Recent questions tagged Python

0 votes

232 views

1 answer

python - Add all elements of an iterable to list

Is there a more concise way of doing the following? t = (1,2,3) t2 = (4,5) l.addAll(t) l.addAll(t2) ... stuff): for x in t: stuff.append(x) See Question&Answers more detail:os...

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

0 votes

140 views

1 answer

python - for or while loop to do something n times

In Python you have two fine ways to repeat some action more than once. One of them is while loop and the ... you think, which way is better? See Question&Answers more detail:os...

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

0 votes

204 views

1 answer

python - Get a random sample with replacement

I have this list: colors = ["R", "G", "B", "Y"] and I want to get 4 random letters from it ... of 4 colors, with repeating letters possible? See Question&Answers more detail:os...

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

0 votes

451 views

1 answer

python - Sum of all counts in a collections.Counter

What is the best way of establishing the sum of all counts in a collections.Counter object? I've tried: sum( ... this gives 21 instead of 9? See Question&Answers more detail:os...

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

0 votes

298 views

1 answer

python - Is there a quiet version of subprocess.call?

Is there a variant of subprocess.call that can run the command without printing to standard out, or a way to ... it's standard out messages? See Question&Answers more detail:os...

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

0 votes

113 views

1 answer

python - Why is it possible to replace sometimes set() with {}?

In PyCharm, when I write: return set([(sy + ady, sx + adx)]) it says "Function call can be replaced ... this, why is this more effective? See Question&Answers more detail:os...

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

0 votes

151 views

1 answer

python - SQL query output to .csv

I am running SQL query from python API and want to collect data in Structured(column-wise data under their header). ... is that I am missing? See Question&Answers more detail:os...

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

0 votes

182 views

1 answer

python - How to use multiprocessing to loop through a big list of URL?

Problem: Check a listing of over 1000 urls and get the url return code (status_code). The script I have ... = p.map(checkurlconnection, urls) See Question&Answers more detail:os...

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

0 votes

161 views

1 answer

python - How to return list of booleans to see if elements of one list in another list

I have two lists: A = [1,2,3,4,5,6,7,8] B = [2,3,4] and want to get a boolean list of length( ... In R, the counterpart would be which(A %in% b) See Question&Answers more detail:os...

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

0 votes

202 views

1 answer

python - MonthLocator in Matplotlib

I have plot like this: And I want to change the ticks for 12 positions indicating the respective months in this ... error in this code. Thanks See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

python - Discord.py how to invoke another command inside another one?

I want my bot to play a specific song when typing +playtest using already defined function (+play) but i got an error ... = Bot() bot.run('sd') See Question&Answers more detail:os...

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

0 votes

131 views

1 answer

python - How do I call a method from another method?

I am coding a program in python. I introduce an entire number and the program gives back to me the decomposition ... are from the same class? See Question&Answers more detail:os...

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

0 votes

286 views

1 answer

python - Get data from every cell from a QTableView

I need the values from a QtableView, but I do not know how to do that without a signal emitted from the ... any signal from the table itself? See Question&Answers more detail:os...

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

0 votes

225 views

1 answer

python - Does [:] slice only make shallow copy of a list?

I have experienced peculiar bugs from this [:] copy. The docs say [:] makes only a shallow copy but ... .shuffle(a) b changes correspondingly. See Question&Answers more detail:os...

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

0 votes

423 views

1 answer

python - saved_model from AutoML Vision Edge not loading properly

I've been using AutoML Vision Edge for some image classification tasks with great results when exporting the ... would be greatly appreciated! See Question&Answers more detail:os...

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

0 votes

191 views

1 answer

python - gcc-4.2 error when using pip in virtualenv on OSX 10.7

I am trying to install psycopg2 in virtualenv enviroment and am having a heck of a time. I think I may ... information would you need to know? See Question&Answers more detail:os...

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

0 votes

305 views

1 answer

python - Opening an EXE of my Pygame program gives me import errors

I made an MP3 player with pygame code: from Tkinter import * import pygame import glob import tkFont songs=[] ... winreg', 'pygame.sdlmain_osx'] See Question&Answers more detail:os...

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

0 votes

134 views

1 answer

python - Are these models equivalent?

Main question: I define the same model in two different ways. Why do I get different results? They seem to be the ... 5.4108 - val_loss: 9.2497 See Question&Answers more detail:os...

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

0 votes

203 views

1 answer

python - Keyboard event not sent to window with pywin32

I've wrote A code that gets the HWND from any program I want. So thats how I got the hwnd if your asking. The ... work either. I'm on python 2.7 See Question&Answers more detail:os...

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

0 votes

127 views

1 answer

python - WSGI file streaming with a generator

I have the following code: def application(env, start_response): path = process(env) fh = open(path,'r') start_response ... .3 with uWSGI 1.2.4) See Question&Answers more detail:os...

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

0 votes

147 views

1 answer

python - How to install setuptools?

I'm trying to install setuptools. When I run "sh setuptools-0.6c9-py2.4.egg" I get the following message: ... , pleas, help me with that? See Question&Answers more detail:os...

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

0 votes

319 views

1 answer

python - Circular Hough Transform misses circles

I've read a lot about the Circular Hough transform on Stack Overflow, but I seem to be missing something. I ... input image: My output image: See Question&Answers more detail:os...

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

0 votes

259 views

1 answer

python - What is the simplest way to create a shaped window in wxPython?

I'd like to create a simple shaped window in wxPython. More or less I want to do the wx equivalent to ... round the corners on the window. See Question&Answers more detail:os...

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

0 votes

404 views

1 answer

python - Animate drawing networkx edges

I have a networkx spring layout that represents a network topology Key nodes are color as red and the other are blue ... .05) plt.axis('off') See Question&Answers more detail:os...

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

0 votes

285 views

1 answer

python - PySerial App runs in shell, by not py script

I have a very simple python script that uses pySerial to send data over the serial port to my Arduino. When I ... to be fixing it. Any ideas? See Question&Answers more detail:os...

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

0 votes

353 views

1 answer

python - Reading a binary file into a struct

I have a binary file with a known format/structure. How do I read all the binary data in to an array of ... dat1.append(dat2) data.append(dat1) See Question&Answers more detail:os...

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

0 votes

340 views

1 answer

python - Django custom order_by

I've got a model eg. Car with a foreign key eg. Owner, which may or may not be blank. The Car has ... of the car. Is this possible? See Question&Answers more detail:os...

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

0 votes

326 views

1 answer

python - How can I obtain the same 'special' solutions to underdetermined linear systems that Matlab's `A b` (mldivide) operator returns using numpy/scipy?

I found a link where it is shown with an example that the Matlab mldivide operator () gives 'special' ... A.shape ValueError: expected vector See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags