Paul SerbanSoftware Engineer
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#Idempotency

Posts

  • REST API Design: From First Principles to Advanced System Design PatternsA practical, engineering-first guide to designing REST APIs that scale - covering resource modeling, HTTP semantics, versioning, pagination, HATEOAS, idempotency, and the trade-offs that matter in production systems

    A complete guide to REST API design for engineers - from resource modeling and HTTP semantics to versioning, pagination, idempotency, and real production trade-offs.

    • #System Design
    • #REST API Design
    • #HTTP Semantics
    • #API Versioning
    • #Pagination Strategies
  • Cron Jobs: The Complete Engineering Guide to Scheduled Task ExecutionFrom Unix Daemons to Distributed Schedulers - Everything You Need to Build, Scale, and Survive Scheduled Workloads

    A deep technical guide to cron jobs for engineers - covering internals, cron syntax, pitfalls, distributed scheduling, and modern alternatives like Celery Beat and BullMQ.

    • #Cron Job
    • #Scheduled Tasks
    • #System Design
    • #Distributed Systems
    • #Reliability Engineering
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Snippets

  • Writing Idempotent Bulk-Rename Scripts in Bash: A Deep Dive into Safe Directory RefactoringHow a 40-line prefix-stripping script teaches the core disciplines of safe filesystem automation

    Learn how to build safe, idempotent bash scripts for bulk directory renaming, using a real prefix-stripping tool as a case study in dry-runs and strict mode.

    • #Software Engineering
    • #DevOps
    • #Bash Scripting
    • #Idempotency
    • #Git
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