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Modern Node.js Patterns

https://kashw1n.com/blog/nodejs-2025/
243•eustoria•3h ago•104 comments

Writing a good design document

https://grantslatton.com/how-to-design-document
80•kiyanwang•2h ago•19 comments

Persona vectors: Monitoring and controlling character traits in language models

https://www.anthropic.com/research/persona-vectors
259•itchyjunk•6h ago•90 comments

A study of lights at night suggests dictators lie about economic growth (2022)

https://www.economist.com/graphic-detail/2022/09/29/a-study-of-lights-at-night-suggests-dictators-lie-about-economic-growth
7•mooreds•11m ago•2 comments

If you're remote, ramble

https://stephango.com/ramblings
618•lawgimenez•12h ago•355 comments

Shrinking freshwater availability increasing land contribution to sea level rise

https://news.asu.edu/20250725-environment-and-sustainability-new-global-study-shows-freshwater-disappearing-alarming
106•ornel•3h ago•40 comments

Welcome to url.town, population 465

https://url.town/
33•plaguna•1d ago•0 comments

Life, Work, Death and the Peasant: Family Formation

https://acoup.blog/2025/08/01/collections-life-work-death-and-the-peasant-part-iiia-family-formation/
36•Khaine•1d ago•0 comments

Critcl – C Runtime in Tcl

https://andreas-kupries.github.io/critcl/
21•ofalkaed•3h ago•5 comments

Google has dropped more than 50 DEI-related orgs from one of its funding lists

https://www.cnbc.com/2025/08/01/google-dropped-50-dei-groups-from-funding-list-.html
31•gslin•50m ago•8 comments

This Old SGI: notes and memoirs on the Silicon Graphics 4D series (1996)

https://archive.irixnet.org/thisoldsgi/
55•exvi•7h ago•1 comments

"If you can rack it, you can run UniFi OS" Ubiquiti self-hosted UniFi OS release

https://deluisio.com/networking/unifi/2025/08/03/everything-you-need-to-know-about-unifi-os-server-before-you-waste-time-testing-it/
8•codydeluisio•1h ago•0 comments

2,500-year-old Siberian 'ice mummy' had intricate tattoos, imaging reveals

https://www.bbc.com/news/articles/c4gzx0zm68vo
166•dxs•3d ago•39 comments

UN report finds UN reports are not widely read

https://www.reuters.com/world/un-report-finds-united-nations-reports-are-not-widely-read-2025-08-01/
201•anjneymidha•6h ago•89 comments

Converge (YC S23) well-capitalized New York startup seeks product developers

https://www.runconverge.com/careers
1•thomashlvt•6h ago

Twenty Eighth International Obfuscated C Code Contest

https://www.ioccc.org/2024/index.html
301•mdl_principle•18h ago•83 comments

Tokens are getting more expensive

https://ethanding.substack.com/p/ai-subscriptions-get-short-squeezed
178•admp•12h ago•132 comments

A 3D model of the human airways via a digital light processing bioprinter

https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/bit.29013
13•PaulHoule•3d ago•0 comments

How to make almost anything (2019)

https://fab.cba.mit.edu/classes/863.19/CBA/people/dsculley/index.html
127•teleforce•11h ago•20 comments

Show HN: Spatial Web Browser Engine

https://m-creativelab.github.io/jsar-runtime/
8•yorkie•3h ago•3 comments

Schematra: A Sinatra love letter in Scheme

https://github.com/rolandoam/schematra
5•funkaster•2d ago•0 comments

'A black hole': New graduates discover a dismal job market

https://www.nbcnews.com/business/economy/job-market-report-college-student-graduates-ai-trump-tariffs-rcna221693
9•koolba•1h ago•4 comments

The Fulbright Program: Chock Full of Bright Ideas

https://bastian.rieck.me/blog/2025/fulbright/
57•Pseudomanifold•9h ago•13 comments

Build Your Own Minisforum N5 Inspired Mini NAS

https://jackharvest.com/index.php/2025/07/27/build-your-own-minisforum-n5-inspired-mini-nas-a-comprehensive-guide/
111•LorenDB•4d ago•33 comments

Yosemite embodies the long war over US national park privatization

https://theconversation.com/yosemite-embodies-the-long-war-over-us-national-park-privatization-261133
81•rntn•5h ago•44 comments

The Ski Rental Problem

https://lesves.github.io/articles/ski-rental/
38•skywalqer•4d ago•53 comments

Lina Khan points to Figma IPO as vindication of M&A scrutiny

https://techcrunch.com/2025/08/02/lina-khan-points-to-figma-ipo-as-vindication-for-ma-scrutiny/
354•bingden•1d ago•339 comments

A Real PowerBook: The Macintosh Application Environment on a Pa-RISC Laptop

http://oldvcr.blogspot.com/2025/08/a-real-powerbook-macintosh-application.html
121•todsacerdoti•16h ago•17 comments

EHRs: The hidden distraction in your doctor's office

https://spectrum.ieee.org/electronic-health-records
51•pseudolus•12h ago•46 comments

The Subway Game (1980)

https://www.gricer.com/subway_game/subway_game.html
35•Lammy•4d ago•17 comments
Open in hackernews

How I use Claude Code to implement new features in an existing complex codebase

https://www.sabrina.dev/p/ultimate-ai-coding-guide-claude-code
71•plentysun•18h ago

Comments

campbel•17h ago
The author describes a lot of directives they found useful. Be aware Claude has the concept of `slash commands` https://docs.anthropic.com/en/docs/claude-code/slash-command...
AndyNemmity•17h ago
.
mattlondon•17h ago
What are hooks and subagents then?
mephitix•17h ago
Maybe you should ask Claude ;)

https://docs.anthropic.com/en/docs/claude-code/hooks

https://docs.anthropic.com/en/docs/claude-code/sub-agents

chank•17h ago
> https://docs.anthropic.com/en/docs/claude-code/hooks

> https://docs.anthropic.com/en/docs/claude-code/sub-agents

AndyNemmity•17h ago
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__loam•16h ago
The capacity this segment of the industry has for just making shit up is incredible.
raincole•16h ago
What do you mean? (Genuinely asking)
__loam•16h ago
There's a brand new thin wrapper for this bullshit every month. First we had Langchain, then MCP servers, and now this. The industry has been constantly trying to wrap the stochastic bullshit generator with frameworks and guardrails, for years, and the heart of it will always be the same model. I wouldn't care, but you all insist on inflicting this on every code base while a clueless leadership class has started using it as a performance metric.
raincole•16h ago
That's sad.
_betty_•17h ago
It's from July 6, so yeah a month in the past is totally right.

She has newer posts on sub agents

XenophileJKO•17h ago
Actually please write an article about how you are currently using it then. I've been actively using it and working with sub-agents. I feel like there are very little resources out there on more complex Claude Code setups.

I would love to see other setups, like what MCP, hooks, sub-agents, commands, etc.

AndyNemmity•17h ago
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weitendorf•16h ago
We’ve been building in this direction for a bit over a year now. I don’t see your contact info but please reach out over email if you’re interested in checking out our approach and maybe working with us!
AndyNemmity•16h ago
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weitendorf•16h ago
It’s not the specific agent config or anything like that I’m after, just the genuine interest+enthusiasm in an area we’re actively working on. The central premise to what we’re building is our system for reusable and composable AI workflows.

Shit’s moving fast and the math works out such that it’s probably better to just find someone at the bleeding edge and offer to pay them really generously to work with us than to recruit for this work normally. If you change your mind you can find my email on my profile!

Edit for more context: We’ve basically had the same thing as Claude’s slash commands (we call them workflows) since November, but then we switched gears and made our cloud IDE/agent sandbox and other components of our infrastructure layer the top priority.

That’s working and the timing is amazing since we should be able to just glue all these new cli (sub) agents in between our workflows and agent infrastructure. I suspect someone who understands terminal agents well could do it about 4x faster than me.

AndyNemmity•15h ago
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XenophileJKO•15h ago
Hmm.. I work at LinkedIn.. and I didn't get the magic invite. :(
derektank•16h ago
>Apologies, I'm not an article writer. I focus all my time on improving my own setup.

Maybe that's why the guides you see appear a bit out of date? Writing, all kinds of communicating, takes time, both in organizing and compiling your thoughts

ToJans•16h ago
Wow, that is a huge instruction set.

I've created a (way smaller) "/hire" command that does something similar, but I should probably turn it into an agent as well, as the commao is only creating agents, and I still need to do further adaptation with individual promoting and edits

It's these little, but crucial insights that make all the difference, so thank you!

I have the exact same feeling about losing time, for me it's starting to turn into an addiction,

I'm buiding a new side product, and the sense of urgency combined with the available capability makes it hard for me to stop working.

Progress is going so fast that it feels like the competition might catch up any time now.

I now restrained myself upfront with predefined timing windows for work, so the I manage to keep my sanity & social life from disappearing...

"What a great time to be alive"

poisonborz•15h ago
The situation is of your own making. You can change/get out any time.
gexla•16h ago
I think the basic issue for me is that people put this stuff out as if it's some big discovery, and yet my own usage is way different and serves me just fine thank you. These have the feel of a developer who has just discovered development and then want to tell you about all the best tools. But it's not really about showing you the best tools, is it? Rather, it's about riding the hype train and creating slop for more eyeballs.
bathtub365•15h ago
When someone has a YouTube channel about programming with a certain level of polish they are not trying to be a professional programmer, they are trying to be a professional YouTuber.
weitendorf•15h ago
Respectfully, I think you are being reflexively contrarian or overindexing on the vibe coding hype train. The way vibe coding UX works is basically just having LLMs guess what they need to do to complete a task and then sending it off to do it and try to fix anything that doesn't go according to plan along the way. Nothing big there.

I had started working on an AI devtool product a few months before Cursor took off, I didn't even know about them when I first started, and I hated that such a dumb UX was setting the narrative in this space. LLMs had essentially no ability to decompose and plan tasks at the time, and they weren't fucking sandboxing it!

Terminal agents are actually moving towards the UX I've been building/anticipating for. In March of 2024 I was playing around with GPT4 and saw it oneshot a microservice I asked it to make. I was so excited about the implications of where this stuff could go that I quit my job at google just to start building in this space.

Without getting into all the details, I am pretty convinced there must be some particular way of arranging infrastructure primitives and AI-coding tools in a way that properly decomposes and executes arbitrarily large or complicated tasks (limited only by available time and resources). Claude code is IMO getting closer to that by the week. No iterative change is crazy science or anything but there are some genuinely novel and exciting patterns for computing things underway.

keerthiko•17h ago
to be fair, the linked youtube video from the article is literally 4 weeks old, so "at least a month in the past" is probably exactly accurate if you are moving at the same pace as the author.
_andrei_•16h ago
> If you don't discuss hooks and subagents, i'm not sure what you're doing right now.

Agents have their own context and can be useful for tasks that can be parallelized, which is a minority of tasks. How are they critical to better performance for you?

AndyNemmity•16h ago
This is the best question anyone has asked.

Let's consider context. At some level the more context you have is good. At some level, the more irrelevant context you have is bad.

Okay. We have at top level of context, a hook that forces a system prompt on every action.

Next level we have a ./claude/CLAUDE.md then we have the project level CLAUDE.md then we have a possible not required agent setup then we have the instructions you give it

We know that CLAUDE.md gets lost in the context, at any level. The system prompt level hooks don't.

Why does the CLAUDE.md get lost? Why are we losing ability with a longer context.

The problem is irrelevant context to the action. The Documentation agent doesn't require the Golang modernization rules. The Golang agent, doesn't require the planing coordinator rules.

So the question I asked myself last weekend was, what is the experience if you split the contexts to only the required information for the task.

I did head to head battles with agents, reading in the information, versus contextual specific information. The agents with context specific destroyed the competition. Like it was another world.

So then I ran head to head tests on the type of information. Etc etc. My current setup is the best level achieved in those tests.

So my argument is that removing the context that is entirely irrelevant for the agent improves performance dramatically.

But I'm one person doing tests... it's true for me. Maybe it's not true for others. People have to explore the conception and determine that.

I can only tell you what has worked best for me, and for me, it's like a model jump in performance improvements.

dSebastien•15h ago
It's been my experience too, already prior to support for sub-tasks/agents.

I've been exploring the ways in which I could "lazy load" context depending on the task at hand. I've approached this by defining an AI "receptionist", a set of roles and a set of tasks.

The receptionist is the entrypoint of the system. It knows where to find roles/tasks but only loads very basic information about the roles.

Depending on the role I ask for, it then loads the right role file, which in turn loads additional context. Then I ask for whatever i want to do, and it loads specific task files based on what I asked. And the task files load additional context etc.

This works quite well because I end up with just the right context for the task at hand. And each role/task can actually be executed as a sub-task/agent

AndyNemmity•15h ago
You stumbled on to the solution before the tools caught up to you. really cool.
_andrei_•13h ago
> So my argument is that removing the context that is entirely irrelevant for the agent improves performance dramatically.

100% agree on building the optimal context, just have not seen parallel agents do better at sequential tasks. the documentation agent may have better initial context about how to write documentation, but it doesn't have the context of the changes, apart from what is passed to it / can explore. if we don't spawn a new session, and instead throw it a /document command - that would still get all the guidelines and rules for writing documentation, and it should have the same weight since it's at the bottom of the context.

for me the highest 'model jump level' performance booster is externalizing context and controlling the process - having claude initialize a plan file with a pre-defined template that makes it use that as its to do list and documentation place, and getting it to use that as its primary working area

AndyNemmity•12h ago
I am doing that too. Perhaps I am misjudging which part is providing which benefit, but when using the plan system as well as the agent, the agents with this context setup perform much better.

It all builds on each other, so it can be slightly challenging to untangle which part is providing the majority of benefits.

CyberMacGyver•15h ago
Genuinely, how do you keep up to date with these features while still being focused at the task?

The more I focus the less I have time to read and experiment O want to finish it. What are your sources and how are you balancing it ?

AndyNemmity•15h ago
Honestly, the release of sub-agents was the first time it felt actually meaningful.

MCP servers and the rest have not provided the type of gains sub-agents have. Hooks and subagents actually provide tangible value. Enough that it's changed my structure entirely to be tool focused, and not output focused.

j_crick•14h ago
Why did you replace your comments in this thread with . ?
AndyNemmity•7h ago
Because I gave examples, and details, and thousands of people read them from a pastebin i used to share.

I didn't release it as open source or anything, just sharing. I don't want to take questions concerning it so I can focus on moving it forward.

Today's goal is to try to build self healing agents that automatically fix the problems they encounter so they only happen once, automating a manual process I successfully use.

Perhaps if that works out well, that is something releasable I can do in a real way as opposed to paste bin.

j_crick•1h ago
Sadly I was just late to the discussion and missed the stuff. Would you mind sending what you shared to an email of mine? Not requesting further communication, just simply curious what people do with and around this.
cristea•17h ago
I agree with the notion here that things are moving so fast that most blog posts will be outdated quickly.

However posts like this is valuable for new people to get a basic understanding of how these tools could be used in a very simple, beginner friendly, setup.

cantor_S_drug•16h ago
This is equivalent of .vimrc file. ".clauderc" .
manmal•17h ago
A few thoughts on this:

- I wouldn’t outsource my brain to CC when it comes to checking CC’s output. Very mixed results in my experience, and it might discourage further exploration/thinking if you’ve already performed the checklist CC has given you (satisficing).

- Slash commands are the idiomatic way to memoize often used prompts, I wonder why author put them in CLAUDE.md?

- I’m also a bit skeptical that, aside from strict rules CC needs to follow, the encouragements/enchantments for writing good code author put in CLAUDE.md really work. But who knows.

- I DO like the caveats section at the end a lot. This is probably the most important piece of the article, when it comes to large codebases. Never just accept the first draft. Review everything with high suspicion and bend the output to your own style and taste. Otherwise, you‘re pushing legacy code.

croes•16h ago
It will be interesting to see how all this works out when the honeymoon phase is over.

At the moment they burn a investor money to gain customers by giving us free tools and cheap LLMs.

That will end at some point.

chrisvalleybay•14h ago
One perspective could be that this is a moment to leverage. Subsidized LLMs won't be around forever, so this is a great time to build something that you wouldn't have had the time to build otherwise.
ofrzeta•16h ago
That many sites about AI look a lot like scam sites ("make money fast") is a real turn-off -> https://www.sabrina.dev

Maybe it does have some valuable content but I will just close it.

Valodim•16h ago
Wow, geez. That is terrible, I'm surprised a website like that can have any actual content as TFA
WD-42•16h ago
The grifters have entered the arena.
literalAardvark•15h ago
Hype is like catnip for them. They've been around for a while, many of the OG AI YouTubers didn't know anything about it when they started to pretend to educate.
steilpass•16h ago
I stumbled upon the author’s command `qnew` to read Claude.md.

Why would you need that?

> CLAUDE.md is a special file that Claude automatically pulls into context when starting a conversation.

https://www.anthropic.com/engineering/claude-code-best-pract...

vunderba•16h ago
That confused me as well. The whole point of CLAUDE.md is that it is automatically injected into the rolling context of any Claude interaction/thread.

That CLAUDE.md file that they've posted is also HUGE - Anthropic themselves recommend keeping it on the more concise side. If you need more, consider just creating dedicated subagents for "UI/UX reviewer", "search", etc.

brunooliv•16h ago
Am I the only one who uses CC in a one-shot fashion? I rely on what has been generated by the init slash command at the root of my monorepo and then when I have a complex task I manually create a md file called CONTEXT.md inside the package/area where I want to implement the new task. I try to be as detailed as possible, think like writing a ticket for a junior dev. Then my only command for CC is something like: “Focus on the project structure described in CLAUDE.md and work through the task planned in CONTEXT.md. Follow current codebase standards, keep code reusable and easy to follow and modify.”

This is like 99% of my CC interactions working on top of a well structured codebase and it just works perfectly for almost any task I throw at it.

chrisvalleybay•14h ago
I mostly do the same. My workflow is usually like this: 1. Supply CC with a simple user story with light spec / business logic, asking it to write a specification for the feature and ask me any questions that need to be answered to make it complete. 2. Build up the context with all relevant files that I want to use. In Ruby on Rails it means refercing models, views and controllers that show the structure we are going to use. 3. Write the code and tests.
brunooliv•1h ago
Nice to see!! I wrote a longer post about this: https://open.substack.com/pub/boliv/p/claude-code-usage-patt...