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TechnicalWhy I Built Custom Payment Integration Instead of Using Better Auth's Payment Plugin
A deep dive into the technical decisions behind LaunchSaaS's custom payment architecture and why we chose flexibility over convenience.
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Side ProjectLaunchSaaS is Here!
We are excited to announce the first public release of LaunchSaaS. Build your dream SaaS in hours, not weeks.
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ProgramHow to write a good unit test
A unit test is a type of software testing that focuses on verifying the correctness of individual units of a software system...
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InterviewInterview Guide to Message Middleware: RocketMQ
A comprehensive interview-oriented guide to RocketMQ, covering concepts, architecture, guarantees, and real-world usage patterns.
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Side ProjectA Programmer’s Side Project: Building a WeChat Mini Program
A real-world account of building and launching a WeChat Mini Program as a side project, including preparation, development, monetization, and pitfalls.
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ProgramA Deep Dive into Delayed Tasks: From Thread Pools to Timing Wheels
An in-depth exploration of delayed task scheduling, comparing common approaches such as ScheduledThreadPoolExecutor, timing wheels, and QMQ's delay message implementation.
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ProgramPublishing Your Own Open Source Project to Maven Central
A step-by-step guide to open-sourcing a Java project and publishing it to Maven Central using Sonatype OSSRH.
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ProgramJava Multithreading Explained: Concepts, Lifecycle, and Thread Pools
A comprehensive guide to Java multithreading, covering thread fundamentals, lifecycle, synchronization, and thread pool design.
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InterviewRedis Interview Guide: Concepts, Internals, and Real-World Pitfalls
A comprehensive Redis interview guide covering core concepts, data structures, consistency, persistence, high availability, and production troubleshooting.
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ProgramA Deep Dive into Node.js Worker Threads
An in-depth explanation of Node.js worker threads, how they work internally, and how to use them efficiently for CPU-intensive workloads.
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ProgramPerformance Comparison: Spring MVC vs Spring WebFlux
A performance comparison between Spring MVC and Spring WebFlux for IO-intensive workloads, based on real load testing results.
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ProgramKafka Overview: Architecture, Components, and Internals
An overview of Apache Kafka, covering its architecture, core components, and internal mechanisms based on Kafka 2.4.