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IT Architects Alliance
IT Architects Alliance
Dec 12, 2021 · Operations

System Performance Issue Analysis and Optimization Process for Business Applications

The article outlines a comprehensive process for diagnosing and optimizing performance problems in production business systems, covering causes such as high concurrency, data growth, hardware constraints, and detailing analysis of hardware, OS, database, middleware, JVM settings, code inefficiencies, and the role of monitoring and APM tools.

BackendDatabase TuningJVM
0 likes · 13 min read
System Performance Issue Analysis and Optimization Process for Business Applications
Architects Research Society
Architects Research Society
Dec 10, 2021 · Backend Development

Principled GraphQL: Ten Principles for Building, Maintaining, and Operating Data Graphs

This article presents ten GraphQL principles—grouped into integrity, agility, and operations—that guide the design, evolution, and safe production deployment of a unified data graph, emphasizing a single schema, collaborative implementation, versioned registries, performance monitoring, and robust access and demand controls.

BackendBest PracticesData Graph
0 likes · 19 min read
Principled GraphQL: Ten Principles for Building, Maintaining, and Operating Data Graphs
Selected Java Interview Questions
Selected Java Interview Questions
Dec 10, 2021 · Backend Development

A Comprehensive Guide to Spring Boot Actuator: Quick Start, Endpoints, and Monitoring

This article provides a step‑by‑step tutorial on using Spring Boot Actuator to monitor microservice applications, covering quick setup, essential endpoints such as health, metrics, loggers, info, beans, heapdump, threaddump and shutdown, endpoint exposure configuration, and securing them with Spring Security.

ActuatorBackendEndpoints
0 likes · 14 min read
A Comprehensive Guide to Spring Boot Actuator: Quick Start, Endpoints, and Monitoring
Dada Group Technology
Dada Group Technology
Dec 10, 2021 · Operations

Design and Practice of the Freight Business Check System (BCS)

The article introduces the freight BCS system, explains its business background, describes multiple validation modes for data consistency and business logic correctness, compares implementation approaches, and outlines the architecture, task flow, and future enhancements to improve system reliability and operational monitoring.

BackendData ConsistencyOperations
0 likes · 10 min read
Design and Practice of the Freight Business Check System (BCS)
Open Source Linux
Open Source Linux
Dec 9, 2021 · Backend Development

Inside Tomcat: How Java’s Popular Backend Server Works

Tomcat is an open‑source Java web server that implements core Java EE specifications such as Servlets and JSP, and its architecture includes containers, connectors, pipelines, valves, and lifecycle management, with detailed explanations of component roles, startup process, deployment, NIO handling, Comet, and asynchronous servlet support.

BackendJavaServlet
0 likes · 23 min read
Inside Tomcat: How Java’s Popular Backend Server Works
Code Ape Tech Column
Code Ape Tech Column
Dec 9, 2021 · Information Security

Customizing Exception Responses in Spring Security OAuth2

This article explains how to customize authentication and resource server exception messages in Spring Security OAuth2, covering the creation of custom translators, entry points, and filters, with step‑by‑step code examples and testing procedures for handling username/password errors, grant type errors, client credential errors, token expiration, and insufficient permissions.

AuthenticationBackendException Handling
0 likes · 10 min read
Customizing Exception Responses in Spring Security OAuth2
php Courses
php Courses
Dec 8, 2021 · Backend Development

Top 10 New Features in PHP 8.1

This article introduces the ten most important new features of PHP 8.1—including enums, fibers, the never return type, readonly properties, final class constants, array_is_list(), fsync/fdatasync, string‑key array unpacking, the $_FILES full_path key, and the IntlDatePatternGenerator class—each explained with clear code examples.

BackendEnumsFibers
0 likes · 15 min read
Top 10 New Features in PHP 8.1
Code Ape Tech Column
Code Ape Tech Column
Dec 6, 2021 · Information Security

Integrating OAuth2.0 with JWT in Spring Security – Advanced Tutorial

This article explains how to integrate OAuth2.0 with JWT token issuance in Spring Security, covering transparent vs opaque tokens, server‑side configuration, resource‑server validation, testing with Postman, and key source‑code snippets for a complete end‑to‑end authentication solution.

AuthenticationBackendJWT
0 likes · 9 min read
Integrating OAuth2.0 with JWT in Spring Security – Advanced Tutorial
IT Architects Alliance
IT Architects Alliance
Dec 6, 2021 · Backend Development

Mastering Distributed Transactions: From XA to TCC and Beyond

This article explains the fundamentals of database transactions, defines distributed transactions, and provides a comprehensive comparison of classic solutions such as XA, SAGA, TCC, local message tables, transaction messages, maximum‑effort notifications, and AT mode, while also covering exception handling and the sub‑transaction barrier technique.

BackendXAdistributed transactions
0 likes · 19 min read
Mastering Distributed Transactions: From XA to TCC and Beyond
Alibaba Cloud Native
Alibaba Cloud Native
Dec 5, 2021 · Backend Development

Why Dubbo3’s Triple Protocol Beats Traditional RPCs: A Deep Dive

This article explains how Dubbo3’s Triple protocol, built on HTTP/2 and compatible with gRPC, improves performance, routing, security, and usability over classic RPC protocols like Dubbo2 and HTTP/1.1, while offering cross‑language support, streaming, and seamless integration with cloud‑native service governance.

BackendRPCTriple
0 likes · 15 min read
Why Dubbo3’s Triple Protocol Beats Traditional RPCs: A Deep Dive
Selected Java Interview Questions
Selected Java Interview Questions
Dec 4, 2021 · Backend Development

Common Scenarios Where Spring @Transactional Does Not Take Effect

This article explains eight typical situations—such as using non‑transactional storage engines, missing Spring bean registration, non‑public methods, self‑invocation, absent transaction manager, incorrect propagation settings, swallowed exceptions, and wrong exception types—that cause the @Transactional annotation in Spring to appear ineffective, and provides practical solutions for each.

BackendDatabaseException Handling
0 likes · 7 min read
Common Scenarios Where Spring @Transactional Does Not Take Effect
Programmer DD
Programmer DD
Dec 3, 2021 · Backend Development

How Mybatis-Plus Enhances MyBatis: A Deep Dive into Its Core Implementation

This article explains how Mybatis-Plus extends MyBatis by injecting dynamic configuration XML, customizing mapper registration, and generating CRUD SQL statements through classes like MybatisSqlSessionFactoryBuilder, MybatisConfiguration, MybatisMapperRegistry, and various AbstractMethod implementations.

BackendJavaMyBatis
0 likes · 7 min read
How Mybatis-Plus Enhances MyBatis: A Deep Dive into Its Core Implementation
政采云技术
政采云技术
Dec 2, 2021 · Backend Development

Understanding Go's Error Handling: Design, Best Practices, and Common Pitfalls

This article explains the design of Go's error type, why errors are returned as pointers, compares error handling across languages, discusses panic, wild goroutines, sentinel and custom errors, and presents practical guidelines such as processing errors once, eliminating redundant checks, and wrapping errors for richer context.

BackendBest PracticesError Handling
0 likes · 13 min read
Understanding Go's Error Handling: Design, Best Practices, and Common Pitfalls
21CTO
21CTO
Dec 1, 2021 · Backend Development

How Much Faster Is PHP 8.1? In‑Depth Benchmark Results Across Versions

An extensive Phoronix benchmark on Ubuntu‑based AMD EPYC servers compares PHP 8.1 with earlier releases, revealing roughly 4 % speed gains over PHP 8.0, lower peak memory usage, and consistent performance improvements across micro‑benchmarks, XML parsing, and JSON generation.

BackendBenchmarkPHP
0 likes · 5 min read
How Much Faster Is PHP 8.1? In‑Depth Benchmark Results Across Versions
IT Architects Alliance
IT Architects Alliance
Nov 30, 2021 · Backend Development

Designing High‑Concurrency Architecture: Server Layout, Caching, Message Queues, and Distributed Strategies

The article explains how to design a high‑concurrency system by planning server architecture, load balancing, master‑slave databases, NoSQL clusters, caching layers, message‑queue based asynchronous processing, static‑content CDN, and automated redundancy to ensure scalability and reliability.

BackendBackend ArchitectureCaching
0 likes · 18 min read
Designing High‑Concurrency Architecture: Server Layout, Caching, Message Queues, and Distributed Strategies
Top Architect
Top Architect
Nov 29, 2021 · Backend Development

Design and Implementation of a High‑Concurrency Flash Sale (Seckill) System

This article presents a comprehensive analysis of flash‑sale (seckill) business characteristics, technical challenges, and architectural principles, offering detailed backend design solutions—including request interception, queue management, database sharding, caching strategies, optimistic locking, and anti‑cheating measures—to achieve high‑throughput, low‑latency processing for millions of concurrent users.

BackendDatabaseQueue
0 likes · 36 min read
Design and Implementation of a High‑Concurrency Flash Sale (Seckill) System
Programmer DD
Programmer DD
Nov 29, 2021 · Backend Development

Boost MyBatis Efficiency with the PageHelper Pagination Plugin

This article introduces MyBatis-PageHelper, a universal pagination plugin that supports a wide range of databases, explains how to configure custom dialect aliases, shows Maven and Spring integration, details numerous plugin parameters, and provides multiple code examples for various usage patterns.

BackendDatabaseJava
0 likes · 9 min read
Boost MyBatis Efficiency with the PageHelper Pagination Plugin
Architecture Digest
Architecture Digest
Nov 29, 2021 · Backend Development

Why Some Companies Require All APIs to Use POST Requests

The article examines why certain companies mandate POST for every API endpoint, comparing GET and POST differences such as security, payload size, data types, speed, intended usage, and caching, and concludes that POST suits large data submissions while GET is better for simple queries and static resources.

APIBackendPOST
0 likes · 4 min read
Why Some Companies Require All APIs to Use POST Requests
Code Ape Tech Column
Code Ape Tech Column
Nov 29, 2021 · Information Security

Implementing JWT-Based Authentication and Authorization with Spring Security in a Frontend‑Backend Separated Architecture

This article explains how to use Spring Security together with JWT to build a stateless authentication system for front‑end/back‑end separated applications, covering token issuance, refresh logic, custom filters, handlers, UserDetailsService implementation, global security configuration, and testing procedures.

AuthenticationAuthorizationBackend
0 likes · 12 min read
Implementing JWT-Based Authentication and Authorization with Spring Security in a Frontend‑Backend Separated Architecture
Laravel Tech Community
Laravel Tech Community
Nov 28, 2021 · Backend Development

What's New in PHP 8.1.0: Enums, Read‑only Properties, First‑class Callable Syntax, Fibers and More

PHP 8.1.0 introduces enums, read‑only properties, first‑class callable syntax, new initializers, intersection types, never return type, final class constants, explicit octal literals, fibers, string‑keyed array unpacking, and numerous performance optimizations, providing developers with richer language features and faster execution.

BackendPHP8.1performance
0 likes · 5 min read
What's New in PHP 8.1.0: Enums, Read‑only Properties, First‑class Callable Syntax, Fibers and More
Selected Java Interview Questions
Selected Java Interview Questions
Nov 27, 2021 · Backend Development

Understanding Java Stream API: Operations, Characteristics, and Performance Compared to Iterator

This article introduces Java 8's Stream API, explains its intermediate and terminal operations, highlights its functional characteristics, compares its performance with traditional iterator loops through benchmark tests, and offers practical recommendations for using streams and parallel streams in backend development.

BackendBenchmarkIterator
0 likes · 12 min read
Understanding Java Stream API: Operations, Characteristics, and Performance Compared to Iterator
iQIYI Technical Product Team
iQIYI Technical Product Team
Nov 26, 2021 · Backend Development

Analysis and Solutions for Load‑Balancing Issues in QLB‑4 Based TFServing Service Calls

The investigation of QLB‑4‑based TFServing calls revealed uneven traffic, stale routing after scaling, and idle servers due to layer‑4 hash routing, leading the team to replace QLB‑4 with a Consul‑driven client‑side load‑balancer that dynamically pools servers, eliminates restarts, and cuts GPU waste.

BackendConsulQLB-4
0 likes · 11 min read
Analysis and Solutions for Load‑Balancing Issues in QLB‑4 Based TFServing Service Calls
TAL Education Technology
TAL Education Technology
Nov 25, 2021 · Backend Development

Design and Implementation of a Code‑less Distributed Task Orchestration Platform for XES

This article presents a comprehensive design and implementation of a drag‑and‑drop, code‑less workflow orchestration system that abstracts business logic into DAG‑based state machines, detailing architecture, core data structures, Go code examples, and two practical use cases for arithmetic and data‑consumption scenarios.

BackendDistributedGolang
0 likes · 18 min read
Design and Implementation of a Code‑less Distributed Task Orchestration Platform for XES
Architecture Digest
Architecture Digest
Nov 25, 2021 · Backend Development

Performance Optimization of a Java Backend Service: Reducing CPU Load, Improving Hystrix Circuit Breaking, and Fixing Spring Data Binding Issues

This article details a two‑week effort to diagnose and resolve high CPU usage, server load, Hystrix circuit‑breaker inefficiencies, and Spring data‑binding exceptions in a Java backend service, resulting in doubled QPS capacity, stable circuit breaking under heavy traffic, and significant performance gains.

BackendCircuit BreakerHystrix
0 likes · 16 min read
Performance Optimization of a Java Backend Service: Reducing CPU Load, Improving Hystrix Circuit Breaking, and Fixing Spring Data Binding Issues
Java Architect Essentials
Java Architect Essentials
Nov 24, 2021 · Backend Development

Understanding Spring Bean Scopes: Singleton vs Prototype

This article explains the differences between Spring's singleton and prototype bean scopes, describing how singleton beans are cached and shared across requests while prototype beans are created anew each time, and discusses their performance advantages, thread‑safety drawbacks, and practical implications for developers.

BackendBean ScopeJava
0 likes · 5 min read
Understanding Spring Bean Scopes: Singleton vs Prototype
Sohu Tech Products
Sohu Tech Products
Nov 24, 2021 · Frontend Development

Modularization Practices in Vivo Game Center: Componentization, Configuration, and Experimentation

This article explains how Vivo Game Center adopted a modular architecture—combining componentization, configuration, and experiment-driven deployment—to enable rapid, flexible UI layout adjustments, unified backend processes, and data-driven A/B testing, thereby improving development efficiency and user‑targeted operations.

AB testingBackendSoftware Architecture
0 likes · 17 min read
Modularization Practices in Vivo Game Center: Componentization, Configuration, and Experimentation
MaGe Linux Operations
MaGe Linux Operations
Nov 24, 2021 · Backend Development

Mastering Go Circuit Breakers: Boost System Resilience with gobreaker

This article explains how to use the Go gobreaker library to implement circuit‑breaker patterns, describing its three states, state transitions, configurable parameters, and providing full source‑code examples to help developers improve fault tolerance in micro‑service architectures.

BackendCircuit BreakerGo
0 likes · 9 min read
Mastering Go Circuit Breakers: Boost System Resilience with gobreaker
Top Architect
Top Architect
Nov 24, 2021 · Cloud Computing

Design and Architecture of a Cloud Shopping Cart System

This article explains the functional purpose, layered and cluster designs, distributed architecture, caching strategies, asynchronous checks, storage heterogeneity, payment solutions, and anti‑bot mechanisms of a cloud‑based shopping cart, highlighting stability, high performance, elasticity, and fault‑tolerance.

BackendDistributedShopping Cart
0 likes · 5 min read
Design and Architecture of a Cloud Shopping Cart System
Architecture Digest
Architecture Digest
Nov 24, 2021 · Backend Development

Java Performance Optimization Tips and Best Practices

This article presents a comprehensive set of Java performance optimization guidelines—including proper use of singletons, avoiding excessive object creation, preferring primitive types, minimizing synchronized blocks, and leveraging efficient collection initialization—supported by code examples and explanations to help developers write faster, more memory‑efficient Java applications.

BackendJavacoding
0 likes · 22 min read
Java Performance Optimization Tips and Best Practices
FunTester
FunTester
Nov 24, 2021 · Backend Development

Mastering Java Stream Collectors: Practical Examples and Code Walkthrough

This article provides a hands‑on guide to Java 8 Stream Collectors, demonstrating how to use toList, toSet, toCollection, toMap, summingInt, joining, groupingBy, partitioningBy and related collectors with clear code examples and output results.

BackendCollectorsDataAggregation
0 likes · 11 min read
Mastering Java Stream Collectors: Practical Examples and Code Walkthrough
FunTester
FunTester
Nov 23, 2021 · Backend Development

Master Go WebSocket with Gorilla: Build, Test, and Compare Clients

This guide walks through using the Gorilla WebSocket library in Go, covering dependency setup, server implementation with an Upgrader, Java and Go client examples, testing procedures, and performance observations that highlight Go's advantages for WebSocket workloads.

BackendGoclient-server
0 likes · 6 min read
Master Go WebSocket with Gorilla: Build, Test, and Compare Clients
IT Architects Alliance
IT Architects Alliance
Nov 23, 2021 · Backend Development

Design and Architecture of a Cloud Shopping Cart System

The article explains the functional purpose, early evolution, layered and clustered design, distributed technical architecture, caching, asynchronous checks, heterogeneous storage, payment solutions, and anti‑bot measures of a cloud‑based shopping cart, highlighting stability, performance, elasticity, and fault‑tolerance.

BackendCachingDistributed Systems
0 likes · 6 min read
Design and Architecture of a Cloud Shopping Cart System
Java Architect Essentials
Java Architect Essentials
Nov 21, 2021 · Backend Development

Comprehensive Guide to Apache Log4j2: Features, Performance, Configuration, and Usage

This article provides an in‑depth overview of Apache Log4j2, comparing it with Logback and Log4j 1, highlighting its superior asynchronous performance, zero‑GC operation, flexible configuration formats, rich appender ecosystem, and practical code examples for Maven integration, XML setup, and advanced logging techniques.

BackendJavaLogging
0 likes · 11 min read
Comprehensive Guide to Apache Log4j2: Features, Performance, Configuration, and Usage
Beike Product & Technology
Beike Product & Technology
Nov 19, 2021 · Backend Development

Implementing a Hystrix‑Style Circuit Breaker in the PHP Ecosystem: Principles, Design, and Practice

This article explains the problem of service avalanche in distributed systems, introduces the Hystrix circuit‑breaker concept and its four command modes, evaluates existing PHP implementations, and details the design and implementation of a custom hystrix‑ex Composer package that integrates with Guzzle middleware for high‑concurrency fault tolerance.

Backendcircuit-breakerfault tolerance
0 likes · 14 min read
Implementing a Hystrix‑Style Circuit Breaker in the PHP Ecosystem: Principles, Design, and Practice
php Courses
php Courses
Nov 19, 2021 · Backend Development

PHP 8.1 Introduces the array_is_list() Function

PHP 8.1 introduces the built‑in array_is_list() function, which determines whether an array’s keys form a sequential list starting at zero, simplifying checks that previously required manual verification, and the article provides usage examples, code snippets, and a link to the RFC.

BackendPHParray_is_list
0 likes · 3 min read
PHP 8.1 Introduces the array_is_list() Function
Open Source Tech Hub
Open Source Tech Hub
Nov 19, 2021 · Backend Development

How to Add Custom Super‑Admin Functions in Casbin

This guide explains step‑by‑step how to create, register, and use a custom function in Casbin to support multiple super‑admin users, including code examples for PHP anonymous functions and Enforcer registration.

BackendCasbinPHP
0 likes · 3 min read
How to Add Custom Super‑Admin Functions in Casbin
FunTester
FunTester
Nov 19, 2021 · Backend Development

Simplify Complex JSON Creation in Java with Double‑Brace Initialization

When integrating a third‑party API, building deeply nested JSON structures can become cumbersome, but using Java's double‑brace initialization for maps and JSONObjects dramatically reduces boilerplate code while keeping the payload readable and maintainable.

BackendCode OptimizationJSON
0 likes · 5 min read
Simplify Complex JSON Creation in Java with Double‑Brace Initialization
Top Architect
Top Architect
Nov 18, 2021 · Backend Development

Comprehensive Guide to Building a Startup Backend Technology Stack

This article provides a detailed, step‑by‑step guide for startups to design and select a complete backend technology stack, covering language choices, components, processes, systemization, and the practical evaluation of tools such as project management, DNS, load balancing, databases, messaging, CI/CD, monitoring, and deployment.

BackendDatabasesDevOps
0 likes · 30 min read
Comprehensive Guide to Building a Startup Backend Technology Stack
php Courses
php Courses
Nov 18, 2021 · Backend Development

Pure Intersection Types in PHP 8.1

The article explains PHP 8.1’s pure intersection types, how they differ from union types, demonstrates their use with an example function that combines multiple interfaces, and provides links to the official RFC and related PHP 8.1 feature articles.

BackendIntersection TypesPHP
0 likes · 3 min read
Pure Intersection Types in PHP 8.1
IT Architects Alliance
IT Architects Alliance
Nov 17, 2021 · Backend Development

Design and Implementation of a Payment Center Architecture

This article outlines the objectives, call flow, architectural design, and potential challenges of a payment center system that unifies transaction, payment, and finance services, detailing its four main modules, data handling, and integration with third‑party payment channels.

BackendSystem Designarchitecture
0 likes · 8 min read
Design and Implementation of a Payment Center Architecture
Laravel Tech Community
Laravel Tech Community
Nov 17, 2021 · Backend Development

MDword: PHP Library for Dynamically Generating Word Documents – Features, Update Log, and Comparison with PHPWord

MDword is a PHP library that enables dynamic Word document generation by focusing on data and logic while allowing style adjustments through Word templates, offering features such as field updates, bug fixes, automatic table of contents, and a richer template‑based workflow compared to PHPWord.

Backenddocument-automationmdword
0 likes · 2 min read
MDword: PHP Library for Dynamically Generating Word Documents – Features, Update Log, and Comparison with PHPWord
Python Programming Learning Circle
Python Programming Learning Circle
Nov 17, 2021 · Backend Development

Using Blinker for Signal Handling in Python and Flask

This article introduces the concept of signals, explains how the Python Blinker library implements them with named, anonymous, and multicast signals, demonstrates various usage patterns including decorators and receiver checks, and shows how to integrate Blinker with Flask for request‑level event handling.

BackendBlinkerFlask
0 likes · 10 min read
Using Blinker for Signal Handling in Python and Flask
php Courses
php Courses
Nov 16, 2021 · Backend Development

Understanding PHP 8.1 Fibers: Theory, Practical Use, and Limitations

This article explains the concept of PHP 8.1 Fibers, compares synchronous and parallel HTTP request handling, shows how to implement simple asynchronous workflows with sockets or ReactPHP, and discusses why Fibers are low‑level building blocks rather than a complete async solution.

AsyncBackendConcurrency
0 likes · 8 min read
Understanding PHP 8.1 Fibers: Theory, Practical Use, and Limitations
Programmer DD
Programmer DD
Nov 16, 2021 · Backend Development

Why @Transactional Might Fail in Spring and How to Fix It

This article explains common reasons why Spring's @Transactional annotation can become ineffective—such as self‑invocation, non‑public methods, multiple data sources, incorrect rollback settings, and unsupported database engines—and provides concrete code examples and solutions to ensure proper transaction management.

AOPBackendDatabase
0 likes · 7 min read
Why @Transactional Might Fail in Spring and How to Fix It
DeWu Technology
DeWu Technology
Nov 16, 2021 · Databases

Full-Chain Load Testing: Redis Large-Key and Memory Leak Issues and Solutions

Full‑chain load testing uncovered a Redis large‑key bottleneck that saturated bandwidth, a memory‑leak caused by repeatedly registering shutdown hooks, and persistently high JVM heap usage, leading to solutions of key sharding with local caching, registering hooks only once, and adjusting heap size, physical memory, and alert thresholds.

BackendMemory LeakRedis
0 likes · 7 min read
Full-Chain Load Testing: Redis Large-Key and Memory Leak Issues and Solutions
Laravel Tech Community
Laravel Tech Community
Nov 15, 2021 · Backend Development

go-zero Framework Overview and Latest Updates

go-zero, a CNCF‑listed cloud‑native web and RPC framework, offers a minimalist API definition tool (goctl) that generates client code for multiple platforms, and provides built‑in microservice governance features such as TLS, rate‑limiting, circuit‑breaking, and seamless integration, with the latest release adding TLS support for REST, ZRPC, Redis, etc.

API generationBackendRPC
0 likes · 3 min read
go-zero Framework Overview and Latest Updates
Laravel Tech Community
Laravel Tech Community
Nov 15, 2021 · Backend Development

session_save_path — Get or Set the Current Session Save Path (PHP)

The article explains PHP's session_save_path function, detailing its syntax, how it returns or sets the session storage directory, the required path parameter, and the necessity to call it before session_start(), providing essential guidance for backend developers managing session data.

BackendFunctionsPHP
0 likes · 1 min read
session_save_path — Get or Set the Current Session Save Path (PHP)
php Courses
php Courses
Nov 15, 2021 · Backend Development

PHP 8.1: New in Initializers

PHP 8.1 adds support for using the new expression as a default value in constructors, property promotions, static variables and global constants, enabling objects to be instantiated directly in initializer syntax while preserving lazy construction semantics.

8.1Backendinitializers
0 likes · 5 min read
PHP 8.1: New in Initializers
Java High-Performance Architecture
Java High-Performance Architecture
Nov 15, 2021 · Backend Development

Unlock Enterprise-Level Data Management with MyBatis-Mate: Sharding, Encryption, and Dynamic DDL

mybatis-mate extends MyBatis with enterprise-grade capabilities such as sharding, multi-datasource routing, data audit, sensitive-word filtering, field encryption, dictionary binding, dynamic DDL generation, data-scope permissions, and performance logging, providing a comprehensive solution for agile and secure data handling in Java backend applications.

BackendDynamic DDLJava
0 likes · 15 min read
Unlock Enterprise-Level Data Management with MyBatis-Mate: Sharding, Encryption, and Dynamic DDL
Architecture Digest
Architecture Digest
Nov 14, 2021 · Backend Development

Quick Guide to Integrating GraphQL with Spring Boot

This tutorial shows how to quickly add GraphQL support to a Spring Boot web project by creating a Maven project, adding custom dependencies, defining schema files, implementing resolvers and a controller, and testing query and mutation endpoints, all without using the official graphql‑java‑tools starter.

APIBackendGraphQL
0 likes · 10 min read
Quick Guide to Integrating GraphQL with Spring Boot
MaGe Linux Operations
MaGe Linux Operations
Nov 13, 2021 · Backend Development

How to Build a Robust High‑Concurrency Flash Sale System

This article examines the challenges of implementing a flash‑sale (秒杀) system—such as overselling, massive concurrency, request throttling, and database strain—and proposes a comprehensive backend architecture using separate databases, dynamic URLs, static pages, Redis clustering, Nginx, token‑bucket rate limiting, asynchronous order processing, and service degradation strategies.

BackendRate Limitingflash sale
0 likes · 14 min read
How to Build a Robust High‑Concurrency Flash Sale System
Laravel Tech Community
Laravel Tech Community
Nov 11, 2021 · Backend Development

session_name — Getting and Setting PHP Session Name

The article explains PHP's session_name() function, describing how it returns the current session name, optionally sets a new name when a parameter is provided, details the allowed name format, return behavior, and includes a practical code example.

BackendSessionweb-development
0 likes · 2 min read
session_name — Getting and Setting PHP Session Name
php Courses
php Courses
Nov 11, 2021 · Backend Development

PHP 8.1 Enums: Introduction and Usage

This article explains PHP 8.1’s native enum feature, covering basic enum definitions, typed properties, methods, backed enums, serialization, case listing, reflection, traits, and practical code examples to help backend developers adopt enums in their projects.

BackendEnumsPHP
0 likes · 6 min read
PHP 8.1 Enums: Introduction and Usage
FunTester
FunTester
Nov 11, 2021 · Backend Development

Building and Testing WebSocket Services in Go: A Hands‑On Guide

This article walks through developing a simple Go WebSocket server that echoes the current time, shows a minimal client, compares startup speed with Java, and provides full source code and test logs for practical performance testing.

BackendGoperformance
0 likes · 7 min read
Building and Testing WebSocket Services in Go: A Hands‑On Guide
Tencent Cloud Middleware
Tencent Cloud Middleware
Nov 10, 2021 · Backend Development

Mastering RabbitMQ: Core AMQP Concepts, Features, and Consumption Models

This article provides a comprehensive overview of RabbitMQ, covering the AMQP protocol fundamentals, key components such as connections, channels, exchanges, queues, and bindings, as well as message structures, various messaging patterns, consumption models, financial‑grade features, and a detailed feature comparison.

AMQPBackendMessage queue
0 likes · 14 min read
Mastering RabbitMQ: Core AMQP Concepts, Features, and Consumption Models
Laravel Tech Community
Laravel Tech Community
Nov 9, 2021 · Backend Development

session_id — Get/Set the Current Session ID (PHP)

The article explains PHP's session_id() function, showing how to retrieve or set the current session ID, the optional id parameter requirements, character restrictions for different session handlers, and the function’s return behavior, including using the SID constant for URL integration.

BackendPHPSession
0 likes · 2 min read
session_id — Get/Set the Current Session ID (PHP)
Laravel Tech Community
Laravel Tech Community
Nov 8, 2021 · Backend Development

PHP session_destroy – Destroy All Data in a Session

The article explains PHP's session_destroy function, which deletes all data stored in the current session without resetting global variables or the session cookie, describes its return values, and provides a complete example showing how to start a session, clear variables, optionally remove the session cookie, and finally destroy the session.

BackendPHPSession
0 likes · 2 min read
PHP session_destroy – Destroy All Data in a Session
Laravel Tech Community
Laravel Tech Community
Nov 7, 2021 · Backend Development

session_cache_limiter — Retrieve and Set Cache Limiter

The session_cache_limiter function returns the current cache limiter name, defines HTTP cache‑control policies such as nocache, public, and private, accepts an optional limiter argument, and can be used in PHP scripts to control client and proxy caching behavior.

BackendCacheSession
0 likes · 2 min read
session_cache_limiter — Retrieve and Set Cache Limiter
MaGe Linux Operations
MaGe Linux Operations
Nov 7, 2021 · Cloud Native

Master Kubernetes Interviews: 128 Essential Questions & Answers

This article compiles 128 high‑frequency Kubernetes interview questions covering fundamentals, architecture, networking, storage, security, and operational best practices, helping developers and engineers prepare comprehensively for K8s‑related job interviews.

BackendInterviewcloud-native
0 likes · 12 min read
Master Kubernetes Interviews: 128 Essential Questions & Answers
Laravel Tech Community
Laravel Tech Community
Nov 7, 2021 · Backend Development

session_cache_expire — Returns the Current Cache Expiration Time in PHP

This article explains the PHP function session_cache_expire(), describing its purpose of returning the current session cache expiration value in minutes, its optional parameter for setting a new expiration time, the default return value, and provides a complete example demonstrating how to configure and display the cache limiter and expiration settings.

BackendCacheSession
0 likes · 2 min read
session_cache_expire — Returns the Current Cache Expiration Time in PHP
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Nov 7, 2021 · Backend Development

Comprehensive Overview and Source Code Analysis of the MyBatis Persistence Framework

This article provides a detailed introduction to MyBatis, covering its relationship with JDBC, core components, execution flow, configuration, design patterns, caching strategies, plugin mechanisms, logging options, dynamic SQL features, and includes complete Java and XML code examples to illustrate practical usage.

BackendDesign PatternsJava
0 likes · 19 min read
Comprehensive Overview and Source Code Analysis of the MyBatis Persistence Framework
Xueersi Online School Tech Team
Xueersi Online School Tech Team
Nov 5, 2021 · Backend Development

Go Unit Testing: Concepts, Practices, and Patterns

This article introduces the testing pyramid, explains unit testing concepts, and provides a step‑by‑step guide for writing Go unit tests using the standard testing package, the AAA pattern, Testify assertions, mocks, and test suites, while highlighting the benefits of fast verification, documentation, and sustainable development.

BackendGolangMock
0 likes · 18 min read
Go Unit Testing: Concepts, Practices, and Patterns
YunZhu Net Technology Team
YunZhu Net Technology Team
Nov 5, 2021 · Backend Development

Practical Java Performance Optimization: Metrics, Bottleneck Identification, and Governance Strategies

This article shares practical Java performance‑optimization techniques, covering UI and non‑UI latency metrics, baseline data collection, bottleneck discovery with tools like Arthas, chronic issue handling, and a comprehensive set of governance measures ranging from network‑level caching to code‑level refactoring, asynchronous processing, and service splitting to achieve stable sub‑200 ms response times.

ArthasBackendCaching
0 likes · 19 min read
Practical Java Performance Optimization: Metrics, Bottleneck Identification, and Governance Strategies
Code Ape Tech Column
Code Ape Tech Column
Nov 5, 2021 · Backend Development

Integrating JSR‑303 Bean Validation into Spring Boot: A Comprehensive Guide

This article explains how to seamlessly integrate JSR‑303 Bean Validation with Spring Boot, covering the underlying concepts, required dependencies, built‑in and Hibernate‑specific constraints, simple, group and nested validation techniques, result handling, the role of spring‑boot‑starter‑validation, and how to create custom validation annotations and validators.

BackendBean ValidationJSR-303
0 likes · 17 min read
Integrating JSR‑303 Bean Validation into Spring Boot: A Comprehensive Guide
FunTester
FunTester
Nov 5, 2021 · Backend Development

Master Java ReentrantLock: Simple Thread‑Safe Coding Without synchronized

This article introduces Java's ReentrantLock as an easy-to‑use alternative to synchronized, explains its core lock() and unlock() methods, demonstrates practical code examples, and covers advanced APIs such as tryLock, getQueueLength, isLocked, and getHoldCount for robust multithreaded programming.

BackendConcurrencyJava
0 likes · 5 min read
Master Java ReentrantLock: Simple Thread‑Safe Coding Without synchronized
Laravel Tech Community
Laravel Tech Community
Nov 4, 2021 · Backend Development

session_status — Returns the Current Session Status

The article explains PHP's session_status() function, which takes no arguments and returns an integer indicating whether sessions are disabled, enabled without an active session, or enabled with an active session, providing developers with a simple way to check session state.

BackendSessionphp-function
0 likes · 1 min read
session_status — Returns the Current Session Status
Code Ape Tech Column
Code Ape Tech Column
Nov 3, 2021 · Backend Development

Best and Bad Practices for Using Java Optional

This article explains the purpose of Java 8's Optional class, illustrates common misunderstandings, lists several bad usage patterns, and provides a set of recommended best‑practice APIs and tips to help developers handle nullable values safely and elegantly in backend Java code.

BackendBest PracticesJava
0 likes · 13 min read
Best and Bad Practices for Using Java Optional
Programmer DD
Programmer DD
Nov 2, 2021 · Backend Development

Top Nginx Interview Questions: Master High‑Concurrency Web Server Concepts

This article compiles essential Nginx interview questions covering its definition, key features, differences from Apache, request handling mechanisms, master‑worker architecture, proxy types, module usage, and common configuration directives, providing a comprehensive guide for backend engineers preparing for technical interviews.

BackendConcurrencyInterview
0 likes · 14 min read
Top Nginx Interview Questions: Master High‑Concurrency Web Server Concepts
Laravel Tech Community
Laravel Tech Community
Nov 1, 2021 · Backend Development

virtual() – Executing an Apache Subrequest

The PHP function virtual() is an Apache‑specific routine that performs a sub‑request, allowing inclusion of CGI scripts or .shtml files by executing the specified filename and returning TRUE on success or FALSE on failure.

ApacheBackendsubrequest
0 likes · 2 min read
virtual() – Executing an Apache Subrequest
Selected Java Interview Questions
Selected Java Interview Questions
Oct 31, 2021 · Backend Development

Interview Experiences and Technical Questions from Major Chinese Tech Companies (JD, Meituan, Alibaba, Toutiao, Kuaishou)

The author, a second‑year master's student in Java backend development, summarizes interview questions and experiences from JD, Meituan, Alibaba, Toutiao and Kuaishou, covering Java concurrency, JVM locking, Netty, Redis, MySQL/HBase, distributed systems, and several algorithm problems.

BackendHBaseInterview
0 likes · 15 min read
Interview Experiences and Technical Questions from Major Chinese Tech Companies (JD, Meituan, Alibaba, Toutiao, Kuaishou)
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Oct 31, 2021 · Backend Development

Comprehensive Guide to Using Spring RestTemplate for HTTP Requests

This article provides a detailed tutorial on Spring's RestTemplate class, covering its overview, setup, and extensive examples of GET, POST, file download, header handling, dynamic URL parameters, and integration with HttpClient and OkHttp, along with complete code snippets and best‑practice recommendations for backend Java development.

APIBackendHTTP
0 likes · 25 min read
Comprehensive Guide to Using Spring RestTemplate for HTTP Requests
Laravel Tech Community
Laravel Tech Community
Oct 31, 2021 · Backend Development

getallheaders — Retrieve All HTTP Request Header Information in PHP

The article explains PHP's getallheaders function, which returns an associative array of all HTTP request headers for the current request (or FALSE on failure), lists its lack of parameters, describes the return value, and provides a sample code snippet demonstrating its usage.

Backendgetallheadersphp-function
0 likes · 1 min read
getallheaders — Retrieve All HTTP Request Header Information in PHP