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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DEV Community • 2026-08-21 07:11

Your eBay scraper is billing customers for adverts

Scraping eBay search results looks like a solved problem until you count the rows and find you have paid for advertising. Sponsored cards sit in the same result grid, in the same markup, as organic listings. If you select every card on the page you will emit them, and a customer paying per result will pay for placements they did not ask for. That is the defect worth engineering against — not the ...

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5m read
DEV Community • 2026-08-21 07:07

Meaningful Dirty State, Fingerprints, and Idempotency: Three Details That Make Form Submissions Reliable

Why disabling the Submit button is not enough and how content identity and operation identity solve different problems One implementation detail that often gets overlooked in real-world forms is the relationship between these three concepts: Meaningful Dirty State, Fingerprinting, and Idempotency. They are not the same thing. But when designed together, they prevent many common form-s...

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13m read
GitLab CVE-2026-19478 Comes Under Active Exploitation Within Days of Disclosure
The Hacker News • 2026-08-21 07:04

GitLab CVE-2026-19478 Comes Under Active Exploitation Within Days of Disclosure

A newly disclosed security flaw in GitLab has come under active exploitation within days of public disclosure, according to watchTowr. The vulnerability in question is CVE-2026-19478 (CVSS score: 9.4), a case of code injection that allows an unauthenticated attacker to modify or delete publicly accessible GitLab projects and rewrite their data under certain conditions without requiring

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Product Hunt — The best new products, every day • 2026-08-21 07:04

ShogunAI

Your personal AGI on your PC. Built to finish real work. Discussion | Link

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DEV Community • 2026-08-21 07:02

Advanced GPU Optimization: How to tech an LLM with CUDA and ROCm? - Part 5 (Final Part)

Welcome back, you absolute madman! You finished Part 4, implemented Flash Attention, and squeezed FP8 out of your silicon. But the industry doesn't stop at dense Transformers. In 2024/2025, every major model (Grok, Mixtral, Gemini) uses Mixture of Experts (MoE) to scale to trillions of parameters without exploding compute costs. Furthermore, if you actually try to run these monsters on a single n...

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DEV Community • 2026-08-21 07:01

Fixing Loki Regex Pipeline Stage Failures on Nginx Logs

Originally published on kuryzhev.cloud Your Loki dashboard shows the raw nginx access log fine — but every label query returns zero results, and nobody notices until the ingesters start OOMing. We hit this exact scenario on a client's edge cluster: {job="nginx"} |= "500" in Grafana Explore returned every 500 error you'd expect, but {job="nginx", status="500"} came back empty. That gap — raw te...

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7m read
Query Dynatrace Managed data directly in Claude, AWS Kiro, GitHub Copilot, and other MCP-compatible clients
SitePoint • 2026-08-21 07:00

Query Dynatrace Managed data directly in Claude, AWS Kiro, GitHub Copilot, and other MCP-compatible clients

null Continue reading Query Dynatrace Managed data directly in Claude, AWS Kiro, GitHub Copilot, and other MCP-compatible clients on SitePoint.

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DEV Community • 2026-08-21 07:00

My friend took out a loan to pay a website troll $45,000

A friend of mine runs a beauty brand on Shopify. Last month he called me, shaken. An “ADA troll” had filed an $80,000 lawsuit against him — over a handful of technical things on his website. Missing alt text. A tracker firing before consent. Things you can fix in an hour. For a business his size, fighting wasn’t an option. Defending costs more than settling, and these people know it — that’s the...

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Hacker News: Front Page • 2026-08-21 06:59

We Rebuilt the Linux MicroVM Stack on Apple Silicon

Article URL: https://encore.dev/blog/firecracker-apple-silicon Comments URL: https://news.ycombinator.com/item?id=49384716 Points: 12 # Comments: 0

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DEV Community • 2026-08-21 06:58

The Same Prompt Twice Is Double Quota: A Verifiable Cache for Free Model Endpoints

Free model endpoints bill quota per token. Send the same prompt twice, and you pay twice. Retries protect you from failures. They do not protect you from duplicates. A cache layer does. This tutorial builds one from zero. Every stage ends with a verification step. No frameworks. No dependencies. One Node.js file. The problem CI jobs repeat prompts. Tests re-run the same summarization. ...

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Product Hunt — The best new products, every day • 2026-08-21 06:58

Antigravity IDE Extensions

Antigravity agents now live inside your existing editor Discussion | Link

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DEV Community • 2026-08-21 06:46

A CSS Hover-Reveal Pattern for Technical Specs

The problem on the Gate Seal page The Gate Seal product page for a maritime client needed to present detailed specifications without turning the layout into a wall of text or a table that looked like an export from Excel. The technical detail buyers cared about was present, but visually buried. The requirement was to surface those details in a compact way, keep the implementation CSS-only, and m...

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Newest questions tagged css - Stack Overflow • 2026-08-21 06:45

How do I add css rules so as to put an html element called "div" on the center of the vieweer perspective

Help me, I've been trying to figure this out for hours. I've tried a few different things and searched around, but I still can't get it working. Any help would be appreciated because I'm completely stuck.

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Newest questions tagged css - Stack Overflow • 2026-08-21 06:45

How does the javascript css div viewport know which html center is being displayed? [closed]

I am trying to understand if the browser javascript knows when the css has finished putting the div into the viewport center perspective. For example if the html div is centered, is the center stored somewhere inside the DOM or does css calculate the middle every time the screen perspective changes? I tried inspecting the div but there doesnt seem to be a center value unless im looking in the wron...

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