - Even numbers a list?

How do I create a list and only extract or search out the even numbers in that list? Create a function even_only ... the end, return your list. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Installing theano

I installed theano with Spyder 2.3.8 on Windows 7 64-bit by running "pip install theano". It worked well. ... 'profile') What does that mean? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Change the facecolor of boxplot in pandas

I need to change the colors of the boxplot drawn using pandas utility function. I can change most properties using ... df.plot.box(color=props) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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671 views

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python - Passing args in scipy optimize.minimize objective function ( getting error on number of arguments)

I'm trying to use scipy's optimizer.minimize function but I'm unable to figure out exact way to pass args ... someone help me figure this out. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Check if a digit is present in a list of numbers

How can I see if an index contains certain numbers? numbers = [2349523234, 12345123, 12346671, 13246457, 134123431] ... ) else: print("False") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

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python - PyTorch most efficient Jacobian/Hessian calculation

I am looking for the most efficient way to get the Jacobian of a function through Pytorch and have so far ... or more efficient in TensorFlow? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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124 views

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python - How to join list of strings?

This is probably seriously easy to solve for most of you but I cannot solve this simply putting str() around it can ... C'. Thanks in advance!! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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480 views

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python - Change bar color in a 3D bar plot in matplotlib based on value

I have a 3D bar plot in matplotlib which consists of a total 165 bars and at the moment it is quite chaotic. . ... ax.set_zlabel('Z') plt.show() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

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python - Set background colour for a custom QWidget

I am attempting to create a custom QWidget (from PyQt5) whose background colour can change. However, all the ... so would really appreciate help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

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python - Create a 2D array from another array and its indices with NumPy

Given an array: arr = np.array([[1, 3, 7], [4, 9, 8]]); arr array([[1, 3, 7], [ ... something shorter/more elegant to carry this operation out? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

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python - Celery Heartbeat Not Working

I have set heartbeat in Celery settings: BROKER_HEARTBEAT = 10 I have also set this configuration value in ... heartbeat for some reason. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

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python - Is there any way to make a soft reference or Pointer-like objects using Numpy arrays?

I was wondering whether there is a way to refer data from many different arrays to one array, but without copying ... a deepcopy of the data. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

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python - Change values in pandas dataframe according to value_counts()

I have following pandas dataframe : import pandas as pd from pandas import Series, DataFrame data = DataFrame({'Qu1': ... , 'other']}) Thanks ! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

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python - os.path.isfile() doesn't work. Why?

I'm trying to do this: import os [x for x in os.listdir('.') if os.path.isfile(x)] [x for x in os. ... .path.abspath(x))] just output [] Why? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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python - How to Catch Hover and Mouse Leave Signal In PyQt5

QPushButton has a signal which is named clicked(), and we can catch click events through it. Is there a method ... ) Note: I use python3. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

1 answer

python - How to pass JavaScript variable to function in Jinja tag

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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python - cx_Freeze ImportError: cannot import name

I'm trying create an executable for Windows for a GUI application in tkinter using the ttk module. I made an ... tk import tkinter.ttk as ttk See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

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python - Pandas convert datetime with a separate time zone column

I have a dataframe with a column for the time zone and a column for the datetime. I would like to convert these to ... of 3: 249 ms per loop** See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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