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Posts (EN)

2026

  1. EN

    Do Git Compression and HTTP Buffer Settings Really Speed Up Clones?
  2. EN

    Fast civil_from_days with Julian Map and Packed Table
  3. EN

    A Faster days_from_civil Using Magic-Number Division
  4. EN

    Faster Day-of-Week Calculation with Magic Numbers
  5. EN

    The Titles in Wigmore Hall's Booking Form
  6. EN

    Practical AWS FinOps: Cost Management from Unit Economics to Optimization
  7. EN

    Python Defaults That Hurt Performance
  8. EN

    Why Dependency Reduction Is Still Hard

2025

  1. EN

    How to Reduce AWS Lambda Cold Start Times by Shrinking Deployment Package Size
  2. EN

    Table-Driven Programming: An Underrated Superpower
  3. EN

    Optimizing Queries with Functional Indexes: A Practical Guide
  4. EN

    Production Readiness Checklist: Avoid Commonly Overlooked Mistakes
  5. EN

    AWS Config Advanced Query: SQL-Like Queries for Fast Cloud Insights
  6. EN

    Breaking the Cost Chain: A Deep Dive into Reducing AWS Costs via Service Dependency Optimization
  7. EN

    AWS Cost Optimization Techniques for Databricks on AWS Workloads
  8. EN

    How Busy Engineers Can Reduce Datadog Costs with Actionable Tips