Python Library

is in Python tests if 2 references point to the same object. Numbers between -5 and 256 are cached … Read more Why Does '20000 Is 20000' Result In True?

x=300 y=300 print(id(x),id(y)) a=[300,300] print(id(a[0]),id(a[1])) On executing above code I get … Read more Python 3 Integer Addresses

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

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

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?

While optimising my code I realised the following: >>> from timeit import Timer as T >&… Read more Python: Why Are * And ** Faster Than / And Sqrt()?

Couldn't find much on this. Trying to compare 2 values, but they can't be equal. In my case… Read more When To Use `<>` And `!=` Operators?