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2026

2025

2024

31 Dec 2024 Year-End Summary
06 Nov How to Calculate the Font Height Needed When Rendering with CoreText?
04 Nov What Registers Are in the ARM Thread State of an iOS dSYM?
28 Oct What Image Modifiers (View Modifiers) Are Available in SwiftUI?
22 Oct iOS Hang Monitor Code
16 Oct UIImage Mirroring
02 Sep CFNotification Inter-Process Communication
22 Aug How to Use weak self and strong self in Nested Blocks in Objective-C
19 Aug NSIntegerMax Integer Overflow Issue Record
12 Aug Picking In Metal
11 Aug do-catch in Swift
31 Jul How to Handle Date Changes Across Days in iOS
27 Jul Adding a Magnification Gesture in SwiftUI
26 Jul Bridging UIKit Views in SwiftUI Using UIViewRepresentable
18 Jul Kerning Text Layout Calculation
02 Jul The Standard Way to Write hitTest
15 May The Smoothstep Function
05 May HarmonyOS Animation Categories
02 Apr A Calculation Method to Keep the Original UIImage Scale Ratio
22 Mar Using Masonry Advanced Methods to Lay Out Subviews Uniformly
21 Feb Motion Sensor Shake Detection
25 Jan The likeCommand Animation for the iOS Control Center Favorite Button
19 Jan ArkTS and ArkUI Basic Syntax
16 Jan Solving How to Transfer Files from HarmonyOS Phone to macOS
15 Jan HarmonyOS Launch Page Development

2023

31 Dec 2023 Year-End Summary
31 Oct The Standard of SQL Statements
12 Sep Solving the widgetURL Issue in iOS Widget Development
09 Sep SwiftUI Chapter 5 Study Summary
03 Sep SwiftUI Chapter 4 Study Notes
05 Aug SwiftUI Chapter 3 Study Notes
04 Aug Developing iOS 17 Widgets
02 Aug SwiftUI Availability Checking, Solving the iOS17 Available Issue for Widgets
18 Jun SwiftUI Chapter 2 Study Summary
15 Jun Solving the iOS16 WKWebView Debugging Issue
14 Jun UIImage Black-and-White Filter
09 Jun Learning How to Develop Apps for visionOS
07 Jun Shell Script to Batch Convert HEIC to PNG and WebP
04 Jun SwiftUI Chapter 1 Learning Summary
26 Apr The Complete CocoaPods Usage Guide
03 Apr Common Commands for Pod Repositories
22 Mar How to Use XCAssets in a Pod's Podspec
18 Mar The Form Widget in Flutter
17 Mar Drawing a Circular Slider with SwiftUI
12 Mar The Lifecycle of Flutter's Stateful Widgets
08 Mar Whimsical Module Design
06 Mar Type-Safe Casting in Objective-C
13 Feb Checking Whether an NSDate Is Today in iOS
05 Feb Blog Image Resource Optimization
02 Feb How to Publish a Post with Jekyll
01 Feb Swift defer Keyword

2022

24 Dec 2022 Year-End Summary
07 Dec Replicating the QQ Music Radial Gradient Animation
03 Dec The Birth of "The Sunyazhou Theory II"
25 Nov SwiftUI Property Wrappers: State, Binding, ObservableObject, EnvironmentObject
16 Sep Using NS_OPTIONS
16 Sep Sharing the FB Memory Detection Tool
22 Aug String Enums in iOS Development
01 Aug Check Whether a Cell Has Scrolled Off Screen
14 Jul iOS Interview Questions Record
11 Jul OOM in iOS
11 Jul Crash Types in iOS
05 Jul iOS - Finding the Nearest Common Superclass of Two UIViews
04 Jul Preorder, Inorder and Postorder Traversal of a Binary Tree
04 Jul Number of Islands
04 Jul Longest Palindromic Substring
04 Jul Merge Two Sorted Arrays
04 Jul Lowest Common Ancestor of a Binary Tree
04 Jul Search in Rotated Sorted Array
04 Jul Binary Tree Zigzag Level Order Traversal
04 Jul Linked List Cycle
04 Jul Binary Tree Level Order Traversal
04 Jul Two Sum
01 Jul Merging Two Sorted Lists
01 Jul Maximum Subarray
01 Jul 3Sum
01 Jul Kth Largest Element in an Array
01 Jul LRU Cache
01 Jul Longest Substring Without Repeating Characters
01 Jul Reverse Linked List
25 Apr macOS Mouse Software MOS
14 Apr Development Branch Management Model
13 Apr Open-Source YZ3DMenu Navigation Menu
06 Apr Understanding CVPixelBufferRef in Depth

2021

26 Dec 2021 Year-End Summary
23 Dec iOS Development Master Class 01 - Build Your Own iOS Development Knowledge System
12 Dec How to Calculate the Frequency of Certain Words in a Text
16 Oct Finding Subsets of a Set in Swift
23 Jun How to Determine Whether an NSString Is Pure Numeric
06 Apr WCDB Practice Notes
21 Feb UTIs: Apple's Official File Extension Name Collection
21 Jan Adding Gradient Colors to Scrolling Text
18 Jan Getting UIWindow Edge Insets

2020

2019

30 Dec 2019 Year-End Summary
06 Dec A Quick Look at the LLDB Debugging Tool Chisel
04 Dec Graphical Diagram Drawing Tool
26 Sep Using Masonry Constraints to Implement a Simple Advanced Draggable View
16 Sep UITraitCollection in Detail
06 Sep Learning OpenGLES Texture Rendering from Scratch
26 Jul Create a Simple Loading Animation
28 May Installing the iptables Firewall on CentOS7
17 May Compiling Cleaner For Xcode
24 Apr Windows Installation Tutorial
17 Apr AVRoutePickerView
21 Mar iOS Douyin Scrolling Caption
15 Feb Recommended Software for Mac

2018

28 Dec 2018 Year-End Summary
21 Dec iOS Douyin Transition Animation
06 Dec Detecting the Direction of a UIPanGesture
27 Nov iOS Douyin Like Animation Implementation
14 Nov iOS Video Loading Animation
13 Nov All Animatable Keypaths in iOS
08 Nov iOS Douyin Bottom-Right Album Animation
06 Nov iOS Implementation of Douyin's Vertical Swiping
29 Oct iOS Number Multiple Animation
29 Sep iOS Breath Animation
20 Sep Expanding the Tap Area of a UIButton on iOS
18 Sep iOS Keyboard Animation Details
02 Sep The Boat and the Lighthouse
17 Aug Advanced CPU and Thread Debugging Techniques in iOS
13 Aug Taptic Engine Haptic Feedback
23 Jul Using UIToolbar for a Gaussian Blur Background
18 Jul Linux Terminal Bash Shortcut Keys: Introduction and Experience
25 Jun Using Regular Expressions in Objective-C to Remove Non-Alphanumeric and Non-Chinese Characters
15 Jun Using NSAttributedString to Display Different Colors and Sizes
08 Jun Random Numbers in Swift 4.2
01 Jun Random Numbers in Swift
15 May Rounded Corners on Different Sides of a UIView
08 May Manually Managing the Life Cycle of UIViewController
07 May AudioUnit
02 Apr Understanding RunLoop in Depth
14 Mar Array Techniques in Swift 4
08 Mar What Is a Symbol Table?
05 Mar The Computer Graphics Rendering Process
04 Mar Learning AV Foundation (5) Playing Video
04 Feb NLP Tokenization Word Embedding
13 Jan Using Python to Operate the MySQL Database
12 Jan AVAudioSession-Category: All the Ways to Use It

2017

31 Dec 2017 Year-End Summary
27 Dec Inserting Audio Files in Markdown
19 Dec Audio Pan Value for Left/Right Channel Balance
15 Dec Adding KVO to a UICollectionViewCell
31 Oct On the Self-Cultivation of an Elegant Modal Transition
25 Oct Embedding Collapsible Tags in Markdown
16 Oct Understanding UIView Drawing
30 Sep DeviceCheck
29 Sep Markdown Table Syntax
01 Sep How to Use Charles to Intercept HTTPS Requests
30 Aug ARKit
07 Aug Learning AV Foundation (4) AVAsset Metadata (Advanced)
13 Jul What's New in iOS 11
04 Jul Generating Random UIColor Colors in iOS
26 Jun Getting Paths of Various Directories in iOS
26 Jun iOS Android Php RSA Encryption Decryption Universal Solution
20 Jun Enable Static Analyzer in Xcode
16 Jun How to Deprecate a Method in Objective-C
16 Jun Xcode9 New Feature Wireless Debugging on a Real Device
16 Jun Learning AV Foundation (4) AVAsset Metadata (Basics)
30 May OpenGL Programming Language - GLSL Basics
10 May 自定义NSTableRowView实现鼠标跟踪动态显示选中/非选中颜色
09 May How to Create Alias Files on macOS/MAC OS X
29 Apr Must-Learn Classics for Those Aspiring to Computer Science Majors
20 Apr How to Create Unique Filenames When Creating Files in iOS/macOS
06 Apr Xcode Shortcuts
29 Mar Access privacy-sensitive data
28 Mar Learning AV Foundation(Chapter 3)AVAudioRecorder
23 Mar 判断NSWindow是否全屏
17 Mar Learning AV Foundation (2): AVAudioPlayer
11 Mar Learning AV Foundation (Part 1) Chinese Text-to-Speech
22 Feb Simulating Keyboard Events on macOS
20 Feb Delete NSUserDefaults Content Using the Terminal
18 Feb How to Make the QR Code/Barcode Scanning Frame Follow the QR Code on iOS
17 Feb Some Tips for iOS Language Localization/Internationalization
10 Feb Tutorial for Building a Hexo Blog
10 Feb DFS Algorithm for Scanning Uploaded Files/Folders
09 Feb How to Use Git to Manage Code
09 Feb Disabling Scroll in Webview's NSScrollView
28 Jan Going Home for Spring Festival 2017
18 Jan iOS Development Knowledge Accumulation
13 Jan Learning macOS Development Path
13 Jan UIViewController Code Standards

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