tkhattra

7 ms·

31.
by tkhattra 3y ago
yep, the authors of "Embracing Modern C++ Safely" [1] are Bloomberg folks [1] https://vittorioromeo.info/emcpps.html
32.
by tkhattra 3y ago
Andy Valencia's open source microkernel VSTa [1] from the early 90's was inspired by QNX and Plan 9. [1] https://sources.vsta.org:7100/vsta/index
33.
Al Gore and the Internet (2000)(amsterdam.nettime.org)
2 points by tkhattra 3y ago|0 comments
34.
A Brief History of Warehouse-Scale Computing (2021) [pdf](barroso.org)
2 points by tkhattra 3y ago|0 comments
35.
by tkhattra 3y ago
check out the setpriv command - https://man7.org/linux/man-pages/man1/setpriv.1.html
36.
by tkhattra 3y ago
i spent a couple of memorable weeks a few decades ago between jobs reading up on erlang, including joe armstrong's (RIP) wonderful phd thesis. when i started, erlang looked "strange" (i hadn't done much prolog in uni). b
37.
by tkhattra 3y ago
it supports different commit modes (see [1]) - nosync, async, and sync. you can choose the more expensive but safer async or sync modes if you're willing to tolerate higher commit latency. [1] https://questdb.io/docs&#x
38.
by tkhattra 4y ago
LZ77 and LZ78 are ubiquitous, forming the basis of compression schemes used in ZIP, PNG, GIF, and Yann Collet's Zstandard. [0] https://en.wikipedia.org/wiki/LZ77_and_LZ78
39.
Jacob Ziv has died(twitter.com)
710 points by tkhattra 4y ago|87 comments
40.
by tkhattra 4y ago
i submitted it ~4 days ago with the title "Ken Thompson's 75 year project", but the title was evidently too boring to gain any traction :) (like some others have commented, the raspbian os "revelation" was the leas
41.
How did Dennis Ritchie produce his PhD thesis? A typographical mystery (2022) [pdf](cs.princeton.edu)
477 points by tkhattra 4y ago|163 comments
42.
Ken Thompson's 75 year project(youtube.com)
4 points by tkhattra 4y ago|0 comments
43.
by tkhattra 4y ago
the latter - you can either have multiple concurrent readers or a single writer. see https://duckdb.org/faq.html#how-does-duckdb-handle-concurren... .
44.
The Origin of the “MIT License” (2020)(ieeexplore.ieee.org)
67 points by tkhattra 4y ago|19 comments
45.
by tkhattra 4y ago
sorry, yes i meant randombytes()
46.
by tkhattra 4y ago
getrandombytes() in librandombytes uses getrandom() or getentropy() or /dev/urandom (in decreasing order of priority), while getrandombytes() above uses /dev/urandom exclusively.
47.
Librandombytes – a public domain library for generating randomness(randombytes.cr.yp.to)
82 points by tkhattra 4y ago|77 comments
48.
by tkhattra 4y ago
yes, we use BEGIN IMMEDIATE with a 2 second busy timeout. that has a worst case wait time of 2 seconds, but the 95th percentile wait time is around 100 to 1000 microseconds and the 99th percentile is around 1 to 10 milliseconds. for a high
49.
by tkhattra 4y ago
> Only send writes from a single process depending on your use case, using multiple writer processes can be fine, e.g. multiple writer processes storing periodic metrics (once per minute) into a single sqlite database. the occasional &qu
50.
by tkhattra 4y ago
i don't think that's the text of the entire book - it looks like a scrape of the book's former website (www.programmingpearls.com).
51.
by tkhattra 4y ago
bentley revised and updated some of his "programming pearls" columns and published them in 2 editions of books published circa 1986 and 2000. they are among my favorite computer science books, and a great companion to more theoret
52.
by tkhattra 4y ago
> he said he hoped students today looked at biology the way he looked at computer science back in the 50s and 60s that's interesting, i believe ken thompson said something similar re: getting into biology in an interview about 20 ye
53.
Fred Brooks has died(twitter.com)
1516 points by tkhattra 4y ago|211 comments
54.
by tkhattra 4y ago
djb had a similar tool called 'nobuf', released as part of his ptyget package [0] way back on comp.sources.unix during the usenet era [0] http://jdebp.info/Softwares/djbwares/bernstein-ptyget.html
55.
by tkhattra 4y ago
a workaround to get the latest and greatest podman on debian/ubuntu is to use opensuse's kubic repo - it's even mentioned on the podman installation page [0]. but they don't recommend it for production use (though i have
56.
by tkhattra 4y ago
the bpftool-prog(8) man page documents the bpftool-prog subcommands
57.
by tkhattra 4y ago
ironically, it was Microsoft cryptographer Marsh Ray who said "Everybody knows ECB mode is bad because we can see the penguin." [1] [1] Serious Cryptography, Jean-Philippe Aumasson
58.
by tkhattra 4y ago
one thing to be aware of is that duckdb doesn't currently allow concurrent readers and writers (unlike sqlite). depending on your use case, that might be a showstopper.
59.
by tkhattra 4y ago
[1] is a particular one regarding specification languages and types. its background description about a "rabidly pro-types" referee is quite interesting... [1] http://lamport.azurewebsites.net/pubs/pubs.html#l
60.
by tkhattra 4y ago
the paper mentions that CLP comes with a default set of schemas, but you can also provide your own rules for better compression and faster search

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