Juejin, a tech community that helps developers grow.
This article explains how improper use of ThreadLocal in Java can lead to memory leaks and OutOfMemoryError, outlines common scenarios that trigger OOM, and provides best‑practice solutions such as proper removal and alternative ThreadLocal types.
Discover how to create a powerful, all‑in‑one Canvas toolkit that includes high‑performance edge detection, Web‑Worker‑accelerated video frame capture, particle‑based fade‑out effects, and a feature‑rich online drawing board, complete with undo/redo, layer management, and GPU‑smooth zoom and drag.
After eight years of using Git, the author explains why the command-line interface outperforms graphical tools in speed, capability, and fostering a deeper grasp of Git’s inner workings, sharing practical tips, aliases, and advanced commands that unlock the full power of version control.
This article explains why a Java application using the Kingbase JDBC driver may encounter SocketTimeoutException during reads, analyzes the underlying socket timeout settings in both the driver and Druid connection pool, and provides a step‑by‑step solution to correctly configure timeouts and avoid repeated failures.
Discover how using the AbortController API to manage event listeners can eliminate memory leaks, simplify cleanup code, and improve maintainability across vanilla JavaScript, drag‑and‑drop, and React projects, replacing the cumbersome removeEventListener pattern with a single abort call.
This comprehensive tutorial explains front‑end Single Sign‑On (SSO) concepts, covering cookie‑based, token‑based (JWT), and OAuth 2.0 implementations with detailed React code, session checking, token refresh, API interception, cross‑origin solutions, and security best practices.
This article walks through the evolution of a payment API’s idempotency design—from an initially flawed implementation, through naive Redis deduplication and token‑based approaches, to a robust solution that combines distributed locks, double‑checked caching, and state management for reliable, concurrent processing.
This article walks through designing and implementing an AI code review tool using Node.js, GitLab webhooks, and large language models, covering prompt engineering, diff augmentation, token management, response parsing, and automated comment posting to streamline the review process.
This article walks through the step‑by‑step process of integrating the @jsquash/jpeg WebAssembly JPEG codec into a WeChat mini program, detailing three major challenges—module import, import.meta usage, and WebAssembly initialization—and the practical fixes that enable local image compression.
This article provides a comprehensive guide to using Kotlin, Jetpack Compose, and Multiplatform for desktop applications, covering project setup, shared code structure, platform-specific implementations, UI layout, resource handling, dependency configuration, and detailed packaging options for Windows, macOS, and Linux.
