Recent questions tagged Python

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python - TypeError: unsupported operand type(s) for +: 'float' and 'str'

Why is my code not working and what does this error mean? import random initial_val = str(10) attr_c1_stre = (" ... float' and 'str' Many 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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python - Django HttpResponse - response with file and content

Is there an easy way to do the following? after getting the request in the view, send back to the user a ... without, it's preferable) 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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635 views

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python - ImportError, using pytz in google app engine

I'm trying to use pytz in my web app to apply a timezone to a datetime object. First I tried ... somebody knows an alternative to pytz. See Question&Answers more detail:os...

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

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478 views

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python - How to loop over hundreds of images in Qulatrics - help needed to implement code

I would like to use Qualtrics to get ratings for over 700 images (i.e., participants will have to indicate how ... you very much for the 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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638 views

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python - Rearranging a 4d numpy array

I have a 4d numpy array which represents a dataset with 3d instances. Lets say that the shape of the array ... the trick. Thanx for replying! See Question&Answers more detail:os...

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

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772 views

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python - How to render/blit text in pygame for good performance

I am working on a small game (as a hobby) using Pygame. Before this I never worked on graphical interfaces ... rendering or blitting the text? See Question&Answers more detail:os...

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

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795 views

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python - installing glpk cvxopt with conda

I have set up an environment where all packages are managed by conda (even for gcc). What i want to do is to ... or directory Oh my god..... See Question&Answers more detail:os...

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

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517 views

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python - Replace paticular element inside all parentheses

All a specific letter, let's say 'A', needs to be replaced in all parentheses. For example, A. (AbbAAbb ... do this in only regular expression? See Question&Answers more detail:os...

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

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623 views

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python - How do I use pandas DataFrame.style?

I am trying to format my dataframe in HTML using the newly included 'style' in Pandas 0.19. I am trying to ... there a better way to do 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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python 3.x - ImportError: DLL load failed: The specified module could not be found -- IBM DB2

I know there have been many people with this same issue, but here is my situation which I have not been ... = Application(root) root.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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533 views

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python - installed flask successfully, still getting import error

I'm working with flask and python for the first time trying to create a web app. I'm on Windows 10 using ... dumb question, pretty new at 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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799 views

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python - Heroku Deploy Error : No matching distribution found for anaconda-client==1.6.14

I using trying to deploy an application built using python's Dash Framework to Heroku. Following the deploy ... .com/stroom-dash.git' See Question&Answers more detail:os...

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

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462 views

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python - keras: how to write customized loss function to aggregate over frame-level predictions to song-level prediction

I am doing a song genre classification (2 classes). For each song, I have chopped them into small frames ... alternatives? 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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550 views

1 answer

python - Save the contents of a Gtk.DrawingArea or Cairo pattern to an image on disk

I've got a small PyGI project which uses a Cairo image surface, which I then scale with a surface pattern ... write the scaled image to disk? See Question&Answers more detail:os...

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

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552 views

1 answer

python - Error while trying to save webcam picture with OpenCV

import cv capture = cv.CaptureFromCAM(0) img = cv.QueryFrame(capture) cv.SaveImage("test.JPG", img) Hi, ... error: NULL array pointer is passed See Question&Answers more detail:os...

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

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638 views

1 answer

python - How do I grab a thumbnail screenshot of many websites?

I have a list of 2500 websites and need to grab a thumbnail screenshot of them. How do I do that? I could ... I am not so experienced with Perl. See Question&Answers more detail:os...

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

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898 views

1 answer

python - Adding a line-terminator in pandas ends up adding another

I am able to load a csv file fine into a pandas dataframe with the panda defaults: df = pd.read_csv(file) > ... to trim all the column values? See Question&Answers more detail:os...

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

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498 views

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python - Print unicode string to console OK but fails when redirect to a file. How to fix?

I have Python 2.7.1 on a Simplified-Chinese version of Windows XP, and I have a program like this(windows_prn_utf8.py ... in 1.txt . 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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522 views

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python - Occurence of characters in common in two strings

I want to use a for loop to calculate the number of times a character in one string occurs in another string. e ... anyone know how to do 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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727 views

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python - How to turn Gdk pixbuf object into numpy array

So, I am trying to take a screenshot of the screen and do some stuff with it as numpy array. However, all I ... x, y, width, height) 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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617 views

1 answer

python - Collision for Pygame Game Map

I am trying to make a maze game in Pygame but am unable to achieve collision for the 1 (maze wall) in ... pygame.display.update() pygame.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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710 views

1 answer

python - Reverse upside-down asterisk triangle

I am trying to use nested for loops to ask the user for an integer and then the program will output a ... so help would be much appreciated. See Question&Answers more detail:os...

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

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684 views

1 answer

python - conda install -n base --revision 1 doesn't clean up pypi packages

I attempted cleaning up my base (mini)conda environment by installing revision 1 of the base environment. $ conda ... conda install --revision? See Question&Answers more detail:os...

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

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608 views

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python - Given a word can we get all possible lemmas for it using Spacy?

The input word is standalone and not part of a sentence but I would like to get all of its possible lemmas ... the lemma links I have counted. See Question&Answers more detail:os...

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

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615 views

1 answer

python - Message: Unable to find a matching set of capabilities error using Selenium and GeckoDriver while loading on live server

I have to build an web application on a linux webserver that will use selenium with firefox . When I run the ... new in linux 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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667 views

1 answer

python - Print while mouse pressed

i am using PyMouse(Event) for detecting if mouse button is pressed: from pymouse import PyMouseEvent class ... help me? 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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925 views

1 answer

python - libc++abi.dylib: terminating with uncaught exception of type NSException

I have developed a program in opencv python on linux and now I am trying to run it on mac. But now ... of type NSException 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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819 views

1 answer

python - pulling and integrating remote changes with pygit2

I do have the following problem. I'm writing a script which searches a folder for repositories, looks up the ... with my problem. Best Regards. See Question&Answers more detail:os...

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

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