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DEV Community • 2026-04-19 15:52

Evergreen Sentinel : Know Your Waste Laws Before You Toss It

🌿 Evergreen Sentinel — AI Sustainability Auditor This is a submission for Weekend Challenge: Earth Day Edition What I Built Describe any item — a plastic bottle, leftover food, an old t-shirt — and Evergreen Sentinel tells you exactly what to do with it based on your local 2026 waste laws and current weather conditions. Every audit returns: A category — Fabric, Food, or M...

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1m read
Why Can We Use "Shorter" Keys?: Key Length vs Security Bits, the Real Story
DEV Community • 2026-04-19 15:50

Why Can We Use "Shorter" Keys?: Key Length vs Security Bits, the Real Story

"ECDSA P-256 has shorter keys than RSA-2048. So it must be weaker." ...I used to think that too. 2048 bits vs 256 bits. Just looking at the numbers, RSA seems 8x "stronger." But NIST (the National Institute of Standards and Technology) treats these two as equal in security strength. On top of that, RSA-2048's actual security does not even reach "128-bit security." It sits at 112 bits, and it is...

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12m read
Hacker News: Front Page • 2026-04-19 15:48

Turtle WoW classic server announces shutdown after Blizzard wins injunction

Article URL: https://www.pcgamer.com/games/world-of-warcraft/turtle-wow-classic-server-announces-shutdown-after-blizzard-wins-injunction/ Comments URL: https://news.ycombinator.com/item?id=47825160 Points: 4 # Comments: 1

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1m read
DEV Community • 2026-04-19 15:48

Tại sao OCR đa ngôn ngữ thất bại dù đã mở rộng character set

Giới thiệu Khi xây dựng OCR đa ngôn ngữ, nhiều đội kỹ thuật thường bắt đầu với một giả định có vẻ hợp lý: chỉ cần mở rộng số lượng ký tự mà mô hình có thể sinh ra, chất lượng nhận dạng sẽ tự cải thiện. Nhưng trong thực tế, đây chỉ là một phần rất nhỏ của bài toán. Trường hợp của Nemotron OCR v1 cho thấy điều này khá rõ. Mô hình hoạt động tốt với tiếng Anh, nhưng giảm chất lượng mạnh kh...

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21m read
Hacker News: Front Page • 2026-04-19 15:48

Claude Brain

Article URL: https://github.com/memvid/claude-brain Comments URL: https://news.ycombinator.com/item?id=47825158 Points: 18 # Comments: 1

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1m read
DEV Community • 2026-04-19 15:47

An Hour Down Claude Code's Memory Hole

TL;DR: Claude Code ships an auto-memory feature on by default. It eats roughly 47% of every system prompt. One environment variable turns it off, and behavior improves immediately. The story below is what I saw and how I found the switch. Claude Code was acting off this week. Saving memories I didn't ask it to save. Taking verbose detours on simple tasks. Once, it edited a file without reading it...

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6m read
DEV Community • 2026-04-19 15:46

Shipping My First Production Site with Lovable: What I Learned

I’ve spent the better part of my career building things the traditional way: hand-coding components, managing state, and meticulously translating Figma files into code. However, for a recent project, we decided to try a different workflow to build and ship a production level website using an AI tool. We used Lovable to see if we could bridge the gap between design and production faster. It was an...

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4m read
DEV Community • 2026-04-19 15:43

I Built an AI Memory System. Then I Forgot About It.

The memory system I built for Claude has been running since February. Every prior phase — from the first CLAUDE.md file to the nightly sync pipeline to the knowledge graph — followed the same pattern: use the system, hit friction, build the next layer. I expected that cycle to keep going. I expected to keep building. The cycle did slow down. Not because I gave up — because the core architecture ...

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8m read
DEV Community • 2026-04-19 15:42

How to Safely Execute LLM Commands in Production Systems

LLM agents are becoming operational interfaces. This is part 2 of our ongoing series on safely integrating LLMs with production backends. Before diving in, you might want to read the previous part. They summarize tickets, inspect logs, propose remediation steps, and increasingly trigger backend actions. That is exactly where the real risk begins. In production systems, the question i...

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7m read
Your Pipeline Is 28.4h Behind: Catching Environment Sentiment Leads with Pulsebit
DEV Community • 2026-04-19 15:41

Your Pipeline Is 28.4h Behind: Catching Environment Sentiment Leads with Pulsebit

Your Pipeline Is 28.4h Behind: Catching Environment Sentiment Leads with Pulsebit We've just uncovered a fascinating anomaly: a sentiment score of -0.600 with momentum at +0.000, leading us to an important insight. It’s a stark reminder of how nuanced sentiment can be, particularly in the environmental domain. The leading language is English, with a notable 28.4-hour lag in reporting co...

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3m read
PCR vs PLS: When Fewer Features Beat More
DEV Community • 2026-04-19 15:38

PCR vs PLS: When Fewer Features Beat More

How much should a baseball team pay its players? The 1986 Major League season gives us 263 hitters with 19 statistics each: at-bats, hits, home runs, years played, and more. Predicting salary from performance sounds like a textbook regression problem, but 19 correlated features make it anything but. Throw them all into a linear regression and the model fits the training data beautifully but falls ...

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12m read
DEV Community • 2026-04-19 15:34

TiDB for AI Memory: Vector Search, HTAP, and Horizontal Scaling in One Database

Most AI applications today run on a fragmented stack. Pinecone stores your vectors. PostgreSQL holds your user data. Redis caches frequently accessed information. Snowflake runs your analytics. You write synchronization logic, debug consistency issues, and pay for data transfer between systems. There is a different approach. TiDB consolidates this entire stack into one database that scales horizo...

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23m read
DEV Community • 2026-04-19 15:32

Wireshark Is Great — Here's Why It's Not Enough for Production Networks

It was 2 AM on a Tuesday when the on-call engineer finally opened Wireshark on his laptop, plugged into a mirror port on the core switch, and started capturing packets. The e-commerce platform had been experiencing intermittent 500 errors for six hours. APM dashboards showed elevated latency but couldn't pinpoint the source. SNMP polling reported all interfaces healthy. The CDN was fine. The datab...

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9m read
Lobsters • 2026-04-19 15:27

What we once had (at the height of the XMPP era of the Internet) (2023)

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1m read
Hacker News: Front Page • 2026-04-19 15:23

Vercel Says Internal Systems Hit in Breach

Article URL: https://decipher.sc/2026/04/19/vercel-says-internal-systems-hit-in-breach/ Comments URL: https://news.ycombinator.com/item?id=47824976 Points: 17 # Comments: 1

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1m read
DEV Community • 2026-04-19 15:23

FluentValidation en .NET 10 sin ensuciar tus entidades (Clean Architecture + MediatR)

Hola a Todos. Uno de los errores más comunes al construir aplicaciones en .NET es mezclar validaciones directamente en las entidades usando atributos como: [Required] [MaxLength] [EmailAddress] Aunque esto funciona, introduce varios problemas: ❌ Acopla el dominio a frameworks como ASP.NET ❌ Dificulta las pruebas unitarias ❌ Mezcla responsabilidades ❌ Reduce reutilización En este artículo v...

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4m read
The Mental Framework for Unlocking Agentic Workflows
DEV Community • 2026-04-19 15:22

The Mental Framework for Unlocking Agentic Workflows

📌 This article was originally presented as a talk at the inaugural Claude Code Manila meetup (March 5, 2026). After several requests from the attendees to share the slides, I've decided to instead publish them as a full article here. I figured that this was a more effective medium to share my insights on reliable long-running agentic workflows. The Beginner's Mark One of the most com...

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13m read
DEV Community • 2026-04-19 15:21

Three Vulnerabilities That Quietly Rewrote the Threat Model in 2025

Three Vulnerabilities That Quietly Rewrote the Threat Model in 2025 Every security vendor on the internet publishes a "top CVEs of the year" listicle. This isn't one of them. What I want to do is take three vulnerabilities from 2025 that, individually, look like another round of patch-and-move-on — and show why, taken together, they describe a shift that most teams haven't internalized...

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10m read
Hacker News: Front Page • 2026-04-19 15:20

Notion leaks email addresses of all editors of any public page

Article URL: https://twitter.com/weezerOSINT/status/2045849358462222720 Comments URL: https://news.ycombinator.com/item?id=47824945 Points: 5 # Comments: 0

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1m read
DEV Community • 2026-04-19 15:19

Server builds, wallet signs, webhooks confirm — a non-custodial Web3 checkout pattern with Solana

I've been building a Solana checkout flow. The core challenge: the server needs to control the terms of every payment — the amount, the recipient, the audit trail — without ever holding a private key. This post documents the pattern I landed on: Checkout session with TTL and CSRF protection Atomic token invalidation to prevent TOCTOU race conditions A server-side pending record (similar to Stri...

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1m read
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