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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
289•theblazehen•2d ago•95 comments

Software Engineering Is Back

https://blog.alaindichiappari.dev/p/software-engineering-is-back
20•alainrk•1h ago•11 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
34•AlexeyBrin•1h ago•5 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
15•onurkanbkrc•1h ago•1 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
717•klaussilveira•16h ago•218 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
978•xnx•21h ago•562 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
94•jesperordrup•6h ago•35 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
4•nar001•35m ago•2 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
138•matheusalmeida•2d ago•36 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
74•videotopia•4d ago•11 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
16•matt_d•3d ago•4 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
46•helloplanets•4d ago•46 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
242•isitcontent•16h ago•27 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
242•dmpetrov•16h ago•128 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

https://medium.com/lensesio/cross-region-msk-replication-a-comprehensive-performance-comparison-o...
4•andmarios•4d ago•1 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
344•vecti•18h ago•153 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
510•todsacerdoti•1d ago•248 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
393•ostacke•22h ago•101 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
309•eljojo•19h ago•192 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
361•aktau•22h ago•187 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
437•lstoll•22h ago•286 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
32•1vuio0pswjnm7•2h ago•31 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
73•kmm•5d ago•11 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
26•bikenaga•3d ago•13 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
98•quibono•4d ago•22 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
278•i5heu•19h ago•227 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
43•gmays•11h ago•14 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1088•cdrnsf•1d ago•469 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
312•surprisetalk•3d ago•45 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
36•romes•4d ago•3 comments
Open in hackernews

I have a GPS bike computer

https://utcc.utoronto.ca/~cks/space/blog/tech/WhyIHaveGPSBikeComputer
32•speckx•4mo ago

Comments

WastedCucumber•3mo ago
I'm planning to go cross country sometime soon and still considering whether to get a bike computer or not. Knowing myself, I'll probably just stick to using physical maps. In my experience using them bakcpacking, I feel more immersed in my surroundings because I check them and the map at the same time, wondering when the next mountain will appear, if the river already took the bend I see on the map, etc. It just feels right, and I'm never in a hurry when hiking or riding anyway.

Plus I think I'm scared to crashing while looking down at GPS, and I think usijg maps would always force me to stop.

thebruce87m•3mo ago
Bone conduction headphones would allow for audio directions.

I do like my bike computer, if only to show me my speed. It also beeps when the radar detects a car behind me.

doug_durham•3mo ago
I understand your concerns. I had similar concerns. The UIs on bike computers are very glanceable by design. I wouldn't go back. I would be more concerned with physical maps. I know myself and I would be tempted to "cheat" by trying to look at the physical map while moving if I was under time pressure to get to a destination.

Another huge benefit of a bike computer is that you can pair it with a rear facing radar. This has transformed my biking on roads. It absolutely doesn't replace looking over your shoulder, but it increases your awareness. You now know that there are three cars approaching from behind so you know what to expect. There is no way I'd go on a long cross-country ride without a radar.

lostlogin•3mo ago
I find the garmin 840 terrible for navigation as the interface is small, and the map always too zoomed in, or not enough. It’s just so clunky, and reminds me of computers in the early ‘90s.

However, with the Varia radar riding is amazing. I look down before looking back. I only look back of the radar is clear.

When it squawks - check behind.

loeg•3mo ago
If you're going to be looking at maps often, the 1040 is just the 840 in a larger form factor.

(I can't recommend the newer x50 series -- they made the screens a lot brighter, at the cost of significant battery life.)

wiether•3mo ago
The basic setup is the GPS highlighting the path you're supposed to follow.

You don't have to keep looking at it: a quick glance when you're coming to an intersection, to know if you have to slow down and get ready to turn or just keep going.

As other said, it can also provide additional features like warning you about cars coming from behind or reminders to eat/drink.

And contrary to some other comments, it's not another screen asking for your attention. Setup correctly, it's just a map that refresh itself and follows you. Allowing you to focus only on your sensations, instead of having to think about where you are, where you're going...

Finally, cue sheets are nice, but even if you don't care about being "lost" or having to find your way by yourself, you'll probably end up on bad roads with lots of traffic. Meanwhile, if you're just following precisely a nice route going only on quiet roads/paths, you won't end up in bad situations and you'll find your ride more enjoyable.

peterldowns•3mo ago
Would be nice to see an example of one of these cue sheets, I'm curious about the layout.
silversmith•3mo ago
Here's an article - even Tour de France riders regularly use those: https://7seizh.info/tour-de-france-tales-quand-une-affiche-v...
lostlogin•3mo ago
I’ve made a mental note that carbon bars allow a flatter surface for sticking cue sheets.
wiether•3mo ago
I've seen them take many forms, but here's one following the official layout of the Audax Club Parisien, for one of their BRM: https://www.audax-club-parisien.com/wp-content/uploads/2025/...
siebenmann•3mo ago
I've made a PDF of one of my bike club cue sheets from 2014 and put it at https://www.cs.toronto.edu/~cks/tbn/tbn-gatineau-gallop-2014... ; the GPS route that is more or less equivalent to it is https://ridewithgps.com/routes/28370340 (there may be minor differences because the route is more modern than the cue sheet, but it will give you orientation). The cue sheet is written for a group ride (where the group will stay together) and for people familiar with Toronto, so it might be challenging to follow solo unless you were already somewhat familiar with the ride (as the ride leader is expected to be).

The cue sheet is structured the way it is because it's expected it will be folded in half horizontally to fit in a map/cue sheet holder, and perhaps vertically as well (if people have a small holder; you fold vertically first, initially hiding the entire right column since you only need it after lunch, then horizontally). Cue sheet holders typically let you flip them up to see the back, so the exact division of a horizontal fold doesn't have to be perfect. Each numbered section covers a (relatively) distinct section of the ride to make it easier to keep track of where you are in the cue sheet overall.

Cue sheets for different circumstances need different sorts of structure. For example, for some cue sheets it would be quite important to include the distance (cumulative and/or from the previous cue). In others, such as this one, individually numbered cues and distances to them are mostly distractions.

(I'm the author of the linked-to blog entry, and as you can tell I have Opinions on cue sheet design.)

AriedK•3mo ago
Here in the Netherlands we’ve got ‘fietsknooppunten’. Numbered junctions with proper bike paths linking them up, and clear signage pointing you to your next number. https://www.fietsknoop.nl/planner Just remembering, or writing down a couple of numbers gets you a long way. As a backup I have OsmAndMaps for pre-loading gpx files to my phone.
zygentoma•3mo ago
Oh, nice!

I think we might have copied that from you here in North Rhine-Westphalia, and the nice thing is, that by law the have to replace the signs when they are broken/missing (they are legally similar to road signs for cars). However, it sometimes still isn't always possible to just follow numbers because might might have missed or misread a sign, and you might just find out a kilometer later...

Anyway, it's ten thousand times better than in our neighbour state Rhineland-Palatinate

Edit: the Knotenpunktnetz NRW, if anyone is interested: https://radservice.radroutenplaner.nrw.de/rrp/nrw/cgi?lang=D... (you have to zoom in a little too see routes ... if you zoom in more, every sign is shown!)

hommelix•3mo ago
These are available in the Netherlands and Belgium. And as the cyclists there like to travel a little bit further, the network is extended around north of France, the German border, some in Luxembourg. This is a very nice way to travel.
hackingonempty•3mo ago
Paper sheets are also lightweight and can be used all day without needing to be charged or putting any additional drain on your computer battery. So they are still used by some ultra endurance racers who need info as they ride like distance/elevation to next town, what stores or lodges will be open and their phone numbers.

A guy showing off his sheets as he makes his way to third place in the 2023 Tour Divide: https://www.youtube.com/watch?v=azJS106xeNA&t=1482s

lostlogin•3mo ago
I had a brief hunt and there are some automated tool for cue sheets - load in the gpx and it generates a document. I could work it from my phone just fine.

I’d prefer turn by turn instructions rather than documentation of future suffering.

I love that someone makes these things though.

https://www.trainerroad.com/forum/t/i-made-a-printable-cue-s...

loeg•3mo ago
RidewithGPS premium will generate cue sheets based on turns (which can be edited manually).
nradov•3mo ago
Some modern bike computers have solar charging for extended battery life, and you can also carry an external battery pack which weighs no more than a large paper map.
prmoustache•3mo ago
I am in team no screen on my bike. I spend way enough time in front of a screen, I don't mind missing a turn and getting lost once in a while. It is not like I am living in extreme wilderness and I still have a smartphone as a backup with loaded maps in case I have any doubt.
kccqzy•3mo ago
I did that for many years before buying a bike computer. If the number of turns isn't large, I memorize all the turns in advance. I finally gave up when I took part in an organized ride with hundreds of turns with no markings on the road.

I still like to memorize the route these days. When I do that, I mostly don't use the map feature of the bike computer: I look at my speed, cadence, and heart rate.

Earw0rm•3mo ago
Friend of mine who's a group ride leader has a minimal turn-by-turn in a wireless earpiece paired to his phone, which sits in his pocket and runs a navigation app.

Means he can lead rides confidently and fluidly while also being completely present and aware.

loeg•3mo ago
Depends how much riding to new places you want to do without getting lost. If you only ride places you know, or don't mind spending time lost, you don't need live maps.
prmoustache•3mo ago
As I said earlier, I still have a smartphone with me with offline maps so I can still stop for a minute and check if I am unsure of my route.

There is a huge spectrum of possibilities between being totally unaware of where you are going and following a route turn by turn and I kind of feel I have an higher than average awarness of where I am going and where are the cardinal directions.

loeg•3mo ago
I'd file that under "don't mind spending time lost," even if that time is only a few minutes.
unglaublich•3mo ago
Sure, cue sheets are cool from a cartography perspective, but they were mainly something engineered to achieve exactly what a gps route computer is doing:

  - Show where you should go
  - Show when you missed, and how you get back on the route
  - Change the route mid-trip (how often roads are closed)
All in all, sure they are a cool technology, but like a steam engine, it's mainly a thing to admire while moving on to more modern technology.
Eric_WVGG•3mo ago
This is sort of a pipe dream, but imagine taking an Android smartwatch, disassembling the chassis, adding a larger battery, and embedding it in a threadless headset cap.

GPS tracking, maps in a 1.5" screen, bluetooth reports of speed/cadence from one of those little spoke dealies.

hommelix•3mo ago
I don't want to make advertisement, but what you describe is what Beeline is selling for bicycle and motor bike. I've not tried it. I don't know how good it works.
mikestew•3mo ago
I’ll save y’all a search: https://beeline.co/pages/beeline-cycling
Eric_WVGG•3mo ago
oh wow, that’s pretty sick. Too big, but on the right track. Thanks!
darkwater•3mo ago
That made me think: why dont they make a bike mount for my Suunto watch? (Thx to the HNer that suggested checking Suunto out btw), and well, looks like they do: https://us.suunto.com/products/suunto-bike-mount
loeg•3mo ago
Wahoo's GPS units are based on Android. You could pair them with a headset top cap holder, though IMO this is not a super ergonomic location for a bike GPS (in front of the handlebars is better).
nradov•3mo ago
You can do this with a regular Garmin smart watch and a bike mount. It doesn't run Android but that doesn't matter. The problem is that it's really tough to read a map on a small display while riding: a real bike computer with a larger display is far superior if you're going to use it for navigation.

https://www.garmin.com/en-US/p/1221709/#devices

phoronixrly•3mo ago
I like to focus on riding not navigation when I'm out on my bike. When you have to go through 150-200km in a day, having to get your bearings on each country road fork gets tedious quite quickly.

It also helps you judge corners when you're descending on unknown roads.

I shudder at the thought of having to stop and juggle around paper cue sheets/a map...

elchief•3mo ago
can anyone recommend a cheap but good bike computer with turn-by-turn nav? (for mountain biking)
nradov•3mo ago
How cheap do you want?

https://www.dcrainmaker.com/2025/06/garmins-new-edge-mtb-cyc...

elchief•3mo ago
actually, i think i'll use an old android phone...
kccqzy•3mo ago
I found that the usual American brands for bike computers (Garmin, Wahoo) are more expensive than Chinese brands. If you think a Chinese company handling your ride data is an okay compromise I think the Coros Dura is quite wonderful, with longer battery life (100+ hours) than the competition too.
nradov•3mo ago
The main problem with cue sheets is they quickly become worse than useless if you accidentally miss a turn, or are forced to detour due to road construction or something (which seems to happen to me all the time). A modern bike computer will immediately alert you if you go off course and automatically re-route to get you back on track. Some of the newer ones also get dynamic updates about road hazards.
jo_minimis•3mo ago
What do we think about merging the bike computer into sunglasses https://flow.minimis.life ? Been building about 3 years