Recent questions tagged Python

0 votes

156 views

1 answer

python - Find the root of a cubic function

Here is the thing. I am trying to use fsolve function in Python to find the root of a cubic function. This ... because of my code is wrong? See Question&Answers more detail:os...

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

0 votes

280 views

1 answer

python - Numpy casting float32 to float64

I want to perform some standard operations on numpy float32 arrays in python 3, however I'm seeing some ... float32 without explicit casting? See Question&Answers more detail:os...

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

0 votes

103 views

1 answer

python - selenium two xpath tests in one

I try to combine check for two scenarios: If startupcheck fails we get a try again button: el = WebDriverWait ... first or statement is checked. See Question&Answers more detail:os...

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

0 votes

162 views

1 answer

python - How to implement zooming image better?

I have the following code: from PyQt5.QtWidgets import QWidget, QHBoxLayout, QVBoxLayout, QPushButton, QGroupBox, QLabel from ... . Are they OK? See Question&Answers more detail:os...

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

0 votes

238 views

1 answer

python - add two lists then sort = None(?)

Second list squared each item on list, xs. Running the code below, python gives me 'None' xs = [12, 10, 32 ... pythonic way to do this? Thanks! See Question&Answers more detail:os...

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

0 votes

489 views

1 answer

python - Need to Install PyOpenGL (Windows)

I am trying to install PyOpenGL using pip on Windows 10. I have tried to install it using pip install PyOpenGL ... know what the problem is? See Question&Answers more detail:os...

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

0 votes

133 views

1 answer

python - Regexp to check if an IP is valid

I'm wondering if it's possible to compare values in regexps with the regexp system in Python. Matching the pattern ... where I'm a bit stumped. See Question&Answers more detail:os...

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

0 votes

356 views

1 answer

python - Matplotlib margins

Look at the chart below. In this chart, I want to draw to circle with the centre coordinates at (45, 0). But, ... shape[0]), values) plt.show() See Question&Answers more detail:os...

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

0 votes

126 views

1 answer

python - Contour shows dots rather than a curve when retrieving it from the list, but shows the curve otherwise

I'm finding the contour of a thresholded image and drawing it like so: self.disc_contour = cv2.findContours(self. ... What could be the reason? See Question&Answers more detail:os...

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

0 votes

407 views

1 answer

python - How to set alpha transparency property using pygame.draw.line?

I am trying to set transparency of a drawn line using pygame.draw.line(tela, (255, 255, 255), self.a, ... have to have a complex answer? See Question&Answers more detail:os...

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

0 votes

419 views

1 answer

python - How to update a graph created by matplotlib in tkinter

I have an app created by using tkinter. There is just a window in which I'm typing X and Y. Having these x ... but I see old graph in tkinter. See Question&Answers more detail:os...

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

0 votes

635 views

1 answer

python - Scipy Optimization Not Running when I try to set constraints using a for loop

I was trying to minimize the objective function while using a for loop to set the constraints such that x1 = ... : 0 solution success: True See Question&Answers more detail:os...

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

0 votes

364 views

1 answer

python - Plot multiple histograms as a grid

I am trying to plot multiple histograms on the same window using a list of tuples. I have managed to get it to ... . Thank you for your time :) See Question&Answers more detail:os...

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

0 votes

137 views

1 answer

python - Recursion function not working properly

I'm having quite a hard time figuring out what's going wrong here: class iterate(): def __init__(self): self ... sure. Thanks for any help. See Question&Answers more detail:os...

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

0 votes

113 views

1 answer

python - Shapes of numpy arrays

Been working with numpy for a while now. Just when I think I have arrays figured out, though, it throws ... Earth are the two shapes different? See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

python 3.x - Keras, binary segmentation, add weight to loss function

I'm solving a binary segmentation problem with Keras (w. tf backend). How can I add more weight to the center of ... Keras 2.1.3, tensorflow 1.4 See Question&Answers more detail:os...

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

0 votes

575 views

1 answer

python - How do I change the volume of the sound or music in PyGame?

How to change volume in PyGame like changing the volume by going to the settings. I made the UI elements, ... can understand me. Please help See Question&Answers more detail:os...

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

0 votes

254 views

1 answer

python - Why does "multiprocessing.Pool" run endlessly on Windows?

I have defined the function get_content to crawl data from https://www.investopedia.com/. I tried get_content(' ... perfectly fine in Colab: See Question&Answers more detail:os...

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

0 votes

216 views

1 answer

python 2.7 - Show an image with omxiv direct from memory on RPI

I want to create an image in PILLOW and show it on the screen on the Raspberry Pi with for example omxiv direct ... tell me how to do this? See Question&Answers more detail:os...

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

0 votes

370 views

1 answer

python - Selenium Webdriver can't access a website (The requested URL was rejected)

I did several hours of research and asked a bunch of people on fiverr who all couldn't solve a a specific ... a lot! Stay healthy everyone. See Question&Answers more detail:os...

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

0 votes

188 views

1 answer

python - FuncAnimation doesn't show outside of function

I gave an answer on this thread, talking about fading point on matplotlib. And I got curious about ... not on Position 2. See Question&Answers more detail:os...

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

0 votes

370 views

1 answer

python - Set the width and height of a pygame surface

I am creating my own GUI library with pygame. I have a UIComponent class that creates the UI elements. The UI ... ): self.rect.height = 25 See Question&Answers more detail:os...

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

0 votes

108 views

1 answer

python - How to disconnect Gmail API Service Instance?

In my Python3 program that uses the Gmail API, I want to re-instantiate the Gmail "service" instance every ... CALLS AS USUAL TO GMAIL SERVICE See Question&Answers more detail:os...

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

0 votes

257 views

1 answer

python - How to write a csv file in binary mode?

Does python's csv writer not support binary mode anymore? I haven't had to write in 'b' mode until now and ... I would very much appreciate it. See Question&Answers more detail:os...

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

0 votes

219 views

1 answer

python - PyQt5 retrieve form values using runJavaScript

I have a form.html file and i run it using PyQt5 QWebEngineView. I want to retrieve form values after the Submit ... /form> </body> </html> See Question&Answers more detail:os...

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

0 votes

103 views

1 answer

python - How to recreate pyramid triangle?

I have to write a recursive function asterisk_triangle which takes an integer and then returns an asterisk triangle consisting ... 22 print i ^ See Question&Answers more detail:os...

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

0 votes

257 views

1 answer

python - Pocketsphinx decoder initialization returns -1

I use the raspberry pi with pocketsphinx python and I found an example here. From that script I use the same ... know what the problem is? See Question&Answers more detail:os...

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

0 votes

417 views

1 answer

python - Render anti-aliased text on transparent surface in pygame

I'm making a function that takes a string a breaks it up into lines and returns a surface with each line ... .get_height() + 5 return result See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags