Recent questions tagged Python

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python - Django's FilteredSelectMultiple widget only works when logged in

I have a ModelForm in which I use the FilteredSelectMultiple widget. It works perfectly fine when I'm logged in as ... :( Any other idea ? 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 - How to play video in a QVideoWidget promoted in Qt Designer?

I am a beginner in Qt. But following some tutorials I created a UI in qt designer which would display a live stream ... () sys.exit(app.exec_()) 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 - How to run `selenium-chromedriver` in multiple threads

I am using selenium and chrome-driver to scrap data from some pages and then run some additional tasks with that ... work done by self.main! 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 - How to wait for result from Tkinter TopLevel window before continuing?

After a user clicks on a button, I want to create a new TopLevel window with suggestions and when user selects ... (pady=15) root.mainloop() 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 - Preserve QStandardItem subclasses in drag and drop

I have: self.treeView = QTreeView() self.treeView.setObjectName("testView") self.treeView.setDragDropMode(QAbstractItemView. ... drag and drop? 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 - Painting in a QLabel with paintEvent

I want to paint a rectangle in a certain label, I made a GUI with QtDesigner that generates the whole GUI code in ... () sys.exit(app.exec_()) 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 - How to pass echo y to plink.exe for first connection

I would like to pass echo y to plink.exe, so that plink execute a command. How it can be achieved? os.system(' ... to Store key in cache? (y/n) 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 - Mathplotlib draw triangle with gradient fill

I have to draw a triangle in Python using mathplotlib. This is how it should eventually look like: My objective is, ... ? Can some one help me? 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 - Ship moves up and left faster than down and right when rotating in pygame

I am working on a simple game. I created a pygame sprite which and tested it by making it move forward and ... top left corner of the screen. 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 - time.sleep() required to keep QThread responsive?

First, I am new to Python. I am a long-time MatLab user (engineer, not computer scientist) and I am beginning ... Thanks for the help on 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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137 views

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python - Py2exe, Runtimeerror with tweepy

I wanted to use the python plugin for twitter called tweepy. in my main.py file I just imported tweepy import ... to break out of this cycle? See Question&Answers more detail:os...

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

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198 views

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python - HSL range for yellow lane lines

I am currently working on simple lane detection and I have some trouble finding the range/input values for yellow ... http://prntscr.com/ng2cx6 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 - Returning a lower case ASCII string from a (possibly encoded) string fetched using urllib2 or BeautifulSoup

I am fetching data from a web page using urllib2. The content of all the pages is in the English language ... case ASCII string version of 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 - Run GUI concurrently with Flask application

I'm trying to build a simple tkinter GUI window around my flask application for noobs in my office. I want ... process while the app's running? 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 - Converting pandas dataframe to structured arrays

I have the following pandas dataframe import pandas as pd a = [2.5,3.3] b = [3.6,3.9] D = {'A ... around that. Any help is appreciated. 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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122 views

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python - Is it a good idea to dynamically create variables?

I recently found out how to dynamically create variables in python through this method: vars()['my_variable'] = ... the variables ahead of time? See Question&Answers more detail:os...

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

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138 views

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python - Writing to CSV from list, write.row seems to stop in a strange place

I am attempting to merge a number of CSV files. My Initial function is aimed to: Look Inside a directory and ... all this! Many Thanks -Huw See Question&Answers more detail:os...

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

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135 views

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python - pyodbc on Azure

I have a python webapp in Azure which I would like to read from an SQLServer also in Azure in the same resource group ... (and if so, which?)? See Question&Answers more detail:os...

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

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281 views

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python - Rounding floats so that they sum to precisely 1

I have a rather gnarly bit of code that must more-or-less randomly generate a bunch of percentages, stored as ... figure this out for days now. See Question&Answers more detail:os...

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

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316 views

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python - Relocating virtual environment project from local to server (flask project), have to install dependencies again?

I have created a flask application in a virtual environment on my local machine and I could run it locally (at http: ... of funny to do 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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263 views

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python - Assign multiple functions to a single variable?

In Python we can assign a function to a variable. For example, the math.sine function: sin = math ... brackets print sin (my_number_in_degrees) See Question&Answers more detail:os...

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

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269 views

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python - MongoEngine: EmbeddedDocument v/s. ReferenceField

EmbeddedDocument will allow to store a document inside another document, while RefereneField just stores it's reference. ... no good answers. See Question&Answers more detail:os...

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

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122 views

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python write to file from dictionary

I'm new with Python and I know that piece of code is very simple and lacks some statements, actually I need to ... ) f.write(mobile) f.close() See Question&Answers more detail:os...

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

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138 views

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python - how i can make thread for progress bar with pafy

i'm trying to fix problem in my program and this problem is when i start download video the program not ... I use;python3.5 pyqt5 pafy See Question&Answers more detail:os...

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

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115 views

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python - Merge two dataframe in pandas

I am merging two csv(data frame) using below code: import pandas as pd a = pd.read_csv(file1,dtype={' ... it again convert it to numeric See Question&Answers more detail:os...

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

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166 views

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python - pip install is not working

I am trying to install pygame with pip install . but every time i tried i faced to this error. Retrying (Retry ... but I faced the same problem See Question&Answers more detail:os...

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

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111 views

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python - Remove Logs from PyQt5 Browser on Console

I have a PyQt5 application Virtual Desktop that has a built-in browser. When I use the browser, I get JS ... is populated with JS errors. See Question&Answers more detail:os...

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

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1.4k views

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python - OSError: [WinError 193] %1 is not a valid Win32 application - when trying to import numpy

I can install numpy or pandas, but I can't import them in cmd, jupyter notebook or sublime text. (However ... solve it will be very appreciated. See Question&Answers more detail:os...

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

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