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Net Present Value (NPV): How to Discount Cash Flows and Read the Answer

By Michael Nocito, data analyst · Published August 11, 2026 By the end of this page you can take a project that costs money now and pays money later, and produce one number that says whether it is wo

dev.to Sep 07, 2026 Read more →

Current Ratio vs Quick Ratio, and Debt to Equity

By Michael Nocito, data analyst · Published August 11, 2026 By the end of this page you can look at a balance sheet and answer two questions a lender asks first: can this company pay the bills that a

dev.to Sep 07, 2026 Read more →

The bug that marked 9,133 emails as read

The bug report I got from myself was: "email isn't working, the filtering is wrong." The filtering was fine. What was actually happening is that a bot had marked 9,133 of the 9,143 messages in my per

dev.to Sep 07, 2026 Read more →

Gross vs Operating vs Net Margin: What Each One Tells You

By Michael Nocito, data analyst · Published August 11, 2026 By the end of this page you can look at an income statement and say, in one sentence, which layer of the business is losing the money. You

dev.to Sep 07, 2026 Read more →

Why comparing insurance deductibles needs shared random medical-spend paths

The hard part of comparing a high-deductible, low-premium plan with a low-deductible plan is not adding two premiums. Medical spending varies, and a fair comparison should expose both ordinary and exp

dev.to Sep 07, 2026 Read more →

How I climbed Java's concurrency staircase, one frustration at a time

I bought my first Java book when I was 23. I wasn't trying to "study concurrency," or "learn threads," or check any box. I wanted to make a nonogram — a paint-by-numbers logic puzzle, the kind where n

dev.to Sep 07, 2026 Read more →

Splash-free urinals for global sustainability and accessibility

Score: 31 | Comments: 5

hackernews Sep 07, 2026 Read more →

Why the iPhone is about to get more expensive

When Apple debuts the next generation of iPhones this week, they're likely to come with an unwanted change: a higher price tag. A price hike from the supply-chain powerhouse would be the clearest sign

theverge Sep 07, 2026 Read more →

Bentley’s Torcal EV tries to balance authenticity with fake V8 sounds

Thanks to their ability to provide a smooth ride and quiet powertrain with ease, electric vehicles are a true shoo-in for the high-end luxury automotive segment. Rolls-Royce has the Spectre, Cadillac'

theverge Sep 07, 2026 Read more →

Tiny $70 Xteink X3 e-reader puts Silicon Valley to shame

Score: 73 | Comments: 43

hackernews Sep 07, 2026 Read more →

Huawei copies Samsung’s privacy display in its latest trifold

Huawei has released its third trifold phone in China, and the company has clearly had half an eye on Samsung during development. Not only does the Mate XT 2 adopt the inward-folding form factor used o

theverge Sep 07, 2026 Read more →

'You Can See Everything' Review: Nathan Fielder's Doc About Elizabeth Holmes

Score: 143 | Comments: 84

hackernews Sep 07, 2026 Read more →

Caltech Mathathon – first hackathon ever devoted to research level mathematics

Score: 63 | Comments: 14

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Live map of public transport in Belgium

Score: 102 | Comments: 42

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Inverse Kinematics and Foot Locking

Score: 77 | Comments: 9

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Programming is Art

Score: 119 | Comments: 122

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LG smart TVs caught logging audio with screen off and snooping on local devices

Score: 455 | Comments: 252

hackernews Sep 07, 2026 Read more →

Switzerland's Federal Government Is Replacing Microsoft on 3k Computers

Score: 245 | Comments: 200

hackernews Sep 07, 2026 Read more →

Show HN: Engrim – A universal, local-first SQLite memory engine for AI CLIs

Score: 52 | Comments: 18

hackernews Sep 07, 2026 Read more →

Samsung Debuts zHBM Prototype, Stacking Memory Directly on AI Accelerators

Score: 40 | Comments: 7

hackernews Sep 07, 2026 Read more →
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