All new SwiftUI Property Wrappers in iOS 14
There are some new property wrappers added to SwiftUI. I will explain them by showing you the Old w ...
#xcode
[Combine] assign(to:on:) causes memory leak
It seems Apple did fix this issue in iOS 14, by introducing the assign(to:) operator, which takes a ...
Day 21 of 30 days Leetcode challenge
Leftmost Column with at Least a One (This problem is an interactive problem.) A binary matrix mean ...
AES - Advanced Encryption Standard
Giới thiệu AES là chuẩn mã hoá được sử dụng khắp nơi hiện nay. Bài viết bạn đang đọc, video bạn hay ...
What is a race condition and how do we avoid it?
Take a look at the picture below, there are 3 concurrent tasks running. They start at different time ...
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 ...