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Architecture Digest
Architecture Digest
Apr 28, 2025 · Backend Development

A Curated List of Influential Open‑Source Projects That Support Thousands of Developers

This article presents a curated collection of notable open‑source projects—including Skynet, flv.js, Tinyhttpd, Memcached, Redis, LevelDB, Libevent, SQLite, OpenResty, MeiliSearch, FreeSwitch, ffmpeg, ImageMagick, CEF, OBS Studio, VirtualApp, VideoCrafter, OpenCV, draw.io, and OpenSSL—detailing their primary functions, typical use cases, and GitHub repositories, illustrating how they have sustained large developer communities.

Development ToolsTechnologybackend
0 likes · 11 min read
A Curated List of Influential Open‑Source Projects That Support Thousands of Developers
Selected Java Interview Questions
Selected Java Interview Questions
Apr 28, 2025 · Backend Development

Understanding Java Virtual Threads: Basics, Spring Boot Integration, and Performance Comparison

This article introduces Java 21's virtual threads, explains their lightweight and high‑concurrency advantages, demonstrates basic usage and Spring Boot integration with code examples, and compares their performance against traditional threads through practical experiments and additional optimization tips.

PerformanceSpring BootVirtual Threads
0 likes · 7 min read
Understanding Java Virtual Threads: Basics, Spring Boot Integration, and Performance Comparison
macrozheng
macrozheng
Apr 28, 2025 · Backend Development

Master Java Serialization: Common Pitfalls and Best Practices

This article explains the fundamentals of Java object serialization, compares legacy and modern formats, outlines how to choose the right method, and details common issues such as static fields, transient modifiers, serialVersionUID mismatches, inheritance quirks, and custom serialization techniques with clear code examples.

DeserializationExternalizableJava
0 likes · 15 min read
Master Java Serialization: Common Pitfalls and Best Practices
Architect's Guide
Architect's Guide
Apr 28, 2025 · Backend Development

Cloudflare Open‑sources Pingora: A Rust‑Based Asynchronous HTTP Proxy Framework

Cloudflare has open‑sourced Pingora, a high‑performance Rust asynchronous multithreaded framework for building HTTP/1 and HTTP/2 end‑to‑end proxy services, detailing its features, runtime capabilities, and the company’s motivation to promote memory‑safe infrastructure while noting its pre‑1.0 status and limited OS support.

CloudflareHTTP ProxyPingora
0 likes · 5 min read
Cloudflare Open‑sources Pingora: A Rust‑Based Asynchronous HTTP Proxy Framework
Code Ape Tech Column
Code Ape Tech Column
Apr 27, 2025 · Backend Development

Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot

This guide demonstrates how to integrate the easy-data-scope library into a Spring Boot project to implement dynamic, annotation‑driven SQL data permissions with MyBatis, covering project setup, dependency configuration, core interfaces, annotation options, and practical query examples.

Data PermissionJavaMyBatis
0 likes · 7 min read
Using easy-data-scope for Dynamic SQL Data Permissions in Spring Boot
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Apr 27, 2025 · Backend Development

Implementing MCP over SSE/HTTP in a SpringBoot Backend

This article explains how to extend an open‑source smart production management system with MCP support by creating SSE/HTTP endpoints, a token‑based MAP, and a McpService that scans, executes, and pushes results, and demonstrates client configuration using CherryStudio.

MCPSSESpringBoot
0 likes · 6 min read
Implementing MCP over SSE/HTTP in a SpringBoot Backend
Java Captain
Java Captain
Apr 26, 2025 · Backend Development

Creating and Customizing a Spring Boot Starter with Auto‑Configuration Explained

This article explains the problems of traditional Spring MVC setup, introduces Spring Boot starters as a solution, details naming conventions and project structure for custom starters, and walks through the implementation of auto‑configuration classes, properties binding, and the spring.factories registration process.

JavaSpring Bootauto-configuration
0 likes · 9 min read
Creating and Customizing a Spring Boot Starter with Auto‑Configuration Explained
Java Captain
Java Captain
Apr 26, 2025 · Fundamentals

Understanding HTTP Protocol: Basics, Request Process, and Server Response

This article provides a comprehensive overview of the HTTP protocol, covering its fundamental concepts, the complete request lifecycle—including DNS resolution, TCP handshake, request headers, methods, cookies, and tokens—and detailed server response structures with practical Spring Boot examples.

NetworkingWebbackend
0 likes · 15 min read
Understanding HTTP Protocol: Basics, Request Process, and Server Response
Tencent Cloud Middleware
Tencent Cloud Middleware
Apr 24, 2025 · Backend Development

How TDMQ RocketMQ Implements Distributed Rate Limiting for High‑Throughput Messaging

This article explains TDMQ RocketMQ's distributed rate‑limiting mechanism, covering conversion rules, fast‑fail behavior, token‑based implementation, counting periods, client best practices, elastic TPS options, code examples for different SDK versions, monitoring tips, and answers to common throttling questions.

Message QueueRocketMQbackend
0 likes · 15 min read
How TDMQ RocketMQ Implements Distributed Rate Limiting for High‑Throughput Messaging
DeWu Technology
DeWu Technology
Apr 23, 2025 · Backend Development

Design and Implementation of a Business Parameter Configuration Center

The article presents the Business Parameter Configuration Center (BPCC), a declarative platform that automatically generates front‑end pages and corresponding CRUD services, detailing its layered architecture, core concepts such as elements, dimensions, parameters and schemes, SDK query flow, priority rules, multi‑selection handling, import/export workflow, and outlining scenarios where BPCC is unsuitable.

ConfigurationSDKarchitecture
0 likes · 15 min read
Design and Implementation of a Business Parameter Configuration Center
php Courses
php Courses
Apr 23, 2025 · Backend Development

Key New Features in PHP 9.0 and Their Impact on Modern Web Development

PHP 9.0 introduces a dramatically optimized JIT compiler, native generics and advanced type system, a stabilized fiber‑based async model, numerous developer‑experience enhancements, and strong backward‑compatibility tools, together delivering 15‑25% speed gains, lower memory usage, and better scalability for modern web applications.

PHPPerformanceasync
0 likes · 7 min read
Key New Features in PHP 9.0 and Their Impact on Modern Web Development
Top Architecture Tech Stack
Top Architecture Tech Stack
Apr 22, 2025 · Operations

Step-by-Step Guide to Deploy a Spring Boot Application with Docker and Jenkins CI/CD

This tutorial walks through installing Docker and Jenkins on CentOS, configuring system settings, creating a Jenkins job to pull, build, and package a Spring Boot project, testing the pipeline, and finally running the application via Docker, providing complete commands and configuration details for a reliable CI/CD workflow.

CI/CDJenkinsSpring Boot
0 likes · 8 min read
Step-by-Step Guide to Deploy a Spring Boot Application with Docker and Jenkins CI/CD
php Courses
php Courses
Apr 22, 2025 · Backend Development

Practical PHP Performance Optimization Techniques

This article presents a comprehensive collection of practical PHP performance optimization methods—including code-level improvements, database query tuning, caching strategies, memory management, file operation reductions, profiling tools, and miscellaneous tips—to help developers build faster, more efficient web applications.

PHPbackendcaching
0 likes · 9 min read
Practical PHP Performance Optimization Techniques
Java Captain
Java Captain
Apr 22, 2025 · Backend Development

Implementing Data Isolation with MyBatis Interceptor and Custom Annotations in Java

This article describes how to achieve multi‑environment data isolation in a Java backend by adding an env field to tables, using a MyBatis interceptor with JSqlParser to rewrite SQL, and applying custom annotations and AOP to control environment‑specific logic while preserving existing business code.

Custom AnnotationData IsolationInterceptor
0 likes · 9 min read
Implementing Data Isolation with MyBatis Interceptor and Custom Annotations in Java
Su San Talks Tech
Su San Talks Tech
Apr 22, 2025 · Backend Development

Avoid Date Bugs: Thread‑Safe Formatting and Time‑Zone Mastery in Java

This article explores common pitfalls in Java date handling—such as non‑thread‑safe formatting and daylight‑saving‑time errors—and presents robust solutions using ThreadLocal, the Java 8 Date/Time API, zone‑aware calculations, caching, and global interceptor patterns to ensure correct, high‑performance time processing in backend systems.

Java 8Timezonebackend
0 likes · 7 min read
Avoid Date Bugs: Thread‑Safe Formatting and Time‑Zone Mastery in Java
DeWu Technology
DeWu Technology
Apr 21, 2025 · Backend Development

Design and Evolution of a Unified Exchange Mall Middleware Platform

The unified exchange mall middleware platform consolidates disparate points‑redemption and lottery flows into a four‑layer architecture—business, gameplay templates, domain models, and downstream services—offering standardized APIs, dynamic RPC routing, Redis‑based inventory control, anti‑fraud safeguards, and built‑in monitoring, thereby cutting development costs, enhancing maintainability, and ensuring system stability.

InventoryMonitoringRPC
0 likes · 18 min read
Design and Evolution of a Unified Exchange Mall Middleware Platform
Selected Java Interview Questions
Selected Java Interview Questions
Apr 21, 2025 · Backend Development

Refactoring Long if...else Chains in Java Backend Services

This article explains why lengthy if...else statements in a Java payment service violate design principles and demonstrates several backend‑focused refactoring techniques—annotation binding, dynamic bean naming, template methods, strategy‑factory, and chain‑of‑responsibility—to replace the conditional logic with clean, extensible patterns.

Design PatternsSpringbackend
0 likes · 14 min read
Refactoring Long if...else Chains in Java Backend Services
macrozheng
macrozheng
Apr 21, 2025 · Backend Development

Boost Your App with Meilisearch: Fast, Lightweight Search Engine Tutorial

This guide introduces Meilisearch, a lightweight, fast search engine with RESTful API, covering its features, Docker installation, index and settings management, document operations, and advanced search queries, while also showcasing a real‑world SpringBoot‑Vue e‑commerce project that integrates Meilisearch for instant, accurate results.

DockerIndexingMeilisearch
0 likes · 10 min read
Boost Your App with Meilisearch: Fast, Lightweight Search Engine Tutorial
Java Architecture Diary
Java Architecture Diary
Apr 21, 2025 · Backend Development

Mastering API Versioning in Spring Framework 7.0: Strategies and Code Samples

Spring Framework 7.0 introduces native API versioning support, enabling developers to manage multiple API versions through URI, request header, query parameter, and content negotiation strategies, with detailed implementation examples, customizable resolvers, and client-side usage via WebClient, ensuring backward compatibility and flexible version control.

JavaWebapi-versioning
0 likes · 11 min read
Mastering API Versioning in Spring Framework 7.0: Strategies and Code Samples
Java Captain
Java Captain
Apr 20, 2025 · Backend Development

Comprehensive Guide to JSON Conversion Using Fastjson in Java

This article provides a detailed tutorial on JSON fundamentals and demonstrates how to convert between Java objects, collections, maps, and JSON strings or objects using Alibaba's fastjson library, covering key‑value and array structures, code examples, and practical conversion scenarios.

Data SerializationFastjsonJava
0 likes · 11 min read
Comprehensive Guide to JSON Conversion Using Fastjson in Java
Java Captain
Java Captain
Apr 18, 2025 · Backend Development

Career Development and Knowledge Building for Java Backend Engineers

The article shares a Java backend developer’s personal reflections on work methods, building a systematic knowledge base, and early career planning, offering practical advice on attitude, growth mindset, balancing work and life, and navigating the evolving IT industry.

JavaWork Practicesbackend
0 likes · 13 min read
Career Development and Knowledge Building for Java Backend Engineers
Code Ape Tech Column
Code Ape Tech Column
Apr 18, 2025 · Backend Development

Dynamic Cron Expression Management in SpringBoot Scheduling

This article explains how to enable SpringBoot scheduling with @EnableScheduling and @Scheduled, describes the three scheduling modes (cron, fixedDelay, fixedRate), and provides a complete solution for dynamically updating, disabling, and re‑enabling Cron expressions at runtime using custom interfaces and configuration classes.

CronJavaSpringBoot
0 likes · 10 min read
Dynamic Cron Expression Management in SpringBoot Scheduling
php Courses
php Courses
Apr 18, 2025 · Backend Development

Optimizing Email Sending with PHP Asynchronous Coroutines

This article explains how to improve the speed and stability of bulk email delivery in modern web applications by using PHP asynchronous coroutines, detailing the underlying principles, advantages over synchronous sending, and providing a complete code example with Swoole, PHPMailer, and channel coordination.

AsynchronousCoroutinesPHP
0 likes · 5 min read
Optimizing Email Sending with PHP Asynchronous Coroutines
IT Services Circle
IT Services Circle
Apr 17, 2025 · Backend Development

McDonald's Java Backend Interview Experience and Technical Q&A

This article shares a candidate's interview experience at McDonald's China Technology R&D Center, detailing salary expectations, work schedule, and an extensive technical Q&A covering IoC/DI, MyBatis, JVM memory and garbage‑collection algorithms, MySQL storage engines, concurrency, locking, RPC, HTTPS, Docker/Kubernetes commands, and Git workflows, while also including some promotional material.

DockerJavaKubernetes
0 likes · 22 min read
McDonald's Java Backend Interview Experience and Technical Q&A
macrozheng
macrozheng
Apr 17, 2025 · Backend Development

Mastering Rate Limiting: 4 Proven Strategies to Protect Your Services

Facing a sudden 35% error rate in a payment API, the article explores why unprotected services crash, then details four common rate‑limiting algorithms—fixed window, sliding window, leaky bucket, token bucket—offering Java implementations, real‑world case studies, pitfalls, and performance tuning tips for production systems.

Javabackendrate limiting
0 likes · 10 min read
Mastering Rate Limiting: 4 Proven Strategies to Protect Your Services
dbaplus Community
dbaplus Community
Apr 16, 2025 · Backend Development

How Ctrip’s Kafka Gatekeeper Boosts FinOps Data Quality and Automates Cost Governance

This article explains how Ctrip’s hybrid‑cloud FinOps billing system uses a custom Kafka Gatekeeper to detect, locate, and automatically remediate data‑quality issues across dozens of self‑built PaaS services, improving coverage, timeliness, and responsibility attribution while supporting high‑availability deployments.

FinOpsGatekeeperKafka
0 likes · 19 min read
How Ctrip’s Kafka Gatekeeper Boosts FinOps Data Quality and Automates Cost Governance
Architecture Digest
Architecture Digest
Apr 16, 2025 · Backend Development

Solving Backend Coupling Issues with a Dedicated TPS Microservice

This article analyzes the high coupling caused by multiple backend controllers and third‑party push interfaces, then proposes a dedicated TPS microservice that encapsulates third‑party calls via Feign, standardizes parameters, and reduces code duplication for frontend and backend systems.

CouplingFeignarchitecture
0 likes · 11 min read
Solving Backend Coupling Issues with a Dedicated TPS Microservice
JD Cloud Developers
JD Cloud Developers
Apr 16, 2025 · Backend Development

Master Spring Cache Annotations: @EnableCaching, @Cacheable, @CachePut, @CacheEvict Explained

This article explains how Spring's caching annotations—@EnableCaching, @Cacheable, @CachePut, and @CacheEvict—work together to simplify cache management, includes Maven dependency setup, configuration class, entity and service code, a full Spring Boot example, test cases, and visual illustrations of cache miss, hit, update, and eviction.

CacheRedisSpring
0 likes · 13 min read
Master Spring Cache Annotations: @EnableCaching, @Cacheable, @CachePut, @CacheEvict Explained
php Courses
php Courses
Apr 16, 2025 · Backend Development

Using PHP mysqli_query to Perform MySQL Queries

This article explains how the PHP mysqli_query function works with MySQL, provides a complete example for executing SELECT queries, and discusses its use for INSERT, UPDATE, DELETE operations along with result handling and related fetching functions.

DatabasePHPbackend
0 likes · 4 min read
Using PHP mysqli_query to Perform MySQL Queries
Xuanwu Backend Tech Stack
Xuanwu Backend Tech Stack
Apr 16, 2025 · Backend Development

When to Use RabbitMQ Transactions vs Confirm: Pros, Cons, and Code

This article explains RabbitMQ's transaction mechanism, outlines its basic workflow, core channel methods, provides a Java example, compares its advantages and disadvantages with the confirm mode, and offers guidance on choosing the appropriate approach for different scenarios.

JavaMessage BrokerTransactions
0 likes · 6 min read
When to Use RabbitMQ Transactions vs Confirm: Pros, Cons, and Code
Cognitive Technology Team
Cognitive Technology Team
Apr 15, 2025 · Backend Development

Common Pitfalls of Spring Transaction Management and How to Avoid Them

This article explains the typical reasons why Spring @Transactional annotations may fail—including AOP proxy limitations, method visibility, self‑invocation, exception handling, propagation settings, async execution, multiple data sources, and database constraints—and provides practical solutions to ensure reliable transaction behavior.

ExceptionRollbackbackend
0 likes · 6 min read
Common Pitfalls of Spring Transaction Management and How to Avoid Them
Java Tech Enthusiast
Java Tech Enthusiast
Apr 15, 2025 · Backend Development

Four Techniques for Handling CORS in SpringBoot Applications

The article explains what CORS is and presents four main approaches—using simple and pre‑flight request headers, configuring Nginx as a reverse proxy, adding a SpringBoot CorsConfig or CorsFilter bean, and delegating CORS to an API gateway—so developers can resolve cross‑origin issues in SpringBoot applications.

CORSConfigurationCross-Origin
0 likes · 5 min read
Four Techniques for Handling CORS in SpringBoot Applications
Java Web Project
Java Web Project
Apr 15, 2025 · Backend Development

Transform a Spring Boot CRUD Service into an AI‑Powered MCP Endpoint

This guide walks through converting a traditional Spring Boot book‑management API into a Model Context Protocol (MCP) service that can be invoked via natural‑language prompts, covering dependency setup, proxy configuration, @Tool annotations, MCP server registration, chat client wiring, data initialization, and end‑to‑end testing.

AI integrationChatClientMCP
0 likes · 17 min read
Transform a Spring Boot CRUD Service into an AI‑Powered MCP Endpoint
Architect's Tech Stack
Architect's Tech Stack
Apr 15, 2025 · Backend Development

The Chaotic Evolution of API Design: From Early AJAX to Post‑Restful Practices

This article narrates the messy history of API design, illustrating early AJAX conventions, the misuse of HTTP status codes, the challenges of maintaining Restful standards, ad‑hoc extensions, and the eventual abandonment of Restful in favor of a simplified POST‑centric approach, while highlighting practical lessons for backend developers.

APIDesignRESTful
0 likes · 6 min read
The Chaotic Evolution of API Design: From Early AJAX to Post‑Restful Practices
Senior Tony
Senior Tony
Apr 15, 2025 · Backend Development

How to Size Java Thread Pools: CPU vs I/O Strategies and Dynamic ThreadPool Solutions

This article explains two common approaches for configuring Java thread pools—static sizing based on CPU‑bound or I/O‑bound workloads and a formula‑driven method—then critiques their limits in real systems and introduces DynamicTp as a flexible, monitoring‑enabled alternative with code examples and architectural details.

CPU BoundDynamicThreadPoolI/O Bound
0 likes · 8 min read
How to Size Java Thread Pools: CPU vs I/O Strategies and Dynamic ThreadPool Solutions
Top Architect
Top Architect
Apr 12, 2025 · Backend Development

Decoupling Front‑End and Back‑End with a Dedicated TPS Microservice for Third‑Party Push Integration

This article analyzes the coupling problems caused by multiple controller calls and third‑party push interfaces, proposes a TPS microservice to centralize third‑party interactions, demonstrates Java Feign interfaces and enum‑based routing, and shows how backend and frontend can achieve low‑coupling architecture while reducing code duplication.

API designCouplingFeign
0 likes · 9 min read
Decoupling Front‑End and Back‑End with a Dedicated TPS Microservice for Third‑Party Push Integration
Java Tech Enthusiast
Java Tech Enthusiast
Apr 12, 2025 · Backend Development

Understanding AtomicLong vs LongAdder in Java Concurrency

In high‑concurrency Java applications, LongAdder—introduced in JDK 8 and using partitioned cells to reduce contention—generally outperforms the single‑value AtomicLong, which relies on CAS and can cause CPU waste under heavy load, so Alibaba advises LongAdder for scalable distributed counters, though memory usage and workload specifics must be considered.

CASJavaatomiclong
0 likes · 7 min read
Understanding AtomicLong vs LongAdder in Java Concurrency
Architecture and Beyond
Architecture and Beyond
Apr 12, 2025 · Backend Development

How to Keep Your AIGC Service Stable: Queueing and Rate‑Limiting Strategies

This article explains why AIGC services need queueing systems and rate‑limiting, describes the user‑facing behaviors of both mechanisms, outlines design goals, compares queue and limiter implementations, and provides practical guidance on selecting middleware, monitoring, and integrating them into a production workflow.

AIGCMessage QueueMonitoring
0 likes · 28 min read
How to Keep Your AIGC Service Stable: Queueing and Rate‑Limiting Strategies
Architect's Guide
Architect's Guide
Apr 12, 2025 · Backend Development

Refactoring Data Validation with Java 8 Functional Interfaces

This article demonstrates how Java 8's functional interfaces, especially Function and SFunction, can be used to abstract and reuse data‑validation logic, dramatically reducing boilerplate code, improving readability, and making validation rules easier to maintain and extend.

Functional ProgrammingJavaLambda
0 likes · 12 min read
Refactoring Data Validation with Java 8 Functional Interfaces
Architect
Architect
Apr 11, 2025 · Backend Development

Which API Architecture Fits Your Project? RPC, SOAP, REST, or GraphQL Compared

This article compares four major API architectural styles—RPC, SOAP, REST, and GraphQL—by detailing their mechanisms, advantages, disadvantages, and typical use cases, and then provides guidance on selecting the most suitable style based on language, environment, and resource constraints.

APIComparisonGraphQL
0 likes · 21 min read
Which API Architecture Fits Your Project? RPC, SOAP, REST, or GraphQL Compared
Selected Java Interview Questions
Selected Java Interview Questions
Apr 10, 2025 · Backend Development

Understanding PageHelper Issues and ThreadLocal Pitfalls in MyBatis

This article analyzes unexpected behaviors caused by PageHelper in a Java backend project, such as duplicate user registration, limited query results, and password‑reset errors, and explains how ThreadLocal pagination parameters, startPage(), and cleanup mechanisms lead to these problems while offering practical debugging tips.

MyBatisPaginationSQL
0 likes · 11 min read
Understanding PageHelper Issues and ThreadLocal Pitfalls in MyBatis
JD Tech Talk
JD Tech Talk
Apr 10, 2025 · Backend Development

Proper RPC Interface Design: Avoiding Result Wrappers and Using Exceptions

The article explains why designing RPC interfaces with generic Result objects that contain errorCode, errorMessage and data defeats RPC's purpose, and demonstrates how returning plain business objects and leveraging Java exceptions leads to cleaner, more maintainable backend code.

JavaRPCSoftware Architecture
0 likes · 8 min read
Proper RPC Interface Design: Avoiding Result Wrappers and Using Exceptions
Code Ape Tech Column
Code Ape Tech Column
Apr 9, 2025 · Backend Development

Using @JsonView in Spring to Control JSON Serialization of Fields

This article explains how the Jackson @JsonView annotation can be used in Spring back‑end projects to selectively serialize object fields, reduce bandwidth, improve security, and handle nested associations by defining view interfaces and applying them on entity fields and controller methods.

@JsonViewJacksonJava
0 likes · 8 min read
Using @JsonView in Spring to Control JSON Serialization of Fields
Java Backend Technology
Java Backend Technology
Apr 9, 2025 · Backend Development

Master Spring Annotations: From @RequestMapping to @Conditional – A Complete Backend Guide

This comprehensive guide explains the most common Spring MVC and Spring Boot annotations—including @RequestMapping, @GetMapping, @Autowired, @Component, @Scope, and conditional annotations—detailing their purposes, configuration attributes, and practical code examples to help Java backend developers write cleaner, more maintainable code.

DependencyInjectionSpringSpringBoot
0 likes · 14 min read
Master Spring Annotations: From @RequestMapping to @Conditional – A Complete Backend Guide
Selected Java Interview Questions
Selected Java Interview Questions
Apr 8, 2025 · Backend Development

Authentication Implementation: Choosing Between JWT and Session in Backend Development

This article explains the technical selection between JWT and session for authentication, compares their differences, advantages, and disadvantages, and provides a complete Java implementation—including token generation, Redis storage, login/logout, password update, and request interception—demonstrating why JWT was chosen for a distributed backend system.

JWTRedisauthentication
0 likes · 13 min read
Authentication Implementation: Choosing Between JWT and Session in Backend Development
php Courses
php Courses
Apr 8, 2025 · Backend Development

Applying Prefix Sum Technique in PHP for Efficient Subarray Sum Queries

This article explains the concept of prefix sums, demonstrates how to build and use a prefix‑sum array in PHP with clear code examples, and discusses when the technique is advantageous and its limitations, enabling O(1) interval sum queries after an O(n) preprocessing step.

AlgorithmPHPPerformance
0 likes · 10 min read
Applying Prefix Sum Technique in PHP for Efficient Subarray Sum Queries
Nightwalker Tech
Nightwalker Tech
Apr 8, 2025 · Fundamentals

Cursor Development Rules Configuration for Backend, Frontend, and Android Projects

This document presents a comprehensive set of Cursor development rules covering backend (Golang/Java), frontend (TypeScript with React/Vue), and Android (Kotlin/Java) environments, including general principles, automation and safety policies, code quality optimization, architecture awareness, and change traceability, with copy‑ready appendices.

backendbest practicescoding guidelines
0 likes · 24 min read
Cursor Development Rules Configuration for Backend, Frontend, and Android Projects
Su San Talks Tech
Su San Talks Tech
Apr 8, 2025 · Backend Development

Mastering Rate Limiting: Practical Algorithms and Real‑World Cases

This article explains why rate limiting is essential for high‑traffic services, compares four classic algorithms (fixed‑window, sliding‑window, leaky‑bucket, token‑bucket), provides Java and Redis implementations, shares production case studies, highlights common pitfalls, and offers performance‑tuning tips for robust backend systems.

Redisbackenddistributed systems
0 likes · 11 min read
Mastering Rate Limiting: Practical Algorithms and Real‑World Cases
ITPUB
ITPUB
Apr 7, 2025 · Operations

Diagnose HTTP Service Latency with httpstat: A Step‑by‑Step Guide

Learn how to install Go, set up the httpstat tool, and use it to break down HTTP request phases—DNS lookup, TCP connection, TLS handshake, server processing, and content transfer—to quickly pinpoint network or service latency issues.

Command LineHTTP debuggingbackend
0 likes · 7 min read
Diagnose HTTP Service Latency with httpstat: A Step‑by‑Step Guide
Architecture Digest
Architecture Digest
Apr 6, 2025 · Backend Development

Design and Implementation of a General‑Purpose Asynchronous Processing SDK for Backend Systems

This article introduces a reusable asynchronous processing SDK built on Spring, Kafka, and MySQL that leverages @AsyncExec annotations, transactional event listeners, and configurable thread pools to ensure reliable, non‑blocking execution, data consistency, and fault‑tolerant handling of business logic in backend applications.

Kafkaasyncbackend
0 likes · 8 min read
Design and Implementation of a General‑Purpose Asynchronous Processing SDK for Backend Systems
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 5, 2025 · Backend Development

Master Spring Boot 3: 110 Real-World Cases and Advanced Configuration Tricks

This article presents a curated collection of 110 Spring Boot 3 practical examples, covering @Profile usage, PropertySource configuration, resource loading, bean validation, and automatic proxy creation, providing developers with hands‑on code snippets and clear explanations to enhance backend development skills.

Bean Validationannotationsbackend
0 likes · 8 min read
Master Spring Boot 3: 110 Real-World Cases and Advanced Configuration Tricks
Ma Wei Says
Ma Wei Says
Apr 5, 2025 · Backend Development

Ensuring Accurate Inventory Deduction in High‑Concurrency Sales with Redis

This article explains why simple GET‑modify‑SET inventory updates cause overselling in flash‑sale spikes and presents several Redis‑based solutions—including Lua scripts, WATCH‑based optimistic locks, distributed SETNX locks, and asynchronous queue processing—detailing their implementation, advantages, and trade‑offs.

InventoryLua ScriptRedis
0 likes · 8 min read
Ensuring Accurate Inventory Deduction in High‑Concurrency Sales with Redis
Architecture Digest
Architecture Digest
Apr 3, 2025 · Backend Development

Real‑Time Streaming with Spring’s ResponseBodyEmitter: Concepts, Use Cases, and Code Example

This article explains the purpose, core methods, and practical scenarios of Spring Framework’s ResponseBodyEmitter, compares it with SSE and raw streaming, and provides a complete Spring Boot controller example that demonstrates how to implement real‑time log streaming and other asynchronous HTTP responses.

ResponseBodyEmitterSSEStreaming
0 likes · 9 min read
Real‑Time Streaming with Spring’s ResponseBodyEmitter: Concepts, Use Cases, and Code Example
Cognitive Technology Team
Cognitive Technology Team
Apr 2, 2025 · Backend Development

Understanding Rate Limiting: Importance, Types, Algorithms, and Implementation

This article explains the concept of rate limiting in system design, covering its importance, common use cases, various types, popular algorithms such as token bucket and leaky bucket, implementation across different system layers, and the challenges associated with configuring and scaling rate‑limiting solutions.

AlgorithmSystem Designbackend
0 likes · 10 min read
Understanding Rate Limiting: Importance, Types, Algorithms, and Implementation
Java Tech Enthusiast
Java Tech Enthusiast
Apr 2, 2025 · Backend Development

Understanding the Underlying Mechanism of Java HashMap

Java’s HashMap stores entries in a hash‑based array where a key’s hash determines the bucket index, resolves collisions with linked lists that become red‑black trees for long chains, resizes when the load factor exceeds 0.75, and requires ConcurrentHashMap for safe multithreaded updates, a core concept often asked in interviews.

HashMapJavabackend
0 likes · 6 min read
Understanding the Underlying Mechanism of Java HashMap
Top Architecture Tech Stack
Top Architecture Tech Stack
Apr 2, 2025 · Backend Development

Implementing a Dynamic IP Blacklist with Nginx, Lua, and Redis

This article explains how to set up a dynamic IP blacklist using Nginx, Lua scripts, and Redis, covering environment preparation, design options, configuration of nginx.conf, Lua script implementation, and advanced features such as rate limiting, white‑listing, and automated detection to protect servers from malicious traffic.

IP blacklistLuaRedis
0 likes · 9 min read
Implementing a Dynamic IP Blacklist with Nginx, Lua, and Redis
Su San Talks Tech
Su San Talks Tech
Apr 2, 2025 · Backend Development

How to Import Millions of Excel Rows in Seconds: 4 Proven Performance Hacks

This article analyzes why traditional Excel import methods crash under massive loads and presents four practical optimization techniques—including streaming parsing, batch inserts, asynchronous processing, and parallel sharding—backed by code samples, configuration tips, and real‑world performance benchmarks for importing millions of rows efficiently.

Batch ProcessingExcel importJava
0 likes · 10 min read
How to Import Millions of Excel Rows in Seconds: 4 Proven Performance Hacks
Python Programming Learning Circle
Python Programming Learning Circle
Apr 1, 2025 · Backend Development

Simple Basketball Information Management System with Django

This article presents a simple basketball information management system built with Django, detailing CRUD operations for player data, pagination logic, and corresponding HTML templates for both admin and front‑end interfaces, accompanied by full source code snippets and screenshots of the resulting pages.

CRUDWeb Developmentbackend
0 likes · 12 min read
Simple Basketball Information Management System with Django
php Courses
php Courses
Mar 31, 2025 · Backend Development

PHP Ecosystem in 2025: New Language Features, Framework Trends, Design Patterns, and Emerging Applications

The 2025 PHP ecosystem overview details the language’s new features such as enhanced generics and fibers, performance improvements via JIT and OPcache, evolving best practices, the latest trends in major and micro frameworks, modern design pattern implementations, cloud‑native deployment, AI integration, and future directions.

Design PatternsFrameworksPHP
0 likes · 17 min read
PHP Ecosystem in 2025: New Language Features, Framework Trends, Design Patterns, and Emerging Applications
php Courses
php Courses
Mar 31, 2025 · Backend Development

Implementing Map Zoom with AMap API in PHP

This tutorial explains how to use the AMap (Gaode) Map API in PHP to add a map zoom feature to a web page, covering API key acquisition, library inclusion, map instance creation, container setup, initial zoom level, control addition, and final display with complete code examples.

Amap APIMap ZoomPHP
0 likes · 5 min read
Implementing Map Zoom with AMap API in PHP
Practical DevOps Architecture
Practical DevOps Architecture
Mar 31, 2025 · Backend Development

Understanding the Nginx try_files Directive

The article explains how Nginx's try_files directive, introduced after version 0.7, attempts to serve static files by checking the $uri and $uri/ variables, falls back to a named location when files are missing, and can replace traditional rewrite rules for more efficient request handling.

ConfigurationRewritebackend
0 likes · 4 min read
Understanding the Nginx try_files Directive
MaGe Linux Operations
MaGe Linux Operations
Mar 29, 2025 · Backend Development

Master Strong and Weak Cache with Nginx: Boost Web Performance

This guide explains the concepts of strong (expires‑based) and weak (validation‑based) HTTP caching, details the relevant response headers, provides Nginx configuration examples for each strategy, compares their behaviors and suitable use cases, and offers best‑practice tips and debugging tools to improve website performance.

Strong CacheWeb Performancebackend
0 likes · 7 min read
Master Strong and Weak Cache with Nginx: Boost Web Performance
Top Architect
Top Architect
Mar 27, 2025 · Backend Development

Why SpringBoot 3.0 Removed spring.factories and Introduced the Imports Mechanism

SpringBoot 3.0 eliminates the long‑standing spring.factories file due to startup performance penalties, lack of modular support, static configuration limits, and incompatibility with GraalVM native images, and replaces it with a set of imports files that provide clearer, faster, and more modular auto‑configuration registration.

GraalVMSpringBootbackend
0 likes · 15 min read
Why SpringBoot 3.0 Removed spring.factories and Introduced the Imports Mechanism
Top Architect
Top Architect
Mar 27, 2025 · Backend Development

Liteflow Rule Engine: Concepts, Usage, and Business Practice

This article introduces Liteflow, a lightweight yet powerful Java rule engine, explains its architecture, demonstrates how to configure and use it with Spring Boot, shows component types and EL rule files, and provides a real‑world e‑commerce workflow example with code snippets.

backend
0 likes · 13 min read
Liteflow Rule Engine: Concepts, Usage, and Business Practice
php Courses
php Courses
Mar 27, 2025 · Backend Development

Simplifying Laravel API Requests with SaloonPHP Laravel Plugin

This article introduces the SaloonPHP Laravel Plugin, explains how to install it, demonstrates creating request classes and using them in services, and highlights features like caching and retries that streamline API request management in Laravel projects.

APIPHPPlugin
0 likes · 3 min read
Simplifying Laravel API Requests with SaloonPHP Laravel Plugin
php Courses
php Courses
Mar 25, 2025 · Backend Development

Accurate MIME Type Detection in PHP with league/mime-type-detection

This article explains how to install and use the league/mime-type-detection library in PHP to reliably detect MIME types via file content, extensions, or both, offering code examples, lookup features, and a discussion of its advantages for backend file‑handling systems.

MIME typePHPbackend
0 likes · 4 min read
Accurate MIME Type Detection in PHP with league/mime-type-detection
Top Architecture Tech Stack
Top Architecture Tech Stack
Mar 25, 2025 · Information Security

Designing Secure Third‑Party API Interfaces: Authentication, Signature, and Best Practices

This guide details a secure third‑party API design, covering API key generation, request signing with timestamps and nonces, permission division, CRUD endpoint definitions, unified response structures, and best‑practice security measures such as HTTPS, IP whitelisting, rate limiting, logging, and idempotency handling.

API securityJavaSignature
0 likes · 29 min read
Designing Secure Third‑Party API Interfaces: Authentication, Signature, and Best Practices
JD Tech
JD Tech
Mar 24, 2025 · Backend Development

SQL Coloring Plugin for MyBatis: Design, Implementation, and Usage Guide

This article describes a lightweight, non‑intrusive MyBatis plugin that adds identifiable coloring comments to SQL statements—embedding statementId, pFinderId, and optional custom data—to simplify SQL source tracing, improve slow‑SQL analysis, and support SELECT, INSERT, UPDATE, DELETE operations with minimal performance overhead.

JavaMyBatisPerformance
0 likes · 12 min read
SQL Coloring Plugin for MyBatis: Design, Implementation, and Usage Guide
Top Architecture Tech Stack
Top Architecture Tech Stack
Mar 24, 2025 · Backend Development

Using Spring's ResponseBodyEmitter for Real‑Time Log Streaming

This article explains how Spring Framework's ResponseBodyEmitter enables real‑time, chunked HTTP responses for use cases such as log streaming, progress updates, chat, and AI output, detailing its advantages over SSE, usage scenarios, core methods, a complete controller example, and best‑practice considerations.

JavaResponseBodyEmitterSpring Boot
0 likes · 9 min read
Using Spring's ResponseBodyEmitter for Real‑Time Log Streaming
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 22, 2025 · Backend Development

Mastering If‑Else: 9 Proven Techniques to Simplify Java Logic

This article presents nine practical techniques—including the Strategy pattern, lambda maps, Optional chaining, ternary operators, enums, early returns, condition merging, and rule engines—to replace cumbersome if‑else chains in Java, offering cleaner, more maintainable and performant code for Spring Boot developers.

JavaSpring Bootbackend
0 likes · 9 min read
Mastering If‑Else: 9 Proven Techniques to Simplify Java Logic
php Courses
php Courses
Mar 21, 2025 · Backend Development

Generating Heatmaps with Baidu Map API in PHP

This article explains how to create and display heatmaps in a PHP project by integrating the Baidu Map API, covering prerequisite setup, library inclusion, data preparation, heatmap generation using the HeatMap class, and rendering the map with JavaScript on a web page.

Baidu Map APIGISPHP
0 likes · 5 min read
Generating Heatmaps with Baidu Map API in PHP
Code Mala Tang
Code Mala Tang
Mar 21, 2025 · Backend Development

How to Implement Rate Limiting in FastAPI with SlowAPI

This tutorial explains how to add request rate limiting to a FastAPI application using the SlowAPI library, covering both IP‑based limits and custom token‑based strategies, with installation steps, code examples, and best‑practice recommendations.

FastAPIPythonSlowAPI
0 likes · 5 min read
How to Implement Rate Limiting in FastAPI with SlowAPI
Zhuanzhuan Tech
Zhuanzhuan Tech
Mar 20, 2025 · Backend Development

Implementing Geolocation‑Based Fraud Detection with Redis GEO Commands

This article outlines a fraud‑detection use case that leverages Redis GEO commands to compare user order addresses with known malicious locations, discusses technology choices among MySQL, Redis, and Elasticsearch, explains Redis’s Sorted‑Set and GeoHash implementation, and provides Java code examples for GEOADD, GEOPOS, GEODIST, and GEORADIUS.

GEOADDRedisbackend
0 likes · 9 min read
Implementing Geolocation‑Based Fraud Detection with Redis GEO Commands