demo · HACKER NEWS RECOMMENDATION
A Sudoku Solver in APL
Dyalog · 4 HN recommenders · 4 recommendation months
Recommended by 4 Hacker News commenters across 4 months (2015–2022).
SignalTube analysis
Among 13 other demo videos tagged Functional programming, the mean is 3.5 distinct HN recommenders. This video has 4 distinct HN recommenders, about 1.2× that mean. Recommendations span 4 distinct months; the peer average is 3.4 months. This is a data-derived comparison, not a human review or quality rating.
67% of its 6 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2015–2022; those years describe discussion history, not upload date. A verified runtime is not present in the current metadata snapshot. A verified YouTube publication date is not present in the current metadata snapshot.
- Channel / speaker
- Dyalog
- Verified runtime
- Not verified in the current YouTube metadata
- YouTube upload date
- Not verified
- Hacker News mention years
- 2015–2022
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other demo videos in Functional programming. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| A Sudoku Solver in APLCurrent video | 4 | 4 | 67% | — | Not verified in the current YouTube metadata | Not verified |
| Conway's Game Of Life in APLdemo · Dyalog | 11 | 10 | 55% | 1 (25%) | Not verified | Not verified |
| Interactive programming Flappy Bird in ClojureScriptdemo · Bruce Hauman | 6 | 6 | 67% | No recorded overlap | Not verified | Not verified |
| Symbolics Lisp Machine demo Jan 2013demo · Kalman Reti | 5 | 5 | 25% | No recorded overlap | Not verified | Not verified |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a strong recommendation in “Dyalog APL 18.2”. Its short rationale: Dyalog developer effortlessly writes Sudoku solver in APL.
The archive classifies this as a strong recommendation in “J Notation as a Tool of Thought”. Its short rationale: Scholes' illustrative APL videos.
The archive classifies this as a contextual reference in “Stages of denial in encountering K”. Its short rationale: Shows APL can be read and talked about.