bewaretheirs

9 ms·

61.
by bewaretheirs 2y ago
Plumbers (in the US at least) appear to have well established apprenticeship systems, often run by their local unions; I've seen advertisements in a major sports facility looking for people interested in working as plumbers/pipefi
62.
by bewaretheirs 2y ago
Another recent case of cargo by sail that may be a bit more practical: ESA is now sending rocket subassemblies across the Atlantic (to their launch site in French Guyana) in a hybrid ship equipped with both sails and diesel; the linked arti
63.
by bewaretheirs 3y ago
> Have one array grow normally from location#0, and the second array grow backwards from location#End. The stack in most ISAs and ABIs grows down from a high address, allowing this trick to be used to divide memory flexibly between heap
64.
by bewaretheirs 3y ago
it was part of the binary malware payload hidden in a binary blob of "test data". In a compression/decompression test suite, a subtly broken allegedly compressed binary blob is not out of place. This suggests we need to audit
65.
by bewaretheirs 3y ago
not sure if it was a factor in the API design, but SPARC's fixed-size register windows give you space for 8 parameters. Perhaps it's just coincidence, but vmem_xalloc() takes exactly 8 parameters!
66.
by bewaretheirs 3y ago
The article in Nature referenced but not named or linked from the article could be either: "Melting ice solves leap-second problem — for now" https://www.nature.com/articles/d41586-024-00850-x "A global
67.
by bewaretheirs 3y ago
See Bonwick & Adams, "Magazines and Vmem: extending the slab allocator to many CPUs and arbitrary resources" from 2001: https://www.usenix.org/conference/2001-usenix-annual-technic... The most general all
68.
by bewaretheirs 3y ago
If you can have "long long", why not "short short"? In that alternate universe, char could be 8 bits, short short 16, short 32, and int 64.
69.
by bewaretheirs 3y ago
Historically they worked well enough (on 16-bit and 32-bit machines) because sizeof(pointer) == sizeof(int) == sizeof(general register) on the architectures where C flourished in the pre-ANSI C era. But with the migration to 64-bit machines
70.
by bewaretheirs 3y ago
As a NATO member, they'll have to promise to spend 2% of their GDP on defense -- though once they make the promise they will probably be able to get away with spending less!
71.
by bewaretheirs 3y ago
Paper cartridges packaging one projectile with one shot's worth of powder were in widespread use in the 16h century. https://en.wikipedia.org/wiki/Paper_cartridge
72.
by bewaretheirs 3y ago
> Bullets didn’t exist when the 2nd amendment was created Uh, what? Wikipedia dates the first bullet to the 13th century: > Fire lance barrels made of metal appeared by 1276.[30] Earlier in 1259 a pellet wad that filled the barrel w
73.
by bewaretheirs 3y ago
Gilbert and Sullivan's "Ruddigore" (first performed in 1887) features a chorus of "professional bridesmaids" who are experiencing a bit of a lull in business: Hannah: Nay, gentle maidens, you sing well but vainl
74.
by bewaretheirs 3y ago
The message was no doubt a parody of the Hallmark (greeting card company) advertising tagline of "When you care enough to send the very best".
75.
by bewaretheirs 3y ago
MSS (maximum segment size) is the term at the TCP layer. Each end of a connection can (and usually does) declare its MSS in a TCP option in the first packet it sends. Advertised MSS, interface MTU, and route MTU can all constrain packet si
76.
by bewaretheirs 3y ago
it's not a blog - it's a DNSSEC validator tool that gives you a pretty diagram of which keys are signing what. There are others around which I won't link to right now lest they get clobbered too.
77.
by bewaretheirs 3y ago
ECDSA is available in DNSSEC, and there is a slow migration to ECC in progress; see https://stats.dnssec-tools.org/#/?dnssec_param_tab=0 The .EDU, .NET, and .COM zones were recently migrated from RSA to ECDSA (DNSSEC a
78.
by bewaretheirs 3y ago
When your programs are running on a VM, the linux that loads and runs your binaries is not at the bottom; that linux image runs inside a virtual machine which is constructed and supervised by a hypervisor which sits underneath it all. That
79.
by bewaretheirs 3y ago
As I understand it, there's linux running on the Google Cloud hardware but the virtualized networking and storage stacks in Google Cloud are google proprietary and largely bypass linux -- in the case of networking see the "Snap: a
80.
by bewaretheirs 3y ago
In practice it appears that a suicidal pilot will wait for the other pilot to leave the cockpit to use the lavatory and then lock them out: see: https://en.wikipedia.org/wiki/Germanwings_Flight_9525 and: https:/&
81.
by bewaretheirs 3y ago
I would have said that the comma recalls the way that comma is used inside backquoted expressions.
82.
by bewaretheirs 3y ago
there have been bags of astronaut poop on the moon since the Apollo era.
83.
by bewaretheirs 3y ago
The damage to the Apollo 13 service module that caused oxygen tank 2 to rupture almost certainly happened well before launch during ground testing. See https://nssdc.gsfc.nasa.gov/planetary/lunar/ap13acc.html
84.
by bewaretheirs 3y ago
This was one of the early RFCs from the era when they were issued on paper.. One notable bit about this (and what caused it to appear in the RFC series) was that the conversation happened over the ARPAnet - it was driven over the network fr
85.
by bewaretheirs 3y ago
Yes, some can. Unbound's "private-address" and "private-domain" directives control this. Similarly, bind9 has "deny-answer-addresses" (with an "except-from" option so you can specify local domain
86.
by bewaretheirs 3y ago
1.1 is gone but I'm still seeing the 1.0 entry.
87.
by bewaretheirs 3y ago
For Othello, picking the positionally best square (corners very good, adjacent to corners very bad, 2 squares from corner good, etc.) beats lookahead, likely because having unflippable pieces in good positions leads to large swings in score
88.
by bewaretheirs 3y ago
And sometimes it can result in DNA test results showing that children are not related to their mother, if when you swab the mother you don't get the same lineage as the one that developed into her ovaries: https://embryo.asu
89.
by bewaretheirs 3y ago
I don't know Chinese but Google translate says "贤" means "virtuous", "worthy", or "able". Is that word plausibly used to refer to devices to mean "it works" or "it passes tests&quo
90.
by bewaretheirs 3y ago
Getting to space (above the Karman line at ~100km altitude) is one thing; staying there is another. There is a short accessible summary of the difference between "in space" and "in orbit" at https://what-if.xk

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