pdb: Your interactive python debugger

October 4, 2017 1 minute read

Effective Python Item 57: Consider Interactive Debugging with pdb

Python: 3 ways to use metaclasses

September 30, 2017 1 minute read

Effective Python Item 33: Validate Subclasses with Metaclasses

Python: Referencing and assignment in inner functions

September 28, 2017 1 minute read

这一篇的内容在 Digest of Fluent Python: 7.4 Variable Scope Rules 和 Python: Variable scope in if-statement 都有讲到，但是 Effective Python 的 Item 15: Know How Closures Inte...

Python: for-else with break

September 28, 2017 less than 1 minute read

Python Tips: 19. For - Else:

Python: Diamond Inheritance and super

September 28, 2017 2 minute read

参 Effective Python Item 25: Initialize Parent Classes with super。

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)