Day 18 of 30 days Leetcode challenge - Minimum Path Sum
Minimum Path Sum Given a m x n grid filled with non-negative numbers, find a path from top left to ...
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SwiftUI tappable StackView
There is one problem I recently faced with onTapGesture with Stack Views. Unlike all views, Stack Vi ...
GCD queues : serial and concurrent
If you are reading this post, I wish you a merry christmas and new successful 2020. It has been lon ...
Fun with Prime Numbers
Wikipedia says: A prime number (or a prime) is a natural number greater than 1 that cannot be forme ...
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 ...