Formerly called 'Code to 35'. Add our main WeChat ID to access a wealth of shared resources (algorithms, interview prep, tech stacks: Java, Python, Go, big data). We mainly share serious development techniques, focusing on output-driven input. Occasionally we post life snippets and gossip. Our aim is to attract precise traffic and test advertising opportunities.
A tragic colleague’s death highlights how tech firms treat developers as expendable assets, prompting a reflective look at burnout, the limited career paths after coding, and the search for meaning beyond endless code commits and relentless group‑chat demands.
The securities sector relies heavily on a handful of specialized fintech firms for core infrastructure such as trading systems, market terminals, quantitative platforms, and risk‑control engines, and this article profiles ten leading companies, detailing their founding dates, employee counts, core domains, and programmer‑focused considerations.
This article reviews the ten largest software outsourcing firms in China, detailing their founding years, employee counts, public listings, key technologies, service domains, and programmer‑focused pros and cons, while emphasizing that outsourcing can offer stable projects, big‑client exposure, and career stepping stones.
The article explains the YAGNI principle, showing how focusing on current requirements, using simple solutions, and refactoring when real needs arise can prevent over‑engineering, reduce technical debt, and keep Java code clean and adaptable.
The article clarifies that the DRY principle targets hidden knowledge duplication rather than superficial code similarity, explains why over‑abstraction can be harmful, and provides concrete Java examples of both violations and correct applications, while also discussing how to balance DRY with YAGNI.
This article ranks the 30 most popular Java open‑source projects in 2025, summarizing their stars, activity and core features while highlighting ecosystem trends such as AI integration, low‑code acceleration, cloud‑native maturity, domestic adoption and the evolution of microservice governance.
The article ranks major Chinese internet companies into four tiers based on work‑life balance, using community and Maimai comments to show that firms like Tencent and NetEase allow timely off‑hours, while others such as ByteDance, Pinduoduo and Huawei demand extreme overtime and high pressure.
The article explains the core functions of Java’s Collectors, reveals their underlying implementation, and demonstrates how custom Collectors can handle complex aggregation scenarios—such as multi‑metric calculations, stateful reductions, and performance‑critical tasks—using a single‑pass, parallel‑compatible approach, while comparing against standard groupingBy compositions.
The article explains why graceful shutdown is essential for high‑availability microservices, details the shortcomings of Spring Boot versions before 2.3, and walks through the native shutdown mechanism introduced in 2.3 together with configuration examples, code snippets, and production‑grade recommendations.
This article answers ten Spring Boot interview questions, covering why @Configuration classes are CGLIB‑proxied, common startup‑time bottlenecks and diagnostics, graceful shutdown mechanics, execution timing of ApplicationContextInitializer vs ApplicationRunner, circular‑dependency handling, health‑endpoint aggregation, distributed‑transaction strategies, Kubernetes probes, JSON serialization safeguards, and migration challenges to Jakarta EE 9+.
