Python: sorted() vs list.sort()
Summary
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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.
Python: Vanilla $k$-way Merge Implementation & Lexical Order
$k$-way Merge ($k$ 路归并)
Python: and/or Operators on Objects
今天才发现如果是两个 objects 做 and 或者 or 的时候，返回的不是 boolean 而是 object。
Python: Bitwise Inverse Operator vs Complements vs Nagatives
参考 Stack Overflow: How does the bitwise complement operator (~ tilde) work? Answer by Anthony。