Some useful Newrelic queries for mobile app (NRQL)
If you read this article you may know about https://newrelic.com. It's powerful tool to monitor you ...
#coding
Bloom Filter by Swift
Overview Bloom filter is Probabilistic data struct, it can tell an object is definitely not exist in ...
TLV - Tag Length & Value, minimal data format for communicating
TLV is basically a multi-levels data format represented by an array of bytes. There're no wasted dat ...
SwiftUI's LocalizedStringKey
When doing localization with UIKit, we need to convert the key to expectation string by using NSLoca ...
HashCash - crypto currencies' algorithm
Introduction At the moment of writting this post, Bitcoin just hit $60,000 with a market cap over 1 ...
[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 ...
From Coin Change to ATM withdrawals
Problem Just curious about how ATM works. Example, we provide it set of denominations {10k, 20k, 50k ...
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 ...