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Contribution Margin and Break-Even: The Fixed Cost That Does Not Belong in the Unit

By Michael Nocito, data analyst · Published August 11, 2026 By the end of this page you can answer three questions that come up constantly and get answered wrong: does one more sale make money, how m

dev.to Sep 06, 2026 Read more →

SUM vs SUMX in DAX: Why a Row-by-Row Calculation Needs an Iterator

By Michael Nocito, data analyst · Published August 10, 2026 By the end of this page you can look at any DAX aggregation and say which of the two it needs, before you write it. You will also be able t

dev.to Sep 06, 2026 Read more →

Competitive Pokémon is on phones now, but you still need a Switch to become a champion

To get started with competitive Pokémon battles, all you need is your phone. But to compete at the highest level, like at the Pokémon World Championships, you're going to need a Switch. And there does

theverge Sep 06, 2026 Read more →

The Fairphone 6 Plus is the midrange phone we desperately needed

The Fairphone 6 Plus feels like an extremely average midrange Android phone and I couldn't be more thrilled. The mission has always been admirable. Fairphone seeks out ethically sourced materials and

theverge Sep 06, 2026 Read more →

Schemy Lisp En DOS

Score: 3 | Comments: 0

hackernews Sep 06, 2026 Read more →

Why Verification Asks You to Leave the Language You Ship

A test lives in the file you already have open. You write it in the language you ship, you run it, and when it fails you get an input you can look at. The first week with a verifier doesn't work like

dev.to Sep 06, 2026 Read more →

A Straightforward Guide for MVCC in Postgres

Overview In this article, I'll introduce the concept of Multi-Version Concurrency Control (MVCC) and explain how Postgres implements this protocol across different isolation levels. I'm ass

dev.to Sep 06, 2026 Read more →

We’ve Talked About the Agent Internet. Here’s What We Actually Built.

Over the last few posts, I’ve been writing about what I think an Agent Internet needs. Identity. Reputation. Discovery. Trust. So today I want to stop talking about the theory for a bit and show

dev.to Sep 06, 2026 Read more →

How to Make Your Website Visible in AI Search: A Practical GEO Guide

Getting your website indexed by Google is no longer the whole job. People now ask ChatGPT, Google AI Overviews, Gemini, Perplexity, and other AI tools questions they previously typed into a tradition

dev.to Sep 06, 2026 Read more →

"Why Your Spring Boot API is Slow: The N+1 Query Problem (And How I Fixed It in Production)"

I was debugging a Spring Boot API at 2 AM on a Tuesday when I realized something that should have been obvious: my database query was being executed 500 times per request. Not 5 times. Not 50 times.

dev.to Sep 06, 2026 Read more →

Why your web teleprompter records sideways on iPhone and Android. Here is the fix

I built a teleprompter that runs in the phone's browser and records the take with the front camera behind the script. The scrolling part took an evening. The recording part took three nights, and ever

dev.to Sep 06, 2026 Read more →

SmoothDelete: Animated AJAX Row Deletion for Modern and Legacy Web Apps

Deleting one table row should feel immediate and polished, even in older business systems. Most CRUD scaffolding deletes a row by navigating to a URL and reloading the whole page — which resets your s

dev.to Sep 06, 2026 Read more →

The ledger asks the model to show its work before it counts the money

This is a submission for Weekend Challenge: Generosity Edition What I Built A donation ledger for a group too small to buy software. It is a Google Sheet, some Apps Script, and one public

dev.to Sep 06, 2026 Read more →

The pencil case model of creativity

Score: 11 | Comments: 0

hackernews Sep 06, 2026 Read more →

DIY plug-in solar gains momentum in the US

This is The Stepback, a weekly newsletter breaking down one essential story from the tech world. For more on e-bikes, power stations, and how to work anywhere, follow Thomas Ricker. The Stepback arriv

theverge Sep 06, 2026 Read more →

Intellectual Fly Is Open

Score: 86 | Comments: 52

hackernews Sep 06, 2026 Read more →

Doomscrolling Ourselves to Death

Score: 52 | Comments: 31

hackernews Sep 06, 2026 Read more →

New all in one 6502 computer (Neo6502kbd)

Score: 11 | Comments: 2

hackernews Sep 06, 2026 Read more →

Don't Use a gmail.com Address

Score: 29 | Comments: 7

hackernews Sep 06, 2026 Read more →

'Old Person Smell'

Score: 19 | Comments: 6

hackernews Sep 06, 2026 Read more →
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