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Show HN: Heimdall – Trust-verified knowledge layer for AI coding agents

https://github.com/ArihantDeva/heimdall
1•arihantdeva•4m ago•0 comments

Rocket Lab Announces Flatellite: A New Satellite Designed for Mass Manufacture

https://rocketlabcorp.com/updates/rocket-lab-announces-flatellite-a-new-satellite-designed-for-ma...
1•walrus01•6m ago•0 comments

A checklist is a letter to the untuned self

https://pilgrima.ge/p/the-untuned-self
1•momentmaker•7m ago•0 comments

Jason Arday Did a Lot of Harm

https://etanaedelman.substack.com/p/jason-arday-actually-did-a-lot-of
1•barry-cotter•9m ago•0 comments

Obsession with AI

https://unmeshed.io/blog/using-ai-wisely-starts-before-the-first-prompt
1•jusonchan81•12m ago•0 comments

Stalking the Wily Hacker: 40 years later – Cliff Stoll [video]

https://www.youtube.com/watch?v=656058JxTM0
1•zoenolan•14m ago•0 comments

I'd Rather Risk Cancer Than See AI Move This Fast

https://www.theatlantic.com/technology/2026/06/ai-cancer-progress/687654/
1•jdkee•19m ago•2 comments

Ask HN: What types of alternative communities have you seen work or not and why?

1•tmnvix•26m ago•1 comments

What every programmer should know about memory, Part 1

https://lwn.net/Articles/250967/
1•Anon84•26m ago•0 comments

Show HN: Plethora – Social platform and SDK around games and interactive content

https://plethora.studio/
2•pratt3000•36m ago•0 comments

Ask HN: Just saw a YC25 job posting front page that looks like a 7-day work week

12•walrus01•40m ago•4 comments

HydroGym: A Reinforcement Learning Platform for Fluid Dynamics [video]

https://www.youtube.com/watch?v=SQrPBk6f0GY
1•abetusk•44m ago•1 comments

Nord Stream sabotage suspect arrested on set of film about the sabotage

https://www.telegraph.co.uk/world-news/2026/08/20/nord-stream-sabotage-suspect-arrested-film-set/
3•cwwc•46m ago•0 comments

America's Gerontocracy Needs a Public Physician

https://www.theatlantic.com/health/2026/08/office-of-medical-adviser/688372/
1•paulpauper•47m ago•0 comments

It's Low-Calorie and Packed with Protein. Is It Healthy?

https://www.theatlantic.com/health/2026/08/ultra-processed-food-healthy-ice-cream/688364/
1•paulpauper•47m ago•1 comments

US Debt-to-GDP Ratio

https://www.us-debt-clock.com/debt-to-gdp
2•NordStreamYacht•48m ago•0 comments

Show HN: Driftless – your Postgres, provably in sync with Stripe

https://github.com/quyumkehinde/driftless
1•quyum•49m ago•0 comments

20% price reduction for GPT 5.6 Sol

https://community.openai.com/t/20-price-reduction-for-gpt-5-6-sol-api-codex-credits-and-chatgpt-w...
2•soheilpro•51m ago•0 comments

OpenAI cuts developer pricing for frontier GPT-5.6 Sol model by more than 20%

https://www.reuters.com/technology/openai-cuts-developer-pricing-frontier-gpt-56-sol-model-by-mor...
14•joshuawright11•57m ago•2 comments

Show HN: Flight Ledger – Track your flights, what they cost, and United status

https://app.flightledger.net
1•voladd•57m ago•0 comments

There's no reason for software to be slow anymore

https://danluu.com/perf-opt/
34•Jach•1h ago•20 comments

Open-source Zen Engine is out of beta

https://docs.gorules.io/changelog
1•jawns•1h ago•0 comments

Initial focus for our partnership with Motorola is a regular non-folding device

https://grapheneos.social/@GrapheneOS/117136278553665985
10•Cider9986•1h ago•2 comments

In 1957, Disney Built Our Friend the Atom. We Now Need Our Friend the AI

https://medium.com/@chipmunkworks/the-disney-solution-why-silicon-valley-needs-to-build-our-frien...
1•treelover•1h ago•0 comments

Lie Detection and Language Models

https://philosophybear.substack.com/p/lie-detection-and-language-models
2•paulpauper•1h ago•0 comments

Plotter Related Algorithms

https://drawingbots.com/algorithms/
1•msurguy•1h ago•1 comments

Show HN: Pricefight – a website leaderboard where everyone starts at the bottom

https://pricefight.lol/
1•adjohu•1h ago•0 comments

Wind energy offers a lifeline for this Kansas rancher

https://vitalsigns.edf.org/story/wind-energy-offers-lifeline-kansas-rancher
1•thunderbong•1h ago•1 comments

Turn any REST API into the shape of another

https://bryanhu.com/shotgun/
1•thatxliner•1h ago•0 comments

Towards Physics of Multimodal Pretraining

https://arxiv.org/abs/2608.05000
1•gmays•1h ago•0 comments
Open in hackernews

Xkcd's "Is It Worth the Time?" Considered Harmful

https://will-keleher.com/posts/its-not-worth-the-time-yet.html
27•gcmeplz•1y ago

Comments

jjk166•1y ago
XKCD's comic is a very simple graphic that tells you whether your automation efforts will reduce the total amount of time for a task.

If your goal is not to reduce time spent, why would you be looking at a chart to determine how much time you're reducing?

Learning is a very good use of time. Choosing to spend extra time to automate something for the sake of learning is a perfectly rational decision. But it's never harmful to know what your choice is costing you. If you wouldn't be willing to automate something in the full knowledge that it's going to take longer than just doing it manually, then the comic is succeeding in stopping you from making a choice you wouldn't want to make.

arcfour•1y ago
My boss would probably prefer—thinking short-term—that I work by that chart. I would prefer to learn something new, and it usually pays off in the long-term, possibly years from now in unexpected and unforeseeable ways.
banku_brougham•1y ago
Yup if I followed team/management guidance I would be nowhere.
jjk166•1y ago
"This may help in unexpected and unforeseeable ways" doesn't sound like the most convincing argument for taking time from your job to learn a new skill.

All the same, you are choosing to learn something new, not to automate something to save time. Learning something new by automating a task which doesn't justify automation is no different from say reading a book or doing coding exercises in the same time - it's potentially a good use of your time, it just doesn't relate to the xkcd chart at all.

patrakov•1y ago
Key sentence from the article:

> Automating the easy things is how you build the skills, mindset, and muscle-memory to automate the hard things.

hicksyfern•1y ago
The counter to that is that going and looking at the call sites to that function would have given the author a better understanding of what those call sites were, why they called the function, etc, thus learning more about the codebase.
abc-1•1y ago
The goal to automate is to reduce suffering. Full stop. It’s not to “save time”. STEM types like to pretend they’re stoic cold calculating robots and everything is objective and they don’t mind doing some repetitive 5 minute task every day, because they saw some xkcd comic about efficiency. Maybe they pretend they don’t mind simply so they can smugly post the xkcd comic every time someone new asks why they’re suffering through some repetitive slog.
banku_brougham•1y ago
exactly. work can be fun and there is so much to learn.
try_the_bass•1y ago
Harmful? No. Good rule of thumb? Yeah. Like any rule of thumb, if followed dogmatically, it loses the nuance that makes it a good "rule of thumb".
add-sub-mul-div•1y ago
Right. Almost nothing should be followed dogmatically, but a major theme of this site is to act like all advice was meant to be taken as gospel and then counter it with mundane exceptions.
karmakaze•1y ago
> ...updating the order of arguments to a function [...] was only in about 10 spots, so it would have only taken a minute to search and fix manually, but instead I spent an hour automating the fix using sed and xargs. And I think that was the right choice.

Spending an hour to learn and use sed/xargs is good use of time. Bringing in the xkcd formula has nothing to do with that. It could/should have been done as a one-off whether manually or scripted. Automation doesn't make sense unless you plan to keep putting me function arguments in an undesired order.

I would have put in time sooner to use a static typed language the can reliably reactor in the IDE with a click.

dontreact•1y ago
The flip side of this is that for some tasks (especially in ml/ai), doing it manually at least a few times gives you a sense of what is correct and a better sense of detail.

For example, spending the time to label a few examples yourself instead of just blindly sending it out to labeling.

(Not always the case, but another thing to keep in mind besides total time saved and value of learning)

more_corn•1y ago
“Considered harmful” is considered harmful
V__•1y ago
> Automating the easy things is how you build the skills, mindset, and muscle-memory to automate the hard things.

I agree with the statement, yet I think it misses the point. Hyperbole: Pressing play on a mp3 robs you of the experience of learning to play all instruments yourself. They key question is whether automating is a task one wants to improve in at all.

phendrenad2•1y ago
I agree. The author spent an hour of trying to use 'sed', and the next time, they thought better and used Python! That's a valuable lesson right there! ;)
al_borland•1y ago
There is also the situation where if it doesn’t get automated, it won’t be done at all. Some things are just too annoying to manually do, especially if it would be nice if they were done more than once.

There is also an aspect of repeatability without mistakes. Assuming the code is good, it removes the human error from the equation, which has value.

atoav•1y ago
This is about tasks you automate to save time, that however isn't the only reason to automate a task.

A big one for me is to ensure consistency of data, intervals, etc.

banku_brougham•1y ago
Every day you are building the foundation for the rest of your career. When I can I execute tasks as though need to scale and be instrumented with alarms.