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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

41 recent articles

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.

APMJava AgentSkyWalking

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.

AOPBackendIOC

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.

@ConfigurationPropertiesAutoConfigurationMaven

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.

ActuatorJavaKubernetes

0 likes · 22 min read

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

CodeSmart Hoops

Jul 24, 2026 · Backend Development

Hands‑On Unit Testing of Spring Boot Actuator Health Checks

This guide walks through setting up Spring Boot 3.x with JDK 17+, adding Actuator and test dependencies, and implementing a comprehensive JUnit 5 test suite that validates health endpoint aggregation, status priority, show‑details configuration, custom endpoints, JVM metrics, endpoint exposure, health groups, and custom HTTP status mapping, with instructions for running the tests via Maven or an IDE.

ActuatorJDK 17JUnit5

0 likes · 17 min read

Hands‑On Unit Testing of Spring Boot Actuator Health Checks

CodeSmart Hoops

Jul 21, 2026 · Backend Development

Hands‑On Unit Tests for Spring Boot Auto‑Configuration (Full Deep Dive)

This article provides a step‑by‑step guide to testing Spring Boot 3.x auto‑configuration with JUnit 5 and ApplicationContextRunner, covering SpringFactoriesLoader loading, conditional annotation filtering, user‑defined bean overrides, exclusion mechanisms, and the new .imports file format, plus Maven and IDE run instructions.

ApplicationContextRunnerAuto-configurationConditionalOnMissingBean

0 likes · 13 min read

Hands‑On Unit Tests for Spring Boot Auto‑Configuration (Full Deep Dive)

CodeSmart Hoops

Jul 19, 2026 · Interview Experience

Test Your Grafana Knowledge: 8 Interview Questions with Answers

This article provides a comprehensive Grafana guide covering core concepts, dashboard design principles, panel types, variable templating, alerting strategies, provisioning as code, high‑availability setup, and a multi‑region monitoring screen design, each illustrated with concrete examples and configuration snippets.

Alertingdashboardgrafana

0 likes · 26 min read

Test Your Grafana Knowledge: 8 Interview Questions with Answers

CodeSmart Hoops

Jul 10, 2026 · Cloud Native

Prometheus Deep Dive: The De Facto Standard for Cloud‑Native Monitoring

The article walks through a real‑world migration from Zabbix to Prometheus, explaining its pull‑based design, metric model, PromQL language, service discovery options, remote storage choices, alerting with Alertmanager, and a complete Spring Boot integration, while highlighting best‑practice recommendations and common pitfalls.

AlertmanagerPromQLThanos

0 likes · 34 min read

Prometheus Deep Dive: The De Facto Standard for Cloud‑Native Monitoring

CodeSmart Hoops

Jun 29, 2026 · Fundamentals

Essential Git Commands Cheat Sheet for Every Scenario

This comprehensive Git manual walks you through initialization, daily workflow, branch management, remote operations, tag handling, undo/recovery, stash usage, advanced features like LFS and submodules, collaboration workflows, performance tuning, common pitfalls, shortcut aliases, core principles, and recommended version upgrades, providing concrete commands, examples, and best‑practice guidelines.

Best PracticesGitVersion Control

0 likes · 21 min read

Essential Git Commands Cheat Sheet for Every Scenario

CodeSmart Hoops

Jun 22, 2026 · Backend Development

MyBatis-Plus Interview Self-Test: Full Core Analysis and Pitfall Checklist

This article presents a comprehensive interview self‑test for MyBatis‑Plus, covering its relationship with MyBatis, BaseMapper CRUD implementation, SqlMethod and AbstractMethod roles, MapperProxy interception, LambdaQueryWrapper type safety, Wrapper condition handling, interceptor chain, pagination mechanisms, logical delete rewriting, MetaObjectHandler fill timing, thread‑safety pitfalls, and best‑practice recommendations.

BaseMapperInterceptorLambdaQueryWrapper

0 likes · 22 min read

MyBatis-Plus Interview Self-Test: Full Core Analysis and Pitfall Checklist