Devuly | Smart Analytics for Developers & Projects

This project is a prompt case library and open-source repository built around GPT Image 2. Its core value lies in centralizing high-quality prompts, result images, and template structures that would otherwise remain scattered across different sources. It solves three common problems: images without prompts, prompts that cannot be reused, and repeated scenarios that lack templates. … Read more

A comprehensive MySQL tuning guide for backend engineers and DBAs, focused on five core layers: hardware, configuration, architecture, SQL, and locking. It addresses common pain points such as slow queries, limited throughput, replication lag, and deadlock diagnosis. Keywords: MySQL performance tuning, SQL optimization, primary-replica replication. The technical specification snapshot provides a quick overview Parameter Description … Read more

This article focuses on ManimCE’s multi-animation synchronization model. It explains how to coordinate movement, color changes, rotation, and other actions on the same timeline, helping you solve common problems such as unsynchronized animations, hard-to-control pacing, and disorganized animation logic. Keywords: ManimCE, multi-animation synchronization, rate_func. Technical Snapshot Parameter Description Core topic Running multiple animations simultaneously in … Read more

This article breaks down a ReAct-based agent example: by combining a unified tool interface, LLM response parsing, and a loop execution mechanism, the model gains a Think → Act → Observe workflow that addresses the real-time and accuracy limitations of standalone large language models. Keywords: ReAct, Agent, Tool Calling. The technical specification snapshot is straightforward … Read more

This is a data collection mini program built with Taro, React, and TypeScript. Its core capabilities include image capture, local storage, and data management. It addresses common issues in native mini program development, such as fragmented architecture, poor cross-platform reuse, and the lack of engineering depth in interview projects. Keywords: Taro, React, Mini Program. Technical … Read more

This article focuses on the core mechanisms of TCP and UDP at the transport layer. It explains how TCP achieves reliable delivery through the three-way handshake, four-way termination, sequence numbers, ACKs, retransmission, and window control, and also covers high-frequency topics such as SYN attacks, TIME_WAIT, and QUIC. Keywords: TCP handshake, four-way termination, reliable transport. Technical … Read more

GPT-image-2 is a state-of-the-art image generation model built for high-quality visual creation. Its core strengths include stable Chinese text rendering, strong understanding of complex scenes, and fast generation speed. It addresses common pain points such as garbled poster text, distorted UI details, and poor style consistency. Keywords: GPT-image-2, AI image generation, Chinese typography. The technical … Read more

HarmonyOS 6.0 introduces a smooth shutdown mechanism for AVCodec Kit video decoders: before Stop or Destroy, the decoder outputs a blank black frame to the Surface, eliminating last-frame residue, flicker, and abrupt transitions. Keywords: HarmonyOS 6.0, AVCodec Kit, video decoding. The technical specification snapshot summarizes the feature at a glance Parameter Description Platform HarmonyOS 6.0+ … Read more

Arthas MCP Server standardizes Java production diagnostics as MCP tool interfaces, allowing AI to directly invoke commands such as dashboard, thread, trace, and watch to investigate CPU spikes, slow endpoints, deadlocks, and memory issues. It addresses the steep learning curve of Arthas commands and reduces reliance on engineer experience during incident response. Keywords: Arthas, MCP, … Read more

This article provides a systematic explanation of the most common embedded communication protocols—UART, RS232, RS485, I2C, and SPI. It covers wiring methods, timing rules, electrical characteristics, and typical applications to solve common pain points such as protocol confusion, difficult interface selection, and inefficient debugging. Keywords: embedded communication, I2C, SPI. Technical Specification Snapshot Parameter Details Domain … Read more