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samdeepthink
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samdeepthink

Knowledge Planet: Old Dock's Tech Chronicles Zhihu: SamDeepThinking A technical manager who still codes heavily on the front line. From junior developer to tech lead, then tech manager, now leading the whole front‑ and back‑end development team—leveling up along the way. I have some insights on programming, career development, and tech management.

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Recent Articles

Latest from samdeepthink

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samdeepthink
samdeepthink
Jul 23, 2026 · Backend Development

Enterprise-Scale Source Code for 4 Real-World Projects: Flash Sale, Product Catalog, Payment System, and DDD Implementation

The author releases the complete, production‑ready source code for four enterprise‑level projects—a flash‑sale service handling 60 million members, a high‑concurrency product system for hundreds of millions of users, a payment platform serving over a hundred million users, and a three‑year DDD migration case study—while the fifth column remains under development.

DDDHigh ConcurrencyPayment Integration
0 likes · 5 min read
Enterprise-Scale Source Code for 4 Real-World Projects: Flash Sale, Product Catalog, Payment System, and DDD Implementation
samdeepthink
samdeepthink
Jul 23, 2026 · Fundamentals

Why Pinyin Naming Beats Forced English Translations in Code

The article argues that using full‑pinyin identifiers for Chinese platform names and domain concepts improves code readability, searchability, and consistency, especially when no standard English term exists, and it illustrates the point with concrete naming examples and snippets.

Chinese platformsSoftware Engineeringcode readability
0 likes · 4 min read
Why Pinyin Naming Beats Forced English Translations in Code
samdeepthink
samdeepthink
Jul 23, 2026 · Fundamentals

Why Stability Comes First and Clarity Second in Programming

The author argues that in real‑world software development the two paramount principles are system stability—ensured through architecture, degradation, alerts, testing, etc.—and code clarity, achieved via encapsulation, composition, separation of concerns, and controlled complexity, because they keep IT teams alive and code maintainable.

Best PracticesSoftware Engineeringarchitecture
0 likes · 4 min read
Why Stability Comes First and Clarity Second in Programming
samdeepthink
samdeepthink
Jul 22, 2026 · Backend Development

Why You Should Minimize Local Cache Usage

The article argues that local caches add significant consistency and management complexity, so they should be avoided unless a genuine performance bottleneck exists, illustrating the point with real‑world promotion spikes, GC concerns, and careful off‑heap testing.

GCRediscaching
0 likes · 4 min read
Why You Should Minimize Local Cache Usage
samdeepthink
samdeepthink
Jul 22, 2026 · Fundamentals

How Programmers Name Boolean Variables: Common Prefixes, Pitfalls, and Best Practices

Using clear prefixes like is, has, can, and should for boolean variables improves code readability, while pitfalls such as mixed prefixes, negative naming, vague names like flag, and boolean traps in method parameters can cause confusion; the article offers concrete examples and practical refactoring strategies.

Best PracticesSoftware Engineeringboolean naming
0 likes · 8 min read
How Programmers Name Boolean Variables: Common Prefixes, Pitfalls, and Best Practices
samdeepthink
samdeepthink
Jul 21, 2026 · R&D Management

How to Delegate Effectively Without Losing Control

The article outlines a practical framework for managers to balance delegation and oversight by confirming direction up front, monitoring risks during execution, and avoiding micromanagement, while adapting communication frequency to project urgency and team maturity.

Management Practicesdelegationrisk management
0 likes · 6 min read
How to Delegate Effectively Without Losing Control
samdeepthink
samdeepthink
Jul 20, 2026 · Fundamentals

Good Architecture Means Cutting Components, Not Adding More

The article argues that seasoned developers improve system architecture by removing unnecessary components—such as redundant Redis caches or message queues—rather than continuously adding new ones, because each addition raises complexity and maintenance overhead, while simpler designs are easier to manage and evolve.

RedisSoftware ArchitectureSpring
0 likes · 3 min read
Good Architecture Means Cutting Components, Not Adding More
samdeepthink
samdeepthink
Jul 20, 2026 · Fundamentals

What Defines Excellent Software Design? Ensuring Stability Through Early Non‑Functional Planning

The article argues that excellent software design requires anticipating non‑functional issues—such as sudden database load, traffic spikes, or third‑party timeouts—by implementing retries, degradation, monitoring, and boundary checks early in the design phase, and by isolating core modules, exemplified by a micro‑service per payment channel architecture.

System Reliabilitycore module protectionmicroservices
0 likes · 4 min read
What Defines Excellent Software Design? Ensuring Stability Through Early Non‑Functional Planning