Nested f-strings
Thanks to David Beazley’s tweet, I’ve recently found out that the new Python 3.6 f-strings can also be nested:
python-3.x
Floor division with negative number
The expression 6 // 4 yields 1, where floor division produces the whole number after dividing a number.
Concurrent.futures vs Multiprocessing in Python 3
Python 3.2 introduced Concurrent Futures, which appear to be some advanced combination of the older threading and multiprocessing modules.
How to fix AttributeError: partially initialized module?
I am trying to run my script but keep getting this error:
tkinter.TclError: image “pyimage3” doesn’t exist
I’m having trouble with a function that shows an image for two seconds on screen, and then is destroyed. When the program runs the functions initial call procedurely works fine, but if the function is then called via a button built in tkinter I get an error.
Clear QLineEdit on click event
I am using the given code, I want the user to enter text in the QLineEdit widget, press the Copy! button and see the inputted text replace the ‘N/A’ label. My questions is: following this procedure, how can I clear the text inputted in the QLineEdit widget with a simple mouse click?
Safely evaluate simple string equation
I’m writing a program in which an equation is inputted as a string, then evaluated. So far, I’ve come up with this:
trying creating dropdown menu pygame, but got stuck
So so far here’s my code:
Why np.hypot and np.subtract.outer very fast compared to vanilla broadcast ? Using Numba for speedup numpy in parallel for distance matrix calculation
I have two large sets of 2D points and I need to calculate a distance matrix.