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Accounting
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WWDC2019
WWDC2020
WWDC2021
WWDC2022
WWDC2023
Web
Xcode
gRPC
iOS
macOS
proto3
watchOS
Accounting
Activity Monitor
Algorithm
- Reservoir Sampling 08 Jan 2022
- Graham scan 03 Sep 2021
- Gift Wrapping Algorithm(Jarvis Algorithm) 03 Sep 2021
- Enumerate All Sub-mask 23 Jul 2021
- Held–Karp algorithm 23 Jul 2021
- Tarjan's strongly connected components algorithm 24 Apr 2021
- Rabin–Karp algorithm 28 Mar 2021
- Fast Exponentiation Algorithms 28 Mar 2021
- GCD - Euclidean algorithm 16 Mar 2021
- Rolling Hash 12 Mar 2021
- Boyer–Moore Majority Vote 24 Feb 2021
- Sieve of Eratosthenes 15 Feb 2021
- Fisher-Yates Shuffle 14 Feb 2021
- Decision Tree 30 Jan 2021
- Cycle detection 22 Jan 2021
- Binary Search Template 18 Jan 2021
- Newton's Method to Solve Integer Square Root 16 Jan 2021
- Akra-Bazzi Theorem 11 Jan 2021
- Master Theorem 11 Jan 2021
- Quick Sort 11 Jan 2021
- Binary Indexed Tree (Fenwick Tree) 10 Jan 2021
- Operational Transformation 11 Aug 2020
- AVL Tree 23 Mar 2020
- Kadane's Algorithm 21 Mar 2020
- Red Black Tree 05 Mar 2020
- Binary Search Tree 23 Feb 2020
- Canonical Binary Tree Algorithm 16 Feb 2020
- Eulerian Path And Hamiltonian Path 15 Feb 2020
- Topological Sort 15 Feb 2020
- Union Find 15 Feb 2020
- Merge Sort 22 Sep 2019
- Insertion Sort 17 Feb 2019
App Store
Apple
Application Architecture
Audio
Bazel
C++
CI
- Fix Golden Test Image Not Shown Properly Issue 14 Apr 2022
- Run Flutter Golden Tests Between MacOS and CI 13 Apr 2022
Cipher
Computational Geometry
Convex Hull
Dart
- Try Flutter with Firebase Cloud Messaging 19 Jul 2022
- Protocol Buffer Study Memo 25 Apr 2022
- Flutter Study Memo 26 Mar 2022
Data Structure
- Stack and Queue 02 Jan 2021
- Swift Circular Queue 22 Dec 2020
- Binary Search Tree 23 Feb 2020
- Union Find 15 Feb 2020
- Hash Table 02 Feb 2020
Data Systems
- Ch11 Stream Processing 09 Aug 2021
- Ch10 Batch Processing 08 Aug 2021
- Ch09 Consistency and Consensus 07 Aug 2021
- Ch07 Transactions 05 Aug 2021
- Ch06 Partitioning 03 Aug 2021
- Ch05 Replication 02 Aug 2021
- Caching 01 Apr 2020
- Load Balancing 01 Apr 2020
- Encoding and Evolution 30 Mar 2020
- Storage and Retrieval 28 Mar 2020
- Data Models and Query Languages 28 Mar 2020
- Reliable Scalable & Maintainable 26 Mar 2020
Database
Debug
Design Pattern
- VIPER 25 Jul 2021
- MVVM MVP MVC 12 Mar 2020
- SOLID Principle 23 Jan 2020
- Design Pattern PART I - Creational Patterns 15 Apr 2019
Developer
Docker
Error
Formula
Game
Github
- Reset Github Commit Author 08 May 2021
- Permissions 0644 for xx are too open 22 Mar 2021
- Add Project CHANGELOG 02 Oct 2020
- Add Blog Comments By Github Issues API 19 Aug 2020
- Difference between SSH keys & Deploy keys 03 Apr 2019
HTTP
HomeKit
Java
- Hash Table 02 Feb 2020
- Swift VS Java 17 Sep 2019
- HashMap vs HashSet 13 Sep 2019
- Java Primitive Data Types 13 Sep 2019
- Java Arrays Sort Algorithm 12 Sep 2019
Keras
- Keras Build and Train Model with Functional API 08 Jan 2021
- Keras Data Loading and Preprocessing 24 Dec 2020
Linux
- Upgrade Ubuntu 18.04 to 20.04 27 Jun 2022
- Fix Repository Doesn't Have a Release File Error 27 Jun 2022
- xRDP on Ubuntu 21 Apr 2022
- Remotely on Ubuntu Linux Server from Local Mac 21 Mar 2022
- SED Command 14 May 2021
M1Mac
ML
- Ch08 - Dimensionality Reduction 08 Sep 2021
- Ch07 - Ensemble Learning and Random Forests 31 Aug 2021
- Ch06 - Decision Trees 30 Aug 2021
- ML Reading Ch05 - Support Vector Machines 18 Jul 2021
- ML Reading Ch04 - Training Models 29 Jun 2021
- ML Reading Ch03 - Classification 08 Jun 2021
- ML Reading Ch02 - End-to-End Machine Learning Project 04 Jun 2021
- ML Reading Ch01 - The Machine Learning Landscape 04 Jun 2021
- Machine Learning Basic Definition 29 Jan 2021
- AttributeError: module 'dlib' has no attribute 'image_window' 04 Sep 2020
Mac
- Remotely on Ubuntu Linux Server from Local Mac 21 Mar 2022
- Permissions 0644 for xx are too open 22 Mar 2021
- FFmpeg Encode Video 08 Nov 2020
- Mac Internal Audio Recording 05 Nov 2020
MacOS
- Fix Golden Test Image Not Shown Properly Issue 14 Apr 2022
- Run Flutter Golden Tests Between MacOS and CI 13 Apr 2022
- Fix sudo /etc/sudoers is owned by uid 502 Error 22 Jan 2021
- Duet Activity Scheduler Daemon 02 Jul 2020
Math
- Digital Root 08 Feb 2022
- Gray Code 03 Jul 2021
- Pigeonhole principle 24 Apr 2021
- Fast Exponentiation Algorithms 28 Mar 2021
- GCD - Euclidean algorithm 16 Mar 2021
- Hamming Weight 04 Feb 2021
- Newton's Method to Solve Integer Square Root 16 Jan 2021
- Akra-Bazzi Theorem 11 Jan 2021
- Master Theorem 11 Jan 2021
- Binet's Formula And Golden Ratio 07 Jan 2021
- Lagrange's four-square theorem 22 Dec 2020
- Swift Modulo Operation 09 Dec 2020
- Narcissistic Number 08 Apr 2020
Memory
My Thoughts
Number Theory
Objective-C
- Objective C - copy, assign, retain 24 Feb 2023
- Objective-C - Code Follows Established Conventions 17 Nov 2020
- Objective-C - Error Objects Are Used for Runtime Problems 16 Nov 2020
- Objective-C - Blocks Simplify Common Tasks 11 Nov 2020
- Objective-C - Values and Collections Are Often Represented as Objective-C Objects 20 Oct 2020
- Objective-C - Protocols Define Messaging Contracts 13 Oct 2020
- Objective-C - Categories Extend Existing Classes 13 Oct 2020
- Objective-C - An App Is Built from a Network of Objects 12 Oct 2020
Packages
Programming Paradigm
Project Management
Proto3
Python
- Python Selenium 16 Oct 2021
- Keras Build and Train Model with Functional API 08 Jan 2021
- Keras Data Loading and Preprocessing 24 Dec 2020
REST
Ruby
RxSwift
Server
Shell
Swift
- SwiftUI Picker Label Not Showing Issue 04 Dec 2021
- SwiftUI Image Cause System Run out of Memory Issue 24 Nov 2021
- NSURLError Memo 11 Nov 2021
- Learning Record of 100 Days of SwiftUI 29 Aug 2021
- Define Your Own Option - OptionSet vs Enum vs Struct 20 Aug 2021
- Swift Server Docker - failed to launch REPL process 'A' 25 Jul 2021
- Protocol-Oriented Programming in Swift 28 Jun 2021
- Try Vapor 19 Jun 2021
- Swift String Literals 19 Jun 2021
- WWDC2021 Explore WKWebView Additions 10 Jun 2021
- WWDC2021 What's New in Foundation 09 Jun 2021
- WWDC2021 What's New in Swift 09 Jun 2021
- WWDC2021 Swift Concurrency 09 Jun 2021
- Read XcodeGen 15 Mar 2021
- Fatal error could not demangle keypath type 22 Jan 2021
- Binet's Formula And Golden Ratio 07 Jan 2021
- Lagrange's four-square theorem 22 Dec 2020
- Swift Circular Queue 22 Dec 2020
- Swift Int Bit Transfer 15 Dec 2020
- Swift Modulo Operation 09 Dec 2020
- Replace deprecated RxSwift.Variable 02 Dec 2020
- Swift Integer Operators 27 Oct 2020
- Swift LazySequence 14 Aug 2020
- Swift Variadic Parameters 12 Aug 2020
- SwiftUI Recommend Book 11 Jul 2020
- Swift Nonfrozen Enumeration 01 May 2020
- Swift Fallthrough 28 Apr 2020
- Pass Array or ArraySlice into Function 07 Apr 2020
- Swift Recursive Enumerations 20 Mar 2020
- Swift String To Int Radix 14 Mar 2020
- Swift Package Manager -- PART II 28 Feb 2020
- Swift Random Unification 22 Feb 2020
- Swift Dictionary 09 Feb 2020
- Swift Arrays 08 Feb 2020
- Swift In-Out 08 Feb 2020
- Swift Sort 08 Feb 2020
- Swift Set 08 Feb 2020
- Swift For In Loops 08 Feb 2020
- Swift Numeric Literals & Numeric Type Conversion 07 Feb 2020
- Swift Integers & Floating-Point Numbers 06 Feb 2020
- Hash Table 02 Feb 2020
- Swift Package With Xcode 29 Jan 2020
- An idea about RootViewController in iOS 05 Dec 2019
- Main Async VS Sync 06 Nov 2019
- Use Timer In iOS 01 Nov 2019
- Swift Package Manager -- PART I 18 Oct 2019
- Swift Debug Assert 20 Sep 2019
- The Problem When Upgrade to use Xcode 11 GM 17 Sep 2019
- Swift VS Java 17 Sep 2019
- Modern Swift API Design 12 Jun 2019
SwiftUI
System Design
- Ch11 Stream Processing 09 Aug 2021
- Ch10 Batch Processing 08 Aug 2021
- Ch09 Consistency and Consensus 07 Aug 2021
- Ch07 Transactions 05 Aug 2021
- Ch06 Partitioning 03 Aug 2021
- Ch05 Replication 02 Aug 2021
- Long-Polling VS WebSockets VS Server-Sent Events 02 Apr 2020
- Caching 01 Apr 2020
- Load Balancing 01 Apr 2020
- Encoding and Evolution 30 Mar 2020
- Storage and Retrieval 28 Mar 2020
- Data Models and Query Languages 28 Mar 2020
- SQL vs NoSQL 28 Mar 2020
- Reliable Scalable & Maintainable 26 Mar 2020
SystemDesign
TVoS
TestFlight
Theorem
- Zermelo's theorem 24 Jan 2022
- Akra-Bazzi Theorem 11 Jan 2021
- Master Theorem 11 Jan 2021
- Lagrange's four-square theorem 22 Dec 2020
Tool
Ubuntu
- Useful Ubuntu Command 12 Aug 2022
- xRDP on Ubuntu 21 Apr 2022
- Remotely on Ubuntu Linux Server from Local Mac 21 Mar 2022
Ubuntu 18.04
- Upgrade Ubuntu 18.04 to 20.04 27 Jun 2022
- Fix Repository Doesn't Have a Release File Error 27 Jun 2022
Ubuntu 20.04
Unicode
Unix
VSCode
WWDC2019
- iOS Networking 25 Jul 2021
- UICollectionView Updates in WWDC2019 27 May 2021
- Modernizing UI for iOS 13 29 Jan 2020
- Introduction of Universal Links 22 Jan 2020
- Cannot Run `Real` Scheme After Install Xcode11 beta 28 Jun 2019
- Modern Swift API Design 12 Jun 2019
- Vision Framework 07 Jun 2019
WWDC2020
- UICollectionView Updates in WWDC2020 27 May 2021
- Diagnose Performance Issue 20 Apr 2021
- What's New in Managing Apple Devices 25 Nov 2020
- What's New in Universal Links 25 Nov 2020
- PHPicker and Limited Photos Library 11 Sep 2020
- User Privacy and Data Use 13 Aug 2020
- App Clips 25 Jun 2020
- WWDC2020 Keynote Memo 22 Jun 2020
WWDC2021
- Discover rolling clips with ReplayKit 08 Feb 2023
- WWDC2021 Explore WKWebView Additions 10 Jun 2021
- WWDC2021 What's New in UIKit 10 Jun 2021
- WWDC2021 What's New in Foundation 09 Jun 2021
- WWDC2021 What's New in Swift 09 Jun 2021
- WWDC2021 Swift Concurrency 09 Jun 2021
- WWDC2021 Keynote Memo 08 Jun 2021
WWDC2022
WWDC2023
Web
Xcode
- Diagnose Performance Issue 20 Apr 2021
- Read XcodeGen 15 Mar 2021
- Compile dlib with Xcode 30 Oct 2020
- Fix Xcode 12 iOS Simulator Development Target Warning 24 Sep 2020
- Upload app to App Store Connect 10 Apr 2020
- Swift Package Manager -- PART II 28 Feb 2020
- Xcode Active Compilation Conditions 26 Feb 2020
- Swift Package With Xcode 29 Jan 2020
- Custom Xcode Header Comment 20 Jan 2020
- Fix Cannot Find Header Files For Ruby Error 20 Dec 2019
- Swift Package Manager -- PART I 18 Oct 2019
- GPU Frame Capture Error 20 Sep 2019
- The Problem When Upgrade to use Xcode 11 GM 17 Sep 2019
- Be Careful Using `Named Color` at Xcode Xib File 03 Jul 2019
- Cannot Run `Real` Scheme After Install Xcode11 beta 28 Jun 2019
- Crash Reports 13 May 2019
gRPC
iOS
- WWDC 2023 Keynote Memo 06 Jun 2023
- Objective C - copy, assign, retain 24 Feb 2023
- Discover rolling clips with ReplayKit 08 Feb 2023
- iOS Networking 25 Jul 2021
- UICollectionView Updates in WWDC2019 27 May 2021
- UICollectionView Updates in WWDC2020 27 May 2021
- UIImage Read From FilePath 10 Dec 2020
- What's New in Managing Apple Devices 25 Nov 2020
- What's New in Universal Links 25 Nov 2020
- PHPicker and Limited Photos Library 11 Sep 2020
- Duet Activity Scheduler Daemon 02 Jul 2020
- iOS Refresh Rate 08 May 2020
- Swift Package Manager -- PART II 28 Feb 2020
- Push Remote Notification 19 Feb 2020
- Swift Package With Xcode 29 Jan 2020
- Modernizing UI for iOS 13 29 Jan 2020
- Introduction of Universal Links 22 Jan 2020
- An idea about RootViewController in iOS 05 Dec 2019
- Main Async VS Sync 06 Nov 2019
- Use Timer In iOS 01 Nov 2019
- Swift Package Manager -- PART I 18 Oct 2019
- Settings Bundle 02 Oct 2019
- Resize UIImage 26 Sep 2019
- Try Vision Sample Code 26 Jul 2019
- Be Careful Using `Named Color` at Xcode Xib File 03 Jul 2019
- Cannot Run `Real` Scheme After Install Xcode11 beta 28 Jun 2019
- Modern Swift API Design 12 Jun 2019
- Vision Framework 07 Jun 2019
- Debug UIViewAlertForUnsatisfiableConstraints 27 May 2019
- iOS Logging System -- OSLog 13 May 2019
- Crash Reports 13 May 2019
- Dispatch Group 19 Feb 2019
- Push Local Notifications in iOS app - PART I Ask Permission 06 Feb 2019
macOS
- HomeBridge on macOS 16 Oct 2021
- UICollectionView Updates in WWDC2019 27 May 2021
- Introduction of Universal Links 22 Jan 2020