pkhuong
pkhuong on Hacker News
Both are pretty rare now, but Danielle is the more common spelling. It also matches the way the -elle is used as a suffix in many diminutives (e.g., cervelle, ruelle, passerelle)
> Approach. QueryBrew builds a refined SQL statement by passing
an input query through Umbra’s [11] state-of-the-art optimizer
and distilling the resulting optimized plan back into SQL
> Any interface with thousands of individual pieces is difficult to use.
Standard libraries considered harmful: 100 interfaces with 10 pieces each are obviously easier to use.
Regardless of the array's size, the expected win from early exit on random keys is a constant number of iterations.
There's only 254 entries to search from. No locality issue in sight.
If you need a compact byte -> bit lookup table on x86, consider using the memory form of the bit test (BT) instruction.
At least two "quantum" computing places built on SBCL.
Posted by
pkhuong on Saturday February 21, 2026 @06:16PM
from the github.com dept.
I don't see any explanation of what niche this targets relative to pre-existing tools like Checked C, CMBC, or Frama C...
Yeah, you can use index on expression and views to ensure the expression matches, like
https://github.com/fsaintjacques/recordlite . The view + index approach decouples the convenience of having a column for a given expression and the need to materialise the column for performance.
> Just don't use C for sending astronauts in space
But do use C to control nuclear reactors https://list.cea.fr/en/page/frama-c/
It's a lot easier to catch errors of omission in C than it is to catch unintended implicit behavior in C++.
> Won't it introduce risk of invalid memory access
no.
> only helps once you are compute rather than bandwidth bound
Asymptotically, I don't think Strassen performs Theta(n^3) memory operations in sub-n^3 time.
The target audience knows what a waveform is.
SPMC ring buffer or SPMC "disruptor" aren't that bad. Multiple producers in a general ring buffer definitely introduce a lot of issues.
And this naturally extends to data replication.
RM Pro (and this new product) has a backlight. I print everything to pdf when I want to read on the remarkable.
Yeah, just decode. But that's nice because the effect is independent of the backend's state.
NVIDIA-inflicted in this case.
One easy slip-up with discussing p values in the context of a workflow or a decision-making process is that a process with p < 0.05 doesn't give us any bound on the actual ratio of actually good VS lucky changes. If we only consider good changes, the fraction of false positive changes is 0%; if we only consider bad changes, that fraction is 100%. Hypothesis testing is no replacement for insight or taste.
> start reading the coredump from stdin
How does that work with multi-TB mappings, as used by niche functionality like asan?
You can run jemalloc configured with 16KB pages on a 4KB page system.
> Do you have examples for problems that are easier to solve in fixed-width SIMD?
Regular expression matching and encryption come to mind.