DEV Community • 2026-08-21 08:00

Designing Functions That Compound

The Power of Small, Composable Functions I've spent years refactoring messy codebases. The most common problem I see isn't lack of comments or poor naming-it's functions that try to do too much. A function that does one thing well is easy to test, debug, and reuse. But the real magic happens when you design functions that can be composed together, each one feeding into the next. This is...

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DEV Community • 2026-08-21 07:55

Between Macro Diagnosis and Micro Implementation: What About the Gap?

Last July, Yuval Noah Harari, one of the most widely read thinkers of our time, spoke about AI at a corporate event. His claim was a bold one: calling AI a tool is wrong. A tool cannot decide on its own, and it cannot invent anything new. The printing press could not choose what to print, and the bomb could not choose where to fall. Today's AI can. So it is not a tool but an agent. He went a step ...

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DEV Community • 2026-08-21 07:54

Must read

Enterprise MCP Gateway Solutions: Providers, Alternatives, and Cost 💎 Anthony Max Anthony Max ...

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The Hidden Infrastructure Tax of Running Autonomous Agents 24/7
HackerNoon • 2026-08-21 07:53

The Hidden Infrastructure Tax of Running Autonomous Agents 24/7

Learn how to run autonomous AI agents reliably 24/7 by comparing laptops, unmanaged VPSs, and managed runtimes, with a practical look at agent infrastructure.

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DEV Community • 2026-08-21 07:50

Why Your AI Coding Agent Should Never See Your .env

Why Your AI Coding Agent Should Never See Your .env Your AI agent uses your API keys. It NEVER sees them. Not in context. Not in logs. Not in chat. Not even if it tries. You just gave your AI coding assistant a .env file with OPENAI_API_KEY=sk-..., GITHUB_TOKEN=ghp_..., maybe an AWS_SECRET. You trust it to use those keys. But here's the uncomfortable question nobody asks: Where doe...

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Hacker News: Front Page • 2026-08-21 07:48

Better Batteries

Article URL: https://matklad.github.io/2026/08/20/better-batteries.html Comments URL: https://news.ycombinator.com/item?id=49385068 Points: 3 # Comments: 0

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DEV Community • 2026-08-21 07:47

The H.I. First Manifesto: Why 99% of AI Workflows Fail (And How to Be the 1%)

Why relying strictly on generative AI leads to the commodity trap, and how Human Intelligence remains the non-negotiable core of elite engineering. Generative AI has democratized speed, but it has also created a market flood of algorithmic mediocrity. Here is why Human Intelligence (H.I.) must remain the lead architect of your software and systems. TL;DR: Generative AI tools are incre...

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DEV Community • 2026-08-21 07:45

₹399 Became Three Different Prices, and I Don't Know Why: A Pricing Bug in Razorpay Subscription Tiers

From the very first working version of MockEvalio, there was one paid plan: Free, or Pro at ₹399 a month. That number sat in the product for a month without anyone being able to actually pay it — the Razorpay keys were wired into the config from the second commit of the whole project, but nothing behind them worked yet. Then, within nine hours of that finally changing, ₹399 stopped being the price...

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DEV Community • 2026-08-21 07:43

Cross-posting to dev.to without giving away your SEO

Every article I write lives on my own site first. A copy goes up on dev.to a day or two later, and that copy reliably gets more readers than the original does. One piece has 106 views over there. My own analytics can't honestly tell me how many humans read it here, which is a separate mess I wrote about last week. So I am deliberately publishing my best work somewhere with more traffic than my si...

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Stack Overflow Blog • 2026-08-21 07:40

Get rid of your CAPTCHA, the future of the web is bots

Ryan chats with Brian Alvey, CTO at WordPress VIP, about how AI agents are changing the business models of the web, what parts of how we build our sites won’t survive our current digital evolution, and why your site will always need structured content.

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Marla to Gaj (Square Yard) Conversion: A Simple Tool I Built for My Local Marketplace
DEV Community • 2026-08-21 07:30

Marla to Gaj (Square Yard) Conversion: A Simple Tool I Built for My Local Marketplace

If you've ever bought or sold property in Pakistan, you've run into this problem: land size gets quoted in marla, kanal, square feet, or gaj (square yards) — often interchangeably, depending on who you're talking to. A property dealer might tell you a plot is "5 marla," while the registry documents list it in square yards, and a buyer coming from a different city might only think in gaj. That mis...

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DEV Community • 2026-08-21 07:29

Your Laravel queue worker count is a guess. Here is the math that replaces it.

Every Laravel deployment I have seen has a line like this somewhere: [program:queue-worker] numprocs=10 Why 10? Nobody knows. Someone picked it years ago and it stayed. Too low and jobs wait minutes during a campaign blast. Too high and you burn RAM all night for workers doing nothing. The number is wrong in both directions because load changes and the config does not. I spent this week ...

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Hacker News: Front Page • 2026-08-21 07:23

The Lost Treasure of Sid Meier's Pirates

Article URL: https://remapradio.com/articles/the-lost-treasure-of-sid-meiers-pirates/ Comments URL: https://news.ycombinator.com/item?id=49384896 Points: 4 # Comments: 0

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DEV Community • 2026-08-21 07:21

ACH Return Codes Explained: R01–R85 and How to Handle Them in Production

ACH Return Codes Explained: R01–R85 and How to Handle Them in Production Understanding ACH Return Codes: A Developer's Guide When an ACH transaction fails, you don't get a generic "payment declined" message. Instead, the National Automated Clearing House Association (Nacha) returns a specific two-character code that tells you exactly why the transaction was rejected. Understanding thes...

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DEV Community • 2026-08-21 07:17

Your compiled DSPy program re-sends up to 20 few-shot demos on every single call

DSPy's pitch is that you stop hand-writing prompts and let an optimizer compile them for you. You write a program out of modules, hand it a metric and a trainset, run a teleprompter, and it finds good few-shot examples for each step. It genuinely works. The part the tutorials don't put a number on is what "found good few-shot examples" costs you — not once, but on every call your compiled program ...

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DEV Community • 2026-08-21 07:14

How a Hacker’s 31M Surveillance Tests Became Anti‑Spy Clothing

Photo by Towfiqu barbhuiya on Unsplash TL;DR: Hacker Bill Swearingen turned 31 million surveillance‑evasion trials into a line of privacy‑first clothing, letting wearers slip past facial‑recognition cameras without a trace. When the global network of street‑cameras and AI‑powered facial‑recognition systems started feeling like an omnipresent watchdog, a former software engineer chose a decidedly...

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DEV Community • 2026-08-21 07:12

I put a proxy on the MCP pipe for 90 trials. Most of one client's calls never reached the server

In the last post, on 2026-08-18, I published what 14 MCP servers cost a context window before an agent does any work, and said the next thing was Tier 2: real clients, real tasks, every frame logged. That has now run. Ninety trials, three servers, two clients, fifteen scripted tasks, three trials each, through a proxy on the MCP stdio pipe. The finding worth the post is not in the token table. I...

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DEV Community • 2026-08-21 07:12

AI Agent Hacks Gym Waitlist, Tech World Reacts

Photo by Microsoft Copilot on Unsplash TL;DR: An Anthropic‑powered Claude agent accessed a boutique gym’s class‑booking platform, moved its creator up the waitlist, and sparked a wave of debate about AI‑driven automation and security across the tech sector. The buzz in Silicon Valley this week isn’t about a new product launch or a funding round—it’s about a software‑agent that slipped past a gym...

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DEV Community • 2026-08-21 07:12

Demystifying 20 Pounds: A Quick Physical Reference Guide of 12 Everyday Objects

When designing physical calculators, weight comparison tools, or inventory logging systems, having accurate real-world data references is essential. In physical terms, how do we contextualize 20 pounds (approx. 9.07 kg)? Here is a curated reference list of 12 everyday items that weigh right around 20 lbs: Pet Supplies: A standard medium bag of dry pet food. Travel Gear: A packed weekend carry-o...

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DEV Community • 2026-08-21 07:12

I Thought I Could Build It in 9 Days I Was Wrong

9 days. 7 Codex accounts. Multiple free credits exhausted. Replit credits gone. API limits. An old laptop with 8GB RAM and basically no storage left. Barely any sleep. And somehow… I still kept building. I started Hack Hydra, a 9-day HydraDB hackathon, thinking I had enough time and resources to build something ambitious. Spoiler: I absolutely did not. 😅 I started with Codex and burned through ...

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