Python Guru

I've been looking through the code of the os module (just to be clear, I'm looking at the f… Read more Python: Where Is The Code For Os.mkdir?

I was playing around with timeit and noticed that doing a simple list comprehension over a small st… Read more Why Is It Slower To Iterate Over A Small String Than A Small List?

It is clear to me that None is used to signify the lack of a value. But since everything must have … Read more Value Of Py_none

There is puzzling (at least for me) behavior of Python's set in combination with NaNs (here liv… Read more Causes For Inconsistent Behavior When Adding Nans To A Set

I have built a Python C++ module based on Python 3.4.3. Later I have installed Python 3.5, and trie… Read more Backward Compatibility Of Python 3.5 For External Modules

When converting a bytearray-object (or a bytes-object for that matter) to a C-string, the cython-do… Read more Is An Explicit Nul-byte Necessary At The End Of A Bytearray For Cython To Be Able To Convert It To A Null-terminated C-string