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Tag: python

Why python tries to use directly Alsa as a sound output?

I’m using Ubuntu 20.04.5 LTS When I try to play sound with pygame or pyglet, it plays it normally. However, when my computer is playing sound from any other source, I just get error Here is the pygame version I get an error: It seems that pygame tries to play audio directly from ALSA and that’s wh…

Automatic avoidance of category duplicates

I have the problem with Category Model. I have 2 tables: so they are standard models with categories. User can create Category by creating a movie with the name of category additionaly. The problem is when user is trying to create Movie with category name that already exists, because it will create another ca…

Eliminate for loop when indexing into array

I have two arrays: vals has shape (N,m) where N is ~1 million, and m is 3. The values are floats I have another array indices with shape (N,4). All values in indices are row indices in vals. (Additionally, unlike the example here, every row of indices contains unique values.). I would like replace the followi…