Fun with Prime Numbers
Wikipedia says: A prime number (or a prime) is a natural number greater than 1 that cannot be forme ...
#english
Solve Skyline Problem by Swift - Leetcode 218
Detail of this problem can be found here. https://leetcode.com/problems/the-skyline-problem/ We ...
What makes a good hashing function?
Below are my self-implement hash function follow this common way: extension String { var myHa ...
[SwiftUI] Presenting an Alert or a View from a View
Any View in SwiftUI framework could present an Alert or another View in modal presentation style. ...
Products to reduce plastic package
Below are some replacements for plastic food packaging. Recyclable food containersBanana leaves are ...
"Facebook's Power Should Worry Us All" - Paraphrasing
Original from Julian Lee - The Sydney Morning Herald October 10, 2011 https://www.smh.com.au/by/juli ...
Bit Facts and Tricks
In Wikipedia we trust =)) The bit is a basic unit of information in information theory, computing, ...
Big O Practice
In previous lesson (https://hapq.me/big-o/), we have learned basic knowledge about Big-O and Time Co ...