| --- Log opened Mon Oct 22 00:00:11 2018 |
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| 05:58 | <&Reiver> | I recall hearing numbers (that are far too round to be true, but probably a 'teaching you orders of magnitude' deal) were that Napoleonic guns could manage, at best, 5km, and at 500m/s that resulted in a roughly 2.5m deflection at the most extreme... |
| 05:58 | <&Reiver> | ...and if you're firing a napoleonic era gun 5km... let's just say your gunnery corps would be /thrilled/ to have to worry about a measurable 2.5m issue in accuracy. |
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| 06:08 | <&Reiver> | They were definitely accounting for it by WWI, however, especially with the big ones. |
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| 15:21 | < [R]> | Bash question: a less stupid way to do: echo $(seq ${f} | sed 's/[0-9]*/| l |/g') | sed 's/| |/|/g'? |
| 15:21 | < [R]> | (Where f is a usually single-digit integer) |
| 15:28 | < [R]> | 4 would be "| l | l | l | l |" |
| 15:42 | < simon_> | $ perl -sE 'say "| l " x $n . "|"' -- -n=5 |
| 15:42 | < simon_> | | l | l | l | l | l | |
| 15:43 | < simon_> | -s enables passing arguments to the script via command-line (so you avoid double-escaping), and -E enables 'say' which is just a fancy print. |
| 15:43 | < simon_> | sorry, -e would be evaluate expression in argument, and -E is "experimental evaluation" (some more features enabled). 'say' just adds newline. |
| 15:45 | < simon_> | I have a question. I'm making a page at work that depends on a public API we're also exposing. the API has keys. our external subscribers use the API in their back-ends, but the page I'm making is actually a VueJS page, so I'm doing API requests in the front-end, which means I'm exposing my API key. |
| 15:46 | < simon_> | what's the recommended way of doing this stuff safely? should I restrict domain access to each token and hope that people don't snatch API keys of others and fake the referer in their requests? |
| 15:47 | < simon_> | otherwise, I guess, you need something like a shared secret, like RSA. where my back-end sends a temporary token or something like that. but I can't believe that's very common for public APIs. but meh... |
| 15:48 | < simon_> | [R], $ perl -se 'print "| l " x $n . "|\n"' -- -n=5 |
| 15:48 | < simon_> | | l | l | l | l | l | |
| 15:48 | < simon_> | [R], want a more BASH-ish way than just calling another language? :D |
| 15:49 | < [R]> | Kind of yeah |
| 15:49 | < [R]> | I'm thinking I need to rewrite this entire script in something else anyways |
| 15:49 | < [R]> | But ATM I don't have time for that |
| 15:51 | < simon_> | $ printf '| l %.0s' {1..5}; printf '|' |
| 15:51 | < simon_> | {1..5} is bash expansion. |
| 15:52 | < simon_> | reminds me of this old t-shirt: https://www.thinkgeek.com/product/374d/ |
| 15:54 | < simon_> | or: printf '| l %.s' $(seq 1 $n); print '|' |
| 15:54 | < simon_> | since those expansions apparently don't work with variables. |
| 15:54 | < simon_> | https://stackoverflow.com/questions/5349718/how-can-i-repeat-a-character-in-bash |
| 15:55 | < [R]> | Yeah, that was my main issue :p |
| 15:55 | < [R]> | I knew about {1..3} |
| 15:55 | < [R]> | But I had no means of knowing what "3" would be |
| 16:02 | < [R]> | Yeah... nested loops and text processing in bash is D: |
| 16:02 | < [R]> | (I'm generating TeX files from multiple CSVs) |
| 16:11 | < gnolam_> | https://imgur.com/gallery/QrCGfZZ |
| 16:11 | < gnolam_> | Way, way too accurate. :-/ |
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| 16:34 | < [R]> | Yeah. Totally rewritting this shit |
| 16:34 | | * [R] just spent the last hour debugging a counter loop |
| 16:47 | <&McMartin> | R: I think Diffie-Hellman EC25519 is still the easiest acceptable shared-secret generator |
| 16:48 | < [R]> | What are you responding to? |
| 16:48 | < [R]> | I meant that's interesting, just seems like you're replying to a really old conversation |
| 16:49 | | * Vornicus uses a handcart to rotate McMartin towards simon_ |
| 16:49 | <&McMartin> | Oh yes, that was at simon_, not you |
| 16:49 | <&McMartin> | ANd yeah, I only just got online after about 18 hours off |
| 16:50 | <&McMartin> | "libsodium is still really good" is I guess a more general observation |
| 17:00 | < [R]> | http://point-at-infinity.org/ssss/ |
| 17:03 | <&McMartin> | Neat |
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| 22:42 | < [R]> | "I cant browse my own network but i can browse the web. Whats wrong with qemu?" |
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| 22:55 | <@gnolam> | Is that a koan? |
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| 22:58 | <&jeroud> | I love that such a thing exists. I don't love having to copy/paste three out of five passwords from our password manager to unseal Vault every time we need to restart it. |
| 22:59 | <&jeroud> | (Regarding ssss.) |
| 23:05 | < [R]> | Does it actually use ssss? |
| 23:06 | < [R]> | Eitherway, if you store all three in the same place, it seems kind of pointless |
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| --- Log closed Tue Oct 23 00:00:12 2018 |