Python: Be cautious when using generators/iterators in nested loops
Simply because generators/itertors would drain.
Recent Posts
Python: It’s safe to slice a list with index out of range
用单个下标 access 直接返回 list 的单个 element，用 slice (或者严格一点说是用一个 slice object 去 access) 返回一个 sub-list，这俩都是很常见的操作。但是：
Python: calling static methods within the same class / recursive static methods
假设我们有一个 class Test，有一个 @staticmethod foo：
Python: sorted() vs list.sort()
Summary
LeetCode: Min Sub and Max Sub Problems
1. 求 min/max sub-array 或 sub-string 问题的套路
Python: Quick Sort Revisited / Relation To BST / Lomuto Partition Scheme / Hoare Partition Scheme
参考 Quicksort with Python
Python: Heaps
参考:
Python: Heap Select / Quick Select
Question: Find the $k$-th Smallest Element in an Unsorted Array
Python: itertools.groupby() and pd.DataFrame.groupby() are different!
Looks like I’ve been wrong for years… maybe because I am too familiar with the SQL-style groupby operation.