Python 3: Keyword-Only Arguments

September 28, 2017 less than 1 minute read

参 Effective Python Item 21: Enforce Clarity with Keyword-Only Arguments 和 PEP 3102 – Keyword-Only Arguments。

Pandas: Accessing the index of a row in an apply function

September 25, 2017 less than 1 minute read

You CANNOT access each row’s index via lambda x: x.index in DataFrame.apply(axis=1) because apply treats each row as a numpy object, not a Series. However yo...

SemiBoost

September 6, 2017 5 minute read

The inconsistency among the unlabeled examples:

Python GIL: Global Interpreter Lock

September 3, 2017 3 minute read

Python: Put simply, generators are special coroutines

August 31, 2017 12 minute read

next(coro) == coro.send(None)