Official Baidu App Tech Account
This guide explains why raw iOS crash logs are unreadable, introduces dSYM files and DWARF debugging information, shows how to match UUIDs, compute addresses, and use both Xcode and command‑line tools for local symbolication, and describes a scalable online solution for massive crash‑log processing.
This article explores the fundamentals of HTTP cookies within WKWebView, detailing how cookies are stored in memory or disk, the roles of UIProcess, WebContent, and NetworkProcess, and provides code examples for front‑end JavaScript, back‑end headers, and iOS client APIs.
Baidu’s live‑streaming team cut startup latency by dissecting the three‑phase launch process, streamlining business‑logic handling, employing HTTPDNS pre‑resolution, forcing first‑frame rendering, low‑bitrate fallback, pre‑loading kernels, direct H.264 SPS/PPS parsing, and HLS m3u8 pre‑fetching, achieving sub‑3 ms DNS and hundreds‑millisecond overall gains.
This article dissects the WKWebView loading pipeline on iOS, explaining the three WebKit processes, their communication, the step‑by‑step request flow, and the detailed behavior of each WKNavigationDelegate method, providing practical insights for performance tuning and debugging.
The Baidu App’s T7 browser kernel team optimized its HTTPCache and MemoryCache by enabling main‑document and file‑protocol caching, introducing a fixed‑size LRU cleanup, providing custom preload/query APIs, and leveraging NoState Prefetch, which together cut page‑load latency by over 30 % and markedly improve user experience.
The article explains how to design and implement ESLint and StyleLint plugins for the San‑Native framework, detailing AST generation, processor creation, rule definitions for JavaScript and CSS, configuration sharing, and how these tools provide real‑time linting feedback for developers.
This tutorial walks iOS developers through downloading the WebKit source, configuring and compiling it, setting up a debugging project or using the MobileMiniBrowser demo, and analyzing WKWebView’s multi‑process architecture—including UI, WebContent, Network, and Storage processes—to troubleshoot and profile rendering behavior.
This article explains the concept of a virtual tree, why it is needed for rendering massive data sets, and provides a step‑by‑step implementation—including flattening the tree, calculating visible nodes, simulating scroll, and decorating the list—demonstrating a speedup from 26 seconds to 0.19 seconds.
The article thoroughly examines Vue 3’s Composition API, explaining its motivation over the Options API, detailing its function‑based design and TypeScript advantages, addressing concerns about complexity, and offering practical guidance on when and how to adopt it for cleaner, more maintainable component logic.
LiteKit, Baidu’s mobile AI deployment framework built on Paddle Lite, delivers out‑of‑the‑box video super‑resolution, human segmentation and gesture‑recognition SDKs that reduce integration complexity to three simple steps across Objective‑C, Java and C++, achieving real‑time performance (25 FPS) while lowering development effort and platform barriers.
