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Top Architecture Tech Stack
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Top Architecture Tech Stack

Sharing Java and Python tech insights, with occasional practical development tool tips.

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Recent Articles

Latest from Top Architecture Tech Stack

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Top Architecture Tech Stack
Top Architecture Tech Stack
May 20, 2025 · Backend Development

Global Exception Handling in Spring Boot: Techniques and Code Examples

This article explains how to efficiently handle exceptions in Spring Boot applications by using @ControllerAdvice and @ExceptionHandler annotations, providing step-by-step code examples for custom global exception classes, error response structures, and handling specific exceptions such as business, null pointer, and type conversion errors.

AnnotationsBackendExceptionHandling
0 likes · 9 min read
Global Exception Handling in Spring Boot: Techniques and Code Examples
Top Architecture Tech Stack
Top Architecture Tech Stack
May 19, 2025 · Backend Development

Understanding Server‑Sent Events (SSE): Concepts, Comparison with Polling and WebSocket, and Practical Implementation

This article explains the scenarios where servers need to push data to clients, compares three implementation methods—polling, WebSocket, and SSE—highlights their advantages and drawbacks, and provides step‑by‑step frontend and Node.js backend demos for building a real‑time SSE connection.

ExpressJavaScriptNode.js
0 likes · 13 min read
Understanding Server‑Sent Events (SSE): Concepts, Comparison with Polling and WebSocket, and Practical Implementation
Top Architecture Tech Stack
Top Architecture Tech Stack
May 15, 2025 · Backend Development

Understanding Cookie + Session Mechanism and Distributed Session Sharing Solutions

This article explains the Cookie + Session mechanism for maintaining user state, discusses its limitations such as size, performance and security, examines challenges in distributed environments, and reviews common solutions including session replication, sticky load balancing, centralized storage, and the use of ThreadLocal for small‑scale backend applications.

CookieSessiondistributed systems
0 likes · 17 min read
Understanding Cookie + Session Mechanism and Distributed Session Sharing Solutions
Top Architecture Tech Stack
Top Architecture Tech Stack
May 14, 2025 · Backend Development

Injecting List, Array, Set, and Map from Spring Configuration Files Using @Value and EL Expressions

This article explains how to store and inject collection types such as List, array, Set, and Map in Spring configuration files, demonstrates the pitfalls of using @Value directly, and provides practical solutions using @ConfigurationProperties, EL split functions, and custom decoders for flexible and safe property binding.

BackendEL expressionJava
0 likes · 7 min read
Injecting List, Array, Set, and Map from Spring Configuration Files Using @Value and EL Expressions
Top Architecture Tech Stack
Top Architecture Tech Stack
May 11, 2025 · Backend Development

Using Java 8 Functional Interfaces to Replace Repetitive if‑else Logic

This article explains how Java 8 functional interfaces such as Function, Supplier, Consumer, and Runnable can replace repetitive if‑else statements, provides code examples for throwing exceptions, branch handling, and present‑or‑else logic, and demonstrates practical usage to improve backend code readability.

BackendConsumerException Handling
0 likes · 6 min read
Using Java 8 Functional Interfaces to Replace Repetitive if‑else Logic
Top Architecture Tech Stack
Top Architecture Tech Stack
May 10, 2025 · Databases

MySQL Query Optimization Guidelines and Best Practices

This article presents a comprehensive set of MySQL optimization techniques, covering the avoidance of SELECT *, proper use of specific fields, index-friendly query patterns, join strategies, handling of NULL and default values, efficient use of UNION, batch inserts, and numerous other performance‑enhancing tips for database developers.

Database TuningIndexesMySQL
0 likes · 17 min read
MySQL Query Optimization Guidelines and Best Practices
Top Architecture Tech Stack
Top Architecture Tech Stack
May 9, 2025 · Backend Development

Understanding DTO, BO, PO, and VO in Backend Development

This article explains the concepts of Data Transfer Object (DTO), Business Object (BO), Persistent Object (PO), and Value Object (VO) in backend development, compares their roles, provides Java code examples, and discusses how to configure Spring MVC to filter null fields, while also including promotional content for IDE licenses.

Backend DevelopmentDTOJava
0 likes · 6 min read
Understanding DTO, BO, PO, and VO in Backend Development