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178 articles · Page 1 of 2
Java Tech Workshop
Java Tech Workshop
Jun 25, 2026 · Backend Development

Mastering Spring AOP Pointcut Expressions: Precise execution and @annotation Matching Techniques

This article explains why many Spring AOP pointcuts fail, clarifies the execution and @annotation expressions, details wildcard usage, presents dozens of concrete pointcut examples, compares their granularity and performance, and offers best‑practice tips to avoid common pitfalls in real‑world Java projects.

AnnotationJavaPointcut
0 likes · 15 min read
Mastering Spring AOP Pointcut Expressions: Precise execution and @annotation Matching Techniques
Machine Heart
Machine Heart
May 8, 2026 · Artificial Intelligence

How an 8B Video‑Language Model Beats GPT‑5 and Gemini‑3.1‑Pro at Cinematic Understanding

The CHAI framework introduced by CMU and Harvard defines a structured video‑language annotation scheme, scalable human‑AI oversight, and a post‑training pipeline that enables an 8B open‑source model to outperform closed‑source GPT‑5 and Gemini‑3.1‑Pro on professional cinematic techniques.

AnnotationMultimodal AIQwen3-VL
0 likes · 11 min read
How an 8B Video‑Language Model Beats GPT‑5 and Gemini‑3.1‑Pro at Cinematic Understanding
James' Growth Diary
James' Growth Diary
Apr 25, 2026 · Artificial Intelligence

Deep Dive into LangGraph State Management: How Reducer, Annotation, and Channel Relate

LangGraph’s state management hinges on three core concepts—Channel as the storage unit, Annotation as the declarative API for Channels, and Reducer as the pure function that merges updates—understanding their interactions resolves common bugs, enables custom state schemas, and ensures correct concurrent node updates.

AnnotationChannelLangGraph
0 likes · 14 min read
Deep Dive into LangGraph State Management: How Reducer, Annotation, and Channel Relate
Java Tech Workshop
Java Tech Workshop
Apr 24, 2026 · Backend Development

SpringBoot Sensitive Data Desensitization via Jackson Serialization (Zero‑Intrusion, High‑Performance)

This article explains how to protect user privacy in SpringBoot applications by masking sensitive fields such as phone numbers, ID cards, emails, bank cards, names, and addresses during JSON serialization using a custom Jackson serializer and annotation, offering a zero‑intrusion, high‑performance solution compared to other approaches.

AnnotationJavabackend
0 likes · 16 min read
SpringBoot Sensitive Data Desensitization via Jackson Serialization (Zero‑Intrusion, High‑Performance)
IoT Full-Stack Technology
IoT Full-Stack Technology
Apr 24, 2026 · Backend Development

One Annotation Eliminates Redundant ID‑to‑Name, Dictionary, and Enum Translations in SpringBoot

Easy‑Trans is a SpringBoot starter that provides five translation modes—simple ID‑to‑name, dictionary code‑to‑text, enum mapping, RPC cross‑service, and custom data source—allowing developers to replace repetitive lookup code with a single @Trans annotation, optionally enabled with caching for high performance.

AnnotationData TranslationEasy-Trans
0 likes · 6 min read
One Annotation Eliminates Redundant ID‑to‑Name, Dictionary, and Enum Translations in SpringBoot
IoT Full-Stack Technology
IoT Full-Stack Technology
Apr 24, 2026 · Backend Development

Simplify SpringBoot ID, Enum, and Dictionary Translation with a Single @Trans Annotation

Easy‑Trans is a SpringBoot starter that eliminates repetitive ID‑to‑name, dictionary code‑to‑text, and cross‑service field translation code by using a single @Trans annotation, offering five translation modes, Maven integration, YAML configuration, and optional Redis caching to boost performance and reduce boilerplate.

AnnotationData TranslationEasy-Trans
0 likes · 7 min read
Simplify SpringBoot ID, Enum, and Dictionary Translation with a Single @Trans Annotation
IoT Full-Stack Technology
IoT Full-Stack Technology
Apr 22, 2026 · Backend Development

A Lightweight Spring Boot Starter for Anti‑Repeat Submissions and Rate Limiting – Now on Maven Central

Guardian is a lightweight Spring Boot starter that provides both anti‑repeat‑submission protection and API rate limiting; it supports annotation and YAML configuration, flexible key scopes (user, IP, global), Redis or local storage, customizable response modes, white‑list handling, and built‑in observability, making it a drop‑in solution for single‑service projects.

API protectionAnnotationRedis
0 likes · 16 min read
A Lightweight Spring Boot Starter for Anti‑Repeat Submissions and Rate Limiting – Now on Maven Central
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 21, 2026 · Backend Development

Mastering Spring Boot 3 Parameter Conversion: 5 Practical Solutions

This article walks through five comprehensive Spring Boot 3 techniques for converting request parameters—including a custom Converter, PropertyEditor, custom @ConvertUser annotation, argument resolver, and JSON deserializer—showing step‑by‑step implementations, registration details, and runtime screenshots for each approach.

AnnotationArgument ResolverJSON Deserializer
0 likes · 10 min read
Mastering Spring Boot 3 Parameter Conversion: 5 Practical Solutions
Wu Shixiong's Large Model Academy
Wu Shixiong's Large Model Academy
Apr 9, 2026 · Artificial Intelligence

How to Jump‑Start a RAG System Without Any Labeled Data

Building a Retrieval‑Augmented Generation (RAG) system from scratch without existing QA pairs requires a systematic cold‑start approach that creates synthetic QA data, establishes baseline metrics, iteratively improves via expert labeling and real user feedback, and ensures document quality for reliable evaluation.

AnnotationEvaluation MetricsLLM
0 likes · 17 min read
How to Jump‑Start a RAG System Without Any Labeled Data
Java Tech Workshop
Java Tech Workshop
Apr 4, 2026 · Backend Development

Mastering SpringBoot Cache Annotations: @Cacheable and @CacheEvict

This article explains why and how to use SpringBoot's built‑in cache annotations—@Cacheable, @CacheEvict, @CachePut and @Caching—covering environment setup, annotation attributes, practical code examples, common pitfalls, and a concise comparison to help developers simplify caching logic and keep data consistent.

AnnotationCacheEvictCachePut
0 likes · 9 min read
Mastering SpringBoot Cache Annotations: @Cacheable and @CacheEvict
Top Architect
Top Architect
Mar 29, 2026 · Backend Development

Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC

This article explains how to automatically include userId and orderId in log messages of an e‑commerce system by defining log placeholders, storing IDs in ThreadLocal, and using a custom @UserLog annotation with Spring AOP to push the values into MDC, complete with configuration, code examples, and verification steps.

AOPAnnotationJava
0 likes · 9 min read
Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC
SpringMeng
SpringMeng
Mar 15, 2026 · Backend Development

Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter

Guardian is a lightweight Spring Boot starter that provides independent anti‑duplicate submission and rate‑limiting modules, offering annotation and YAML configuration, multi‑dimensional key scopes, customizable response modes, Redis or local storage, and built‑in monitoring, all illustrated with step‑by‑step code examples.

API protectionAnnotationRedis
0 likes · 17 min read
Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter
Old Zhang's AI Learning
Old Zhang's AI Learning
Mar 8, 2026 · Artificial Intelligence

Andrew Ng’s New “Context Hub” Adds a Context Layer for Coding Agents

Context Hub, Andrew Ng’s latest open‑source project, introduces a structured, versioned documentation layer for coding agents that tackles API hallucination and memory loss, offers incremental fetching, annotation, and separates local notes from public feedback, making agent‑driven development more reliable and token‑efficient.

AI documentationAgent infrastructureAnnotation
0 likes · 9 min read
Andrew Ng’s New “Context Hub” Adds a Context Layer for Coding Agents
LuTiao Programming
LuTiao Programming
Mar 8, 2026 · Backend Development

Stop Hand‑Writing Logs: One‑Click Full‑Trace Monitoring with Spring Boot AOP

After a system has been running, developers often drown in manual log statements to answer questions like why an interface is slow, who called a method, or what parameters were passed, but Spring Boot AOP lets you replace all that with a single annotation and aspect that automatically records calls, execution time, parameters, exceptions, and call chains, keeping business code clean.

AOPAnnotationAspectJ
0 likes · 8 min read
Stop Hand‑Writing Logs: One‑Click Full‑Trace Monitoring with Spring Boot AOP
Selected Java Interview Questions
Selected Java Interview Questions
Mar 3, 2026 · Backend Development

Automate Sensitive Data Encryption in MyBatis with Annotations and Interceptors

This article explains how to replace manual encryption code with a lightweight, annotation‑driven solution that uses a custom MyBatis interceptor to automatically encrypt and decrypt sensitive fields such as phone numbers, emails, and ID cards, improving code readability, maintainability, and security compliance.

AnnotationEncryptionJava
0 likes · 20 min read
Automate Sensitive Data Encryption in MyBatis with Annotations and Interceptors
Coder Trainee
Coder Trainee
Feb 26, 2026 · Backend Development

Understanding the Detailed Usage of @Nullable Annotation

This article explains how the @Nullable annotation can be applied to methods, fields, and parameters in Java, provides concrete code examples for each case, and shows a real‑world usage from Spring's StringUtils utility.

@NullableAnnotationJava
0 likes · 4 min read
Understanding the Detailed Usage of @Nullable Annotation
Java Companion
Java Companion
Feb 21, 2026 · Backend Development

Build Your Own Spring Boot API Guard: Anti‑Duplicate Submissions and Rate Limiting

The article introduces Guardian, a lightweight Spring Boot starter that provides independent anti‑duplicate‑submission and rate‑limiting modules, explains why a custom solution is preferable to raw Redis locks, and walks through annotation and YAML configurations, key generation, response handling, storage options, concurrency safety, and observability.

API GuardAnnotationAnti-duplicate Submission
0 likes · 17 min read
Build Your Own Spring Boot API Guard: Anti‑Duplicate Submissions and Rate Limiting
Top Architect
Top Architect
Feb 11, 2026 · Backend Development

Designing Clean API Response Wrappers in Spring Boot

This article explains how to design a consistent JSON response format for Spring Boot APIs, covering status‑code conventions, message handling, a reusable Result wrapper class, controller simplification, and a global @ResponseResult annotation with interceptor and advice for automatic response packaging.

@ControllerAdviceAPI designAnnotation
0 likes · 10 min read
Designing Clean API Response Wrappers in Spring Boot
Java Companion
Java Companion
Feb 5, 2026 · Backend Development

Elegant Dynamic Data Source Switching in SpringBoot Using ThreadLocal and AbstractRoutingDataSource

This article walks through building an elegant dynamic data‑source switch in SpringBoot by combining ThreadLocal with AbstractRoutingDataSource, covering the context holder, custom routing class, YAML configuration, testing, annotation‑driven switching, and runtime addition of new data sources.

AOPAnnotationRuntime DataSource Registration
0 likes · 16 min read
Elegant Dynamic Data Source Switching in SpringBoot Using ThreadLocal and AbstractRoutingDataSource
Selected Java Interview Questions
Selected Java Interview Questions
Jan 15, 2026 · Backend Development

How to Build a Lightweight, Annotation‑Driven Rate Limiter with Spring AOP and Guava

This article explains how to create a non‑intrusive, configurable rate‑limiting component for Spring services by combining Spring AOP, a custom @RateLimit annotation, and Google Guava's RateLimiter, covering token‑bucket fundamentals, API usage, implementation details, common AOP pitfalls, and migration to distributed limiting.

AnnotationGuava RateLimiterJava
0 likes · 12 min read
How to Build a Lightweight, Annotation‑Driven Rate Limiter with Spring AOP and Guava
Top Architect
Top Architect
Dec 25, 2025 · Backend Development

Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC

This guide shows how to eliminate manual logging of user and order identifiers in a Java e‑commerce system by declaring log placeholders, storing values in ThreadLocal, and using a custom @UserLog annotation with Spring AOP to automatically populate MDC variables for Log4j2.

AOPAnnotationJava
0 likes · 9 min read
Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC
Java Tech Enthusiast
Java Tech Enthusiast
Dec 2, 2025 · Backend Development

Auto‑Encrypt Sensitive Fields in Spring Boot with MyBatis Annotations

This article explains how to eliminate repetitive manual encryption code in Java applications by using a custom @Encrypted annotation together with a MyBatis interceptor, enabling transparent AES‑GCM encryption and decryption of sensitive fields such as phone numbers, emails, and ID numbers.

AnnotationField EncryptionJava
0 likes · 11 min read
Auto‑Encrypt Sensitive Fields in Spring Boot with MyBatis Annotations
Code Ape Tech Column
Code Ape Tech Column
Nov 6, 2025 · Backend Development

Simplify File Downloads in Spring with a One‑Annotation Library

This article introduces a Spring‑based download library that lets developers add a single @Download annotation to any controller method to automatically handle file, HTTP resource, or text downloads, supporting concurrent loading, compression, and both WebMVC and WebFlux response models.

AnnotationDownloadReactive
0 likes · 15 min read
Simplify File Downloads in Spring with a One‑Annotation Library
Java Web Project
Java Web Project
Oct 28, 2025 · Backend Development

Why Lombok’s Getter/Setter Naming Breaks MyBatis (and EasyExcel) and How to Fix It

The article analyzes a Lombok @Data‑generated getter/setter naming mismatch that causes MyBatis to store a null enum field, walks through debugging, examines MyBatis’s PropertyNamer source, demonstrates the issue with test code, and then explains a similar @Accessor(chain=true) problem in EasyExcel, offering concrete workarounds for both.

AnnotationEasyExcelGetterSetter
0 likes · 9 min read
Why Lombok’s Getter/Setter Naming Breaks MyBatis (and EasyExcel) and How to Fix It
Java Tech Enthusiast
Java Tech Enthusiast
Oct 24, 2025 · Backend Development

How to Auto‑Inject User and Order IDs into Logs with MDC & Spring AOP

This article explains how to automatically include userId and orderId in log messages by defining log placeholders, storing these values in a thread‑local MDC map, and using a custom @UserLog annotation together with Spring AOP to inject the data at runtime, simplifying debugging and improving productivity.

AOPAnnotationJava
0 likes · 8 min read
How to Auto‑Inject User and Order IDs into Logs with MDC & Spring AOP
Architect's Tech Stack
Architect's Tech Stack
Sep 25, 2025 · Backend Development

Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC

This article explains how to eliminate manual logging of user and order identifiers in Java e‑commerce services by using Log4j2 placeholders, ThreadLocal, MDC, a custom @UserLog annotation, and Spring AOP to automatically enrich log messages with these contextual fields.

AnnotationJava loggingMDC
0 likes · 9 min read
Auto‑Inject UserId and OrderId into Logs with Spring AOP and MDC
Liangxu Linux
Liangxu Linux
Aug 6, 2025 · Fundamentals

Boost Your Productivity with Flameshot: The Ultimate Open‑Source Screenshot Tool

Flameshot is a powerful open‑source screenshot utility that combines instant capture with rich annotation tools, supports Linux, Windows and macOS, offers command‑line options, customizable appearance, and easy installation via package managers, making it ideal for developers and technical writers who need fast, editable screenshots.

AnnotationFlameshotWindows
0 likes · 5 min read
Boost Your Productivity with Flameshot: The Ultimate Open‑Source Screenshot Tool
macrozheng
macrozheng
Jul 24, 2025 · Backend Development

Master Spring Annotation Development: From XML Beans to Pure Annotations

This article explains how Spring 3.0's pure annotation mode simplifies bean configuration, demonstrates replacing XML with @Component and @Configuration, covers bean scopes, dependency injection techniques like @Autowired, @Qualifier, @Value, and shows seamless integration of Spring with MyBatis for data access.

AnnotationDependency InjectionMyBatis
0 likes · 10 min read
Master Spring Annotation Development: From XML Beans to Pure Annotations
Top Architecture Tech Stack
Top Architecture Tech Stack
Jun 4, 2025 · Backend Development

Designing a Unified API Response Structure for Backend Services

This article explains how to design a consistent JSON response format for backend APIs, covering status‑code conventions, message handling, data payloads, a Result wrapper class, controller implementation, a @ResponseResult annotation, interceptor logic, and suggestions for further optimization.

APIAnnotationJava
0 likes · 7 min read
Designing a Unified API Response Structure for Backend Services
Java Architect Essentials
Java Architect Essentials
May 21, 2025 · Backend Development

How @Slf4j Instantly Simplifies Logging in Spring Boot

This article explains why repetitive logger boilerplate in Spring Boot is a problem, introduces Lombok's @Slf4j annotation that auto‑generates a logger, shows basic and advanced usage with code examples, and outlines the benefits for real‑world backend projects.

AnnotationJavaLogging
0 likes · 7 min read
How @Slf4j Instantly Simplifies Logging in Spring Boot
Java Architect Essentials
Java Architect Essentials
May 17, 2025 · Backend Development

Simplify SpringBoot Time Handling with @DateTimeFormat Annotation

This article explains how SpringBoot’s @DateTimeFormat annotation automatically converts timestamps and date strings to Date, LocalDate, or LocalDateTime objects, eliminating manual parsing code, and provides practical examples ranging from simple date parameters to custom datetime patterns for more efficient backend development.

@DateTimeFormatAnnotationBackend Development
0 likes · 7 min read
Simplify SpringBoot Time Handling with @DateTimeFormat Annotation
Java Architect Essentials
Java Architect Essentials
May 15, 2025 · Backend Development

How @PageableDefault Simplifies SpringBoot Pagination

The article explains how the SpringBoot @PageableDefault annotation automatically provides default pagination parameters, reducing boilerplate code, improving readability, and offering flexible control for various query endpoints in Java backend development.

AnnotationJavaSpring Data
0 likes · 6 min read
How @PageableDefault Simplifies SpringBoot Pagination
Lin is Dream
Lin is Dream
May 15, 2025 · Backend Development

How to Build a Pluggable Operation Log System with AOP and Annotations in Java

This article explains a complete, reusable solution for recording operation logs in Java backend applications using Spring AOP, custom annotations, callback interfaces, and a user‑adapter to bridge third‑party logging libraries with the main program, enabling flexible storage and auditing.

AnnotationCallbackJava
0 likes · 8 min read
How to Build a Pluggable Operation Log System with AOP and Annotations in Java
Java Captain
Java Captain
May 14, 2025 · Backend Development

Rate Limiting in Java: Redis, Spring AOP, and Custom Annotations

This article explains the concept of rate limiting, introduces common algorithms such as token bucket and leaky bucket, and provides a complete Spring‑Boot implementation using Redis, custom annotations, AOP, and utility classes for distributed request throttling.

AnnotationDistributedrate limiting
0 likes · 21 min read
Rate Limiting in Java: Redis, Spring AOP, and Custom Annotations
Java Architect Essentials
Java Architect Essentials
May 12, 2025 · Backend Development

Simplify File Uploads in Spring Boot with the @RequestPart Annotation

This article explains how the Spring Boot @RequestPart annotation can dramatically simplify file upload handling by automatically binding multipart data to method parameters, reducing boilerplate code, supporting validation, large files, and real‑world use cases with clear code examples.

@RequestPartAnnotationFileUpload
0 likes · 7 min read
Simplify File Uploads in Spring Boot with the @RequestPart Annotation
Java Architect Essentials
Java Architect Essentials
May 8, 2025 · Backend Development

How @Encrypt Simplifies API Security in SpringBoot

This article explains how the @Encrypt annotation in SpringBoot can automatically handle encryption and decryption of sensitive API parameters, eliminating repetitive manual code, improving maintainability, and allowing custom encryption strategies for real‑world applications.

API SecurityAnnotationEncryption
0 likes · 7 min read
How @Encrypt Simplifies API Security in SpringBoot
Selected Java Interview Questions
Selected Java Interview Questions
May 7, 2025 · Backend Development

Easy-Data-Scope: A Simple Data‑Permission Library for MyBatis and Spring Boot

This article introduces easy-data-scope, a lightweight Java library that enables dynamic SQL‑based data permission control for MyBatis, MyBatis‑Plus, and MyBatis‑Flex, showing how to set up the project, configure dependencies, define annotations, and apply various permission scenarios with code examples.

AnnotationData PermissionMyBatis
0 likes · 9 min read
Easy-Data-Scope: A Simple Data‑Permission Library for MyBatis and Spring Boot
Java Architect Essentials
Java Architect Essentials
May 6, 2025 · Backend Development

How @Authenticated Simplifies SpringBoot API Security

The article explains how the @Authenticated annotation in SpringBoot can replace repetitive manual authentication code, offering automatic request validation, role‑based checks, and streamlined error handling, with practical examples and a clear list of benefits for developers.

API SecurityAnnotationJava
0 likes · 7 min read
How @Authenticated Simplifies SpringBoot API Security
Java Architect Essentials
Java Architect Essentials
May 4, 2025 · Backend Development

Mastering Request Timeouts in SpringBoot with @Timeout Annotation

Learn how the @Timeout annotation in SpringBoot simplifies request timeout management by eliminating repetitive configuration code, offering automatic timeout control, customizable fallback methods, and improved maintainability, with practical examples and step-by-step guidance for integrating it into your APIs.

AnnotationJavabackend
0 likes · 7 min read
Mastering Request Timeouts in SpringBoot with @Timeout Annotation
macrozheng
macrozheng
Apr 30, 2025 · Backend Development

Master Dynamic Data Permissions in Spring Boot with Easy-Data-Scope

This tutorial walks through setting up the easy-data-scope library in a Spring Boot project, configuring the database and dependencies, defining DataScopeInfo, using the @DataScope annotation, and demonstrating various permission scenarios such as filtering by ID, age, merging conditions, and custom templates.

AnnotationData PermissionMyBatis
0 likes · 11 min read
Master Dynamic Data Permissions in Spring Boot with Easy-Data-Scope
Java Architect Essentials
Java Architect Essentials
Apr 28, 2025 · Backend Development

Simplifying SpringBoot Controllers with the @RestController Annotation

The article explains how using SpringBoot's @RestController annotation can replace the verbose combination of @Controller and @ResponseBody, reducing configuration overhead, aligning with convention‑over‑configuration principles, and streamlining backend development for faster, cleaner API implementations.

AnnotationJavaRestController
0 likes · 7 min read
Simplifying SpringBoot Controllers with the @RestController Annotation
Java Architect Essentials
Java Architect Essentials
Apr 27, 2025 · Backend Development

Concept-Download: A Spring‑Based Library for Simplified File Download, Compression and Reactive Streaming

This article introduces a Spring‑compatible download library that lets developers annotate a single method to download arbitrary objects—files, HTTP resources, or custom objects—while handling caching, concurrent loading, compression, and reactive response writing for both MVC and WebFlux environments.

AnnotationFile DownloadJava
0 likes · 14 min read
Concept-Download: A Spring‑Based Library for Simplified File Download, Compression and Reactive Streaming
Java Backend Technology
Java Backend Technology
Mar 31, 2025 · Backend Development

Boost Database Query Performance with Spring AOP: Parallel IN Splitting Technique

This article explains how to improve slow PostgreSQL IN queries caused by large parameter lists by defining a custom Spring AOP annotation that automatically splits the parameter set, runs the sub‑queries concurrently in multiple threads, and merges the results back together, complete with code examples and usage guidelines.

AOPAnnotationSpring
0 likes · 11 min read
Boost Database Query Performance with Spring AOP: Parallel IN Splitting Technique
Java Web Project
Java Web Project
Mar 25, 2025 · Backend Development

Simplify Complex File Downloads with a One‑Annotation Spring Library

This article walks through the design and implementation of a Spring‑based download library that lets developers download files, HTTP resources, or arbitrary objects with a single @Download annotation, covering the problem setup, reactive architecture, source abstraction, concurrency handling, compression, response writing, and the lessons learned.

AnnotationDownloadJava
0 likes · 18 min read
Simplify Complex File Downloads with a One‑Annotation Spring Library
Java Tech Enthusiast
Java Tech Enthusiast
Mar 2, 2025 · Backend Development

Simplify File Downloads in SpringBoot with a Single @Download Annotation

The Concept‑Download library lets SpringBoot developers replace verbose download code with a single @Download annotation that automatically handles classpath resources, local files, HTTP URLs, custom objects, compression and reactive streaming, simplifying batch and QR‑code ZIP exports.

AOPAnnotationFileDownload
0 likes · 8 min read
Simplify File Downloads in SpringBoot with a Single @Download Annotation
Architect's Guide
Architect's Guide
Feb 15, 2025 · Backend Development

Using @TableLogic Annotation for Logical Deletion in MyBatis-Plus

This article explains how the @TableLogic annotation in MyBatis-Plus implements logical deletion by converting delete operations into updates, details its parameters, supported field types, global configuration, and provides complete Java and SQL code examples for practical usage.

AnnotationJavaLogical Deletion
0 likes · 8 min read
Using @TableLogic Annotation for Logical Deletion in MyBatis-Plus
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Dec 30, 2024 · Mobile Development

Dynamic Base URL Switching in Retrofit Using Interceptor and Custom Annotations

This article explains the limitations of the default Retrofit baseUrl configuration, reviews three existing solutions, and presents a comprehensive interceptor‑based approach that leverages custom @BaseUrl annotations to dynamically switch base URLs at runtime while handling @Url full‑path parameters correctly.

AndroidAnnotationDynamicBaseUrl
0 likes · 20 min read
Dynamic Base URL Switching in Retrofit Using Interceptor and Custom Annotations
Architects' Tech Alliance
Architects' Tech Alliance
Dec 23, 2024 · Artificial Intelligence

Why High‑Quality, Massive, Diverse Data Fuels AI Breakthroughs

The article explains how breakthroughs in artificial intelligence depend on high‑quality, large‑scale, and diverse training data, outlines the data‑centric AI movement, details a six‑step workflow for building datasets, and surveys the data industry ecosystem supporting large language model development.

AI dataAnnotationData Quality
0 likes · 7 min read
Why High‑Quality, Massive, Diverse Data Fuels AI Breakthroughs
Selected Java Interview Questions
Selected Java Interview Questions
Dec 6, 2024 · Backend Development

Design and Implementation of a Lightweight Data Translation Framework for Java Backend Applications

This article introduces a lightweight, extensible Java framework that uses custom annotations to translate relational data, dictionaries, collections, and nested objects, detailing its background, architecture, core annotation design, usage examples, advanced features, Spring Boot integration, ORM support, and provides the open‑source repository link.

AnnotationData TranslationJava
0 likes · 17 min read
Design and Implementation of a Lightweight Data Translation Framework for Java Backend Applications
Architecture Digest
Architecture Digest
Nov 28, 2024 · Backend Development

Automatic Insertion of UserId and OrderId into Logs Using Spring AOP and MDC

This article explains how to automatically embed userId and orderId into log statements by defining log placeholders, storing these values in MDC via ThreadLocal, and using a custom @UserLog annotation together with Spring AOP to inject the data before method execution, complete with configuration and test examples.

AOPAnnotationJava
0 likes · 8 min read
Automatic Insertion of UserId and OrderId into Logs Using Spring AOP and MDC
Su San Talks Tech
Su San Talks Tech
Nov 28, 2024 · Backend Development

Unified Asynchronous Notification Verification Using Custom Spring MVC Argument Resolvers

The article explains how to encapsulate asynchronous notification signature verification in Spring MVC by creating a custom annotation and argument resolver, discusses why aspects and @RequestBody are unsuitable, and presents an alternative unified notification handling design using a service interface and dynamic implementation loading.

AnnotationJavacustom argument resolver
0 likes · 9 min read
Unified Asynchronous Notification Verification Using Custom Spring MVC Argument Resolvers
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 29, 2024 · Backend Development

How to Apply a Global URL Prefix to All Spring Boot Controllers

This article explains multiple ways to apply a common URL prefix to all Spring Boot controllers, covering servlet‑context configuration, property settings, annotation‑based approaches, server‑side forwarding, and Nginx reverse‑proxy techniques, with code samples and discussion of their advantages and drawbacks.

AnnotationNGINXbackend
0 likes · 7 min read
How to Apply a Global URL Prefix to All Spring Boot Controllers
macrozheng
macrozheng
Sep 10, 2024 · Backend Development

Automate User and Order ID Logging in Spring Boot with MDC and AOP

This guide explains how to automatically inject userId and orderId into log statements in a Spring Boot microservice by configuring Log4j2 patterns, using MDC to store context variables, and creating a custom @UserLog annotation with an AOP aspect that populates the MDC before method execution.

AOPAnnotationJava
0 likes · 9 min read
Automate User and Order ID Logging in Spring Boot with MDC and AOP
Selected Java Interview Questions
Selected Java Interview Questions
Aug 1, 2024 · Backend Development

Spring Annotation-Based Development and MyBatis Integration Guide

This article explains how Spring 3.0's pure annotation development simplifies bean configuration, demonstrates defining beans with @Component, managing bean scopes, performing various injection techniques, reading properties files, and integrating MyBatis, providing complete code examples and best‑practice tips for backend Java developers.

AnnotationDependency InjectionJava
0 likes · 11 min read
Spring Annotation-Based Development and MyBatis Integration Guide
Java Backend Technology
Java Backend Technology
Jul 30, 2024 · Backend Development

Spring Annotation Development: From Bean Definition to MyBatis Integration

This article explains how Spring’s pure annotation development replaces XML bean definitions, covers component scanning, bean scopes, derived annotations, various injection methods, property file loading, and demonstrates seamless Spring‑MyBatis integration, showing step‑by‑step code examples that simplify backend configuration.

AnnotationDependency InjectionJava
0 likes · 9 min read
Spring Annotation Development: From Bean Definition to MyBatis Integration
Top Architect
Top Architect
Jul 7, 2024 · Backend Development

Backend Request Debounce and Distributed Lock Implementation in Java

This article explains the concept of request debouncing, outlines ideal debounce component characteristics, identifies which API endpoints need debouncing, and provides detailed Java implementations using shared Redis cache and Redisson distributed locks, including custom annotations, key generation, and practical testing results.

AnnotationDistributed LockJava
0 likes · 18 min read
Backend Request Debounce and Distributed Lock Implementation in Java
Top Architect
Top Architect
Jun 28, 2024 · Backend Development

Designing a Unified API Response Structure for Backend Services

This article explains how to create a consistent JSON response format with status codes, messages, and data payloads, and how to automate its generation in Java Spring using a custom @ResponseResult annotation, interceptor, and controller advice to simplify backend development and improve front‑end integration.

APIAnnotationError handling
0 likes · 9 min read
Designing a Unified API Response Structure for Backend Services
Architecture Digest
Architecture Digest
Jun 25, 2024 · Backend Development

Implementing Request Debounce in Backend Systems Using Redis and Redisson

This article explains why request debouncing is essential for backend APIs, identifies the types of endpoints that need it, and provides two distributed solutions—shared Redis cache and Redisson locks—along with complete Java annotation and aspect implementations, testing results, and best‑practice recommendations.

Annotationdebounceredisson
0 likes · 12 min read
Implementing Request Debounce in Backend Systems Using Redis and Redisson
Selected Java Interview Questions
Selected Java Interview Questions
Jun 2, 2024 · Backend Development

Implementing a Data Permission Interceptor with MyBatis‑Plus in Java

This article explains how to create a custom annotation and MyBatis‑Plus interceptor that automatically injects data‑permission WHERE clauses based on the current user's role, covering both a basic implementation and an advanced version with role‑based scope handling, complete with configuration and usage examples.

AnnotationData PermissionJava
0 likes · 16 min read
Implementing a Data Permission Interceptor with MyBatis‑Plus in Java
Code Ape Tech Column
Code Ape Tech Column
Mar 28, 2024 · Backend Development

A Reactive Download Library for Spring MVC and WebFlux: Design, Implementation, and Usage

This article introduces a Java library that simplifies file download in Spring applications by using a @Download annotation, supporting various source types, reactive and servlet environments, concurrent loading, compression, and customizable handlers, and details its architecture, code examples, and practical considerations.

AnnotationBackend DevelopmentFile Download
0 likes · 16 min read
A Reactive Download Library for Spring MVC and WebFlux: Design, Implementation, and Usage
Code Ape Tech Column
Code Ape Tech Column
Mar 8, 2024 · Backend Development

Implementing Environment Isolation in MyBatis with a Custom Interceptor and Annotation

This article describes how to achieve data environment isolation in a Java application by creating a custom MyBatis interceptor and annotation, allowing automatic SQL modification to handle env fields, reducing code changes, improving safety, and supporting flexible deployment across pre‑release, gray, and production environments.

AOPAnnotationJava
0 likes · 11 min read
Implementing Environment Isolation in MyBatis with a Custom Interceptor and Annotation
Java Tech Enthusiast
Java Tech Enthusiast
Feb 14, 2024 · Backend Development

Generic Excel Export for Arbitrary Java Objects via Reflection

The article shows how to generically export any Java object's data to an Excel‑compatible CSV file by using reflection to convert objects into maps, building headers (optionally via a @JcExcelName annotation) and writing the result with a reusable utility class and Maven‑managed Apache POI, FastJSON, and Commons‑IO dependencies, illustrated through SpringBoot controller and main‑method examples.

AnnotationCSVExcel Export
0 likes · 10 min read
Generic Excel Export for Arbitrary Java Objects via Reflection
Java Backend Technology
Java Backend Technology
Jan 24, 2024 · Backend Development

How to Export Any Java Object List to Excel Using Reflection and CSV

This article demonstrates a step‑by‑step method for exporting a list of unknown Java objects to an Excel/CSV file by leveraging reflection to dynamically generate headers and rows, complete with Maven dependencies, utility code, usage examples, and an extensible annotation‑based approach.

AnnotationCSVExcel Export
0 likes · 11 min read
How to Export Any Java Object List to Excel Using Reflection and CSV
Java Captain
Java Captain
Jan 15, 2024 · Backend Development

Implementing Interface Rate Limiting with Spring Interceptor and Redis

This article explains how to prevent API abuse by using a Spring Interceptor combined with Redis to count requests per IP and URI, demonstrates step‑by‑step code implementations, discusses custom annotations, mapping rules, time‑window challenges, path‑parameter handling, and real‑IP extraction for robust backend rate limiting.

AnnotationJavaRedis
0 likes · 15 min read
Implementing Interface Rate Limiting with Spring Interceptor and Redis
Java High-Performance Architecture
Java High-Performance Architecture
Jan 9, 2024 · Backend Development

How to Build a Flexible API Rate‑Limiting System with Spring Interceptor and Redis

This article demonstrates step‑by‑step how to prevent API abuse in a Spring MVC application by using an Interceptor combined with Redis for counting requests, customizing limits per endpoint through annotations and reflection, handling mapping rules, path‑parameter challenges, and obtaining the real client IP.

AnnotationJavaRedis
0 likes · 19 min read
How to Build a Flexible API Rate‑Limiting System with Spring Interceptor and Redis
IT Niuke
IT Niuke
Jan 8, 2024 · Backend Development

How to Gracefully Switch Data Sources Dynamically in a SpringBoot Project

This article walks through implementing dynamic data‑source switching in SpringBoot by combining ThreadLocal with AbstractRoutingDataSource, covering manual code, configuration, annotation‑driven AOP, and runtime addition of new data sources, complete with test cases and sample code.

AOPAnnotationThreadLocal
0 likes · 17 min read
How to Gracefully Switch Data Sources Dynamically in a SpringBoot Project
Selected Java Interview Questions
Selected Java Interview Questions
Jan 4, 2024 · Backend Development

Preventing Duplicate Form Submissions with a Redis‑Based Request Lock in Spring Boot

This article explains why duplicate form submissions occur, the risks they pose, and demonstrates a Spring Boot solution that uses a custom @RequestLock annotation together with Redis SETNX to generate a unique key and block rapid repeated requests, complete with project setup, code examples, and usage instructions.

AOPAnnotationJava
0 likes · 12 min read
Preventing Duplicate Form Submissions with a Redis‑Based Request Lock in Spring Boot
HomeTech
HomeTech
Jan 3, 2024 · Backend Development

Design and Implementation of a Generic Data‑Change Tracking and Dynamic Display System

This article presents a comprehensive solution for decoupled operation‑log recording in multi‑project backend systems, detailing the design goals, technology choices such as AOP, annotations, SpringEL and MongoDB, the system architecture, implementation steps, a practical case study, and future enhancements.

AOPAnnotationMongoDB
0 likes · 11 min read
Design and Implementation of a Generic Data‑Change Tracking and Dynamic Display System
Architecture Digest
Architecture Digest
Nov 23, 2023 · Backend Development

Using Redisson Distributed Locks with Custom Annotations in Java

This article explains how to apply Redisson's distributed lock in Java, demonstrates the basic lock and tryLock APIs, shows how to create a custom @DistributedLock annotation and an AOP aspect to handle locking automatically, and provides a practical usage example with two services.

AOPAnnotationDistributed Lock
0 likes · 8 min read
Using Redisson Distributed Locks with Custom Annotations in Java
政采云技术
政采云技术
Nov 22, 2023 · Backend Development

Comprehensive Guide to Spring Validation: Annotations, Usage Scenarios, and Advanced Techniques

This article provides an in‑depth overview of Spring Validation, covering standard Bean Validation 2.0 annotations, Hibernate extensions, the differences between @Valid and @Validated, practical usage in controllers, programmatic validation, Dubbo integration, group validation, and how to create custom validation annotations with full code examples.

AnnotationBean ValidationDubbo
0 likes · 16 min read
Comprehensive Guide to Spring Validation: Annotations, Usage Scenarios, and Advanced Techniques
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Nov 1, 2023 · Backend Development

Mastering Spring Event Mechanism: Custom Events, Listeners, Async & Ordering

This article introduces Spring's event mechanism, covering the creation of custom ApplicationEvent classes, implementing listeners via ApplicationListener and @EventListener annotations, publishing events, using @Async for asynchronous handling, configuring custom event multicaster, and controlling listener execution order with @Order, complete with code examples.

AnnotationAsynchronousEvent
0 likes · 9 min read
Mastering Spring Event Mechanism: Custom Events, Listeners, Async & Ordering