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CodeSmart Hoops

A working programmer who loves coding and basketball. By day I debug code; by night I dissect tactics. I write articles to document my journey, focusing on Java, AI, Python and other programming topics, with occasional posts about basketball, English, and books. Hope it's helpful—thanks for following and support.

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Latest from CodeSmart Hoops

27 recent articles

CodeSmart Hoops

Aug 30, 2026 · Backend Development

Classic gRPC Interview Questions with Answers – Must‑Save for Your Prep

This article presents eight self‑test gRPC interview questions covering performance, contract, cross‑language support, streaming, HTTP/2 fundamentals, Protobuf field tags, call patterns, retryable status codes, load‑balancing policies, interceptor usage, and Spring Boot 3 integration, each accompanied by concise reference answers.

HTTP/2InterceptorsJava

0 likes · 23 min read

Classic gRPC Interview Questions with Answers – Must‑Save for Your Prep

CodeSmart Hoops

Aug 29, 2026 · Operations

Chinese Website ICP Registration Explained: 10 Interview Questions & Answers

This article provides a comprehensive Q&A guide on China’s ICP registration system, covering the differences between ICP filing and ICP licensing, the regulatory history, management authorities, personal versus enterprise filing, step‑by‑step filing procedures, sub‑domain rules, overseas server considerations, change handling, common rejection causes, and migration between cloud providers.

Chinese internet regulationsICP filingcloud migration

0 likes · 15 min read

Chinese Website ICP Registration Explained: 10 Interview Questions & Answers

CodeSmart Hoops

Aug 27, 2026 · Backend Development

Deep Dive into gRPC: Load Balancing, Service Discovery, and Pitfall Guide

This article provides a comprehensive analysis of gRPC, covering core concepts, HTTP/2 and Protobuf fundamentals, four call patterns, interceptors, error handling, load‑balancing strategies, service discovery mechanisms, circuit‑breaking and rate‑limiting, security layers, and a complete Spring Boot 3 + JDK 21 runnable example with a detailed best‑practice checklist.

Circuit BreakingHTTP/2Java

0 likes · 33 min read

Deep Dive into gRPC: Load Balancing, Service Discovery, and Pitfall Guide

CodeSmart Hoops

Aug 21, 2026 · Information Security

Interview Self‑Test: Multi‑Layer Anti‑Sniffing and Data‑Security Strategies

This article presents ten interview‑style questions and detailed answers covering HTTPS handshake, certificate pinning, request signing, replay‑attack defenses, HMAC‑SHA256 vs RSA‑SHA256, AES‑CBC vs AES‑GCM, the limits of front‑end encryption, mTLS operation in micro‑services, key‑rotation design, and why HTTPS alone is insufficient, illustrating a comprehensive, layered security approach.

AES-GCMCertificate PinningHMAC

0 likes · 21 min read

Interview Self‑Test: Multi‑Layer Anti‑Sniffing and Data‑Security Strategies

CodeSmart Hoops

Aug 16, 2026 · Interview Experience

Elasticsearch Interview Self-Test: 8 ELK Questions & Answers Explained

This guide provides eight comprehensive Elasticsearch interview questions covering inverted indexes, shard sizing, ILM lifecycle, dynamic templates, processing pipelines, query DSL, scaling strategies, and high‑availability deployment, each accompanied by detailed answers, code examples, and best‑practice recommendations for ELK stack professionals.

ELKElasticSearchFilebeat

0 likes · 25 min read

Elasticsearch Interview Self-Test: 8 ELK Questions & Answers Explained

CodeSmart Hoops

Aug 11, 2026 · Operations

Scaling ELK from 1 GB to 1 TB Daily Logs: Full‑Stack Observability Guide

This comprehensive ELK tutorial walks through the journey of a company whose log volume grew from 1 GB to 1 TB per day, detailing the root causes of cluster failures and providing step‑by‑step guidance on index design, ILM policies, shard sizing, ingest pipelines, query optimization, high‑availability architecture, capacity planning, and security best practices.

ELKElasticSearchILM

0 likes · 35 min read

Scaling ELK from 1 GB to 1 TB Daily Logs: Full‑Stack Observability Guide

CodeSmart Hoops

Aug 10, 2026 · Operations

How SkyWalking Instantly Reveals Service Topology and DB Bottlenecks: A Deep Dive into APM and Distributed Tracing

This article walks through a real‑world microservice latency incident, then explains how SkyWalking’s Java agent provides zero‑intrusion tracing, automatically builds service topology, offers built‑in alerting and profiling, and compares storage options and deployment patterns for production observability.

APMDistributed TracingJava Agent

0 likes · 29 min read

How SkyWalking Instantly Reveals Service Topology and DB Bottlenecks: A Deep Dive into APM and Distributed Tracing

CodeSmart Hoops

Aug 6, 2026 · Backend Development

Spring Container Full-Stack Walkthrough: 12 Interview Questions & Answers

This article provides a comprehensive Spring container walkthrough covering the full lifecycle—from bean definition scanning and proxy creation during startup to request handling, AOP interception, transaction and caching mechanisms—plus detailed answers to 12 common interview questions with code examples and best‑practice recommendations.

AOPBackendJPA

0 likes · 21 min read

Spring Container Full-Stack Walkthrough: 12 Interview Questions & Answers

CodeSmart Hoops

Jul 27, 2026 · Backend Development

Master Spring Boot Starters: In‑Depth Analysis, Interview Self‑Test, and Real‑World Examples

This article presents a comprehensive interview self‑test checklist for Spring Boot Starters, offering detailed reference answers that explain the distinction between Starters and AutoConfiguration, Maven transitive dependencies, registration files for Spring Boot 3.x, the inner workings of @ConfigurationProperties and Binder, changes to relaxed binding, essential annotations, naming conventions, exclusion techniques, the impact of excessive Starters, the design rationale behind separating dependency description from auto‑configuration, conditional property semantics, and the differences between ApplicationContextRunner and @SpringBootTest for testing auto‑configuration.

Spring BootSpring Boot 3autoconfiguration

0 likes · 23 min read

Master Spring Boot Starters: In‑Depth Analysis, Interview Self‑Test, and Real‑World Examples

CodeSmart Hoops

Jul 25, 2026 · Backend Development

Interview Self‑Test: Spring Boot Actuator Health Checks – Quick Review & Must‑Know Answers

This article provides a comprehensive interview self‑test covering Spring Boot Actuator’s built‑in endpoints, health‑check JSON format, status aggregation logic, custom HealthIndicator implementation, show‑details configuration, @Endpoint operation annotations, liveness vs. readiness probes, handling of DOWN status, disabling auto‑configured indicators, security risks of exposing all endpoints, HealthIndicatorRegistry naming rules, additional Actuator endpoints, CompositeHealth construction, and custom HealthStatusHttpMapper mapping.

ActuatorHealth CheckJava

0 likes · 22 min read

Interview Self‑Test: Spring Boot Actuator Health Checks – Quick Review & Must‑Know Answers