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Understanding Database Relationships: From Relational Models to Star and Snowflake Schemas

INSIGHTS INTO POWER BI DATA ANALYSIS :FROM DATA TO DECISIONS Databases are much more than collections of tables—they're systems designed to organize, connect, and retrieve data efficiently.

dev.to Jun 29, 2026 Read more →

4 AWS Infrastructure Gotchas That Will Get Your Account Hacked (And How to Fix Them in Terraform)

We’ve all heard the horror stories: a developer pushes a quick Terraform module on Friday afternoon, and wakes up Monday to a $14,000 AWS bill because bots turned their staging environment into a Mone

dev.to Jun 29, 2026 Read more →

ReAct Inside — From Message to State, Understanding How AI Agents Really Work

When people first encounter ReAct (Reason + Act), they often think it's just adding three fields—Thought / Action / Observation—to the prompt. But in reality, the core of ReAct isn't the prompt form

dev.to Jun 29, 2026 Read more →

A practical release checklist for AI voice agents before they talk to real customers

Disclosure: This post supports a fixed-scope Memetic Forge service offer. No affiliate links are included. Most AI voice-agent demos sound good in a five-minute founder walkthrough. Production is dif

dev.to Jun 29, 2026 Read more →

Layer 2 Unpacked: How Rollups Slash Ethereum's Fees and Fix Congestion [EN]

When I first started architecting blockchain solutions over a decade ago, the dream was simple: build decentralized applications that anyone, anywhere, could use without friction. Reality, however, ha

dev.to Jun 29, 2026 Read more →

Layer 2: A Engenharia Secreta Que Destrava a Velocidade do Ethereum [PT-BR]

Quando comecei a trabalhar com aplicações descentralizadas há mais de uma década, lembro bem da frustração de pagar US$ 50 em taxas de transação para mover alguns tokens na rede Ethereum durante um pi

dev.to Jun 29, 2026 Read more →

Cómo solucionar `docker run` con error `Exited (1)` en Raspberry Pi

Cómo solucionar docker run con error Exited (1) en Raspberry Pi ¿Por qué ocurre este error? El código de salida 1 indica que el proceso principal del contenedor terminó con un er

dev.to Jun 29, 2026 Read more →

The LLM Should Never Do the Math

A CFO will not act on a number an LLM eyeballed. They will not act on a number the model "estimated" by reasoning over a usage dump. And they should not — because the moment a language model emits a d

dev.to Jun 29, 2026 Read more →

What Actually Happens in the First Call With a US Team After Your CV Passes

You finally get the response. The CV cleared whatever filter it was up against, and now there is a calendar invite for a thirty or forty five minute call. Most developers treat this as the technical s

dev.to Jun 29, 2026 Read more →

Popular Tags: How I Used Browser Storage to Efficiently Manage User Data

As a solo developer working out of an RV, I've learned to appreciate the importance of staying organized, especially when it comes to managing user data in my Chrome extension, Tab Reminder. One of th

dev.to Jun 29, 2026 Read more →

Why I Built a JSON Toolkit That Never Touches a Server

Most of the time, when I need to inspect a complex JSON payload, I copy the raw string from my terminal or network tab, open a browser tab, and paste it into one of the many "JSON Formatter" sites tha

dev.to Jun 29, 2026 Read more →

Omen AI’s plan to optimize data centers is all wet

Omen AI raised a $31 million Series A to monitor chip coolant and stop bacterial outbreaks in data centers.

techcrunch Jun 29, 2026 Read more →

Flipper Device’s new Busy Bar is a customizable display for productivity

Flipper Device's new Busy Bar will retail for $249.

techcrunch Jun 29, 2026 Read more →

The Flipper Zero creators’ Busy Bar productivity display will go on sale next month

First announced over a year ago in April 2025, the Busy Bar will be available for purchase starting on July 14th when the device also starts shipping. Created by the same team behind the Flipper Zero

theverge Jun 29, 2026 Read more →

How to end a TV show

Ending any story is hard, but that's especially true of mystery-packed TV shows. Series like Lost initially hook viewers with constantly building secrets and questions, to the point that they can ofte

theverge Jun 29, 2026 Read more →

Comcast is splitting in two

Comcast has announced plans to separate itself into two publicly traded companies, spinning off its NBCUniversal and Sky broadcasting arms. The shake up aims to protect the media conglomerate's profit

theverge Jun 29, 2026 Read more →

Caffeinated and decaffeinated coffee lower stress, depression and impulsivity

Score: 33 | Comments: 22

hackernews Jun 29, 2026 Read more →

The war against ‘woke’ could end US science as we know it

A sneaky rule change has the potential to blow up scientific research in the United States. But there's still time to fight it. On May 29th, the Office of Management and Budget (OMB) issued a 412-page

theverge Jun 29, 2026 Read more →

Sandia National Labs SA3000 8085 CPU

Score: 66 | Comments: 14

hackernews Jun 29, 2026 Read more →

Pollen (CEO Negus-Fancey, CTO Wright) tried to remove article, and Google helped

Score: 447 | Comments: 58

hackernews Jun 29, 2026 Read more →
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