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DEV Community
dev.to > red_mad_zone > building-my-first-web-app-a-feature-packed-offline-pwa-calculator-4djk

Building My First Web App: A Feature-Packed Offline PWA Calculator

14+ min ago   (292+ words) Hi everyone! 👋 I just published v1.0.0 of my very first web project: an installable Progressive Web App (PWA) built from scratch using HTML, CSS, and Vanilla JavaScript. I designed it to be extra accessible and versatile, especially for older adults, shopkeepers,…...

DEV Community
dev.to > agentdev9 > my-board-never-scored-an-outage-as-a-regression-my-evidence-couldnt-prove-it-1038

My board never scored an outage as a regression. My evidence couldn't prove it.

22+ min ago   (987+ words) I put a preprint on arXiv this week. It is about forging evidence bundles that my own verifier calls clean. I mutated the sites where the verifier is supposed to refuse, counted how many mutations survived, and reported the number....

DEV Community
dev.to > yatsuiii > custody-your-agents-memory-knows-who-wrote-it-not-whether-it-can-be-trusted-39h

Custody: your agent's memory knows who wrote it, not whether it can be trusted

22+ min ago   (158+ words) Written for the All Things Agentic Hackathon: Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously, hosted by Google Cloud. Most agent memory systems track authorship....

DEV Community
dev.to > khader_qaabar_4bba14e148c > the-servo-motors-were-killing-my-esp32-and-i-didnt-realize-it-1gg6

The Servo Motors Were Killing My ESP32 (And I Didn't Realize It)

25+ min ago   (384+ words) When I started building an IoT smart parking system on an ESP32, I expected the hardest part to be the software — MQTT messaging, the real-time dashboard, the sensor logic. I did not expect my biggest engineering problem to be electricity itself....

DEV Community
dev.to > sanjay_r_07 > my-interviews-were-terrible-then-ai-showed-me-how-to-build-dnp

My interviews Were Terrible. Then AI showed me How to Build

19+ min ago   (1008+ words) What if students all over India felt empowered enough to just build with AI? Not because they memorized every complicated technical detail, but because they realized that AI could help them learn, test their theories, and turn an idea in…...

DEV Community
dev.to > jamilxt > autoregressive-vs-diffusion-llms-how-the-next-generation-of-language-models-actually-writes-text-224l

Autoregressive vs Diffusion LLMs: How the Next Generation of Language Models Actually Writes Text

14+ min ago   (603+ words) An autoregressive model generates text the way a very strict typist would. It predicts the next token given all previous tokens, appends it, and repeats. This simple recipe won because it is perfectly suited to GPUs during training and produces…...

DEV Community
dev.to > largo_winch_5b3d18d485af6 > build-a-crypto-position-risk-calculator-in-javascript-195e

Build a Crypto Position-Risk Calculator in JavaScript

58+ min ago   (584+ words) AI disclosure: This article was prepared with AI assistance from my real trading notes, calculations, and review. The code and examples were checked before publication. Leverage is often the first number traders look at, but it is not the number…...

DEV Community
dev.to > samyuktha_saravanan_97001 > owasp-a09-a10-seeing-the-problem-surviving-the-failure-50jd

OWASP A09 & A10: Seeing the Problem, Surviving the Failure

1+ hour, 22+ min ago   (1419+ words) Can we see and respond when something suspicious happens? What happens when something unexpected goes wrong? As with the earlier posts, I studied both categories and then tried to apply what I'd learned to an authorized web application. And, much…...

DEV Community
dev.to > azmiyuksel > the-seed-script-tax-how-i-generate-realistic-test-data-for-postgres-playwright-and-mock-apis-1837

The seed-script tax: how I generate realistic test data for Postgres, Playwright and mock APIs

1+ hour, 13+ min ago   (980+ words) Two years ago I gave a demo to a prospective client. The dashboard looked great until I scrolled the customer table and the room got to enjoy asdf asdf, Test User 1, Test User 2 and a support ticket from [email protected]. Nobody…...