The Xueersi Online School Tech Team, dedicated to innovating and promoting internet education technology.
This article explains why HTTP is insecure, demonstrates a plain‑text attack using Wireshark, and then details the encryption types, certificate issuance, digital signatures, and the combined asymmetric‑symmetric handshake that make HTTPS a secure protocol for web communication.
This article explains how Vue.js implements its reactivity system using the observer pattern, detailing the roles of Dep and Watcher classes, the observe function, Object.defineProperty handling for objects and arrays, and providing annotated code examples to illustrate the complete dependency‑collection workflow.
This article explains the concept, black‑box and white‑box approaches, and the end‑to‑end technical solution of traffic replay testing for microservice back‑ends, detailing recording and playback processes, a Kubernetes‑based distributed execution platform, result calibration, and future enhancements.
This article explains the fundamentals of Swoole coroutines, how they differ from threads and processes, the relationship between coroutines and asynchronous I/O, and provides practical code examples for timers, tasks, and concurrent DNS queries to help PHP developers write efficient, non‑blocking backend applications.
This article explains how Go's runtime initializes, allocates, expands, and shrinks goroutine stack memory, detailing the underlying heap structures, global pools, platform‑specific constants, and the code paths that handle stack growth and reclamation.
This article details a comprehensive Android app slimming initiative that reduces package size from 144 MB to 70 MB by separating large resources into offline attachment zip files, implementing an automated download framework, achieving seamless resource replacement, and eliminating heavy Unity 3D components while addressing numerous technical challenges.
This article provides a detailed walkthrough of Vue.js’s internal vm._update method, its reliance on the core __patch__ function, and the surrounding lifecycle mechanisms, illustrating each step with source code excerpts and diagrams to clarify how virtual DOM nodes are transformed into real DOM elements.
This article explains how to analyze and reduce the size of iOS .ipa packages by classifying resources, using LSUnusedResources to identify unused files, isolating business‑line assets via podspec subspecs, and automating image compression with tools like ImageOptim, TinyPNG and pre‑commit Git hooks.
This article presents a complete iOS app slimming strategy that combines official App Thinning techniques, detailed build‑time optimizations, file‑type specific reductions, and a git‑hook based resource compression workflow, demonstrating a reduction from 154.7 MB to 90 MB in a real project.
This article explains step by step how Vue.js converts a .vue component file into a virtual DOM node by using Vue.extend, createComponent, installComponentHooks, and the VNode constructor, illustrated with real source code snippets and detailed commentary.
