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Top Architect
Top Architect
Sep 26, 2020 · Backend Development

My Journey of Reading Source Code: From Java Collections to Spring Boot and Quartz

The article shares the author's personal experience of reading source code—starting with Java collections, moving to Spring and MyBatis, diving deep into Spring Boot and Quartz integration, and offering practical tips such as using official guides, books, blogs, design‑pattern knowledge, and IDE breakpoint debugging to master backend frameworks.

Backend DevelopmentDebuggingJava
0 likes · 14 min read
My Journey of Reading Source Code: From Java Collections to Spring Boot and Quartz
Code Ape Tech Column
Code Ape Tech Column
Sep 24, 2020 · Backend Development

Master Spring Boot: From Project Creation to Hello World in Minutes

This guide walks through the fundamentals of Spring Boot, explaining its purpose, showing how to create a project with Spring Initializr, writing a Hello World REST controller, understanding starter dependencies, configuring properties, exploring the main application class annotations, and adding a simple unit test.

Backend DevelopmentJavaMaven
0 likes · 12 min read
Master Spring Boot: From Project Creation to Hello World in Minutes
FunTester
FunTester
Sep 23, 2020 · Backend Development

Getting Started with IntelliJ's Text-Based HTTP Client

This guide explains how to create .http/.rest files in IntelliJ, write and run GET requests, use variables and environment files, separate multiple requests, and share request definitions securely with a team, providing practical examples and code snippets.

API testingBackend DevelopmentHTTP client
0 likes · 5 min read
Getting Started with IntelliJ's Text-Based HTTP Client
macrozheng
macrozheng
Sep 23, 2020 · Operations

Essential Linux Commands Every Java Backend Engineer Should Master

This guide provides Java backend developers with a comprehensive collection of practical Linux commands for CentOS 7.6, covering system service management, file operations, compression, disk and network monitoring, as well as software installation and package management, all illustrated with clear examples and screenshots.

Backend DevelopmentCentOSLinux
0 likes · 12 min read
Essential Linux Commands Every Java Backend Engineer Should Master
Programmer DD
Programmer DD
Sep 23, 2020 · Backend Development

What’s New in Spring Boot 2.3.4, 2.2.10, and 2.1.17? Detailed Release Highlights

Spring Boot’s latest multi‑version release, now available via repo.spring.io and Maven Central, delivers critical bug fixes and a security patch for CVE‑2020‑5421, with detailed version‑specific changes for 2.3.4, 2.2.10, and 2.1.17, including the number of fixes and upgrade notes.

Backend DevelopmentBug FixesRelease Notes
0 likes · 3 min read
What’s New in Spring Boot 2.3.4, 2.2.10, and 2.1.17? Detailed Release Highlights
Programmer DD
Programmer DD
Sep 22, 2020 · Backend Development

What’s New in Java 15? 14 Game‑Changing Features You Must Know

Java 15, released in September 2020, brings fourteen major enhancements—including EdDSA signatures, hidden classes, reimplemented networking APIs, production‑grade ZGC and Shenandoah GCs, permanent text blocks, sealed classes, pattern‑matching instanceof, records, and foreign memory access—while showcasing significant contributions from Chinese tech firms to the OpenJDK community.

Backend DevelopmentJDK 15New Features
0 likes · 7 min read
What’s New in Java 15? 14 Game‑Changing Features You Must Know
Architect's Tech Stack
Architect's Tech Stack
Sep 21, 2020 · Backend Development

Overview of Tars: A High‑Performance RPC Framework and Service Governance Platform

The article introduces Tars, an open‑source high‑performance RPC framework and integrated service governance platform derived from Tencent's internal microservice architecture, detailing its design philosophy, layered architecture, core features such as the Tars protocol, load balancing, fault and overload protection, and centralized configuration management.

Backend DevelopmentRPCTars
0 likes · 11 min read
Overview of Tars: A High‑Performance RPC Framework and Service Governance Platform
JavaEdge
JavaEdge
Sep 16, 2020 · Backend Development

How RocketMQ Implements Distributed Transactional Messaging

This article explains the design and implementation of RocketMQ transactional messages, covering a complete order‑creation example, the producer’s transaction listener, the broker’s handling of half messages, transaction checks, and the final commit or rollback process.

Backend DevelopmentJavaTransactional Messaging
0 likes · 8 min read
How RocketMQ Implements Distributed Transactional Messaging
Tencent Cloud Developer
Tencent Cloud Developer
Sep 16, 2020 · Cloud Computing

Tencent Cloud API 3.0: Gateway Exploration and Architecture Practice

Tencent Cloud API 3.0 introduces a unified, secure, high‑performance API Gateway that centralizes access, routing, and lifecycle management for microservices, offering standardized interfaces, multi‑language SDKs, CLI and Explorer tools, precise rate limiting, rich documentation, and a roadmap toward industry‑wide standardization and broader scenario adoption.

API ManagementBackend DevelopmentCloud Computing
0 likes · 12 min read
Tencent Cloud API 3.0: Gateway Exploration and Architecture Practice
JavaEdge
JavaEdge
Sep 15, 2020 · Backend Development

How Kafka Uses ZooKeeper for Metadata Management and Client Coordination

This article explains how Kafka relies on ZooKeeper to store cluster metadata, detailing the ZK node hierarchy, the process by which clients locate brokers, the broker‑side handling of metadata requests, and recommended practices for large‑scale deployments.

Backend DevelopmentKafkaMetadata
0 likes · 8 min read
How Kafka Uses ZooKeeper for Metadata Management and Client Coordination
Efficient Ops
Efficient Ops
Sep 14, 2020 · Backend Development

How Eastern Securities Built a Multi-Language gRPC-Nebula Service Governance Platform

This article details Eastern Securities' journey from monolithic systems to a microservice architecture, describing the design and implementation of the gRPC-Nebula service governance framework and the Starry Service Governance Platform, their technical features, performance tests, multi‑language support, and the practical outcomes of the digital transformation.

Backend Developmentcloud-nativegRPC
0 likes · 34 min read
How Eastern Securities Built a Multi-Language gRPC-Nebula Service Governance Platform
Architects Research Society
Architects Research Society
Sep 14, 2020 · Backend Development

Canary Release for API Version Management: Concepts and ING Case Study

The article explains the challenges of API version control, introduces canary release as an alternative deployment strategy, and illustrates its practical implementation at ING Bank, highlighting benefits such as gradual rollout, easy rollback, and improved stability for continuously evolving APIs.

API VersioningBackend DevelopmentCanary Release
0 likes · 9 min read
Canary Release for API Version Management: Concepts and ING Case Study
FunTester
FunTester
Sep 12, 2020 · Operations

Load Testing Create and Delete Resource APIs with a Java Automation Script

This article walks through the design, parameterization, and Java implementation of load‑testing scripts for two related APIs—one that creates a resource and another that deletes it—covering special handling of duplicate IDs, method encapsulation with default arguments, concurrent execution, and visual result analysis.

APIBackend DevelopmentJava
0 likes · 7 min read
Load Testing Create and Delete Resource APIs with a Java Automation Script
Java Captain
Java Captain
Sep 12, 2020 · Backend Development

Java Function Refactoring Practices: Common Utilities, Large Function Splitting, and Code Simplification

This article presents a comprehensive guide for Java developers on improving code quality by introducing common utility functions, splitting oversized methods, ensuring consistent block levels, encapsulating repeated logic, reducing nesting depth, and eliminating unnecessary null‑checks, each illustrated with concrete code examples and clear recommendations.

Backend DevelopmentBest PracticesCode Refactoring
0 likes · 18 min read
Java Function Refactoring Practices: Common Utilities, Large Function Splitting, and Code Simplification
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Sep 12, 2020 · Backend Development

Spring MVC Introduction, Core Principles, and Source Code Analysis

This article introduces Spring MVC, explains the problems of mixing JSP and Servlets, details the MVC layered architecture, walks through essential configuration files and Maven dependencies, presents sample controller code, and analyzes the DispatcherServlet source to illustrate the complete request‑response flow in a Java web application.

Backend DevelopmentDispatcherServletJava
0 likes · 23 min read
Spring MVC Introduction, Core Principles, and Source Code Analysis
Programmer DD
Programmer DD
Sep 12, 2020 · Backend Development

What’s New in Hmily? A Deep Dive into the Latest Architecture and Roadmap

The article presents Hmily’s monthly report, detailing its high‑performance distributed transaction solution, recent architectural refactoring, newly added modules and SPI implementations, community‑driven bug fixes and feature releases, and outlines upcoming versions supporting TCC and TAC modes.

Backend DevelopmentHmilydistributed transactions
0 likes · 6 min read
What’s New in Hmily? A Deep Dive into the Latest Architecture and Roadmap
Laravel Tech Community
Laravel Tech Community
Sep 9, 2020 · Backend Development

Understanding PHP preg_replace: Syntax, Parameters, and Practical Examples

This article explains PHP's preg_replace function, detailing its signature, parameter meanings, return values, and providing multiple code examples that demonstrate pattern matching, backreferences, array handling, and replacement limits for effective string manipulation in backend development.

Backend DevelopmentPHPString Manipulation
0 likes · 6 min read
Understanding PHP preg_replace: Syntax, Parameters, and Practical Examples
Programmer DD
Programmer DD
Sep 8, 2020 · Backend Development

How to Land Lucrative Freelance Projects with a Ready‑Made SpringBoot Toolkit

This guide explains why programmers often keep side‑project work private, recommends a ready‑to‑use SpringBoot backend toolkit, lists popular freelance platforms, and offers practical advice on quoting, payment terms, contracts, and key tips for successful freelancing.

Backend DevelopmentSpringBootfreelance
0 likes · 7 min read
How to Land Lucrative Freelance Projects with a Ready‑Made SpringBoot Toolkit
Code Ape Tech Column
Code Ape Tech Column
Sep 6, 2020 · Backend Development

Deep Dive into MyBatis Core Architecture: The Six Swordmen and Essential Components

This article introduces MyBatis's underlying architecture by explaining the six core interfaces—SqlSession, Executor, StatementHandler, ParameterHandler, ResultSetHandler, and TypeHandler—detailing their roles, key methods, caching mechanisms, and how they are instantiated within a Spring Boot environment.

Backend DevelopmentExecutorJava
0 likes · 13 min read
Deep Dive into MyBatis Core Architecture: The Six Swordmen and Essential Components
Code Ape Tech Column
Code Ape Tech Column
Sep 4, 2020 · Backend Development

Master MyBatis Dynamic SQL: Essential Tags and Real-World Examples

This article explains MyBatis dynamic SQL, describing each core XML tag (if, choose/when/otherwise, where, foreach, set, sql, include), showing practical code snippets, and offering advanced tips such as avoiding magic numbers and referencing SQL fragments across mapper files.

Backend DevelopmentDynamic SQLJava
0 likes · 14 min read
Master MyBatis Dynamic SQL: Essential Tags and Real-World Examples
Java Captain
Java Captain
Sep 3, 2020 · Backend Development

Introducing Hutool: A Comprehensive Java Utility Library

Hutool is a popular open‑source Java utility library that consolidates common JDK functions into easy‑to‑use modules, offers numerous components such as AOP, caching, cryptography, and HTTP, and can be added via Maven or Gradle to streamline development and reduce repetitive code.

Backend DevelopmentGradleHutool
0 likes · 4 min read
Introducing Hutool: A Comprehensive Java Utility Library
JavaEdge
JavaEdge
Sep 2, 2020 · Backend Development

How Redis Handles File and Time Events: Inside the Event Loop

This article explains Redis server's event-driven architecture, detailing how file events (read/write) and time events are processed, illustrated with state diagrams, pseudocode, and examples that show the interaction, scheduling, and impact on server performance.

Backend DevelopmentFile EventsRedis
0 likes · 12 min read
How Redis Handles File and Time Events: Inside the Event Loop
MaGe Linux Operations
MaGe Linux Operations
Sep 2, 2020 · Backend Development

How to Run Celery Tasks with Redis Without a Web Framework

This guide explains how to configure Celery to use Redis as both broker and result backend, covering project layout, code setup, task definition, execution flow, task states, and common control operations for asynchronous Python workloads.

Async TasksBackend DevelopmentPython
0 likes · 6 min read
How to Run Celery Tasks with Redis Without a Web Framework
Tencent Cloud Developer
Tencent Cloud Developer
Sep 2, 2020 · Backend Development

Unlocking Language Limits in Tencent Cloud SCF with Custom Runtime

Tencent Cloud’s Serverless Cloud Function (SCF) removes its language restrictions by providing a Custom Runtime that runs any Linux binary or script as a bootstrap, communicates with SCF via an HTTP API during cold‑start initialization and hot‑start invocations, enabling developers to deploy functions in unsupported languages such as .NET, Rust, Deno, Swift or WebAssembly, as shown by a Deno example.

Backend DevelopmentCloud FunctionsCustom Runtime
0 likes · 8 min read
Unlocking Language Limits in Tencent Cloud SCF with Custom Runtime
Architecture Digest
Architecture Digest
Sep 2, 2020 · Backend Development

Understanding API Gateways, BFF, and Service Mesh in Microservice Architecture

The article explains microservice fundamentals, the challenges of client‑to‑service communication, and how API gateways, Backend‑for‑Frontend patterns, and Service Meshes address these issues while outlining key gateway features, popular implementations, and selection criteria for robust backend architectures.

BFFBackend DevelopmentService Mesh
0 likes · 12 min read
Understanding API Gateways, BFF, and Service Mesh in Microservice Architecture
macrozheng
macrozheng
Sep 2, 2020 · Backend Development

Boost Java Development with Hutool: 16 Essential Utility Classes Explained

This article introduces the Hutool Java utility library, showing how to install it via Maven and demonstrating 16 frequently used utility classes—including Convert, DateUtil, JSONUtil, StrUtil, and more—with concise code examples that illustrate simplifying common development tasks.

Backend DevelopmentHutoolJava
0 likes · 13 min read
Boost Java Development with Hutool: 16 Essential Utility Classes Explained
Dada Group Technology
Dada Group Technology
Sep 1, 2020 · Backend Development

Iterative Practices for High Availability Architecture in JD.com's Order System During 618 Sales

This event features an architect from JD.com's backend team discussing strategies for designing high-availability, high-performance order systems to handle massive concurrent orders during major sales events like 618, based on real-world case studies and Elastic technology implementations.

618 SalesBackend DevelopmentConcurrency
0 likes · 2 min read
Iterative Practices for High Availability Architecture in JD.com's Order System During 618 Sales
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Aug 31, 2020 · Backend Development

Using Java Annotations for Log Masking and Bank API Request Simplification

This article explains how to employ custom Java annotations together with reflection to mask sensitive fields in logs, define flexible desensitization rules, and dramatically reduce repetitive code when building fixed‑length, signed bank API requests, improving maintainability and extensibility of backend services.

Backend DevelopmentBank APICode Reuse
0 likes · 21 min read
Using Java Annotations for Log Masking and Bank API Request Simplification
58 Tech
58 Tech
Aug 28, 2020 · Backend Development

Design and Implementation of a Cloud‑Based Shared Proxy Tool for Team Collaboration

This article presents a cloud‑based shared proxy solution that addresses common pain points of local proxy tools by enabling multi‑user configuration sharing, isolation, mock & host management, data persistence, analysis, and monitoring, thereby improving development and testing efficiency for teams.

Backend DevelopmentData PersistenceNetwork Monitoring
0 likes · 19 min read
Design and Implementation of a Cloud‑Based Shared Proxy Tool for Team Collaboration
ITPUB
ITPUB
Aug 27, 2020 · Backend Development

Why Go Could Be the Top Backend Language in 2021

Analyzing recent Stack Overflow surveys and GitHub trends, this article explains why Go's efficiency, simplicity, and rising popularity make it a strong contender for the best backend programming language in 2021, even as JavaScript and Python dominate the market.

Backend DevelopmentGitHubGo
0 likes · 6 min read
Why Go Could Be the Top Backend Language in 2021
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Aug 26, 2020 · Backend Development

Interview Experience and Technical Q&A for a Java Backend Position at Tencent Cloud (Xi'an)

The article shares the author's recent move to Xi'an, discusses the local job market, and provides detailed interview questions and answers on Java backend topics such as Redis replication, Kafka performance, MySQL transactions, and JVM garbage collection to help job seekers prepare effectively.

Backend DevelopmentInterviewJVM
0 likes · 8 min read
Interview Experience and Technical Q&A for a Java Backend Position at Tencent Cloud (Xi'an)
Java Architect Essentials
Java Architect Essentials
Aug 25, 2020 · Backend Development

Understanding Kafka: Core Concepts, Architecture, and Performance Secrets

This article explains Kafka's role as a message system, details its fundamental components such as topics, partitions, producers, consumers, and replicas, describes how Zookeeper coordinates the cluster, and explores performance optimizations like sequential writes, zero‑copy, and network design.

Backend DevelopmentDistributed SystemsKafka
0 likes · 12 min read
Understanding Kafka: Core Concepts, Architecture, and Performance Secrets
dbaplus Community
dbaplus Community
Aug 23, 2020 · Backend Development

Implementing Graceful Shutdown for Java Microservices with ShutdownHook

This article explains why abrupt service restarts cause "Can not get connection to server" errors in Zookeeper‑based microservices and details a Java ShutdownHook solution that deregisters instances, processes in‑flight requests, and prevents client‑side failures during graceful shutdown.

Backend DevelopmentGraceful ShutdownJava
0 likes · 8 min read
Implementing Graceful Shutdown for Java Microservices with ShutdownHook
Programmer DD
Programmer DD
Aug 23, 2020 · Backend Development

How Short URLs Work: Theory, Design, and a Java Implementation

This article explains why short URLs are used in spam SMS, outlines their benefits, describes the basic principle of mapping long URLs to short ones, and details service design choices such as storage, one‑to‑one mapping, high‑concurrency handling, distributed ID generation, and provides a Java implementation using Redis.

Backend DevelopmentDistributed SystemsRedis
0 likes · 11 min read
How Short URLs Work: Theory, Design, and a Java Implementation
Architecture Digest
Architecture Digest
Aug 23, 2020 · Backend Development

End-to-End Performance Optimization of a High-Concurrency SSM E‑Commerce System

This article presents a comprehensive, practical case study of diagnosing and resolving high‑concurrency performance issues in an SSM‑based e‑commerce system, covering architecture overview, problem identification, root‑cause analysis, JVM/Tomcat/Redis/MySQL tuning, load‑balancing, and post‑optimization monitoring results.

Backend DevelopmentJVM OptimizationPerformance tuning
0 likes · 8 min read
End-to-End Performance Optimization of a High-Concurrency SSM E‑Commerce System
Java Captain
Java Captain
Aug 21, 2020 · Backend Development

Creating Custom Annotations for Validation, Permission, and Caching in Java Backend Development

This article explains how to design and implement custom Java annotations for field validation, permission checks, and caching, covering annotation definitions, target and retention policies, validator classes, interceptor and aspect implementations, and practical usage examples within Spring MVC.

Aspect Oriented ProgrammingBackend DevelopmentCustom Annotations
0 likes · 9 min read
Creating Custom Annotations for Validation, Permission, and Caching in Java Backend Development
FunTester
FunTester
Aug 19, 2020 · Backend Development

How to Overload Groovy Operators for JSONPath Validation

The article explains how to use Groovy's operator‑overloading features to create a JSONPath‑style verification DSL, detailing which operators are implemented, the challenges with sign‑conversion operators, and providing a full example class with logging for each overloaded operator.

API testingBackend DevelopmentDSL
0 likes · 5 min read
How to Overload Groovy Operators for JSONPath Validation
MaGe Linux Operations
MaGe Linux Operations
Aug 13, 2020 · Backend Development

Cutting a 37‑Second API Call to 1.5 Seconds with Python Flask Profiling

When a business platform’s settings page took 36 seconds to load, we used Chrome’s Network timing, Python profiling, and MySQL query analysis to identify backend bottlenecks, then applied redesign, thread‑pooling, batch queries, and ORM optimizations, reducing response time from 37.6 s to 1.47 s.

Backend DevelopmentFlaskMySQL
0 likes · 9 min read
Cutting a 37‑Second API Call to 1.5 Seconds with Python Flask Profiling
Java Architecture Diary
Java Architecture Diary
Aug 10, 2020 · Backend Development

What’s New in ElasticJob 3.0.0‑alpha? Features, API Changes, and Release Highlights

ElasticJob 3.0.0‑alpha introduces a Spring Boot starter for ElasticJob‑Lite, one‑time tasks, expanded database support for execution logs, environment‑variable IP declaration, and several API changes including a new Maven groupId, package name, namespace, SPI‑based job types, and modular UI separation.

API changesBackend DevelopmentDistributed Scheduling
0 likes · 3 min read
What’s New in ElasticJob 3.0.0‑alpha? Features, API Changes, and Release Highlights
Selected Java Interview Questions
Selected Java Interview Questions
Aug 9, 2020 · Backend Development

Java Exception Architecture, Keywords, Handling, and Common Interview Questions

This article provides a comprehensive overview of Java's exception hierarchy, key keywords, handling techniques, common interview questions, and best‑practice guidelines, illustrating concepts with numerous code examples to help developers write robust and maintainable backend code.

Backend DevelopmentCode ExamplesInterview Questions
0 likes · 33 min read
Java Exception Architecture, Keywords, Handling, and Common Interview Questions
Youku Technology
Youku Technology
Aug 7, 2020 · Cloud Computing

Alibaba's FaaS Platform for Content Distribution: Design and Implementation

Alibaba’s FaaS platform for Youku content distribution replaces traditional Java services with a gateway‑driven, containerized function runtime and one‑stop development/ops portal, delivering low‑cost development, isolated JVM execution, transparent monitoring, and rapid API and data‑source integration, dramatically speeding iteration while addressing classloader and lifecycle challenges.

AlibabaBackend DevelopmentContent Distribution
0 likes · 15 min read
Alibaba's FaaS Platform for Content Distribution: Design and Implementation
macrozheng
macrozheng
Aug 6, 2020 · Backend Development

When ‘No‑Comment’ Java Code Triggers a Memory Leak – A ConcurrentHashMap Study

A newly hired architect boasts high‑concurrency expertise but writes un‑commented Java code that misuses ConcurrentHashMap, leading to memory leaks; the ensuing investigation reveals missing equals/hashCode implementations, race conditions in a visit method, and a debate between synchronized blocks and putIfAbsent for safe updates.

Backend DevelopmentConcurrentHashMapJava
0 likes · 8 min read
When ‘No‑Comment’ Java Code Triggers a Memory Leak – A ConcurrentHashMap Study
Alibaba Cloud Developer
Alibaba Cloud Developer
Aug 5, 2020 · Cloud Computing

How Alibaba’s FaaS Platform Boosts Content Delivery with Serverless Tech

This article outlines the design, key technical challenges, and practical implementation of Alibaba’s Youku FaaS platform, detailing its architecture, runtime environment, development workflow, and how serverless functions improve development efficiency, deployment speed, resource isolation, and operational monitoring for large‑scale content distribution.

Backend DevelopmentCloud ComputingContent Distribution
0 likes · 17 min read
How Alibaba’s FaaS Platform Boosts Content Delivery with Serverless Tech
Big Data Technology Architecture
Big Data Technology Architecture
Aug 5, 2020 · Backend Development

Application Layering Best Practices and Alibaba Specification

The article explains common misconceptions about application layering, presents Alibaba's multi‑layer architecture (open‑interface, terminal display, web, service, manager, DAO), proposes an optimized layering model with RPC, and discusses domain‑model conversions such as DO, DTO, BO, AO, VO and Query to achieve clear responsibilities and maintainable code.

Alibaba standardsBackend DevelopmentLayered Architecture
0 likes · 8 min read
Application Layering Best Practices and Alibaba Specification
Selected Java Interview Questions
Selected Java Interview Questions
Aug 3, 2020 · Backend Development

Understanding Spring Boot’s Auto‑Configuration and “Convention over Configuration” Principles

This article explains how Spring Boot simplifies Java application development by providing out‑of‑the‑box starters, automatic configuration via spring.factories, and convention‑over‑configuration rules, covering the underlying annotations, Maven structure, starter dependencies, main class, and the use of @ConfigurationProperties to bind YAML settings.

Backend DevelopmentConvention over ConfigurationJava
0 likes · 25 min read
Understanding Spring Boot’s Auto‑Configuration and “Convention over Configuration” Principles
Selected Java Interview Questions
Selected Java Interview Questions
Aug 2, 2020 · Fundamentals

Understanding Java HashSet: Overview, Constructors, add/remove Methods, Traversal, and Related Set Implementations

This article explains the internal workings of Java's HashSet, covering its overview, various constructors, the add and remove operations implemented via HashMap, traversal techniques, and how LinkedHashSet and TreeSet extend HashSet functionality, providing code examples and conceptual diagrams.

Backend DevelopmentCollectionsJava
0 likes · 10 min read
Understanding Java HashSet: Overview, Constructors, add/remove Methods, Traversal, and Related Set Implementations
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Aug 2, 2020 · Backend Development

Pros and Cons of Using Lombok in Java Development

This article examines Lombok's ability to auto‑generate boilerplate code such as getters, setters, toString, and equals, demonstrates its usage with Maven dependencies and annotated examples, and discusses its advantages and drawbacks—including IDE reliance, JDK compatibility, and debugging challenges—before concluding with a recommendation for its selective use.

Backend DevelopmentJavaLombok
0 likes · 9 min read
Pros and Cons of Using Lombok in Java Development
Programmer DD
Programmer DD
Aug 2, 2020 · Backend Development

How to Solve Session Sharing and Cache Issues in Distributed Systems

This article explains how to handle session sharing in distributed systems through replication, sticky sessions, or a dedicated session server, and addresses cache penetration and avalanche issues with practical mitigation techniques such as request filtering, empty-object caching, hash repositories, Redis clustering, staggered expirations, and concurrency controls.

Backend DevelopmentDistributed SystemsSession Management
0 likes · 6 min read
How to Solve Session Sharing and Cache Issues in Distributed Systems
Python Crawling & Data Mining
Python Crawling & Data Mining
Aug 1, 2020 · Backend Development

Build a Flask‑Elasticsearch Search Engine: Config, Logging, Routing & Deployment Guide

This tutorial walks you through creating a Flask‑based search engine powered by Elasticsearch, covering configuration files, logging setup, blueprint routing with pagination, project startup using Flask‑Script, and production deployment with Gunicorn, complete with code examples and essential tips.

Backend DevelopmentElasticsearchFlask
0 likes · 11 min read
Build a Flask‑Elasticsearch Search Engine: Config, Logging, Routing & Deployment Guide
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Jul 29, 2020 · Backend Development

Design and Implementation of an Access‑Layer API Gateway with OpenResty

This article explains the role of an access‑layer gateway, presents its architecture and implementation using OpenResty, discusses technical selection, details OpenResty’s underlying Nginx/Lua mechanisms, and shows how to achieve dynamic routing, plugin‑based policies, shared data, and upstream configuration without service reloads.

Backend DevelopmentDynamic ConfigurationLua
0 likes · 16 min read
Design and Implementation of an Access‑Layer API Gateway with OpenResty
Alibaba Cloud Developer
Alibaba Cloud Developer
Jul 27, 2020 · Fundamentals

How Alibaba Entertainment Uses Domain‑Driven Design to Tackle Complex Systems

This article explains the concepts of Domain‑Driven Design, why it has gained traction in China’s internet industry, and how Alibaba Entertainment applies strategic and tactical DDD practices—such as model annotation, health‑check, and hexagonal architecture—to improve scalability, readability, and maintainability of its micro‑service systems.

Backend DevelopmentDomain-Driven DesignHexagonal Architecture
0 likes · 13 min read
How Alibaba Entertainment Uses Domain‑Driven Design to Tackle Complex Systems
Senior Brother's Insights
Senior Brother's Insights
Jul 26, 2020 · Backend Development

How Spring Boot Auto‑Configuration Works: Deep Dive into @EnableAutoConfiguration

This article explains Spring Boot's auto‑configuration mechanism, detailing the roles of starters, spring.factories, @EnableAutoConfiguration, related annotations, and the AutoConfigurationImportSelector, while showing source code examples and how to customize or disable specific auto‑configurations.

Backend DevelopmentJavaSpring Boot
0 likes · 12 min read
How Spring Boot Auto‑Configuration Works: Deep Dive into @EnableAutoConfiguration
21CTO
21CTO
Jul 25, 2020 · Backend Development

What PHP 8 Brings: Attributes, Match Expressions, Union Types & More

This article reviews PHP 8’s most impactful new features—including first‑class attributes, constructor property promotion, match expressions, union types, and named arguments—showing code examples and explaining how they modernize PHP development.

AttributesBackend DevelopmentPHP8
0 likes · 5 min read
What PHP 8 Brings: Attributes, Match Expressions, Union Types & More
Programmer DD
Programmer DD
Jul 23, 2020 · Backend Development

Why Consumers Should Lead API Design: Lessons from Real-World Mistakes

This article examines common pitfalls in API design, argues that the consumer of an interface should drive its design, and presents concrete examples and best‑practice recommendations for structuring endpoints, meta data, and choosing appropriate communication protocols.

Backend DevelopmentBest PracticesREST
0 likes · 15 min read
Why Consumers Should Lead API Design: Lessons from Real-World Mistakes
Laravel Tech Community
Laravel Tech Community
Jul 22, 2020 · Backend Development

PHP file_get_contents Function: Description, Parameters, Return Value, and Usage Examples

This article explains the PHP file_get_contents function, detailing its purpose of reading an entire file into a string, describing each parameter and return value, and providing multiple practical code examples demonstrating basic usage, include path handling, partial reads, and custom stream contexts.

Backend DevelopmentPHPfile-handling
0 likes · 3 min read
PHP file_get_contents Function: Description, Parameters, Return Value, and Usage Examples
Selected Java Interview Questions
Selected Java Interview Questions
Jul 16, 2020 · Backend Development

Understanding Thread Locks, Process Locks, and Distributed Locks in Distributed Systems

The article explains the differences between thread, process, and distributed locks, describes how distributed locks are implemented using third‑party storage like Redis or Zookeeper, and discusses their practical use cases, advantages, and design considerations in high‑concurrency backend applications.

Backend DevelopmentZookeeperdistributed-lock
0 likes · 11 min read
Understanding Thread Locks, Process Locks, and Distributed Locks in Distributed Systems
Programmer DD
Programmer DD
Jul 16, 2020 · Backend Development

How to Integrate EhCache into Spring Boot for Faster Data Access

This article explains how Spring Boot automatically detects cache providers, shows how to replace the default ConcurrentHashMap with EhCache by adding the dependency, configuring ehcache.xml, and verifying the CacheManager type through unit tests, providing complete code examples and step‑by‑step instructions.

Backend DevelopmentCacheManagerCaching
0 likes · 7 min read
How to Integrate EhCache into Spring Boot for Faster Data Access
Top Architect
Top Architect
Jul 15, 2020 · Backend Development

Graceful Shutdown in Spring Boot 2.3: Configuration, Usage, and Best Practices

This article explains how Spring Boot 2.3 provides built‑in graceful shutdown for embedded web servers, how to enable it with configuration, the role of the Shutdown enum and timeout settings, and additional techniques such as Actuator endpoints and signal handling to ensure safe application termination.

ActuatorBackend DevelopmentGraceful Shutdown
0 likes · 5 min read
Graceful Shutdown in Spring Boot 2.3: Configuration, Usage, and Best Practices
macrozheng
macrozheng
Jul 13, 2020 · Backend Development

Top 16 Spring Boot Best Practices for Robust Microservices

This article presents sixteen practical Spring Boot best‑practice recommendations—from using custom BOMs and auto‑configuration to structuring code, handling concurrency, externalizing configuration, and testing—aimed at building clean, maintainable, and production‑ready Java microservices.

Backend DevelopmentJavaSpring Boot
0 likes · 13 min read
Top 16 Spring Boot Best Practices for Robust Microservices
FunTester
FunTester
Jul 12, 2020 · Fundamentals

Why My First Project’s Bugs Vanished Quickly: Code Standards and Testing Insights

The author shares a first‑hand account of a newly launched backend project, explaining how strict coding standards, Groovy‑Java mixed development, and a pragmatic testing strategy—including limited unit testing, interface checks, and annotation‑based validation—enabled rapid bug resolution and a smooth release.

Backend DevelopmentGroovyJava
0 likes · 4 min read
Why My First Project’s Bugs Vanished Quickly: Code Standards and Testing Insights
360 Quality & Efficiency
360 Quality & Efficiency
Jul 10, 2020 · Backend Development

Introduction to Go Language: Overview, Environment Setup, Key Syntax, and Common Web Frameworks

This article introduces the Go programming language, guides readers through downloading and installing the Go toolchain, explains essential syntax such as slices, pointers, and channels with code examples, and surveys popular Go web frameworks like Beego, Iris, and Buffalo for backend development.

Backend DevelopmentGoTutorial
0 likes · 9 min read
Introduction to Go Language: Overview, Environment Setup, Key Syntax, and Common Web Frameworks
Top Architect
Top Architect
Jul 8, 2020 · Information Security

kk-anti-reptile: Spring Boot Anti‑Crawler Component and Integration Guide

The article introduces kk-anti-reptile, a Spring Boot‑based anti‑crawler component that uses servlet filters, Redis, and configurable rule chains (IP and User‑Agent), explains its workflow, shows Maven and property configurations, and provides front‑end Axios interception code for handling 509 responses.

Backend DevelopmentInformation SecurityRedis
0 likes · 6 min read
kk-anti-reptile: Spring Boot Anti‑Crawler Component and Integration Guide
Alibaba Cloud Developer
Alibaba Cloud Developer
Jul 6, 2020 · Backend Development

Why COLA 3.0 Ditches Complexity: An Ockham’s Razor‑Driven Redesign

COLA 3.0 removes unnecessary components such as Command, Interceptor, Convertor, Validator, and Assembler, applying Ockham’s razor to simplify the framework, improve readability, and reduce maintenance overhead while preserving essential extension points, illustrating how leaner architecture can enhance Java application development.

Backend DevelopmentCOLAJava
0 likes · 12 min read
Why COLA 3.0 Ditches Complexity: An Ockham’s Razor‑Driven Redesign
Top Architect
Top Architect
Jul 4, 2020 · Backend Development

Understanding VO, DTO, DO, and PO: Concepts, Differences, and Practical Applications

This article explains the definitions, distinctions, and practical usage of View Object (VO), Data Transfer Object (DTO), Domain Object (DO), and Persistent Object (PO) in layered software architecture, illustrating their roles, conversion processes, and design considerations for clean separation of concerns.

Backend DevelopmentDTODomain Object
0 likes · 16 min read
Understanding VO, DTO, DO, and PO: Concepts, Differences, and Practical Applications
iQIYI Technical Product Team
iQIYI Technical Product Team
Jul 3, 2020 · Backend Development

Restructuring of Voting Service for 'You Are My Youth 2' to Enhance Scalability and Maintainability

The voting service for 'You Are My Youth 2' was re‑architected using Docker‑based QAE and the Skywalker microservices platform, adding containerized one‑click scaling, cross‑data‑center MySQL/Couchbase/HBase high availability, and Hive/Impala real‑time processing, which doubled performance, cut preparation from 30 days to 12 hours, and incorporated third‑party audit verification.

Backend DevelopmentCloud ComputingData Processing
0 likes · 12 min read
Restructuring of Voting Service for 'You Are My Youth 2' to Enhance Scalability and Maintainability
Programmer DD
Programmer DD
Jul 2, 2020 · Backend Development

Mastering HTTP Status Codes: What Every Developer Should Know

This article provides a comprehensive overview of HTTP status codes—from informational 1xx responses to client‑error 4xx and server‑error 5xx codes—including the newer RFC 6585 codes, explaining their meanings and typical usage scenarios for developers.

Backend DevelopmentHTTPRFC6585
0 likes · 12 min read
Mastering HTTP Status Codes: What Every Developer Should Know
Programmer DD
Programmer DD
Jul 1, 2020 · Backend Development

Why Is Nginx So Fast? Inside Its Process and Event Model

This article explains Nginx's high performance by detailing its multi‑process architecture, asynchronous event‑driven I/O, request handling flow, module types, comparison with Apache, maximum connection calculations, HTTP request/response structure, and the differences among select, poll, and epoll.

Backend DevelopmentEvent-drivenProcess Model
0 likes · 9 min read
Why Is Nginx So Fast? Inside Its Process and Event Model
Architect's Tech Stack
Architect's Tech Stack
Jun 30, 2020 · Backend Development

Using Spring Boot Actuator and Spring Boot Admin for Application Monitoring

This article explains how to integrate Spring Boot Actuator for exposing health and metrics endpoints, configure security, disable specific endpoints, and visualize monitoring data using JConsole and Spring Boot Admin, including necessary Maven dependencies and code examples, while also noting a promotional interview‑question PDF resource.

ActuatorBackend DevelopmentJConsole
0 likes · 7 min read
Using Spring Boot Actuator and Spring Boot Admin for Application Monitoring
Laravel Tech Community
Laravel Tech Community
Jun 29, 2020 · Backend Development

PHP strncmp Function: Binary‑Safe String Comparison

The article explains PHP's strncmp function, a binary‑safe, case‑sensitive string comparison that compares the first N characters of two strings, detailing its syntax, parameters, return values, and providing practical code examples with expected outputs.

Backend DevelopmentPHPbinary safe
0 likes · 2 min read
PHP strncmp Function: Binary‑Safe String Comparison
Laravel Tech Community
Laravel Tech Community
Jun 28, 2020 · Backend Development

PHP strcmp() Function: Usage, Parameters, Return Values, and Examples

This article explains the PHP strcmp() function, describing its binary‑safe, case‑sensitive string comparison behavior, detailing its parameters and return values, and providing multiple code examples that illustrate how different string inputs affect the function’s output.

Backend DevelopmentCode ExamplePHP
0 likes · 2 min read
PHP strcmp() Function: Usage, Parameters, Return Values, and Examples
Architect's Alchemy Furnace
Architect's Alchemy Furnace
Jun 28, 2020 · Backend Development

Mastering Java Exception Handling and Global Error Management in Spring Boot

This article explains Java's throw‑catch mechanism, the three core principles of exception handling, and demonstrates how to design a custom exception hierarchy and a Spring Boot @ControllerAdvice‑based global handler to simplify error processing and improve code maintainability.

Backend DevelopmentException HandlingGlobal Error Handling
0 likes · 13 min read
Mastering Java Exception Handling and Global Error Management in Spring Boot
21CTO
21CTO
Jun 27, 2020 · Backend Development

Top Microservice Frameworks Across Java, .NET, Node.js, Go, and Python

This article surveys the rise of microservices, explains their advantages, and provides a concise overview of the most popular Java, .NET, Node.js, Go, and Python frameworks that enable developers to build scalable, loosely‑coupled services.

Backend DevelopmentGoJava
0 likes · 7 min read
Top Microservice Frameworks Across Java, .NET, Node.js, Go, and Python
Java Captain
Java Captain
Jun 27, 2020 · Backend Development

Top 16 IntelliJ IDEA Plugins for Java Development (2020.1)

This article presents a curated list of sixteen IntelliJ IDEA plugins compatible with version 2020.1, detailing each plugin's purpose, key features, usage shortcuts, and visual screenshots to help Java developers enhance productivity and code quality.

Backend DevelopmentIDE pluginsIntelliJ
0 likes · 7 min read
Top 16 IntelliJ IDEA Plugins for Java Development (2020.1)
ITPUB
ITPUB
Jun 22, 2020 · Backend Development

Essential Backend Development Tech Stack: Load Balancing, Microservices, Databases & More

This article provides a concise yet comprehensive overview of the backend development technology stack, covering load balancing, microservice ecosystems, RPC frameworks, service discovery, relational and NoSQL databases, caching strategies, message queues, object storage, and search engines, while highlighting practical configurations and real‑world trade‑offs.

Backend DevelopmentDatabasesObject Storage
0 likes · 24 min read
Essential Backend Development Tech Stack: Load Balancing, Microservices, Databases & More
Java Backend Technology
Java Backend Technology
Jun 22, 2020 · Backend Development

Is Lombok Worth It? Uncovering the Hidden Costs of Java’s Magic Annotations

This article examines Project Lombok’s ability to cut boilerplate in Java, walks through before‑and‑after code examples, and reveals five major drawbacks—including JDK compatibility, forced adoption, readability issues, increased coupling, and technical debt—helping developers decide whether to embrace or avoid Lombok.

Backend DevelopmentJavaLombok
0 likes · 11 min read
Is Lombok Worth It? Uncovering the Hidden Costs of Java’s Magic Annotations
Meituan Technology Team
Meituan Technology Team
Jun 18, 2020 · Backend Development

Root Cause Analysis of MyBatis Version Upgrade Causing ParameterType Mismatch and Type Casting Errors

An upgrade of MyBatis from 3.2.3 to 3.4.6 caused parameterType mismatches in XML mappings, turning previously ignored type declarations into enforced ones, which led to ClassCastException errors for LocalDateTime and other types, prompting a root‑cause analysis and recommendations for careful version testing and configuration alignment.

Backend DevelopmentJavaMyBatis
0 likes · 18 min read
Root Cause Analysis of MyBatis Version Upgrade Causing ParameterType Mismatch and Type Casting Errors
High Availability Architecture
High Availability Architecture
Jun 18, 2020 · Backend Development

Why I Stopped Using Kotlin Coroutines: Debugging, Context Propagation, and Performance Concerns

The article shares personal experiences with Kotlin coroutines, highlighting debugging challenges, loss of context across threads, pitfalls of using ThreadLocal, synchronization issues, and performance trade‑offs, ultimately explaining why the author stopped using coroutines for server‑side development.

Backend DevelopmentCoroutinesKotlin
0 likes · 9 min read
Why I Stopped Using Kotlin Coroutines: Debugging, Context Propagation, and Performance Concerns
FunTester
FunTester
Jun 18, 2020 · Backend Development

Master Efficient API Testing with Swagger and Springfox: A Practical Guide

This article walks readers through building a high‑efficiency API testing workflow using Swagger’s automated documentation and Springfox integration, covering setup, configuration, mock services, code coverage, keyword‑driven automation, and practical deployment examples with Maven dependencies and live Swagger UI demonstrations.

API testingBackend DevelopmentJava
0 likes · 8 min read
Master Efficient API Testing with Swagger and Springfox: A Practical Guide
Laravel Tech Community
Laravel Tech Community
Jun 17, 2020 · Backend Development

PHP strstr() Function: Usage, Parameters, Return Values, and Examples

This article explains PHP's strstr() function, detailing its purpose of locating the first occurrence of a needle in a haystack string, describing its parameters and return values, noting case‑sensitivity and performance considerations, and providing two practical code examples.

Backend DevelopmentCode ExamplePHP
0 likes · 2 min read
PHP strstr() Function: Usage, Parameters, Return Values, and Examples
Architect's Tech Stack
Architect's Tech Stack
Jun 16, 2020 · Backend Development

Deep Dive into Spring Boot Auto‑Configuration and How to Build a Custom Starter

This article explains the inner workings of Spring Boot’s @SpringBootApplication annotation, the loading of auto‑configuration classes from META‑INF/spring.factories, the refresh of the application context, the creation of the embedded Tomcat server, and demonstrates how to create a custom starter with configuration properties.

Backend DevelopmentCustom StarterSpring Boot
0 likes · 12 min read
Deep Dive into Spring Boot Auto‑Configuration and How to Build a Custom Starter
Top Architect
Top Architect
Jun 15, 2020 · Backend Development

Redisson Distributed Lock: Maven Setup, Simple Usage, Redis Commands, Lua Script Semantics, and Source Code Analysis

This article presents a concise Redisson distributed‑lock example with Maven configuration, demonstrates basic lock usage, enumerates the Redis commands and Lua script semantics involved, and provides a detailed walkthrough of the relevant Java source code, highlighting key implementation details.

Backend DevelopmentJavaLua
0 likes · 14 min read
Redisson Distributed Lock: Maven Setup, Simple Usage, Redis Commands, Lua Script Semantics, and Source Code Analysis
Java Backend Technology
Java Backend Technology
Jun 13, 2020 · Backend Development

Why Lombok Can Turn Your Java Code into a Hidden Liability

This article examines the trade‑offs of using Project Lombok in Java projects, showing how its syntactic sugar reduces boilerplate but can introduce technical debt, version‑compatibility issues, hidden coupling, and readability problems that may outweigh its short‑term benefits.

Backend DevelopmentJavaLombok
0 likes · 12 min read
Why Lombok Can Turn Your Java Code into a Hidden Liability
Programmer DD
Programmer DD
Jun 12, 2020 · Backend Development

Is Project Lombok Worth It? A Year‑Long Developer’s Deep Dive

After a year of using Project Lombok, the author reflects on how the library initially simplifies Java boilerplate but eventually introduces technical debt, version‑compatibility issues, hidden complexity, and tighter coupling, urging teams to weigh its short‑term convenience against long‑term maintainability.

Backend DevelopmentJavaLombok
0 likes · 10 min read
Is Project Lombok Worth It? A Year‑Long Developer’s Deep Dive
Architect's Tech Stack
Architect's Tech Stack
Jun 11, 2020 · Backend Development

Understanding Redis Distributed Locks: setnx, RedLock, and Redisson

This article explains how Redis can be used for distributed locking, covering the setnx command, the SET command with NX and PX options, common pitfalls, Lua‑based atomic unlock scripts, the Redisson client, and the RedLock algorithm for achieving reliable locks across multiple nodes.

Backend DevelopmentLua scriptingRedis
0 likes · 10 min read
Understanding Redis Distributed Locks: setnx, RedLock, and Redisson
macrozheng
macrozheng
Jun 11, 2020 · Backend Development

How to Implement RabbitMQ Delayed Messages with the Delayed Plugin in Spring Boot

This guide walks through installing the RabbitMQ delayed‑message‑exchange plugin, configuring it in a Spring Boot application, and building Java components to send and receive delayed order‑cancellation messages, comparing the plugin approach with dead‑letter queues and providing complete code snippets and deployment steps.

Backend DevelopmentMessage queueRabbitMQ
0 likes · 12 min read
How to Implement RabbitMQ Delayed Messages with the Delayed Plugin in Spring Boot