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IT Services Circle
IT Services Circle
Mar 9, 2024 · Backend Development

Common Java Date Handling Pitfalls: Leap Year, Formatting, Timezone, and Thread Safety

This article explains several Java date‑time pitfalls—including leap‑year calculations, differences between YYYY/yyyy and HH/hh patterns, SimpleDateFormat initialization, Calendar hour fields, integer overflow in date arithmetic, thread‑unsafe usage of SimpleDateFormat, and daylight‑saving‑time handling—providing code examples and best‑practice recommendations.

BackendDateFormattingLeapYear
0 likes · 10 min read
Common Java Date Handling Pitfalls: Leap Year, Formatting, Timezone, and Thread Safety
IT Services Circle
IT Services Circle
Mar 9, 2024 · Backend Development

Java Backend Interview Guide: Networks, Data Structures, MySQL Logs, Elasticsearch, Kafka, Microservices, and Spring Essentials

This article compiles a comprehensive Java backend interview guide covering network protocols, HTTP characteristics, core data structures and algorithms, MySQL logging mechanisms, Elasticsearch full‑text search, Kafka reliability and deduplication, common micro‑service components, load‑balancing algorithms, and essential Spring concepts such as IoC, AOP, transactions, and MVC workflow.

BackendElasticsearchKafka
0 likes · 22 min read
Java Backend Interview Guide: Networks, Data Structures, MySQL Logs, Elasticsearch, Kafka, Microservices, and Spring Essentials
Ctrip Technology
Ctrip Technology
Mar 8, 2024 · Backend Development

Design and Implementation of Ctrip Flight Order Itinerary System: Architecture, Sharding, Caching, and Structured Concurrency

The article presents a comprehensive case study of Ctrip's flight order itinerary system, detailing its background challenges, design goals, modular architecture, data aggregation strategies, sharding and Redis caching optimizations, and the adoption of Java structured concurrency to achieve high performance, reliability, and scalability.

BackendSystem Architecturecaching
0 likes · 13 min read
Design and Implementation of Ctrip Flight Order Itinerary System: Architecture, Sharding, Caching, and Structured Concurrency
php Courses
php Courses
Mar 8, 2024 · Backend Development

Implementing Map Zoom Functionality in PHP Using AMap API

This guide walks through the step-by-step process of enabling map zoom in a web application by obtaining an AMap API key, importing the API in PHP, creating a map instance, configuring container, size, initial zoom level, adding controls, and rendering the map with complete example code.

Amap APIBackendMap Zoom
0 likes · 5 min read
Implementing Map Zoom Functionality in PHP Using AMap API
Architect's Guide
Architect's Guide
Mar 8, 2024 · Backend Development

Spring Cloud Remote Calls: HTTP vs RPC

The article explains why Spring Cloud prefers HTTP over RPC for remote calls, detailing the advantages of embedded Tomcat and JSON over HTTP, the limitations of TCP‑based RPC, and provides a comparative analysis of their architectures, pros, cons, and suitability for microservices.

BackendHTTPRESTful
0 likes · 6 min read
Spring Cloud Remote Calls: HTTP vs RPC
Open Source Tech Hub
Open Source Tech Hub
Mar 7, 2024 · Backend Development

Mastering OpenResty: Essential Lua Coding Standards for High‑Performance Backend Development

This guide introduces OpenResty—a high‑performance web platform built on Nginx and Lua—and provides detailed Lua coding conventions, including indentation, spacing, line length, variable naming, array handling, string concatenation, function design, module imports, and error handling to write clean, efficient backend code.

Backendcoding standardsperformance
0 likes · 10 min read
Mastering OpenResty: Essential Lua Coding Standards for High‑Performance Backend Development
Tencent Cloud Developer
Tencent Cloud Developer
Mar 7, 2024 · Frontend Development

WebAssembly: History, Principles, and Applications

WebAssembly, originating from Mozilla’s asm.js experiment and standardized in 2017, offers a compact binary format that outperforms JavaScript and asm.js, enabling near‑native speed for compute‑intensive web and server workloads, with real‑world adoption in graphics, video, AI, and cloud micro‑services.

BackendWASIWasm
0 likes · 36 min read
WebAssembly: History, Principles, and Applications
JD Tech
JD Tech
Mar 6, 2024 · Backend Development

Fixing Incorrect Total Count in PageHelper Pagination Using PageInfo

This article analyzes why the total record count returned by PageHelper mismatches the actual number of rows, examines the underlying PageInfo and PageSerializable source code, and provides a concrete solution that avoids type conversion and directly constructs PageInfo from the mapper result to ensure accurate pagination.

BackendMyBatisPageInfo
0 likes · 7 min read
Fixing Incorrect Total Count in PageHelper Pagination Using PageInfo
Selected Java Interview Questions
Selected Java Interview Questions
Mar 6, 2024 · Backend Development

Encapsulating EasyExcel for Simplified Import/Export in Spring Boot Applications

This article demonstrates how to wrap EasyExcel within a Spring Boot + MyBatis‑Plus project to provide clean, reusable import and export APIs, covering environment setup, annotation usage, controller implementation, core service design, common pitfalls, and solutions for date and template handling.

BackendCodeExampleExcelImportExport
0 likes · 19 min read
Encapsulating EasyExcel for Simplified Import/Export in Spring Boot Applications
FunTester
FunTester
Mar 5, 2024 · Backend Development

Building a Lightweight Java Object Pool Without Commons‑Pool2

This article walks through the design and implementation of a simple, thread‑safe object pool in Java using a LinkedBlockingQueue, explains the underlying concepts such as factory pattern and queue trimming, and provides a complete code example with a test script and output analysis.

Backendconcurrencydesign pattern
0 likes · 7 min read
Building a Lightweight Java Object Pool Without Commons‑Pool2
Selected Java Interview Questions
Selected Java Interview Questions
Mar 4, 2024 · Backend Development

Spring Cloud Gateway: A Step‑by‑Step Guide to Building a Scalable Microservice Gateway

This article introduces Spring Cloud Gateway as a powerful tool for building scalable microservice gateways, explains its reactive architecture and advantages, and provides a step‑by‑step tutorial—including Maven dependency, route configuration, custom filter code, and deployment instructions—plus suggestions for advanced features.

BackendMicroservicesSpring Cloud Gateway
0 likes · 8 min read
Spring Cloud Gateway: A Step‑by‑Step Guide to Building a Scalable Microservice Gateway
21CTO
21CTO
Mar 4, 2024 · Backend Development

How ioredis Became the Leading Node.js Redis Client and Got Acquired

ioredis, a high‑performance Node.js Redis client created by luin, uses a single‑socket pipeline for efficient command batching, has attracted enterprise users like Alibaba, and after years of growth was officially acquired by Redis, with its source now hosted on GitHub.

BackendNode.jsPipeline
0 likes · 4 min read
How ioredis Became the Leading Node.js Redis Client and Got Acquired
Architect
Architect
Mar 2, 2024 · Backend Development

Decoupling Business Messaging: A Deep Dive into the X‑Pigeon Platform Architecture

This article analyzes the challenges of tightly coupled message‑business code, duplicated service implementations, and intermittent message loss, then details the design of the X‑Pigeon centralized messaging platform—including its three‑element model, lifecycle states, rate‑limiting strategies, and template system—to achieve scalable, reliable communication across microservices.

BackendCloud NativeMessaging
0 likes · 11 min read
Decoupling Business Messaging: A Deep Dive into the X‑Pigeon Platform Architecture
php Courses
php Courses
Mar 1, 2024 · Backend Development

Implementing Logistics Tracking and Delivery Management in PHP for E-commerce

This tutorial explains how to build logistics tracking and delivery management features for an e‑commerce system using PHP, covering database table creation, inserting and updating records, and querying data to display order shipment status and delivery information.

BackendDelivery ManagementLogistics
0 likes · 6 min read
Implementing Logistics Tracking and Delivery Management in PHP for E-commerce
php Courses
php Courses
Mar 1, 2024 · Backend Development

Implementing Logistics Tracking and Delivery Management in PHP for E-commerce

This tutorial explains how to build essential logistics tracking and delivery management features for an e‑commerce system using PHP, covering database schema design, code for inserting, updating, and querying tracking and delivery records, and providing complete example snippets.

BackendDelivery ManagementLogistics
0 likes · 6 min read
Implementing Logistics Tracking and Delivery Management in PHP for E-commerce
Tencent Cloud Developer
Tencent Cloud Developer
Feb 29, 2024 · Backend Development

Performance Optimization Strategies for High‑Throughput Backend Services

The article outlines practical, continuous performance‑optimization tactics for high‑throughput back‑end services—replacing Protobuf with lightweight C++ classes, using cache‑friendly data structures, adopting jemalloc/tcmalloc, employing lock‑free double buffers, tailoring data formats, and leveraging profiling tools—to achieve multi‑fold speedups while balancing maintainability.

BackendC++Cache Friendly
0 likes · 18 min read
Performance Optimization Strategies for High‑Throughput Backend Services
Java Architect Essentials
Java Architect Essentials
Feb 28, 2024 · Backend Development

Design and Implementation of a Business Rate‑Limiting Component Using Redis Lua Scripts and Custom Annotations in Kotlin

This article explains why a custom business risk‑control (rate‑limiting) component is needed for AI‑intensive services, compares open‑source solutions, and provides a complete backend implementation using Redis+Lua scripts, Kotlin code, Spring AOP annotations, and real‑time adjustable rules.

BackendKotlinLua
0 likes · 10 min read
Design and Implementation of a Business Rate‑Limiting Component Using Redis Lua Scripts and Custom Annotations in Kotlin
JD Tech
JD Tech
Feb 26, 2024 · Backend Development

Comprehensive Guide to Large File Upload: Principles, Implementation, and Optimizations

This article explains the challenges of uploading large files over 100 MB, compares them with regular uploads, details the core principles and common problems, and presents complete front‑end chunking and back‑end merging implementations with resumable and instant upload techniques, plus mature solution recommendations.

BackendJavaScriptLarge File Upload
0 likes · 14 min read
Comprehensive Guide to Large File Upload: Principles, Implementation, and Optimizations
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Feb 26, 2024 · Backend Development

Understanding and Configuring Pagination Rationalization with MyBatis PageHelper in SpringBoot

This article explains pagination rationalization in SpringBoot using MyBatis PageHelper, illustrates common unreasonable pagination scenarios, demonstrates a bug caused by page deletion, and shows how a simple two‑line configuration or per‑query setting resolves the issue while detailing the underlying implementation.

BackendMyBatisSpringBoot
0 likes · 8 min read
Understanding and Configuring Pagination Rationalization with MyBatis PageHelper in SpringBoot
Architect
Architect
Feb 24, 2024 · Backend Development

Implementing a Dynamic Thread Pool with Nacos in Spring Cloud

This article demonstrates how to build a dynamically configurable thread pool in a Spring Cloud backend by using Nacos as a configuration center, covering dependency setup, YAML files, Java implementation, controller exposure, testing steps, and practical tips for runtime adjustments.

BackendDynamic ConfigurationNacos
0 likes · 9 min read
Implementing a Dynamic Thread Pool with Nacos in Spring Cloud
Java Architect Essentials
Java Architect Essentials
Feb 23, 2024 · Backend Development

Optimizing Apache HttpClient for High-Concurrency Scenarios

This article explains how to improve a high‑traffic Java service by reusing a singleton HttpClient, enabling keep‑alive, configuring a pooling connection manager, and adding an idle‑connection monitor, which reduces average request latency from 250 ms to about 80 ms.

BackendConnectionPoolingHttpClient
0 likes · 11 min read
Optimizing Apache HttpClient for High-Concurrency Scenarios
Sanyou's Java Diary
Sanyou's Java Diary
Feb 22, 2024 · Backend Development

10 Proven Techniques to Supercharge Backend API Performance

This article presents a comprehensive guide for backend developers, covering ten practical techniques—including local and distributed caching, parallel execution, asynchronous processing, connection pooling, sharding, SQL tuning, pre‑computation, batch operations, lock granularity, and context propagation—to dramatically improve API performance.

BackendSQL Tuningcaching
0 likes · 13 min read
10 Proven Techniques to Supercharge Backend API Performance
Ctrip Technology
Ctrip Technology
Feb 22, 2024 · Backend Development

Design and Implementation of a Serverless Data Filling Engine for UnifiedPB in Ctrip Hotel Recommendation System

This article describes how Ctrip's hotel recommendation team built a serverless, configuration‑driven data‑filling engine based on UnifiedPB protobuf schemas to improve development efficiency, reduce cost, ensure data quality, and achieve unified three‑region data delivery across more than twenty recommendation scenarios.

BackendServerlessdata engineering
0 likes · 12 min read
Design and Implementation of a Serverless Data Filling Engine for UnifiedPB in Ctrip Hotel Recommendation System
php Courses
php Courses
Feb 22, 2024 · Backend Development

Using curl_multi_getcontent() to Retrieve Content from Multiple cURL Sessions in PHP

curl_multi_getcontent() is a PHP cURL function that retrieves the response content of individual handles within a multi‑handle session, and this guide explains its purpose, usage steps, and provides a complete example demonstrating initialization, execution, content extraction, and cleanup of multiple concurrent requests.

BackendPHPcURL
0 likes · 4 min read
Using curl_multi_getcontent() to Retrieve Content from Multiple cURL Sessions in PHP
Sohu Tech Products
Sohu Tech Products
Feb 21, 2024 · Backend Development

Sorting Image Filenames with Numbers in Elasticsearch: Script and Ingest‑Pipeline Solutions

The article explains how to sort image filenames containing numbers in Elasticsearch by either using a painless _script to extract the numeric part at query time or, more efficiently, by preprocessing filenames with an ingest pipeline that creates a numeric field for fast sorting, recommending the pipeline for performance‑critical use cases.

BackendElasticsearchIngest Pipeline
0 likes · 8 min read
Sorting Image Filenames with Numbers in Elasticsearch: Script and Ingest‑Pipeline Solutions
Architecture Digest
Architecture Digest
Feb 21, 2024 · Backend Development

Java 8 Stream API Tutorial with PO Example and Common Operations

This article introduces Java 8's Stream API, explains its pipeline concept similar to SQL and Linux pipes, and demonstrates common operations such as filter, map, sorted, forEach, collect, statistics and parallelStream using a UserPo class with complete runnable code examples.

BackendLambdaStream API
0 likes · 9 min read
Java 8 Stream API Tutorial with PO Example and Common Operations
MaGe Linux Operations
MaGe Linux Operations
Feb 21, 2024 · Backend Development

Is There a One‑Size‑Fits‑All Backend Architecture? Exploring Minimalist Solutions

This article examines the diversity of enterprise backend architectures, proposes a simple "universal" stack of MySQL, Redis, and Elasticsearch, evaluates its cost‑effectiveness and scalability limits, and presents extended designs—including Nginx clustering, multi‑master MySQL, sharding, MQ, Sentinel, TiDB, and micro‑service patterns—to guide choosing the most suitable solution for a given workload.

BackendTiDBarchitecture
0 likes · 15 min read
Is There a One‑Size‑Fits‑All Backend Architecture? Exploring Minimalist Solutions
Java Architect Essentials
Java Architect Essentials
Feb 20, 2024 · Backend Development

Why Did Our API Hang? Uncovering Redis Connection Pool Blocking in Spring Boot

A week‑long API freeze in a sandbox environment was traced to Redis connection pool misconfiguration, where threads waited indefinitely for a Jedis resource, leading to Tomcat request threads blocking and 500 errors, and the issue was resolved by adjusting pool settings and using proper connection release patterns.

BackendConnection PoolJedis
0 likes · 9 min read
Why Did Our API Hang? Uncovering Redis Connection Pool Blocking in Spring Boot
php Courses
php Courses
Feb 20, 2024 · Backend Development

How Laravel Loads Environment Variables During Bootstrap

This article explains Laravel's bootstrapping process for loading environment variables, detailing each step from configuration cache checking to creating a Dotenv instance, parsing the .env file, and handling related exceptions, with code examples illustrating the workflow.

BackendBootstrapEnvironment Variables
0 likes · 9 min read
How Laravel Loads Environment Variables During Bootstrap
Selected Java Interview Questions
Selected Java Interview Questions
Feb 19, 2024 · Backend Development

Eight Ways to Implement Asynchronous Programming in Java

This article introduces eight common Java asynchronous implementation techniques—including raw threads, thread pools, Future, CompletableFuture, Spring @Async, ApplicationEvent, message queues, ThreadUtil, and Guava ListenableFuture—explains their use cases, advantages, and limitations, and provides concrete code examples for each method.

AsynchronousBackendCompletableFuture
0 likes · 11 min read
Eight Ways to Implement Asynchronous Programming in Java
macrozheng
macrozheng
Feb 19, 2024 · Fundamentals

16 Essential Coding Habits Every Java Developer Should Master

This article presents sixteen practical coding habits—from self‑testing changes and validating parameters to using thread pools and ensuring cache consistency—designed to help Java developers avoid common bugs, improve code quality, and build more reliable applications.

BackendSoftware Developmentbest practices
0 likes · 12 min read
16 Essential Coding Habits Every Java Developer Should Master
Ops Development & AI Practice
Ops Development & AI Practice
Feb 19, 2024 · Backend Development

How to Verify Command Availability in Go by Scanning the PATH

This guide explains how to programmatically check whether a system command exists in the PATH environment variable using Go, covering environment retrieval, path splitting, file existence checks, cross‑platform nuances, security concerns, and performance tips with a complete code example.

BackendSystemcross‑platform
0 likes · 5 min read
How to Verify Command Availability in Go by Scanning the PATH
php Courses
php Courses
Feb 19, 2024 · Backend Development

Using PHP mysqli_query to Execute MySQL Queries

This article explains how to use PHP's mysqli_query function to perform MySQL operations such as SELECT, INSERT, UPDATE, and DELETE, providing a step‑by‑step example that creates a connection, runs a SELECT query, processes results, and handles errors and cleanup.

BackendPHPdatabase
0 likes · 4 min read
Using PHP mysqli_query to Execute MySQL Queries
Top Architect
Top Architect
Feb 18, 2024 · Backend Development

Designing Business Operation Logging: From AOP Annotations to Binlog‑Based Solutions

This article explores the motivations, benefits, and step‑by‑step implementations of business operation logging, starting with a simple AOP‑annotation approach, advancing to AOP combined with Spring Expression Language for richer context, and finally leveraging MySQL binlog and time‑window techniques for low‑level, reliable change capture.

BackendBinlogSpEL
0 likes · 18 min read
Designing Business Operation Logging: From AOP Annotations to Binlog‑Based Solutions
Top Architect
Top Architect
Feb 18, 2024 · Backend Development

Why Token Pass‑Through Is Discouraged and Alternative Unified Authorization Designs for Microservices

The article explains why passing tokens between microservices is a poor design, proposes exposing explicit userId parameters, describes unified authentication via an API gateway with Feign, Dubbo or Spring Boot Web implementations, compares their pros and cons, and shows how to integrate these patterns with Kubernetes and internal API path rules.

AuthenticationBackendDubbo
0 likes · 9 min read
Why Token Pass‑Through Is Discouraged and Alternative Unified Authorization Designs for Microservices
Architect
Architect
Feb 17, 2024 · Backend Development

How Bilibili Scaled Its Membership Purchase System: Call‑Chain Refactor, Async Ordering, and Sharding

This article details how Bilibili’s membership‑purchase platform tackled massive traffic spikes by redesigning the order call chain, introducing concurrent and asynchronous processing, and applying a sharding strategy that split databases and tables, ultimately boosting latency performance and supporting over 4,000 TPS during peak sales.

BackendMicroservicesasync-processing
0 likes · 15 min read
How Bilibili Scaled Its Membership Purchase System: Call‑Chain Refactor, Async Ordering, and Sharding
Architecture Digest
Architecture Digest
Feb 17, 2024 · Backend Development

Resolving CORS Issues with Nginx Proxy: A Step‑by‑Step Configuration Guide

This article explains why browsers block cross‑origin requests, details the four CORS response headers, demonstrates common error scenarios, and provides a series of Nginx configuration examples—including handling preflight OPTIONS requests, custom headers, and method restrictions—to reliably solve CORS problems during development.

BackendCORSConfiguration
0 likes · 12 min read
Resolving CORS Issues with Nginx Proxy: A Step‑by‑Step Configuration Guide
Architect
Architect
Feb 15, 2024 · Backend Development

Mastering State Patterns with Spring State Machine: From Theory to Order Workflow

This article explains the classic State design pattern, demonstrates a traffic‑light example, compares Spring State Machine with COLA, and walks through building a complete order‑status workflow in Spring Boot using enums, configuration, listeners, services, and a test controller, while highlighting trade‑offs and alternatives.

BackendOrder WorkflowState Pattern
0 likes · 14 min read
Mastering State Patterns with Spring State Machine: From Theory to Order Workflow
AI Illustrated Series
AI Illustrated Series
Feb 13, 2024 · Backend Development

Which Go Web Framework Reigns Supreme? A Deep Comparative Analysis

This article systematically compares the most popular Go web frameworks—Beego, Buffalo, Echo, Gin, Iris, and Revel—by evaluating their popularity, learning curve, routing capabilities, middleware ecosystems, server features, session handling, template engines, testing support, and other core functionalities, complete with concrete code examples.

BackendComparisonGo
0 likes · 14 min read
Which Go Web Framework Reigns Supreme? A Deep Comparative Analysis
Code Ape Tech Column
Code Ape Tech Column
Feb 11, 2024 · Backend Development

Comparison of Java Distributed Scheduling Frameworks: Elastic-Job vs X-Job and Other Options

This article examines why scheduled tasks are needed, outlines common Java scheduling frameworks for both single‑machine and distributed environments, and provides a detailed side‑by‑side comparison of Elastic‑Job, X‑Job, Quartz and other solutions, highlighting their architectures, clustering, sharding, monitoring, scaling and failure‑handling strategies.

BackendDistributed SchedulingElastic-Job
0 likes · 13 min read
Comparison of Java Distributed Scheduling Frameworks: Elastic-Job vs X-Job and Other Options
ITPUB
ITPUB
Feb 10, 2024 · Backend Development

How to Warm Up Your Cache to Boost High‑Concurrency System Performance

Cache warming, a technique used in high‑concurrency systems, involves preloading frequently accessed data into memory before traffic spikes to improve hit rates, reduce cold‑start latency, prevent cache breakdowns, and lessen backend load, with various strategies such as startup loading, scheduled jobs, manual triggers, Redis tools, and Caffeine loaders demonstrated through Spring Boot code examples.

BackendCacheCaffeine
0 likes · 10 min read
How to Warm Up Your Cache to Boost High‑Concurrency System Performance
Open Source Tech Hub
Open Source Tech Hub
Feb 10, 2024 · Backend Development

How to Use Workerman Timer for Scheduled PHP Tasks

This guide explains how Workerman's Timer runs functions or class methods at set intervals within the same process, showing examples of anonymous‑function timers and configuring timers to run only on specific worker processes.

BackendScheduled Tasksconcurrency
0 likes · 3 min read
How to Use Workerman Timer for Scheduled PHP Tasks
Architect
Architect
Feb 8, 2024 · Backend Development

From AOP Annotations to Binlog: Evolving Business Operation Logging Strategies

This article examines the progressive design of business operation logging—from a basic AOP‑annotation approach, through an AOP‑SpEL enhancement, to a binlog‑based time‑window solution—detailing each method's implementation steps, trade‑offs, and practical considerations for robust audit and monitoring in enterprise systems.

BackendBinlogSpEL
0 likes · 19 min read
From AOP Annotations to Binlog: Evolving Business Operation Logging Strategies
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Feb 8, 2024 · Backend Development

Core Principles of Message Queues: 12 Key Concepts Explained

This article provides a comprehensive overview of message queue fundamentals, covering producers, consumers, brokers, point-to-point and publish/subscribe models, ordering, ACK mechanisms, eventual consistency, transactions, persistence, high availability, and selection criteria for various MQ technologies.

BackendDistributed SystemsMQ
0 likes · 10 min read
Core Principles of Message Queues: 12 Key Concepts Explained
Top Architecture Tech Stack
Top Architecture Tech Stack
Feb 8, 2024 · Backend Development

Guide to Using the 12306 Ticket‑Grabbing Python Project

This article introduces the popular 12306 ticket‑grabbing assistant, explains its history and features, provides step‑by‑step installation and configuration instructions—including required dependencies, proxy settings, and email notifications—and shows how to run the script to automatically secure train tickets during the Spring Festival travel rush.

BackendConfigurationPython
0 likes · 10 min read
Guide to Using the 12306 Ticket‑Grabbing Python Project
DaTaobao Tech
DaTaobao Tech
Feb 7, 2024 · Backend Development

Log Management Practices for Reducing Cost and Improving Efficiency

The article presents a log‑governance case study that tackles classification, format, and tool chaos by introducing a three‑layer log hierarchy, simple non‑overlapping classification, fixed‑order CSV formatting, and reverse‑printed stack traces, achieving up to 88 % size reduction while improving cost efficiency and adaptability.

BackendLog ManagementStackTrace
0 likes · 15 min read
Log Management Practices for Reducing Cost and Improving Efficiency
JD Cloud Developers
JD Cloud Developers
Feb 6, 2024 · Operations

How We Boosted Nginx Performance 50× by Tuning Gzip Settings

This article documents a real‑world Nginx optimization case where adjusting gzip compression levels and switching to static gzip reduced CPU usage dramatically, enabling a 9‑wan QPS load to be handled with only 7% CPU and achieving over a 50‑fold performance gain.

BackendGzipNginx
0 likes · 8 min read
How We Boosted Nginx Performance 50× by Tuning Gzip Settings
php Courses
php Courses
Feb 6, 2024 · Backend Development

Why Build a Custom PHP Framework – Course Outline

This article explains the motivations for creating a custom PHP framework—such as meeting specific needs, learning, long‑term maintenance, performance, usability, and security—and provides a detailed course outline covering MVC, routing, error handling, namespaces, design patterns, configuration, and database operations.

BackendDesign PatternsFramework
0 likes · 4 min read
Why Build a Custom PHP Framework – Course Outline
macrozheng
macrozheng
Feb 6, 2024 · Backend Development

How to Package Spring Boot Apps with External Dependencies Using Maven

This article explains how to package a Spring Boot application so that its dependencies are stored externally and loaded at runtime using Maven plugins and the PropertiesLauncher, enabling easy replacement of individual libraries without rebuilding the entire fat jar.

Backendexternal-dependenciesmaven
0 likes · 6 min read
How to Package Spring Boot Apps with External Dependencies Using Maven
Code Ape Tech Column
Code Ape Tech Column
Feb 6, 2024 · Backend Development

Comprehensive Guide to Spring Validation: Best Practices and Implementation Principles

This article provides an in‑depth tutorial on Spring Validation, covering simple usage, requestBody and requestParam/PathVariable validation, unified exception handling, advanced techniques such as group, nested, collection and custom validation, programmatic validation, fail‑fast mode, and the underlying implementation mechanisms within Spring MVC and Hibernate Validator.

BackendHibernate ValidatorSpring Boot
0 likes · 17 min read
Comprehensive Guide to Spring Validation: Best Practices and Implementation Principles
Su San Talks Tech
Su San Talks Tech
Feb 6, 2024 · Backend Development

Top 10 Online Development Tools to Boost Your Coding Efficiency

This article introduces ten powerful online utilities—including a Java Spring Initializr, code generators, JSON formatters, cron expression builders, regex testers, nginx formatters, and visual data tools—that streamline backend and frontend development workflows and dramatically improve productivity.

Backenddevelopment-toolsjava
0 likes · 7 min read
Top 10 Online Development Tools to Boost Your Coding Efficiency
Architect
Architect
Feb 5, 2024 · Backend Development

Applying the Strategy Pattern with Simple Factory in a Spring Boot Application

This article demonstrates how to apply the Strategy pattern combined with a simple factory in a Spring Boot application, showing interface definition, multiple arithmetic strategy implementations, a factory that registers beans, a service invoking strategies via a map, and a REST controller for testing, highlighting extensibility.

BackendFactorySpring Boot
0 likes · 8 min read
Applying the Strategy Pattern with Simple Factory in a Spring Boot Application
Selected Java Interview Questions
Selected Java Interview Questions
Feb 5, 2024 · Backend Development

Designing Business Operation Logging with AOP, SpEL, and Binlog: From Basic to Advanced Solutions

This article explores the evolution of business operation logging in a Java backend, starting from a simple AOP‑annotation approach, advancing to AOP combined with Spring Expression Language for richer context, and finally leveraging MySQL binlog with time‑window processing to achieve comprehensive, low‑intrusion audit trails.

BackendBinlogSpEL
0 likes · 15 min read
Designing Business Operation Logging with AOP, SpEL, and Binlog: From Basic to Advanced Solutions
php Courses
php Courses
Feb 5, 2024 · Databases

How to Properly Close MySQL Connection Pools in PHP

This article explains the concept of MySQL connection pools in PHP, demonstrates how to create, use, and correctly close both individual connections and pooled connections using mysqli functions and a custom pool class, and highlights the importance of releasing resources to maintain application performance.

BackendConnection PoolPHP
0 likes · 5 min read
How to Properly Close MySQL Connection Pools in PHP
Java Captain
Java Captain
Feb 4, 2024 · Backend Development

Understanding and Implementing Idempotency in Backend Services with Java and Redis

This article explains the concept of idempotency, identifies which API requests are naturally idempotent, discusses why idempotency is essential for retries, asynchronous callbacks, and message queues, and provides a step‑by‑step Java Spring implementation using custom annotations, AOP, and Redis for token management.

BackendIdempotencyaop
0 likes · 9 min read
Understanding and Implementing Idempotency in Backend Services with Java and Redis
Architect
Architect
Feb 4, 2024 · Backend Development

How We Revamped QQ Browser Content Architecture: From Microservices to a High‑Performance Monolith

Facing low development efficiency, poor CPU utilization, and fragile fault tolerance, the QQ Browser content ingestion team rebuilt a 93‑service microservice system into a single‑process, plugin‑driven architecture, achieving up to 13‑fold throughput gains, 10‑fold batch‑processing speedups, and dramatically reduced lead times and code complexity.

BackendMicroservicesSystem Design
0 likes · 22 min read
How We Revamped QQ Browser Content Architecture: From Microservices to a High‑Performance Monolith
MaGe Linux Operations
MaGe Linux Operations
Feb 4, 2024 · Cloud Native

From Monolith to Microservices: How Cloud‑Native Architecture Transforms Modern Apps

This article traces the evolution of software architecture—from early monolithic Java war packages through Service‑Oriented Architecture to modern microservices and cloud‑native designs—highlighting their structural differences, benefits, challenges, and the key principles that guide successful migration to distributed, scalable systems.

BackendMicroservicesSOA
0 likes · 10 min read
From Monolith to Microservices: How Cloud‑Native Architecture Transforms Modern Apps
Top Architect
Top Architect
Feb 4, 2024 · Backend Development

Performance Comparison of String Concatenation Using '+' Operator vs StringBuilder in Java

This article examines Java string concatenation methods, presenting JUnit benchmarks that compare the '+' operator and StringBuilder in both single and loop scenarios, revealing that while simple concatenations perform similarly, loop concatenations are dramatically faster with StringBuilder, leading to practical recommendations.

BackendJUnitstring-concatenation
0 likes · 8 min read
Performance Comparison of String Concatenation Using '+' Operator vs StringBuilder in Java
php Courses
php Courses
Feb 4, 2024 · Backend Development

Implementing Product Promotion Push Functionality in a PHP E‑commerce Site

This article outlines the step‑by‑step process for implementing a product promotion push feature in a PHP‑based e‑commerce platform, covering target user identification, promotion table design, message templating, script development, database queries, cron scheduling, and result monitoring to boost user engagement and sales.

BackendPHPPush Notification
0 likes · 5 min read
Implementing Product Promotion Push Functionality in a PHP E‑commerce Site
php Courses
php Courses
Feb 4, 2024 · Backend Development

Top PHP Frameworks for Web Development Companies: A Comprehensive Guide

This guide examines why PHP web development companies rely on frameworks, outlines key benefits such as code reuse, rapid development, security, maintainability, scalability, risk reduction, and community support, and reviews ten leading PHP frameworks—including Laravel, Symfony, and CodeIgniter—to help choose the best fit for projects.

BackendCodeIgniterLaravel
0 likes · 9 min read
Top PHP Frameworks for Web Development Companies: A Comprehensive Guide
21CTO
21CTO
Feb 2, 2024 · Backend Development

8 Must‑Know Python Backend Libraries Used by the Top 1% of Developers

This article highlights eight powerful Python backend libraries—ranging from URL handling and caching to testing, profiling, and API creation—selected from the top 1% of developers based on GitHub stars, and provides installation steps and code examples for each.

Backendlibrariesopen-source
0 likes · 8 min read
8 Must‑Know Python Backend Libraries Used by the Top 1% of Developers
Java Tech Enthusiast
Java Tech Enthusiast
Feb 2, 2024 · Backend Development

Boost Your Elasticsearch Development with Easy-Es: A Complete Guide

This article introduces Easy-Es, an ORM framework built on Elasticsearch's RestHighLevelClient, explains its architecture and advantages, and provides step‑by‑step instructions—including Maven/Gradle setup, configuration, entity and mapper creation, and full CRUD test examples—so developers can quickly integrate powerful search capabilities into Spring Boot applications.

BackendEasy-EsElasticsearch
0 likes · 9 min read
Boost Your Elasticsearch Development with Easy-Es: A Complete Guide
Selected Java Interview Questions
Selected Java Interview Questions
Feb 2, 2024 · Backend Development

Comprehensive Guide to API Request Retry Mechanisms and Spring Boot Implementation

This article examines why API requests fail, explains the importance of retry mechanisms, compares linear, exponential and randomized back‑off strategies, discusses maximum attempt considerations and idempotency, and provides a detailed Spring Boot implementation using Spring Retry along with alternative approaches.

API RetryBackendIdempotency
0 likes · 21 min read
Comprehensive Guide to API Request Retry Mechanisms and Spring Boot Implementation
php Courses
php Courses
Feb 2, 2024 · Backend Development

Optimizing Exception Handling in PHP

This article explains how PHP developers can improve code stability and maintainability by using try‑catch blocks, creating custom exception classes, employing multiple catch clauses, adding finally blocks, and leveraging throw and set_exception_handler for comprehensive exception management.

BackendException HandlingPHP
0 likes · 4 min read
Optimizing Exception Handling in PHP
Top Architect
Top Architect
Feb 1, 2024 · Backend Development

Best Practices for Application Layering in Backend Development

This article explains the importance of proper application layering in backend development, outlines Alibaba’s recommended layer structure, suggests optimizations for service and manager layers, describes domain model conversions such as DO, DTO, BO, and concludes with best‑practice recommendations for maintainable, clear‑boundary code.

BackendServicearchitecture
0 likes · 11 min read
Best Practices for Application Layering in Backend Development
php Courses
php Courses
Feb 1, 2024 · Backend Development

Implementing Product Promotion Push Functionality in a PHP E‑commerce Site

This article outlines a step‑by‑step guide for building a PHP‑based product promotion push system for e‑commerce platforms, covering recipient identification, database schema design, message templating, script development, scheduling with crontab, and result monitoring to boost user engagement and sales.

BackendPHPcron
0 likes · 4 min read
Implementing Product Promotion Push Functionality in a PHP E‑commerce Site
Architect's Guide
Architect's Guide
Feb 1, 2024 · Fundamentals

Java 8 Functional Interfaces: Function, Supplier, Consumer, Runnable and Practical Usage Patterns

This article introduces Java 8 functional interfaces—including Function, Supplier, Consumer, and Runnable—explains their signatures, demonstrates how they can replace traditional if‑else statements for exception handling, branch processing, and null checks, and provides concrete code examples and usage tips.

BackendFunctionalInterfaceLambda
0 likes · 7 min read
Java 8 Functional Interfaces: Function, Supplier, Consumer, Runnable and Practical Usage Patterns
Selected Java Interview Questions
Selected Java Interview Questions
Jan 31, 2024 · Backend Development

Large File Upload, Chunked Upload, Resume and Instant Upload with Spring Boot and JavaScript

This article demonstrates how to implement small file uploads, large file chunked uploads, breakpoint resume, and instant upload using Spring Boot 3.1.2 on the backend and native JavaScript with spark‑md5 on the frontend, covering configuration, code examples, and practical considerations.

BackendSpring Bootchunked upload
0 likes · 15 min read
Large File Upload, Chunked Upload, Resume and Instant Upload with Spring Boot and JavaScript
Mike Chen's Internet Architecture
Mike Chen's Internet Architecture
Jan 31, 2024 · Backend Development

Understanding Java JVM Garbage Collectors: From Serial to Shenandoah

This article explains the main Java JVM garbage collectors—including Serial, Parallel, CMS, G1, ZGC, Epsilon, and Shenandoah—detailing their architectures, pause characteristics, suitable workloads, and key advantages, helping developers choose the right collector for different application sizes and latency requirements.

BackendGarbage CollectionJVM
0 likes · 7 min read
Understanding Java JVM Garbage Collectors: From Serial to Shenandoah
php Courses
php Courses
Jan 31, 2024 · Backend Development

Understanding and Implementing Laravel Scopes for Eloquent Models

Laravel Scopes provide a powerful mechanism to define reusable query constraints for Eloquent models, covering global, local, anonymous, and dynamic scopes, with step‑by‑step instructions on creation, application, removal, and best practices, enhancing code reuse, readability, and maintainability in backend development.

BackendEloquentLaravel
0 likes · 13 min read
Understanding and Implementing Laravel Scopes for Eloquent Models
Architect
Architect
Jan 30, 2024 · Backend Development

How to Keep MySQL and Redis in Sync: Practical Cache Consistency Patterns

This article explains why cache inconsistency occurs between MySQL and Redis, then walks through four concrete design patterns—delete‑then‑update, update‑then‑invalidate, read/write‑through, and write‑behind—detailing each step, trade‑offs, and failure scenarios to help engineers choose the most suitable approach.

BackendCache Consistencycache-aside
0 likes · 9 min read
How to Keep MySQL and Redis in Sync: Practical Cache Consistency Patterns
php Courses
php Courses
Jan 30, 2024 · Backend Development

Understanding PHP 7.3 array_key_first() Function: Syntax, Usage, and Examples

PHP 7.3 introduces the array_key_first() function, which returns the first key of an array or null if empty; this article explains its syntax, provides code examples for retrieving the first key and checking for empty arrays, and highlights usage considerations and potential pitfalls.

ArraysBackendPHP
0 likes · 3 min read
Understanding PHP 7.3 array_key_first() Function: Syntax, Usage, and Examples
php Courses
php Courses
Jan 30, 2024 · Backend Development

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

This article explains PHP's array_fill() function, detailing its purpose, parameters, return values, and provides simple and multi‑dimensional examples illustrating how to create and populate arrays with a single value, including edge cases such as negative indices and zero length.

BackendPHPTutorial
0 likes · 5 min read
PHP array_fill() Function: Usage, Parameters, Return Values, and Examples
php Courses
php Courses
Jan 30, 2024 · Backend Development

Guide to Configuring a PHP gRPC Client with Docker and Composer

This tutorial provides a step‑by‑step guide to configuring a PHP gRPC client using proto files, Composer, Docker, and Docker‑Compose, covering project structure, code generation, autoload setup, Dockerfile creation, and client execution in a containerized environment.

BackendComposerMicroservices
0 likes · 9 min read
Guide to Configuring a PHP gRPC Client with Docker and Composer
Architect's Guide
Architect's Guide
Jan 30, 2024 · Backend Development

Understanding Nacos Architecture and Service Registration in Spring Cloud

This article explains the Nacos architecture, the principles of service registration, how Spring Cloud integrates with Nacos for automatic registration, the implementation details of NacosServiceRegistry, heartbeat mechanisms, registration via Open API/SDK, service address querying, and dynamic service discovery using HostReactor.

BackendNacosSpring Cloud
0 likes · 7 min read
Understanding Nacos Architecture and Service Registration in Spring Cloud