Regularly sharing the team's insights and expertise in the frontend field
This article explains the fundamentals of device communication, from simple LAN setups using hubs and switches to internet protocols like HTTP, then guides the design of custom communication protocols, illustrates JSON‑RPC over sockets, and explores CAN bus specifics, offering practical code examples and architectural diagrams.
This article explains how to protect confidential business documents by implementing page‑level watermarks using canvas and pseudo‑elements, and how to add robust watermarks to images via OSS parameters or client‑side canvas processing, while preventing removal through MutationObserver.
This article explains how Webpack’s plugin system relies on the Tapable library, covering its basic usage, the nine built‑in hook types, advanced features like interceptors and HookMap, and the internal code‑generation mechanism that makes Webpack’s event handling both flexible and high‑performance.
This article walks through the evolution of thermal printer solutions—from basic driver printing to command‑based and image‑based approaches—detailing hardware principles, Electron architecture, USB communication, Rust‑based monitoring, and practical code snippets for reliable store‑level receipt printing.
This article explains why reliable rollback is essential, compares traditional and modern deployment methods, and details how containerized releases, OSS-based publishing, and mini‑program rollbacks can improve speed, consistency, and stability for development teams.
This article walks readers through Git’s internal architecture, explaining the .git directory layout, object storage, staging area, and how low‑level commands like git hash-object, write‑tree, and commit‑tree build commits and branches.
An in‑depth look at Webpack’s evolution from its 2012 debut to the modern version 5, covering each major release, core concepts like loaders, plugins, tree shaking, module federation, and code‑splitting, plus a practical code example and analysis of its bundled output.
This article details the design and implementation of a customizable electronic menu system that evolved from static images to an H5‑based, SVG‑driven, React-powered solution, covering business requirements, technology selection, data binding, rendering, store isolation, and offline stability.
This article explains the fundamentals of Remote Procedure Call (RPC), explores how data moves across OSI layers, compares HTTP and RPC, and provides a complete Node.js JSON‑RPC example with code, error handling, and real‑world use cases such as Chrome DevTools Protocol.
This article explains WebSocket fundamentals, including its definition, handshake process, data frame structure, binary handling, stream usage, networking details like MTU/MSS, and practical Node.js examples, providing a comprehensive guide for real‑time web communication.
