热爱技术、音乐和美食https://bitnpc.github.io/en-ushttps://bitnpc.github.io/en/posts/2026-06-05-claude-code-dynamic-workflow/https://bitnpc.github.io/en/posts/2026-06-05-claude-code-dynamic-workflow/Claude Code Dynamic Workflow uses AI-generated orchestration scripts to decompose, parallelize, verify, and merge tasks, overcoming the context, parallelism, and verification limits of single-agent loops.Fri, 05 Jun 2026 00:00:00 GMTClaude CodeAIAgentOrchestration技术AIhttps://bitnpc.github.io/en/posts/2026-02-02-swift-async-await-deep-dive/https://bitnpc.github.io/en/posts/2026-02-02-swift-async-await-deep-dive/A deep dive into Swift async/await covering implementation internals, performance comparison with GCD and callbacks, Actor-based data race protection, and best practices for production code.Mon, 02 Feb 2026 00:00:00 GMTSwiftAsync/AwaitConcurrency技术iOShttps://bitnpc.github.io/en/posts/2025-12-16-smth/https://bitnpc.github.io/en/posts/2025-12-16-smth/This article explores building a multi-platform SMTH BBS client (iOS/iPadOS/macOS) with SwiftUI, detailing MVVM architecture, dependency injection, pagination state management, SwiftUI best practices, and cross-platform adaptation strategies.Tue, 16 Dec 2025 00:00:00 GMTMVVMSwiftUIArchitectureCross-PlatformTechiOShttps://bitnpc.github.io/en/posts/2025-11-20-mac-cast-to-android-pad/https://bitnpc.github.io/en/posts/2025-11-20-mac-cast-to-android-pad/Mac-to-Android Pad screen casting architecture: virtual display capture, VideoToolbox encoding, VBR strategy, and HID reverse control.Thu, 20 Nov 2025 00:00:00 GMTConnectivityScreen CastingVideoToolboxVirtual DisplayVBRHIDTechAudio & Videohttps://bitnpc.github.io/en/posts/2025-11-04-motionphoto_livephoto_convert/https://bitnpc.github.io/en/posts/2025-11-04-motionphoto_livephoto_convert/Examines file structure, metadata, and conversion paths between Google Motion Photo and Apple Live Photo, with a two-way lossless-preferring scheme for HDR GainMap and Depth retention via a reusable Swift package.Tue, 04 Nov 2025 00:00:00 GMTMotion PhotoLive PhotoHDR GainMapHEICEXIF/XMPTechAudio & Videohttps://bitnpc.github.io/en/posts/2025-10-13-android-screen-mirroring-architecture/https://bitnpc.github.io/en/posts/2025-10-13-android-screen-mirroring-architecture/End-to-end architecture of Android screen mirroring to Mac/iPhone: phone-side capture and hardware encoding, network transmission, receiver-side decoding, and Metal rendering. Covers reverse control, transport protocol, and latency optimization.Mon, 13 Oct 2025 00:00:00 GMTConnectivityScreen MirroringVideo CodecMetalH.264H.265TechAudio & Videohttps://bitnpc.github.io/en/posts/2025-08-26-dive_into_vision/https://bitnpc.github.io/en/posts/2025-08-26-dive_into_vision/Apple's Vision framework combines hardware acceleration, ML optimization, and Swift concurrency to deliver high-performance computer vision for iOS. Covers architecture, face detection, text recognition, pose tracking, and production best practices.Tue, 26 Aug 2025 00:00:00 GMTVisionTechAIhttps://bitnpc.github.io/en/posts/2024-11-10-mijia_camera_tech/https://bitnpc.github.io/en/posts/2024-11-10-mijia_camera_tech/A systematic breakdown of building an industrial-grade Mijia smart camera from three angles: hardware design, software architecture, and cloud services. Uses the PTZ indoor camera as the main thread.Sun, 10 Nov 2024 00:00:00 GMTSmart HomeIoTCameraEmbeddedP2PTechAudio & Videohttps://bitnpc.github.io/en/posts/2025-02-06-deepseek_deploy/https://bitnpc.github.io/en/posts/2025-02-06-deepseek_deploy/Run DeepSeek locally on macOS with Ollama and connect it to VSCode via the Continue extension for AI-assisted coding.Fri, 06 Sep 2024 00:00:00 GMTOllamaDeepseekTechLLMhttps://bitnpc.github.io/en/posts/2024-03-16-matter/https://bitnpc.github.io/en/posts/2024-03-16-matter/A comprehensive introduction to the Matter smart home protocol covering its data model, commissioning flow, comparison to Xiaomi MIoT SPEC, and the new camera support in Matter 1.5.Sat, 16 Mar 2024 00:00:00 GMTSmart HomeIoTMatterTechComputer Networkinghttps://bitnpc.github.io/en/posts/2024-03-13-comfyui_in_macos/https://bitnpc.github.io/en/posts/2024-03-13-comfyui_in_macos/A guide to installing and running ComfyUI on Apple Silicon Mac, including Python setup, PyTorch, dependencies, and troubleshooting.Wed, 13 Mar 2024 00:00:00 GMTLarge Language ModelsStable DiffusionTechLarge Language Modelshttps://bitnpc.github.io/en/posts/2023-10-25-path_with_minimum_effort/https://bitnpc.github.io/en/posts/2023-10-25-path_with_minimum_effort/A walkthrough of LeetCode 1631 (minimax path) using binary search + BFS/DFS, union-find (Kruskal), and adapted Dijkstra.Wed, 25 Oct 2023 00:00:00 GMTleetcodeData Structures & AlgorithmsDFSBFSUnionFindDijkstraBinary SearchTechData Structures & Algorithmshttps://bitnpc.github.io/en/posts/2023-06-06-travel_hongkong/https://bitnpc.github.io/en/posts/2023-06-06-travel_hongkong/A personal travelogue covering transportation, accommodation, payment, communication, attractions, food, and impressions from a Hong Kong trip after winning a round-trip ticket from the "World of Winners" campaign.Wed, 14 Jun 2023 00:00:00 GMTLifeTravelLifeTravelhttps://bitnpc.github.io/en/posts/2023-06-01-app_mach_o/https://bitnpc.github.io/en/posts/2023-06-01-app_mach_o/An app becomes a process when loaded. macOS executables use the Mach-O format with a Header, Load Commands, and Raw Segment Data (__TEXT, __DATA, __LINKEDIT). Fat Binaries bundle multiple architectures.Thu, 01 Jun 2023 00:00:00 GMTmacOSiOSOperating SystemTechiOShttps://bitnpc.github.io/en/posts/2022-05-27-hls_intro/https://bitnpc.github.io/en/posts/2022-05-27-hls_intro/A guide to HTTP Live Streaming (HLS) protocol covering its architecture, file formats (TS and fMP4), playback modes (VOD and live streaming), security with FairPlay, and practical setup using mediastreamsegmenter and ffmpeg.Fri, 27 May 2022 00:00:00 GMTHLSAudio/VideoTechAudio/Videohttps://bitnpc.github.io/en/posts/2022-05-25-ffmpeg_intro/https://bitnpc.github.io/en/posts/2022-05-25-ffmpeg_intro/An introduction to FFmpeg covering installation, command-line syntax, transcoding, stream selection, filtergraphs, and the architecture of its core library modules.Wed, 25 May 2022 00:00:00 GMTFFmpegAudio & VideoTechAudio & Videohttps://bitnpc.github.io/en/posts/2022-03-14-p2p_intro/https://bitnpc.github.io/en/posts/2022-03-14-p2p_intro/An introduction to P2P technology covering NAT types, NAT traversal (hole punching), STUN and TURN servers, and how these enable efficient peer-to-peer live video streaming.Mon, 14 Mar 2022 00:00:00 GMTP2PComputer NetworkTechComputer Networkhttps://bitnpc.github.io/en/posts/2022-06-08-av_into/https://bitnpc.github.io/en/posts/2022-06-08-av_into/Explains how sound and images are digitized into audio and video through sampling, quantization, and encoding, covering audio codecs, YUV color spaces, H.264 byte streams, and FFmpeg usage.Mon, 14 Mar 2022 00:00:00 GMTP2PAudio & VideoTechAudio & Videohttps://bitnpc.github.io/en/posts/2019-08-30-subset_generate/https://bitnpc.github.io/en/posts/2019-08-30-subset_generate/A guide to generating all subsets of a set (power set) using three methods: incremental construction, recursive backtracking, and bit manipulation, with C++ examples for LeetCode 78.Fri, 30 Aug 2019 00:00:00 GMTleetcodealgorithmbrute forceTechData Structures & Algorithmshttps://bitnpc.github.io/en/posts/2019-08-23-binary_search/https://bitnpc.github.io/en/posts/2019-08-23-binary_search/Binary Search locates targets in ordered or monotonic spaces in O(log n) time. Covers templates, rotated arrays, 2D matrices, BSTs, and answer-space search techniques.Fri, 23 Aug 2019 00:00:00 GMTleetcodedata structures and algorithmsbinary searchTechData Structures and Algorithmshttps://bitnpc.github.io/en/posts/2018-11-30-ios_crash_intro/https://bitnpc.github.io/en/posts/2018-11-30-ios_crash_intro/A comprehensive guide to iOS crashes covering their nature as exception control flow, common causes, capture mechanisms, investigation methods, and governance.Wed, 28 Nov 2018 00:00:00 GMTCrashiOSException HandlingTechiOShttps://bitnpc.github.io/en/posts/2014-07-01-macos_dev_config/https://bitnpc.github.io/en/posts/2014-07-01-macos_dev_config/Step-by-step guide to setting up a macOS development environment with Homebrew, shell configuration, language runtimes, Git dual-identity setup, containers, and automated deployment.Tue, 01 Jul 2014 00:00:00 GMTEnvironment SetupmacOSTechmacOS