Focusing on Java backend development, covering application architecture from top-tier internet companies (high availability, high performance, high stability), big data, machine learning, Java architecture, and other popular fields.
The open‑source Feishu CLI surged to over 10,000 GitHub stars within 47 days, outpacing rival office‑platform CLIs, thanks to its three‑layer command architecture, built‑in Skill system, and seamless integration with AI agents that can automate full‑cycle office workflows.
The article presents a detailed 2026 salary‑range breakdown for major Chinese internet firms, highlighting that most staff fall into the 20‑30K and 30‑50K brackets, while high‑pay (50K+) and low‑pay (6‑10K) segments are comparatively sparse.
The article walks through a systematic approach to identify why a slow MySQL query can cause CPU usage to soar, covering observability, analysis with SHOW PROCESSLIST and EXPLAIN, and practical mitigation steps suitable for interview discussions.
Alibaba’s Java Development Manual mandates that any SQL involving more than three tables must be avoided, a rule that stems from the exponential cost of multi‑table joins in a single‑instance database, prompting engineers to rethink data modeling, adopt denormalization, wide tables, materialized views, CQRS or application‑level assembly instead of relying on complex joins.
WeKnora, Tencent's newly open‑source framework built on the IMA kernel, combines LLM and RAG to parse unstructured PDFs, Word files and scans with over 300% speed improvement and 89% top‑10 retrieval precision, offering modular deployment, secure private‑cloud options, and seamless integration with vector databases and the WeChat ecosystem.
JetBrains IDEs from version 2025.3 embed the Codex AI assistant powered by GPT‑5.4, offering faster, context‑aware code generation, project analysis, environment setup, and refactoring, with real‑world demos showing how it can download projects, configure tools, and even build a full mini‑program with minimal manual coding.
The article dissects every stage of a production‑grade Retrieval‑Augmented Generation pipeline—from document parsing and chunking, through embedding selection and vector indexing, to query rewriting, multi‑retrieval fusion, re‑ranking, context optimization, hallucination control, evaluation metrics, and the decision between RAG and fine‑tuning—showing why each link is a critical engineering challenge.
The article analyzes recent rumors that Baidu's e‑commerce division is mandating front‑end and back‑end developers to pair up and become full‑stack engineers within months, arguing that the move is a cost‑cutting strategy that reshapes job requirements, accelerates layoffs, and reflects broader pressures on tech talent in China.
A concise, one‑minute overview warns programmers about four Chinese provincial capitals—Zhengzhou, Jinan, Shijiazhuang, and Shenyang—highlighting limited high‑pay opportunities, prevalence of low‑skill outsourcing, and potential career setbacks for those who overlook these market realities.
JetBrains' IntelliJ IDEA 2026.1 release transforms the traditional IDE into an open AI‑agent platform, adding built‑in support for multiple AI assistants, unlimited smart assistance, new language features, enhanced productivity tools, and a strategic shift away from legacy collaboration features.
