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Showing posts with the label Python Internals

Multiprocessing - Cancel Remaining Jobs In A Pool Without Destroying The Pool

I'm using map_async to create a pool of 4 workers. And giving it a list of image files to proce… Read more Multiprocessing - Cancel Remaining Jobs In A Pool Without Destroying The Pool

Python 3.4 Multiprocessing Queue Faster Than Pipe, Unexpected

I am doing an audio player that received samples from an udp socket, and everything was working fin… Read more Python 3.4 Multiprocessing Queue Faster Than Pipe, Unexpected

Python Dictionary Iterator Performance

When working with dictionaries in Python, this page says that the time complexity of iterating thro… Read more Python Dictionary Iterator Performance

How Does Cpython Determine Whether A User Supplied An Optional Argument?

I started wondering how CPython can tell the difference between None as a default argument and None… Read more How Does Cpython Determine Whether A User Supplied An Optional Argument?

In-place Custom Object Unpacking Different Behavior With __getitem__ Python 3.5 Vs Python 3.6

a follow-up question on this question: i ran the code below on python 3.5 and python 3.6 - with ver… Read more In-place Custom Object Unpacking Different Behavior With __getitem__ Python 3.5 Vs Python 3.6

Converting A Series Of Ints To Strings - Why Is Apply Much Faster Than Astype?

I have a pandas.Series containing integers, but I need to convert these to strings for some downstr… Read more Converting A Series Of Ints To Strings - Why Is Apply Much Faster Than Astype?

Handling Map Function In Python2 & Python3

Recently i came across a question & confused with a possible solution, code part is // code p… Read more Handling Map Function In Python2 & Python3

In Python, What Is The Difference Between F.readlines() And List(f)

From both Python2 Tutorial and Python3 Tutorial, there is a line in the midpoint of section 7.2.1 s… Read more In Python, What Is The Difference Between F.readlines() And List(f)