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THE VIDEO SHELF · formal modeling with alloy

"Finding bugs without running or even looking at code" by Jay Parlar

Jay Parlar's Strange Loop talk shows how model checkers such as Alloy can find complex bugs in a system's design without running or reading any code. He walks through modeling architectures and checking every possible sequence of operations, including a real security bug and a UI feature-interaction bug.

Why HN readers recommended it

HN commenters point to it as the best practical introduction to Alloy and to lightweight formal modeling.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Strange Loop Conference
Topic
formal modeling with alloy
Format
talk
Level
intermediate
HN recommenders in dataset
4
HN mentions in dataset
4
Recommendation years in dataset
2019–2023

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • There was a fantastic talk at strangeloop this year on Alloy: [VIDEO] . The speaker used it to find a serious security bug in their live code and a feature interaction bug in their UI that had meant they had been writing broken code for …

    hwayne on Hacker News · 2019-10
    In Alloy is a language for describing structures and a tool for exploring them
  • I was exposed to alloy by this wonderful video: "Finding bugs without running or even looking at code" by Jay Parlar [VIDEO] I believe the general idea could be applicable in practice for core parts of most businesses software. So now I'm very interested in …

    ParetoOptimal on Hacker News · 2023-04
    In Modeling Git Internals in Alloy, Part 2: Commits and Tags
  • There's a great talk from StrangeLoop[0] where a presenter uses Alloy modelling in exactly the same manner: - generate a couple examples - see something wrong - add a rule - repeat [0] [VIDEO]

    kilotaras on Hacker News · 2020-04
    In Show HN: A basketball hoop to maximize shots that go in [video]

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.