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Lobster Programming

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Latest from Lobster Programming

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Lobster Programming

Dec 8, 2025 · Backend Development

How Netflix Ribbon Implements Client‑Side Load Balancing in Java

This article explains Netflix's open‑source Ribbon client‑side load balancer, detailing how it intercepts @LoadBalanced RestTemplate calls, resolves service names to IPs using various algorithms, and forwards requests via HttpClient, while highlighting its key features such as in‑process balancing, multiple strategies, fault‑tolerance, and protocol support.

JavaRestTemplateRibbon

0 likes · 4 min read

How Netflix Ribbon Implements Client‑Side Load Balancing in Java

Lobster Programming

Dec 8, 2025 · Backend Development

Preventing Duplicate Orders: Front‑End Intercept and Redis Idempotency Strategies

This article explains why duplicate order requests occur, analyzes the idempotency challenges, and presents practical front‑end and Redis‑based solutions—including button disabling, SETNX locking, and token validation—to ensure only one successful order per user action.

RedisTokenduplicate order

0 likes · 6 min read

Preventing Duplicate Orders: Front‑End Intercept and Redis Idempotency Strategies

Lobster Programming

Dec 1, 2025 · Information Security

How Access and Refresh Tokens Work Together to Boost User Experience and Security

This article explains the roles of access and refresh tokens, their lifecycle, and the step‑by‑step process by which a client obtains, uses, and renews tokens to maintain seamless authentication while enhancing security.

SecurityUser Experienceaccess token

0 likes · 5 min read

How Access and Refresh Tokens Work Together to Boost User Experience and Security

Lobster Programming

Nov 14, 2025 · Fundamentals

Master Git Cherry-Pick: Precise Code Transfer Techniques & Tips

This guide explains the principle behind Git’s cherry-pick command, shows how to locate commit hashes, switch branches, execute the command, and highlights common scenarios such as urgent bug fixes, feature migration, and commit recovery, plus advanced options and cautions.

cherry-pickcode transfer

0 likes · 6 min read

Master Git Cherry-Pick: Precise Code Transfer Techniques & Tips

Lobster Programming

Nov 10, 2025 · Backend Development

Ensuring Cache Consistency in High‑Concurrency Systems: Multi‑Level Strategies with Redis

This article explains why a single Redis shard cannot handle extreme traffic, introduces multi‑level caching, and compares four practical methods—MQ synchronization, Redis Pub/Sub, version‑check, and automatic refresh—to keep local caches consistent under heavy load.

MQRedisbackend

0 likes · 6 min read

Ensuring Cache Consistency in High‑Concurrency Systems: Multi‑Level Strategies with Redis

Lobster Programming

Nov 10, 2025 · Backend Development

When to Use @Resource vs @Autowired in Spring: Key Differences Explained

This article compares @Resource and @Autowired in the Spring framework, covering their origins, injection order, supported injection styles, and ideal usage scenarios to help developers choose the right annotation for loosely coupled, maintainable applications.

Backend DevelopmentDependency InjectionJava EE

0 likes · 2 min read

When to Use @Resource vs @Autowired in Spring: Key Differences Explained

Lobster Programming

Nov 3, 2025 · Fundamentals

The Rise and Fall of Mid‑Platform Architecture: What Modern Enterprises Can Learn

Mid‑platform (中台) architecture, inspired by Supercell’s rapid‑development model and popularized by Alibaba in 2015, evolved from a flexible business‑centric approach to a complex, sometimes cumbersome structure, offering reusable services but also introducing blurred responsibilities and scalability challenges for fast‑changing enterprises.

Enterprise ITbusiness integrationmid‑platform

0 likes · 7 min read

The Rise and Fall of Mid‑Platform Architecture: What Modern Enterprises Can Learn

Lobster Programming

Nov 3, 2025 · Fundamentals

Serial vs Concurrent vs Parallel: Which Model Boosts Your Program’s Performance?

Serial execution runs tasks one after another, concurrency interleaves multiple tasks to appear simultaneous, and parallelism truly runs tasks at the same time on multiple cores, each offering distinct advantages and trade‑offs that affect efficiency, responsiveness, and programming complexity.

CPUParallelismSerial

0 likes · 2 min read

Serial vs Concurrent vs Parallel: Which Model Boosts Your Program’s Performance?

Lobster Programming

Oct 27, 2025 · Backend Development

Why Full GC Happens Frequently and How to Prevent It in Java Applications

The article explains common scenarios that trigger frequent Full GC in Java, such as large object allocation, service timeouts, memory leaks, and old‑generation fragmentation, and offers insights on diagnosing and mitigating these issues to maintain application performance.

Full GCJVMJava

0 likes · 8 min read

Why Full GC Happens Frequently and How to Prevent It in Java Applications

Lobster Programming

Oct 9, 2025 · Backend Development

Why 12306 Shows Seats Yet Blocks Purchase: Inside Its Complex Inventory Logic

During peak travel periods, 12306 often displays available seats that cannot be booked, a problem caused by intricate inventory deduction across multiple travel segments, heavy caching strategies, and real‑time load pressures that lead to stale data and purchase failures.

Cachingbackend architectureconcurrency

0 likes · 6 min read

Why 12306 Shows Seats Yet Blocks Purchase: Inside Its Complex Inventory Logic