Python Strings

When you make a string in Python, but the string shall look like multiple lines in the source code, the following doesn’t work: [more]

Floyd's cycle-finding algorithm

A well-known interview question: How to determine if a linked-list has a loop? The answer is to have two pointers scanning the linked-list. If the linked-list doesn’t contain any loop, we should be able to find the end of the linked-list. If the linked-list does contain a loop, then with... [more]