foldU

6 ms·

1.
by foldU 5mo ago
This sounds like a really unpleasant shopping experience to me.
2.
by foldU 6mo ago
The geometric representation of AM/GM is very cool, but the first animation seems wrong to me, it should be varying the value of `b`, not the location of the circle, for it to make sense, no?
3.
by foldU 1y ago
I don’t mean to suggest it’s not sleazy—I think it’s sleazy by default. VC writing is not to be trusted.
4.
by foldU 1y ago
I don't think a post on a VC blog of all places should be considered "journalism"
5.
From hand-tuned Go to self-optimizing code: Building BitsEvolve(datadoghq.com)
11 points by foldU 1y ago|0 comments
6.
by foldU 1y ago
This is correct, I appreciate you for putting it so coherently :). I think I didn’t make it clear enough in the piece that I’m coming from a stance of fast access being table stakes, and the question being about how that’s accomplished.
7.
by foldU 1y ago
he addresses this, you simply get airline pilots to pick them
8.
How to Understand That Jepsen Report(buttondown.com)
4 points by foldU 1y ago|0 comments
9.
Automating the Blue Prince Parlor Puzzle(buttondown.com)
2 points by foldU 1y ago|0 comments
10.
Propositional Parlor Puzzle(buttondown.com)
27 points by foldU 1y ago|4 comments
11.
Darts, Dice, and Coins: Sampling from a Discrete Distribution (2011)(keithschwarz.com)
3 points by foldU 1y ago|0 comments
12.
by foldU 1y ago
Yes, it’s good
13.
It's Time to Stop Building KV Databases(buttondown.com)
65 points by foldU 1y ago|62 comments
14.
Thoughts on DuckDB's Grammar Patching Thing(buttondown.com)
34 points by foldU 2y ago|3 comments
15.
by foldU 2y ago
whoops! thank you!
16.
Fine, I'll Play With Skiplists(buttondown.com)
120 points by foldU 2y ago|15 comments
17.
Fine! I'll Play with Skiplists(buttondown.com)
2 points by foldU 2y ago|0 comments
18.
by foldU 2y ago
(author of OP) That post of yours was actually what got me tooling around with this stuff again :) it's a really excellent one
19.
by foldU 2y ago
You also don't really have to worry about convergence, since these are formal power series.
20.
Integrity Constraints and the Relational Derivative(buttondown.com)
1 points by foldU 2y ago|0 comments
21.
TPC-See?(buttondown.email)
2 points by foldU 2y ago|0 comments
22.
A Charming Algorithm for Count-Distinct(justinjaffray.com)
24 points by foldU 2y ago|1 comments
23.
A Card Counting Trick(buttondown.email)
2 points by foldU 2y ago|0 comments
24.
by foldU 2y ago
More deserves to be written on the ILP idea, I haven't actually tried to make it work but it seems to me like the only real direction to optimize ("optimize" used in the mathematical sense, rather than the programming sense)
25.
My First Distributed System(buttondown.email)
2 points by foldU 2y ago|0 comments
26.
A Sniff Test for Some Query Optimizers(buttondown.email)
2 points by foldU 2y ago|0 comments
27.
by foldU 3y ago
Ah my apologies, I wasn't familiar with that syntax.
28.
by foldU 3y ago
I think this one is obvious actually! There's no choice but to aggregate it at the level of the `xx` `SELECT`, no other level has access to the `x` column.
29.
by foldU 3y ago
(I'm the author of the original post [1]) And while I think the rules, in the end, make sense, I think it's not quite as clear cut as you describe, consider: SELECT (SELECT sum(1) FROM xx LIMIT 1) FROM aa; which returns
30.
by foldU 3y ago
I agree, I think the original sin here is the fact that whether a `SELECT` is an aggregation is determined by the contents of the scalar expressions at all. I think most of this weirdness comes directly out of wanting to be able to write bo

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