Fire your bad customers

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They were a bad fit from the start - needy for excessive support over phone or WhatsApp, demanding discounts, and raising hell at the slightest hiccup. Past me didn ’t want to lose any potential paying customer. Or have a dissatisfied customer who might ...

The German front in rare color photos, 1914-1918

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These incredible color photographs of the German battlefront during the First World War, 1914-1918, were taken by Hans Hildenbrand. Although color photography has existed since at least 1879, it didn ’t become popular until many decades later. The overwhelming ...

Twitter x TikTok = Twiktwok

Swipe through videos from twitter

There’s no such thing as a tech expert anymore

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Every time Congress holds a hearing about Silicon Valley companies, people mock the legislators for being out of their depth. Last week’s effortby the antitrust subcommittee of the House Judiciary Committee was no exception. "The technological ignorance ...

Firefox Voice

Real Time Machine Learning (2019) [pdf]

Exploit the physics of emerging devices, analog CMOS, and non-Boolean computational models to achieve new levels of performance and power for real-time sensor imaging systems.TA1: Image Application for Benchmarking: Recreate a traditional image processing ...

UPI: India's Unified Payments Interface

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In this article, we will learn about India's Unified Payments Interface. A four-year-old payment scheme that has been accounting for 40-45% of digital payments across India. In December 2019, Google recommended the Federal Reserve to follow the model of UPI for the design of FedNow.

Show HN: Create diagrams stitching images on a grid using HCL (like Terraform)

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_ _ _ |_|_ _ _____| |_| |___ | | | | | . | | -_| _| |___|_|_|_|___|_|___| |___| Create (not just) diagrams stitching, connecting and labelling images on a grid using HCL syntax (like terraform!).

Low-cost measurement of facemask efficacy for filtering expelled droplets

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Mandates for mask use in public during the recent COVID-19 pandemic, worsened by global shortage of commercial supplies, have led to widespread use of homemade masks and mask alternatives. It is assumed that wearing such masks reduces the likelihood for an infected person to spread the disease,...

Typing Is Hard

Type checking is the process of taking a given program in some programming language and working out whether all variables and expressions have the correct types, i.e. strings are assigned to strings, arithmetic expressions involve only numbers, etc. ...

Rome: A Linter for JavaScript and TypeScript

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We’re excited to announce the first beta release and general availability of the Rome linter for JavaScript and TypeScript. This is the beginning of an entire suite of tools. Rome is not only linter, but also a compiler, bundler, test runner, and ...

Show HN: Relinx – new kind of Asset tracking – CMDB

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Sign Up Login Your asset tracking software doesn't have to be so complex and clumsy Meet Relinx New kind of asset tracking, simple, flexible yet powerful. Start entering your data and define the model on the fly! Tree Structure Arrange your assets in a way similar to real-world usage Properties...

Reverse-engineering the Intel 8086's instruction register

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The Intel 8086 microprocessor is one of the most influential chips ever created; it led to the x86 architecture that dominates desktop and server computing today. But it is still simple enough that its circuitry can be studied under the microscope ...

Why the U.S. government is allowing bears, wolves to be hunted in their dens

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When wolf hunting season opened in Alaska on August 1, it became legal in many national preserves for hunters to kill nursing mothers in dens with their pups. In October, when black bear hunting season begins, females settling down for hibernation with ...

Business software is so good now, that it’s competing with consumer software

For a long time, business software was clunky. Consumer software continued to radically innovate on user experience, staying ahead of the curve. Palm to iPhone. Styluses to capacitive touch. Taxis to Ubers. Torrents to Netflix. MP3s to Spotify, etc. ...

SpaceX and ULA win billions in Pentagon rocket contracts

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The U.S. Air Force on Friday awarded rocket builders United Launch Alliance and SpaceX contracts worth billions to launch national security missions for five years starting in 2022.

C.I.A. Lacing (2014)

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This set of methods was taught to C.I.A. officers during the Cold War as a form of covert signalling, using straight segments interpersed with one or more visible crossovers at different positions.

The Challenges and Delights of Photographing the Night Sky

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Since ancient times, the night sky has been full of mystery and a source of fascination. Some early civilizations, living under naturally dark skies that are far less familiar to many people today, envisioned the stars as part of a solid dome ...

Interviewing Mission Director Chandrayaan 1 (that found water on the Moon)

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India’s first lunar mission, Chandrayaan 1, confirmed the presenceof water on the Moon. It was a groundbreaking achievement for its Mission Director, Srinivasa Hegde, who worked at the Indian Space Research Organization (ISRO) for 36 years, from 1978 ...

Ask HN: How does your organisation train programmers?

In High Output Management, Andy Grove stresses the importance of training staff in their duties. In fact, he lists it as one of only two methods of improving performance (the other pertaining motivation).

Apple takes legal action against small company with pear logo

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Prepear is a meal planner and grocery list app that helps people discover recipes and more. It’s a spin off from the founders of Super Healthy Kids and right now they saying its logo is under legal attack from Apple.

What I Learned from the Worst Novelist in the English Language

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Some time ago, after several years on the job market, I landed a professorship at a small university in Wisconsin, a little moon of the state system orbiting the more recognizable institution in Madison. Like any newcomer to an unfamiliar workplace, I ...

Ask HN: Is it a good practice to provide open-source version of your paid app?

Hello hackers, While building a few products, I was wondering if it could be a good practice to release a chunk of my paid software to the open-source community? Will that have any adverse effects on the product? Or will it benefit overall?

Wheat yield potential in controlled-environment vertical farms

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Wheat is the most important food crop worldwide, grown across millions of hectares. Wheat yields in the field are usually low and vary with weather, soil, and crop management practices. We show that yields for wheat grown in indoor vertical farms under optimized growing conditions would be...

All these companies were a lot smarter than us. What we had was luck (1984)

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HOMEBREW AND HOW THE APPLE CAME TO BE by Stephen Wozniak Stephen Wozniak is the designer of the Apple II computer and cofounder of Apple Computer Inc. Without computer clubs there would probably be no Apple computers. Our club in the Silicon ...

Water beetles that survive being swallowed by frogs

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Being swallowed alive by a  frog is a death sentence for most insects, but one beetle species shrugs off being digested and instead finds freedom by sneaking out through its captor's anus.

Debt collector profits soar with people flush and easy to find

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Electric cooker an easy, efficient way to sanitize N95 masks, study finds

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CHAMPAIGN, Ill. — Owners of electric multicookers may be able to add another use to its list of functions, a new study suggests: sanitization of N95 respirator masks. Led by civil and environmental engineering professors Thanh “Helen” Nguyen and Vishal ...

Music for Plants

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http://reallifemag.com/wp-content/uploads/2020/08/Music-for-Plants.mp3 Last month, as Spain lifted its lockdown, a string quartet took the stage at Barcelona’s Gran Teatre de Liceu. They played Emilio Puccini’s I Crisantemi, or The Chrysanthemums ...

Malcolm Gladwell: How I Rediscovered Religion

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When I was writing my book David and Goliath, I went to see a woman in Winnipeg by the name of Wilma Derksen. Thirty years before, her teenage daughter, Candace, had disappeared on her way home from school. The city had launched the largest manhunt ...