gchristensen changed the topic of #nixos-chat to: NixOS but much less topical || https://logs.nix.samueldr.com/nixos-chat
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<joepie91> death to games that require specifically XBOX360 controllers
* joepie91 stares daggers at Borderlands 2
* DigitalKiwi reads backlog brother also makes sewing machines and i have a cutting machine/plotter
<DigitalKiwi> cutting machine/plotter/scanner/embosser
<DigitalKiwi> brother scan n cut
<DigitalKiwi> it's pretty neat
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<joepie91> welp
<joepie91> wanted to play a game tonight
<joepie91> instead, I spent 2 hours hunting down controller issues
<joepie91> no actual game was played
<joepie91> I... don't even think I can blame Linux for this one
<samueldr> having a console might not have helped if you kept it offline rather than play regularly, imagine the multiple updates you'd have to go through!
<lovesegfault> gchristensen: They really are amazing machines
<lovesegfault> Hers has these decorative stitches
<lovesegfault> It can stitch crocodiles!
<joepie91> samueldr: in this case it seems to be a weird issue with Borderlands 2
<samueldr> joepie91: if it's done through steam, did you try going through big picture mode so it does some shenanigans with the controllers?
<samueldr> not sure how it is now... more than a year since the last time I looked at that
<joepie91> it also flips out on certain menus, as if I'm repeatedly pressing up and down, but I've confirmed that no such thing is happening
<joepie91> but it continues interpreting it wrong
<joepie91> samueldr: not Steam
<joepie91> I've triple-checked and my analog stick mapping really is correct
<samueldr> ps3 controllers?
<joepie91> using a generic PS2 controller USB clone, a dragonrise/microntek thingem
<samueldr> or maybe gyros on another kind of controllers can do the same weird thing
<samueldr> ah, not likely then
<joepie91> <.<
<joepie91> the kind that works in everything EXCEPT FOR BORDERLANDS 2 APPARENTLY
<samueldr> ps3 gyros can get messy quickly
<joepie91> samueldr: I mean, I've looked at evtest output
<joepie91> unplugged every other USB device
<joepie91> I am pretty convinced there are no ghost inputs :P
<samueldr> yeah, sorry, I was sharing other fun stuff I faced :D
<joepie91> I have actually had a similar issue before
<joepie91> with an IR receiver for a remote
<joepie91> which would keep sending some sort of keypress
<joepie91> but it's not currently attached, and that one showed up in debug output
<joepie91> and Borderlands 2 doesn't play ball with non-XBOX360 controllers anyway :P
<joepie91> I had to emulate one via xboxdrv to get it to recognize anything at all
<samueldr> yeah, xinput is kinda annoying
<samueldr> that's what I *think* big picture did as shenanigans at some point
<samueldr> intercept all controllers and present them as xinput devices
<joepie91> nono xinput works fine
<joepie91> the problem is that Borderlands 2 says "fuck you, standard controller API, I'm gonna talk to XBOX360 controllers only"
<samueldr> uh, that's what I mean here, xinput the xbox 360 API for controllers
<samueldr> or maybe I'm wrong on its name
<joepie91> (this is a problem on both Windows and Linux, and it's where the need for emulation comes from)
<joepie91> you're probably thinking of DirectInput
<joepie91> but that is Windows-only
<joepie91> on Linux it's something else
<joepie91> hm
<joepie91> I am confusing it with something else I think
<samueldr> I just realised that xinput could be a name for something else too
<joepie91> whatever, too many knots to untangle :D
<samueldr> since X and input...
<joepie91> yeah that is how I interpreted it
<joepie91> because afaik that is xinput also
<samueldr> though "xinput controller" is something that you can see with non-xbox controllers so they react like those ones
<joepie91> this is presumably what the "xbox mode" switch on some controllers is for
<joepie91> unrelated: I wonder if one could type out text with a gamepad... reasonably...
<cole-h> So... any ZFS masters know why I can't mount a newly-created fs at /var/lib/libvirt/images? I get `filesystem 'rpool/system/var/lib/libvirt/images' cannot be mounted at '/var/lib/libvirt/images' due to canonicalization error 2.`
<cole-h> Oh
<cole-h> Um
<cole-h> Well, it's probably because the directory I was trying to mount to didn't exist.
<cole-h> Probably. I can't be certain. (JK that was definitely it)
<joepie91> in fairness, that is a useless error
<joepie91> fuck's a "canonicalization error 2"
<joepie91> heh
<joepie91> hmm... I think I could actually turn a gamepad into a keyboard...
<gchristensen> 2 is errno
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<lovesegfault> Ugh, error: cannot connect to 'nix-ssh@'
<lovesegfault> I don't know wth this is
<lovesegfault> nix ping-store --store ssh://nix-ssh@
<lovesegfault> works fine
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<samueldr> joepie91: there was a scheme which uses both joysticks which I believe could have worked quite well for e.g. in-game input, but haven't seen anything like what I remember recently
<samueldr> it worked on a grid of 9x9, with I think the middle ignored, using both joysticks
<pie_> apparently there was a 10 year window in history where hard drives were actually reliable
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<joepie91> samueldr: yeah that is what I'm thinking of, this is similar to the scheme that eg. DSOrganizer used to make input on a DS touchscreen bearable
<joepie91> you touch a box on a grid and then swipe the stylus away in a particular direction to select a letter from that box
<joepie91> reducing the need for accurate touches
<joepie91> it was super pleasant to work with, given the constraints
<samueldr> ah!
<samueldr> it's in steam big picture
<samueldr> and seems I was off
<samueldr> face buttons + joystick
<samueldr> probably much easier to activate correctly
<joepie91> looks similar indeed
<joepie91> but yeah the DSOrganize thing was like, 10 years ago :P
<joepie91> that's the earliest instance of this taht I've seen
<joepie91> that*
<joepie91> not finding any screenshots of it...
<samueldr> I used DSOrganize
<joepie91> did you use that keyboard though
<joepie91> it was not the default
<joepie91> :P
<samueldr> pretty sure I tried all options of the software
<samueldr> it was pretty good
<joepie91> yeah
<joepie91> one of the more professional-looking pieces of homebrew
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<samueldr> and one of the most functional
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<joepie91> first part of proof-of-concept done
<joepie91> more tomorrow :P
<joepie91> now, bed
<colemickens> hm, I need to learn more about NLNet, I keep seeing them sponsoring projects I'm interested in
<samueldr> ;)
<samueldr> talk from last nixcon that is about NGI0, one of the grants being currently handled by nlnet
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<pie_> i have enough free ram and yet somehow my machine is still infuriatingly unresponsive when switching applications of desktops
<pie_> or some other things
<pie_> root on zfs has to be involved somehow
<hoverbear> :(
<c74d> I have root on ZFS and my Vim often takes like a minute to open some small shell script in the store... but I imagine that's the fault of my overdone Vim configuration and not ZFS
<c74d> actually that happens whether my vimrc is there or not so I dunno what it's doing
<lovesegfault> ZFS does have some annoying issues
<lovesegfault> Like, git is noticeably slower than XFS with LUKS
<pie_> gscan2pdf is good
<pie_> it is also very bad
<pie_> ask me how i know
<DigitalKiwi> the only time i had significant problems with zfs was when i unknowingly had sync=always
<DigitalKiwi> nix-collect-garbage would take like 30 minutes heh
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<elvishjerricco> I didn't notice any perf difference when I switched from ext4+LUKS to ZFS+LUKS, but that was on an NVMe disk. When I set up a server with raidz2+LUKS on six spinning disks, man that felt slow... But I attributed that to using spinning disks, not ZFS.
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<eyJhb> MichaelRaskin: Do you some configs for your nsjail? And do you just have a common chroot, or how do you manage?
<MichaelRaskin> eyJhb: nsjail command-line is generated on the fly (by some Common Lisp code)
<eyJhb> (in the mists of making a NixOS module for nsjail, which will autocreate chroots with only the needed paths etc.)
<eyJhb> Hmm... How does it look, if you can show it?
<MichaelRaskin> Store is just bind-mounted
<eyJhb> Considered doing that as well, but there is a possibility to expoit some binaires in there to get root :/
<MichaelRaskin> Wait, how?
<MichaelRaskin> It is just store, not setuid wrappers
<MichaelRaskin> The outside UIDs corresponding to the in-jail UIDs are sequentially generated
<eyJhb> THat might be true actually, I just assumed that e.g. sudo would be in there with setuid. But either way, always good to minimise surface
<MichaelRaskin> No-no, no setuid
<MichaelRaskin> I think if you can do store enumeration, you can just as well do JIT-like preparation of whatever code you want
<MichaelRaskin> I might eventually try a store with permissions prohibiting enumeration, but not yet
<MichaelRaskin> The fun stuff is managing /dev
<MichaelRaskin> Some programs get real dev (without permissions to actually use it, maybe), and then there is ACL to actually allow access to DRI/ALSA/webcam/…
<MichaelRaskin> And of course there is a question which normal paths to mount
<eyJhb> But you chroot to /?
<MichaelRaskin> No
<eyJhb> Ahh I see now
<MichaelRaskin> nsjail just puts what it is told to put into a fresh small tmpfs
<eyJhb> But yes, there is a lot to manage
<MichaelRaskin> Well, a lot of it is write-once-use-forever
<MichaelRaskin> But this write-once is kind of helped by the fact I am writing wrappers comfortable for me
<MichaelRaskin> Not something I can document in ten lines
<eyJhb> There is the fun part, of dirs actually needing to exist when bind mounting as wel
<MichaelRaskin> You mean outside? nsjail creates dirs inside
<eyJhb> Oh that is true
<eyJhb> It is because it is r/o
<eyJhb> Maybe I can get 3/3 wrong
<MichaelRaskin> Then I end up with shell wrappers like @sub ,stdout, ,path-nix,audacity ,alsa, ,lisp-arg,:fake-passwd:t ,mount,b\"/var/tmp\" sh -c 'mkdir -p ~/.local/share ~/.audacity_files ~/.audacity_temp ~/.audacity-data; audacity' ,=HOME=/tmp "$@"
<eyJhb> Hmm, makes sense. I am trying to make the chroots in the /nix/store, that I can use as a base and bindmount all the dirs into (only the needed /nix/store), and then all the other fun stuff with creating configuring the permissions
<eyJhb> But my approach is to use the config file, else the command would be hella long
<eyJhb> (when you mount individual /nix/store/<path>)
<MichaelRaskin> Where I failed to do, is pivot_root stuff or something to let, i.e., Chromium use its namespace-based sandbox inside
<eyJhb> (and yes it needs cleanup and there are some useless things in there)
<MichaelRaskin> s/i.e./e.g./
<MichaelRaskin> Oh, you use an actual nsjail config file
<MichaelRaskin> I just escape the command line arguments
<MichaelRaskin> (Mostly because I need to use this functionality anyway, for all my setup stuff like socat-based passing of only specific ports)
<eyJhb> Yeah, I might as well use it for as many things as I can. The ideal scenario is the ability to create multiple nsjails in the nix configuration, which will create a chroot that can be used for each of them, with each their own config
<MichaelRaskin> And yeah, I do not optimise store monuts so command is of finite length
<eyJhb> How do you handle the nsjails accessing the X11 server?
<MichaelRaskin> Give the the FS-located X11 socket and ACLs to access it
<eyJhb> So, xhost +local: ?
<MichaelRaskin> I do not actually run xhost, as far as I remember, but basically that
<eyJhb> Want to find a better solution than that as well, because then I need to enable that in the wrapper script
<MichaelRaskin> Yeah, unlike me you actually want this to fit in with NixOS
<eyJhb> Yeah, but there is a line
<MichaelRaskin> Hm?
<eyJhb> I don't want to spend ALL my time on this, I just think it would be cool to have
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<eyJhb> But you never got chromium to work with it MichaelRaskin ?
<MichaelRaskin> I just say --no-sandbox
<eyJhb> That is, somewhat scary
<MichaelRaskin> Not really
<eyJhb> So that means no sandboxing between tabs, etc.
<MichaelRaskin> Single profile cross-leaks so much that I try to minimise number of sites in a single instance anyway
<MichaelRaskin> And I mean, that's Chromium anyway
<eyJhb> Lets see, I have the base NixOS options down now. Lets see if I can actually implement something
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<ldlework> What would the word be, for like taking a break from a think to take restock of it and reorient one's approach/strategy/take on a thing?
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<manveru> ldlework: reevaluate?
<ldlework> thx
<MichaelRaskin> Of course, reevaluate/reflect do not include the «break» part
<manveru> reconsider, rethink?
<manveru> i'd just say "taking time to reconsider" to make it obvious... but that's no word :|
<MichaelRaskin> I think there is no highly-used word that incorporates «break» and «reflect» in one
<DigitalKiwi> reassess
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<ldlework> Ian Holm died
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<eyJhb> What is a good way to test a module, in a nix-build kinda way, withoun embeding it into your config and use nixos-rebuild test ?
<MichaelRaskin> nixos-rebuild build-vm with -I nixos-config=… ?
<eyJhb> MichaelRaskin: that might work yes, lets see!
<MichaelRaskin> There is also nixos-container or something, but the module is about namespacing so better be safe with VMs
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<gchristensen> my grocery store still doesn't have any rice and beans
<gchristensen> like, for nearly three months
<MichaelRaskin> Ouch
<joepie91> damn
<gchristensen> in fact, they're about half way through shopping my $500 grocery order, and they've only been able to fulfill about $150 worth
<MichaelRaskin> And beans — like _all_ beans out? (peas/lentils/…)
<etu> Even dried beans? Sounds weird to me that those would be out since they can be stored forever.
<gchristensen> etu: yup.
<gchristensen> dry beans is how I still have beans
<MichaelRaskin> Well, canned beans done right are also pretty close to forever-storable (but I assumed dried beans because why ask friends to carry water for you)
<joepie91> only thing I've consistently had trouble obtaining, is dry yeast...
<gchristensen> yeah. cheaper and denser
<joepie91> most everything else has been available here just fine
<gchristensen> it took us 2.5mo for us to be able to buy toilet paper :)
<MichaelRaskin> Ouch
<joepie91> damn
<joepie91> there was briefly a run on toilet paper here
<MichaelRaskin> Here in Bavaria, though, there are _still_ signs that only one pack per household
<joepie91> but it's not been especially unobtainable
<joepie91> the viral video of the toilet paper warehouse probably helped with that though :P
<MichaelRaskin> I think there were runs here that cleaned the cheapest options in some shops for a large time-percentage of a week or two; one-household-one-pack is not true magic. But next step (maybe 3.5€ per ten rolls instead of 2.5 or 2.9?) was still available.
<joepie91> yeah the cheapest ones disappeared here for a bit also
<MichaelRaskin> joepie91: Soviet Union teaches us that production is the part that can be got right, getting to the warehouse is quite doable, and last mile is where you can easily get a mess out of nothing
<joepie91> lol
<joepie91> MichaelRaskin: haven't heard this interpretation before, is there a story behind that to read somewhere? :P
<MichaelRaskin> The entire late USSR, I am afraid…
<joepie91> well sure, but specifically this angle
<MichaelRaskin> Well, if you read about late USSR then you will notice people are quite often in a huge line to buy something, because the supplies will not really last longer than this line
<MichaelRaskin> If there is nothing to be had, there would be nothing to stand in line for!
<MichaelRaskin> If the last-mile distribution part was anywhere close to working reasonably, the lines would not be epic multi-hour ones…
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<MichaelRaskin> There is an urban legend (that might be true or not) than in slightly less late USSR, in a small city one time one shop messed up having enough salt on the shelves. And for various reasons the list of things to stock up in case of a danger of a bad turn includes salt and matches and the next position is probably dried crops.
<MichaelRaskin> No salt. Some locals panic and go buy some salt while they still can in the shops on other streets, which of course increases the number of shops suddenly without salt.
<MichaelRaskin> When all the shops in the city have no salt, now you get real panic.
<MichaelRaskin> Allegedely someone from the local administration asked for permission from regional coordinators, and, while the city is not out of _everything_ at once, just ordered a truck of salt unload on the central square. With a message along the lines of «we have no idea how to sell enough salt through the limited number of shops, and we decided it is cheaper to just give away a truck of salt»
<joepie91> heh. a bankrun, but with salt.
<MichaelRaskin> Which is indeed not that expensive, and projected confidence in reserves, and covered everyone who did not have a kilogram at home until the shops were recovering from the run.
<joepie91> I guess that that's actually super similar to that viral TP video, heh :D
<MichaelRaskin> Well, it's obviously more efficient
<MichaelRaskin> Because it does cout out the bottleneck
<joepie91> MichaelRaskin: I wonder how well just putting down a bucket with "throw your money in here when taking salt from the truck" would have worked
<MichaelRaskin> Might have worked pretty well
<joepie91> I mean, it works really well in low-traffic rural areas for a lot of things, but I don't know how well it would have held up under panic
<MichaelRaskin> But they wanted the «we do not really care» optics
<joepie91> (at least in NL, this is a common sales model for roadside vegetables, etc.)
<joepie91> (in rural areas)
<joepie91> right, makes sense
<MichaelRaskin> Also they wanted the maximum possible throughput
<MichaelRaskin> Here in Bavaria I think my bus passes by a flower field that runs on such rules
<joepie91> wouldn't surprise me :) I think it's generally pretty common
<joepie91> bicycle route stops here also commonly use it, they just have an open barn or whatever with a coffee machine on a table and a coin jar
<MichaelRaskin> And newspapers even in Munich proper are sold via «drop coins here/pull paper here» with nothing that would be able to count coins
<joepie91> unattended
<joepie91> hah
<joepie91> nice
<joepie91> just realized I have a picture of one of those barns!
<MichaelRaskin> That's a pretty large bicycle route stop!
<gchristensen> $560 order checked out with $260 of food
<joepie91> MichaelRaskin: yeah, it's a popular touristy route
<joepie91> MichaelRaskin: there's also some other misc stuff attached, some beekeeping stuff, a small playground - I suspect that during high season it operates more like a 'real' cafe
<joepie91> or well, a farm cafe sort of thing
<joepie91> they sell fresh home-baked pastries too etc.
<joepie91> I think it's one of the farms that pivoted to touristy stuff :P
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<eyJhb> Anybody used NVidia GeForce Now?
<eyJhb> Oh god, I might have to disable my adblocker on my firewall/router...
<MichaelRaskin> joepie91: if they have bees, did they fully pivot or just built some touristy stuff as a sales channel?
<MichaelRaskin> eyJhb: impressive feat of routing firmware engineering!
<ashkitten> eyJhb: what's geforce now
<joepie91> MichaelRaskin: unclear, but the bees are part of the touristy setup
<gchristensen> help I'm looking at ERP for my freezer
<MichaelRaskin> ERP for freezer contents or ERP for freezer spare parts?
<gchristensen> content
<MichaelRaskin> That's… less scary
<samueldr> gchristensen: they call it microsoft excel
* gchristensen closes the tabs for barcode printers and scanners
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<bqv> Bought my partner a pair of bone conducting headphones
<bqv> Now she can bone conduct
<bqv> (it works so well, its weird)
<cole-h> More importantly, can she keep time? Bad conductors can't keep time.
<bqv> :p
<__monty__> Hard to keep time with all the ticket punching.
<joepie91> gchristensen: a little bird told me that LibreOffice Base is actually worth using for this sort of thing
<joepie91> (the MS Access clone)
<gchristensen> nice
<gchristensen> does it integrate with a barcode printer?
<gchristensen> I just had a horrible idea
<samueldr> you know that by saying that you are contractually obligated to share it, right?
<gchristensen> this person uses `zfs send -i` to deploy his static website: https://twitter.com/michaeldexter/status/1274392943479058433
<gchristensen> and the logical next step, of course, is: `zfs send -i ... | snap2git | git am` and `git diff origin/master...HEAD | git2snap | zfs recv`
<__monty__> Zfs only works from-to zfs filesystems right?
<gchristensen> yeah
<__monty__> *Zfs send
<samueldr> but nothing stops you from making a sparse image file with a zfs filesystem, right?
<gchristensen> definitely not
<gchristensen> I don't like how much this feels like not the worst idea
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<__monty__> That'd require a sparse image on both sender and receiver?
<gchristensen> only if they don't have zfs already
<__monty__> Does zfs send use TCP more optimally? Rsync is pretty slow compared to something like magic-wormhole/croc, which can't take advantage of filesystem-level knowledge either.
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<clever> __monty__: send requires that the source be able to compute the diff all on its own, and it never gets an ack from the dest
<clever> __monty__: you either need to diff 2 snapshots, or use bookmarks, and incremental sends must start from the last snapshot the dest had, with no way for you to know that (other then tracking it outside of zfs)
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<pie_> gchristensen: do tell if you find any barcode stuff or whatever, i was vaguely pondering stuff like this for my paper documents
<gchristensen> cool
<pie_> though it might be simplest to just use a smartphone for reading and a normal printer for printing
<gchristensen> I got stuck on using Brother P-touch PT-D600 from Linux
<pie_> i was thinking of putting a document id and a sha of the scanned version on those plastic slips you can put papers in
<gchristensen> oh cool
<pie_> and otherwise i have two calc (libreoffice excel) files wit some semi adhoc semi thoght throught scheme for keeping track of two specific tings right now
<pie_> and i have a halfassed object storeish scheme (im halfway to a proper database eh? :P) where i have a git repo and i put each document or something like that in a directory labeled by an id
<pie_> so like D003 or whatever
<pie_> and then a calc file at the top that maps the D003 to some attributes like people involved in the document, shas of contained files, summary of contents
<gchristensen> nice
<pie_> its all kind of halfassed but it seems to work okayis
<pie_> probably got like 80 stuff in there right now
<pie_> i need to have another go at this because i have three open binders and a pile of papers in the area behind me for three months now because all the related work isnt done, and i was having trouble finding physical copies of paper
<pie_> s
<pie_> some of which apparently i hadnt scanned yet or somesuch
<pie_> to summarize, it has some promise but organizing my life still needs work
<pie_> i havent seen what any commercial document store solutions look like...i feel like they have to be better than what ive seen but somehow im not convinced...
<pie_> but for fridge stuff, i think a calc file should be more or less enough? not sure what one could complicate on that
<joepie91> gchristensen: you can simplify your compatibility requirements by just pre-printing a few thousand incrementally-numbered barcodes and then just picking one from the stack as-needed and registering it as something
<pie_> unless you want to start generating order links for mail order food or something :P
<joepie91> that was LO doesn't need to support the barcode printer :P
<joepie91> way*
<pie_> joepie91: hmm
<pie_> whats LO
<pie_> i guess i cant do the incremental thing for the shas tho
<gchristensen> I want them to at least say the date
<pie_> you could use a date stamper :D
<gchristensen> yeah :D
<pie_> ofc thats extra hand movements to do as opposed to
<pie_> "print next label, with todays date"
<pie_> scannin books is so mind numbing, i really want one of those nicer diy setups :(
<pie_> the 2x cameras is kinda expensive tho too
<MichaelRaskin> If you print on a normal printer, you can also use DataMatrix
<joepie91> pie_: LO = LibreOffice
<MichaelRaskin> (used dmtx with both scanners and phones)
<pie_> joepie91: oh right
<pie_> also my scanner doesnt like dithering or whatever its called, that striping shouldnt be there
<MichaelRaskin> Unlike QR-code, standard DMTX tools support non-square rectangular codes
<pie_> moivre (moire?) patterns https://a.uguu.se/K0UAUCSJKTsA.jpg
<pie_> well, nothing wrong per se with the scanner, technically
<pie_> MichaelRaskin: aha, good to know
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<MichaelRaskin> From experience: if you want to scan with a phone, you might want to scan with a cheaper smartphone. Reason: good cameras focus intelligently, precisely, and slowly.
<joepie91> lol
<pie_> last time i looked people used dslrs
* joepie91 bought a professional barcode scanner a while ago, looking for a project
<drakonis> hey folks.
<MichaelRaskin> pie_: I am talking more about scanning DMTX quickly
<MichaelRaskin> With cheap cameras you learn a hand movement which ends up with the phone at the shortest focus step of that cheap thing, with recognition working in a half of the time needed for the focusing on a more advanced smartphone
<pie_> ahd ok contextual crostalk
<MichaelRaskin> joepie91: I think I have at some point in time learned to scan 2D-codes with cheap smartphones faster than the typical scan time of the hand scanner in the supermarket here (stationary scanners in the conveyor belt are better, of course)
<samueldr> MichaelRaskin: could camera2 manual focus (assuming android) help here?
<MichaelRaskin> Might be. Might also have a ton of interesting compatibility considerations
<MichaelRaskin> Does Camera2 have 2D code reader?
<samueldr> I don't know, camera2 being the photo api, not some software
<samueldr> I would hazard a guess and say it doesn't
<samueldr> but if you're making software that scans for a particular use case, using camera2 and setting its focus distance manually the focus could be done handheld-ly by moving the camera closer or further from the code
<samueldr> without autofocus meddling
<MichaelRaskin> Yeah, but Barcode Scanner exists and is a reasonable ZXing wrapper!
<joepie91> MichaelRaskin: so the thing is that ~all modern hand scanners are optical scanners; most of which are super slow
<joepie91> (I have one of those)
<joepie91> but for optical/sensor scanners you need specific fast models
<joepie91> laser 2D barcode scanners are stupid fast almost always
<joepie91> a laser barcode scanner or particularly fast optical scanner is almost certainly going to beat a smartphone by some margin
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<MichaelRaskin> Well, if you have an optical one, then cheap smartphones usually beat it… and often provide a wider range of codes to scan
<MichaelRaskin> The scanner might win on physical ergonomics, maybe
<joepie91> MichaelRaskin: a cheap smartphone isn't going to beat the one I have :P
<MichaelRaskin> Sub-second scan time _and_ 2D code support?
<joepie91> yes
<joepie91> far, far sub-second
<joepie91> instant if you've only ever used optical scanners; nearly instant if you've used laser scanners
<joepie91> it's basically point-and-beep
<joepie91> 20773519
<joepie91> just insta-beeped that :P
<MichaelRaskin> Well, for most applications it does not matter how far sub-second
<joepie91> MichaelRaskin: if I had to estimate the scan time, I'd say about 50-100ms
<joepie91> with a somewhat higher scan failure rate than a laser scanner
<joepie91> but not by much
<MichaelRaskin> Does it have highlighting of scan area?
<joepie91> if you configure it, yes
<joepie91> it has a laser projector
<joepie91> or I think it's a laser anyway
<joepie91> Zebra DS4308
<colemickens> ooof okay, I have purpose today. setting up a matrix server (with kubenix?)
<cole-h> Godspeed.
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<cole-h> gchristensen: re: your nixpkgs-fmt vs nixfmt question in -aarch -- I like nixpkgs-fmt more, mostly because of its promise to "Only expand, don't collapse" (and also because it's Rust, making it easier for me to contribute if I ever want/need)
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<infinisil> cole-h: I recently (couple months ago) checked out both nixfmt and nixpkgs-fmt, and I liked nixfmt more. It has a more consistent style, the implementation is much simpler (also Haskell which allows *me* to contribute :P)
<cole-h> Hehehe
<infinisil> Also, running nixpkgs-fmt, there were some formatting mistakes. Those were probably fixed since then, but it just feels very brittle, especially if you look at nixpkgs-fmt's source code
<DigitalKiwi> why would i look at rust
<cole-h> infinisil: IIRC, what made me switch was the fact that nixpkgs-fmt doesn't force short lists onto one line
<pie_> DigitalKiwi: is it the nixluminati
<cole-h> In my home.nix, I have `imports = [ \n ./modules \n ./options.nix \n ];`. If I use nixfmt on it, It collapses them all into one line
<cole-h> This slightly pollutes diffs (rather than adding one line, I would be adding and deleting one line)