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Variable / Bound Variable / Free Variable / Scope / Closure

Posted by Yao Yao on December 5, 2020

Comparing Time Complexity

Posted by Yao Yao on August 3, 2020

Subarray / Substring / Subsequence

Posted by Yao Yao on May 26, 2020

Permutation Groups / Permutation Notations / Order of A Permutation / Transpositions

Posted by Yao Yao on April 27, 2020

LeetCode: Stock Problems

Posted by Yao Yao on April 23, 2020

Python: enumerate()

Posted by Yao Yao on April 22, 2020

Python: Be cautious when using generators/iterators in nested loops

Posted by Yao Yao on April 1, 2020

Python: It's safe to slice a list with index out of range

Posted by Yao Yao on March 31, 2020

Python: calling static methods within the same class / recursive static methods

Posted by Yao Yao on March 23, 2020

Python: sorted() vs list.sort()

Posted by Yao Yao on February 24, 2020