Queue.Queue vs. collections.deque
I need a queue which multiple threads can put stuff into, and multiple threads may read from.
python
Tensorflow set CUDA_VISIBLE_DEVICES within jupyter
I have two GPUs and would like to run two different networks via ipynb simultaneously, however the first notebook always allocates both GPUs.
How to annotate Count with a condition in a Django queryset
Using Django ORM, can one do something like queryset.objects.annotate(Count('queryset_objects', gte=VALUE)). Catch my drift?
Pandas – Compute z-score for all columns
I have a dataframe containing a single column of IDs and all other columns are numerical values for which I want to compute z-scores. Here’s a subsection of it:
one-liner to check if at least one item in list exists in another list?
Lets say I have a list a=[1,2,3] And I want to know if at least one of the numbers in it exist in another list, like this one: b=[4,5,6,7,8,1] In other words, I want to know if 1,2 or 3 exist(s) in list b. I now I could do something like def func(a, b): for … Read more
Override the {…} notation so i get an OrderedDict() instead of a dict()?
Update: dicts retaining insertion order is guaranteed for Python 3.7+
py2exe fails to generate an executable
I am using python 2.6 on XP. I have just installed py2exe, and I can successfully create a simple hello.exe from a hello.py. However, when I try using py2exe on my real program, py2exe produces a few information messages but fails to generate anything in the dist folder.
Existence of mutable named tuple in Python?
Can anyone amend namedtuple or provide an alternative class so that it works for mutable objects?
How to append multiple values to a list in Python
I am trying to figure out how to append multiple values to a list in Python. I know there are few methods to do so, such as manually input the values, or put the append operation in a for loop, or the append and extend functions.
Pandas groupby for zero values
I have data like this in a csv file