ptspts

10 ms·

121.
by ptspts 5y ago
Is it easy to dig down to the core, apart from the temperature issues?
122.
by ptspts 5y ago
It is proven that Turing machines can recognize a wider class of languages than Chomsky regular expressions. However, the article uses something more powerful than Chomsky regular expressions, because they contain backreferences (as \2 and
123.
by ptspts 5y ago
Even though it's US-centric, it's still easy to do correctly for most non-US English speakers, even for non-natives.
124.
by ptspts 5y ago
Is there any case where a shutdown() right before a close() makes a difference?
125.
by ptspts 5y ago
As a user, when I write a search query as a space-separated list of n words, I expect to see documents which contain all of those words (or synonyms). I absolutely don't want to see documents which contain only n-1 of the specified w
126.
by ptspts 5y ago
Shameless plug: local file tagging software for Linux, which stores tags in extended attributes: https://github.com/pts/ppfiletagger
127.
by ptspts 5y ago
A possible outcome of this regulation: all Android and iOS payments get disabled in South Korea, paid apps become unavailable.
128.
by ptspts 5y ago
Why not use the LORR to extend the distance?
129.
by ptspts 5y ago
For thousands of arguments this sloution is much slower (high CPU usage) than xargs, because either it implements the logic as a shell script (slow) or it runs an external program for each argument (slow).
130.
by ptspts 5y ago
USB storage tends to disconnect aftera few days on Linux (tested with various USB-powered and mains-powered HDDs), and the only way tho resume is physically disconnecting and reconnecting the device.
131.
by ptspts 5y ago
No need to use a .pac file for configuring site-based HTTP(S) proxy selection in modern browsers. I've just installed the FoxyProxy extension (works in Chrome and Firefox), and I was able to specify regexps for the URL, and select the
132.
by ptspts 5y ago
Wrap the script with:if :; ...; fi; exit
133.
by ptspts 5y ago
This doesn't work if $0 contains whitespace. Fix it by using "$0" instead.
134.
by ptspts 5y ago
Why is there a difference of goroutine leak behavior between channels with or without a length?
135.
by ptspts 6y ago
I've learnt Perl from the man pages. They are interesting and insightful.
136.
by ptspts 6y ago
This hypothesis is easy to test: disable uBlock temporarily for thaf site.
137.
by ptspts 6y ago
This page has a benchmark graph, but without labels on the axes, thus it doesn't even say which algorithm was faster. My guess is that smaller y values indicate proportionally faster executions.
138.
by ptspts 6y ago
In Switzerland a train transfer time of 3 minutes in the schedule is not unheard of. You can easily make it, the two trains involved stop on the opposite side of the same platform.
139.
by ptspts 6y ago
mtools, containing the mformat and mcopy tools.
140.
by ptspts 6y ago
Sealing the prediction it is not requirement. All predictions are public as soon as they are published. It is a requirement though that a predictor shouldn't be able to publish contradicting predictions without easily being caught.
141.
How to publish an irrevocable prediction or pledge?
2 points by ptspts 6y ago|3 comments
142.
by ptspts 6y ago
Which hosting provider and product provides such free-tier cloud VMs?
143.
by ptspts 6y ago
112 MB is way overkill for a command-line tool which can issue a few commands over ssh. This should be a shell script shorter than 5 KiB.
144.
by ptspts 6y ago
Here is another tradeoff. Many PIV smartcards (such as YubiKey 4, if I'm not mistaken) are able to store only a single private key. With U2F (ecdsa-sk), the number of SSH keys is unlimited. Another tradeoff. Some users may be using a c
145.
by ptspts 6y ago
FYI Another client-side software dependency: libfido2 >=1.3.0. It doesn't work with libfido2 1.2.x or earlier. Also, if it doesn't work on your client system only because OpenSSH 8.2 was compiled without `configure --with-secu
146.
by ptspts 6y ago
I managed to make this work today as described in the article, after installing and configuring the software dependencies. Client-side hardware dependencies: * USB token with U2F (FIDO) support. FIDO2 is optional. Any old YubiKey or similar
147.
by ptspts 6y ago
A list of even more practical pieces of production code in Rust: https://wiki.mozilla.org/Oxidation#Shipped
148.
by ptspts 7y ago
p7zip, the portable version of 7-Zip works on Linux, macOS and other Unix systems as well. It also has a Debian package. Data recovery from that FAT32 filesystem would have worked identically in p7zip (and 7-Zip).
149.
by ptspts 7y ago
Your suggestion doesn't work on Linux: $ echo 'exit 42' >xprog $ chmod 755 xprog $ python -c 'import os; os.execv("./xprog", ["./xprog"])'; echo $? Traceback (most recent c
150.
by ptspts 7y ago
https://github.com/pts/pts-xtiny for creating similarly small i386 ELF executables from C source, without the usual libc overhead. hello_world.c compiles and links to ~200 bytes.

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