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Muse – Meta’s personal AI agent

https://ai.meta.com/muse/
267•yks•5h ago•255 comments

Large language models develop novel social biases through adaptive exploration

https://openreview.net/challenge?redirect=%2Fforum%3Fid%3Dpc7fqaOcAH
78•paimapi•3h ago•43 comments

How to build a printer

https://nishantjosh.dev/blogs/how-to-build-a-fking-printer/
115•cat-whisperer•3h ago•25 comments

AlphaGenome Atlas: a high-resolution map of human DNA

https://blog.google/innovation-and-ai/models-and-research/google-deepmind/alphagenome-atlas/
482•utiiiD•9h ago•115 comments

Navier-Stokes – Tristan Buckmaster [pdf]

https://cims.nyu.edu/~tristanb/statement.pdf
1210•procedurecall•19h ago•531 comments

On the Navier–Stokes Millennium Prize Problem

https://openai.com/index/navier-stokes-solution/
1083•tedsanders•7h ago•944 comments

A Topological Picture Book, Rendered

https://e-infinity.space/picture-book/
40•mathgenius•2h ago•4 comments

DaVinci Resolve 21.1

https://www.blackmagicdesign.com/media/release/20260908-03
345•tosh•11h ago•154 comments

The Microeconomics of Artificial Intelligence (2025)

https://direct.mit.edu/books/oa-monograph/6067/The-Microeconomics-of-Artificial-Intelligence
21•neehao•2d ago•6 comments

Benchmarking Qwen3.8 27B quantizations: 4-bit holds up, 1-bit collapses

https://quesma.com/blog/qwen38-27b-quantizations-benchmarked/
207•stared•10h ago•104 comments

Kimi K3 (2.8T) at 1 token/s on a MacBook Pro, streamed from four SSDs

https://github.com/argonautlabsai/deltafin
202•Argonautlabs•4h ago•102 comments

I-have-ADHD: A skill to stop coding agents from burying the answer

https://github.com/ayghri/i-have-adhd
304•domhudson•10h ago•241 comments

Animation in Bevy: The Big Picture

https://glocq.com/en/blog/20260827/
41•ibobev•4h ago•2 comments

Mercury 2.5

https://www.inceptionlabs.ai/blog/introducing-mercury-2-5
118•Topfi•4h ago•15 comments

Implementation of GCC's Nested Functions (vs. C++ Lambdas)

https://uecker.codeberg.page/2026-09-05.html
54•uecker•3d ago•9 comments

Getting phpBB 1.4.4 working in Docker

https://www.thran.uk/writ/devlog/2026/09/phpbb-144-in-docker.html
15•HeckFeck•1d ago•3 comments

Show HN: LLM Attention Visualization

https://ishamf.dev/p/llm-attention-visualizer/
117•ifz•7h ago•19 comments

Tracing np.add, all the way down

https://blog.veitheller.de/numpy.html
34•luu•4d ago•2 comments

Replacing a Rust Enum with a 64-Bit Word Made My Interpreter 17% Faster

https://pointersgonewild.com/2026-08-25-replacing-a-rust-enum-with-a-64-bit-word/
78•metrofun•3d ago•36 comments

The Helicopter with Radioactive Blades

https://hackaday.com/2026/09/07/the-helicopter-with-radioactive-blades/
146•zdw•1d ago•43 comments

Show HN: Copperhead – Cursor for circuit boards

https://copperhead.sh/
204•animeshchouhan•11h ago•78 comments

Tao: Open math problems being non-renewably mined by AI

https://mathstodon.xyz/@tao/117237320796901560
107•_alternator_•3h ago•77 comments

We built our house for LAN parties (2024)

https://lanparty.house/
406•fittingopposite•3d ago•307 comments

Reverse Engineering an ASIC

https://kjartanvandriel.github.io/asic/
24•burekqueen•1d ago•4 comments

The two Christian saints who are the Buddha

https://signoregalilei.com/2026/08/30/the-two-christian-saints-who-are-secretly-the-buddha/
215•surprisetalk•10h ago•149 comments

The 92-Year-Old Mathematician and the Teenage Apprentice

https://www.nytimes.com/2026/09/06/science/92-year-old-mathematician-apprentice.html
135•robinhouston•2d ago•11 comments

C*: Unifying Programming and Verification in C (2025)

https://arxiv.org/abs/2504.02246
69•rramadass•8h ago•41 comments

Connecting the machines

https://herdr.dev/blog/connecting-the-machines/
76•collinmanderson•8h ago•26 comments

AlphaGenome Atlas predictive map of every DNA letter change in the human genome

https://deepmind.google/blog/alphagenome-atlas-a-predictive-map-of-every-possible-dna-letter-chan...
78•fady0•10h ago•11 comments

ZX Spectrum: Experimenting with 1-Bit Sound

https://bumbershootsoft.wordpress.com/2026/09/05/zx-spectrum-experimenting-with-1-bit-sound/
92•ibobev•10h ago•28 comments
Open in hackernews

Anatomy of a SQL Engine

https://www.dolthub.com/blog/2025-04-25-sql-engine-anatomy/
168•ingve•1y ago

Comments

jimbokun•1y ago
Very nice write up enumerating all the stages of SQL query execution. Interesting even if you don’t care about the DoIt database specifically.
Austizzle•1y ago
Man, this title tripped me up for a minute because I pronounce it with the letters like Ess-Queue-Ell

So the "A" in "A ess-queue-ell" engine felt like it should have been an "An" until I realized it was meant to be pronounced like "sequel"

perching_aix•1y ago
Not necessarily, I see native speakers completely ignore this a lot.

Have you ever considered pronouncing it as squirrel by the way?

kreetx•1y ago
Many (most?) non-native English speakers do pronounce it as ess-queue-ell, especially in their own languages, so yes, the use of "a" instead of "an" does look off from that perspective.
SloopJon•1y ago
When I read SQL for Dummies almost thirty years ago, it made a point of distinguishing "sequel" as a historical predecessor to standard "SQL." As I recall, the author even asserted that SQL is not an acronym/initialism for structured query language. I felt funny saying sequel for the next decade or so, because I wasn't an old timer experienced with this pre-SQL technology.

Now I usually say sequel because everyone else does. That and it rolls off the tongue better than S-Q-L.

jtolmar•1y ago
I prefer "ess queue ell" these days, but the first DBA I ever worked with pronounced it "squirrel".
gopalv•1y ago
This is a great write up about a pull-style volcano SQL engine.

The IR I've used is the Calcite implementation, this looks very concept adjacent enough that it makes sense on the first read.

> tmp2/test-branch> explain plan select count() from xy join uv on x = u;

One of the helpful things we did was to build a graphviz dot export for the explains plans, which saved us days and years of work when trying to explain an optimization problem between the physical and logical layers.

My version would end up displayed as SVG like this

https://web.archive.org/web/20190724161156/http://people.apa...

But the calcite logical plans also have that dot export modes.

https://issues.apache.org/jira/browse/CALCITE-4197

th0ma5•1y ago
This is really great!!
gavinray•1y ago
Calcite also has a relatively-unknown web tool for plan visualization that lets you step through execution.

It's a method from "RuleMatchVisualizer":

https://github.com/apache/calcite/blob/36f6dddd894b8b79edeb5...

Here's a screenshot of what the webpage looks like, for anyone curious:

https://github.com/GavinRay97/GraphQLCalcite/blob/92b18a850d...

ignoreusernames•1y ago
I recommend anyone who works with databases to write a simple engine. It's a lot simpler than you may think and it's a great exercise. If using python, sqlglot (https://github.com/tobymao/sqlglot) let's you skip all the parsing and it even does some simple optimizations. From the parsed query tree it's pretty straightforward to build a logical plan and execute that. You can even use python's builtin ast module to convert sql expressions into python ones (so no need for a custom interpreter!)
Abde-Notte•1y ago
Second this - building even a simple engine gives real insight into query planning and execution. Once parsing is handled, the core ideas are a lot more approachable than they seem.
albert_e•1y ago
Sorry for slight digression.

In a larger system we are building we need a text-to-sql capability for some structured data retrieval.

Is there a way one could utilize this library (sqlglot) to build a multi-dialect sql generator -- that is not currently solved by directly relying on a LLM that is better at code generation in general?

LtdJorge•1y ago
This is a SQL to X library, though. I don’t think it’s what you need.
gavinray•1y ago
You can use an LLM to generate query-builder expressions from popular libraries in whatever language.

For example, on the JVM there is jOOQ, which allows you to write something like:

  select(field("foo"), avg("bar")).from(table("todos"))
And then it will render dialect-specific SQL. It has very advanced emulation functionality for things like JSON aggregations and working around quirks of dialects.

Alternatively, you can ask an LLM to generate a specific dialect of SQL, and then use jOOQ to parse it to an AST, and then render it as a different dialect, like:

    val parser= DSL.using(SQLDialect.POSTGRES).parser()
    val parsedQuery = parser.parseQuery(postgresQuery)
    val renderedMySQL = DSL.using(SQLDialect.MYSQL).renderInlined(parsedQuery)
    println(renderedMySQL)
Unsure if functionality like this exists in other Query Builder libraries for other languages.
KyleBrandt•1y ago
Using dolthub's go-mysql-server for Grafana's upcoming SQL expressions feature (private preview in Grafana 12, but in the OSS version with a feature toggle).

GMS lets you provide your own table and database implementations, so we use GMS to perform SQL queries against Grafana's dataframes - so users can join or manipulate different data source queires, but we don't have to insert the data into SQL to do this thanks to GMS.

genai-analyst•1y ago
another digression here... sorry... i see you're trying to diy text-to-sql—at some point you're gonna hit a bunch of hiccups. like, the model writes a query that “almost” works but joins the wrong tables, or it assumes column names that don’t exist, or it returns the wrong agg because it misread the intent. and retries won’t always save you—it’ll just confidently hallucinate again.

we’ve been through all of that at wobby.ai we ended up building a system where the data team defines guardrails and reusable query templates, so the agent doesn’t just make stuff up. it can still handle user prompts, but within a safe structure. if you want to save yourself from debugging this stuff endlessly, might be worth checking out wobby.ai.