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Comparator contract violations in aircraft stand sorting

Third post about the engineering inside an airport slot coordination platform. The first two — lossless schedule repacking and conflict detection with Union-Find — were about algorithms I designed.

  • Comparator violated its general contract, causing Java exception.
  • Aircraft stand sorting system experienced inconsistent comparisons.
  • Comparator redesign ensured adherence to Java's Comparator laws.

Tech

Elevating security, control, and accessibility: Stack Internal 2026.6

In our 2026.6 release, we are shipping updates across administrative security, programmatic API control, developer portal integrations, and platform-wide accessibility—ensuring both your engineers and…

  • Stack Internal 2026.6 focuses on security, control, and accessibility improvements.
  • New Security settings page in Admin console for session and request governance.
  • Enhanced accessibility with over a dozen bug fixes and improved developer integrations.

Tech

Learning `just`: A Practical Task Runner

Learning just : A Practical Task Runner for Developers Coming From Make I've been learning just recently. I came across it while setting up a Python project and looking for a simple way to collect all…

  • "just" emerges as practical task runner for developers
  • No .PHONY declarations needed like Make
  • "just --list" provides built-in task listing

Tech

CQR and sirar by stc sign agreement to strengthen OT cybersecurity and critical infrastructure protection in Saudi Arabia

CQR (Absolute Solution for Cybersecurity Co.), Saudi Arabia’s first company specializing in operational technology (OT) cybersecurity and critical infrastructure protection, has signed a Master Services Agreement (MSA) with sirar by stc, establishing a framework for collaboration to deliver specialized cybersecurity solutions and services…

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