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Installing a mini-split AC in a Brooklyn apartment

news.ycombinator.com Unknown 2025-08-06 15:06:03

Last year, 2024, we replaced four PTACs with a mini-split AC. I’ve been asked about it often enough (by neighbors, coworkers, friends) that I decided to write up the experience. Hopefully it’s useful for you, too. Overall this cost us about $40k, including the cost for closing up the PTAC holes. We’ll probably never make the money back on electricity cost savings, so the main benefits are that we have more quiet and more stable temperatures now and overall I’m glad that we did it. (I’ll use th

Topics: ac holes old pipes work

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Mexico to US livestock trade halted due to screwworm spread

news.ycombinator.com Unknown 2025-08-09 19:30:49

(Washington, D.C., July 9, 2025)- Yesterday, Mexico’s National Service of Agro-Alimentary Health, Safety, and Quality (SENASICA) reported a new case of New World Screwworm (NWS) in Ixhuatlan de Madero, Veracruz in Mexico, which is approximately 160 miles northward of the current sterile fly dispersal grid, on the eastern side of the country and 370 miles south of the U.S./Mexico border. This new northward detection comes approximately two months after northern detections were reported in Oaxaca

Topics: border mexico new nws usda

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Which colors are primary?

news.ycombinator.com James Gurney 2025-08-06 15:06:45

Artists traditionally refer to red, yellow, and blue as primary colors. These three colors were once believed to be the essential set for mixing a broad palette in painting. Following this line of thinking, violet, green and orange become secondary colors because they’re mixed from the primaries. However, for more than a century, both scientific understanding and practical experience has shown that cyan, magenta, and yellow are more efficient for subtractive mixing with pigments, producing clea

Topics: blue colors primaries red yellow

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Isle FPGA Computer: creating a simple, open, modern computer

news.ycombinator.com Unknown 2025-08-06 09:20:22

Published 01 Aug 2025 (DRAFT) Be not afeard; the isle is full of noises, Sounds, and sweet airs, that give delight and hurt not. Shakespeare, The Tempest I'm creating a computer called Isle. In this post, I'll introduce you to Isle and hope to inspire you to come on a journey with me and build your own computer. This introduction is still in draft and will evolve as Isle evolves. Isle is a simple, modern computer — an open design that encourages tinkering, experimentation, and doing your own

Topics: design dev hardware isle risc

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MCP overlooks hard-won lessons from distributed systems

news.ycombinator.com Julien Simon 2025-08-09 19:42:10

Why MCP’s Disregard for 40 Years of RPC Best Practices Will Burn Enterprises Fool me once, shame on you; fool me twice, shame on me. Julien Simon 9 min read · Jul 29, 2025 -- 19 Listen Share The Model Context Protocol (MCP) promises to standardize AI-tool interactions as the “USB-C for AI.” While its simplicity accelerates adoption, MCP systematically overlooks four decades of hard-won lessons from distributed systems. This isn’t an academic concern: enterprises deploying MCP today are buildin

Topics: ai mcp protocol systems tool

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ESP32 Bus Pirate 0.5 – A hardware hacking tool that speaks every protocol

news.ycombinator.com Unknown 2025-08-09 19:56:16

ESP32 Bus Pirate ESP32 Bus Pirate is an open-source firmware that turns your device into a multi-protocol hacker's tool, inspired by the legendary Bus Pirate. It supports sniffing, sending, scripting, and interacting with various digital protocols (I2C, UART, 1-Wire, SPI, etc.) via a serial terminal or web-based CLI. Features Interactive command-line interface (CLI) via USB Serial or WiFi Web . Modes for: HiZ (default) I2C (scan, glitch, slave mode, dump) SPI (flash, sdcard, slave mode) UAR

Topics: bus esp32 pirate serial web

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An engineer's perspective on hiring

news.ycombinator.com Unknown 2025-08-09 14:49:11

note for my friends: this post is targeted at companies and engineering managers. i know you know that hiring sucks and companies waste your time. this is a business case for why they shouldn't do that. hiring sucks most companies suck at hiring. they waste everyone’s time (i once had a 9-round interview pipeline!), they chase the trendiest programmers, and they can’t even tell programmers apart from an LLM. in short, they are not playing moneyball. things are bad for interviewees too. some o

Topics: applicant interview interviews people time

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Testing Bitchat at the music festival

news.ycombinator.com Unknown 2025-08-06 22:40:40

No Content Available

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Did California's fast food minimum wage reduce employment?

news.ycombinator.com Jeffrey Clemens 2025-08-09 14:54:31

We analyze the effect of California's $20 fast food minimum wage, which was enacted in September 2023 and went into effect in April 2024, on employment in the fast food sector. In unadjusted data from the Quarterly Census of Employment and Wages, we find that employment in California's fast food sector declined by 2.7 percent relative to employment in the fast food sector elsewhere in the United States from September 2023 through September 2024. Adjusting for pre-AB 1228 trends increases this di

Topics: employment fast food sector september

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How I use Tailscale

news.ycombinator.com Unknown 2025-08-06 13:09:09

The Tailscale logo I’ve been using Tailscale for around four years to connect my disparate devices, servers and apps together. I wanted to talk a bit about how I use it, some cool features you might not know about, and some stumbling blocks I encountered. I’m not sure Tailscale needs an introduction for the likely audience of this blog, but I’ll give one anyway. Tailscale is basically a WireGuard orchestration service, with lots of nice features sprinkled on top. It’s a subscription product, b

Topics: machine ssh tailnet tailscale user

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The Scroll Art (Animated ASCII) Museum

news.ycombinator.com Unknown 2025-08-06 22:29:25

No Content Available

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The current state of LLM-driven development

news.ycombinator.com Unknown 2025-08-09 21:17:16

I spent the past ~4 weeks trying out all the new and fancy AI tools for software development. Let’s get a few things out of the way: Learning how to use LLMs in a coding workflow is trivial. There is no learning curve. You can safely ignore them if they don’t fit your workflows at the moment. LLMs won’t magically make you deliver production-ready code If you can’t read the code and spot issues, they’re hard to use past the PoC stage They have terrible code organization skills, making them los

Topics: claude code llm llms tools

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An AI-first program synthesis framework built around a new programming language

news.ycombinator.com Unknown 2025-08-09 20:36:21

July 7, 2025 Volume 23, issue 3 PDF Unleashing the Power of End-User Programmable AI Creating an AI-first program Synthesis framework Erik Meijer As a demonstration of what can be accomplished with contemporary LLMs (large language models), this paper outlines the high-level design of an AI-first, program-synthesis framework built around a new programming language, Universalis, designed for knowledge workers to read, optimized for our neural computer (Automind; queue.acm.org) to execute,

Topics: ai language programming universalis user

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People returned to live in Pompeii's ruins, archaeologists say

news.ycombinator.com Unknown 2025-08-07 18:16:52

People returned to live in Pompeii's ruins, archaeologists say New evidence suggests people returned to live among the ruins of Pompeii after the ancient Roman city was devastated by a volcanic eruption. Archaeologists believe some survivors who could not afford to start a new life elsewhere returned to the site and may have been joined by others looking for a place to settle. Pompeii was home to more than 20,000 people before Mount Vesuvius erupted in AD79, burying - and preserving - much of

Topics: archaeologists new people pompeii returned

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A Simple CPU on the Game of Life (2021)

news.ycombinator.com Unknown 2025-08-06 20:17:22

A Simple CPU on the Game of Life - Part 4 by Nicholas Carlini 2021-12-30 This is the fourth article in a series of posts that I've been making on creating digital logic gates in the game of life. The first, couple of articles started out with how to create digital logic gates and use them in order to construct simple circuits. In this post we're going to actually build a first real computer: a (2-stage pipelined) unlimited register machine. And later on ([5]) we'll make an even better computer

Topics: circuit going instruction just register

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Debian 13 "Trixie"

news.ycombinator.com Unknown 2025-08-09 23:18:45

Debian 13 trixie released August 9th, 2025 After 2 years, 1 month, and 30 days of development, the Debian project is proud to present its new stable version 13 (code name trixie ). trixie will be supported for the next 5 years thanks to the combined work of the Debian Security team and the Debian Long Term Support team. Debian 13 trixie ships with several desktop environments, such as: GNOME 48, KDE Plasma 6.3, LXDE 13, LXQt 2.1.0, Xfce 4.20 This release contains over 14,100 new packag

Topics: available debian packages release trixie

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A CT scanner reveals surprises inside the 386 processor's ceramic package

news.ycombinator.com Unknown 2025-08-09 22:17:07

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After the Mustang, Ford Is Teasing the Return of Another Beloved Car As an EV

gizmodo.com Luc Olinga 2025-08-09 22:03:50

Ford is promising a revolution. The company plans to make a big announcement on August 11 about its electric vehicle future, an event it is hyping as a “Model T moment.” In a blog post, Ford invoked the spirit of its most iconic creation, the car that “put the world on wheels” by making transportation “accessible to the masses.” The message is clear: Ford believes it is on the verge of launching a breakthrough EV that is both capable and, crucially, affordable. But what is it? A new clue, unco

Topics: company electric ev ford ranchero

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Terry Matalas Reveals New ‘Vision Quest’ Details

gizmodo.com Justin Carter 2025-08-09 22:40:08

At Saturday’s STLV convention, former Star Trek: Picard showrunner Terry Matalas revealed some Marvel-approved details about his upcoming series, Vision Quest. The sci-fi series reunites him with actors Todd Stashwick and Orla Brady, who respectively played Captain Shaw and Laris/Tallinn in Picard. According to Matalas, Brady will be playing F.R.I.D.A.Y.—Tony Stark’s AI assistant previously voiced in the films by Kerry Condon—and Stashwick is Paladin, a mercenary in Marvel Comics. When Stashwic

Topics: matalas quest stashwick trek vision

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Robin is Finally Getting Some Cinematic Love Again

gizmodo.com Justin Carter 2025-08-09 23:50:08

To the delight of DC fans online, The Batman Part II has now entered pre-production ahead of its start date in early 2026. Director Matt Reeves and co-writer Mattson Tomlin have been secretive about what to expect from their Bat-sequel, but there’ve been rumors flying for some time now, with the most recent being that it’ll be darker—because of course it’ll be, and probably likened to Empire Strikes Back at some point—and will feature Robin, Batman’s sidekick. If true, this will make for the th

Topics: batman robin ve wb young

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Elon Musk Turns His AI Chatbot Into a Male Fantasy Engine

gizmodo.com Luc Olinga 2025-08-10 00:15:24

Elon Musk has always been the biggest hype man for his own companies. Whether it’s Tesla, SpaceX, or X (formerly Twitter), the world’s richest man personally takes to social media to promote new features, products, and ideas. His AI venture, xAI, is no exception. Over the past week, Musk has been flooding X with posts promoting Grok Imagine, the new image-and-video-generation feature in SuperGrok, the most advanced version of xAI’s Grok chatbot. But the images Musk chooses to showcase say as mu

Topics: ai august grok imagine musk

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How to Watch Palermo vs. Man City From Anywhere: Stream Preseason Friendly Soccer

cnet.com See Full Bio 2025-08-09 22:30:03

Manchester City conclude their build up to the new Premier League season with a friendly match away against their Italian sister side Palermo on Saturday. Below, we'll outline the best live TV streaming services to watch this friendly match as it happens, wherever you are in the world. We'll also explain how to use a VPN if the match isn't available where you are, along with a full match list. City have had a truncated preseason thanks to their involvement in the FIFA Club World Cup early this

Topics: city match palermo streaming vpn

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Vitamin E: Health Benefits, Food Sources and What to Know Before Using Supplements

cnet.com See Full Bio 2025-08-09 22:32:00

You may have noticed vitamin E on the label of your favorite skin-care products. It's a nutrient that can help protect your skin from UV damage, making it a common ingredient for facial sunscreens. But vitamin E isn't just applied topically -- you also need to get it in your daily diet. Consuming enough vitamin E is crucial because it plays a key role in human development and functioning. The vitamin includes eight compounds, but only one of those -- alpha-tocopherol -- is used in the human body

Topics: daily disease like risk vitamin

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Today's Wordle Hints, Answer and Help for Aug. 10, #1513

cnet.com See Full Bio 2025-08-10 01:00:03

Gael Cooper CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.

Topics: 1989 author cooper gael journalist

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Today's NYT Connections Hints, Answers and Help for Aug. 10, #791

cnet.com See Full Bio 2025-08-10 01:00:05

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle features a fun blue category, especially for bookworms like me. That purple category, though -- no one does those random "look for a word inside of a word" categories like the Times. Read on for clues and today's Connections answers. The Tim

Topics: answers connections group hints today

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Today's NYT Strands Hints, Answers and Help for Aug. 10 #525

cnet.com See Full Bio 2025-08-10 01:00:07

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Just how old are the New York Times staffers writing today's NYT Strands puzzle? I swear, some of these words haven't been used in 50 years. So cast your mind back for some historical terms, and let's get at it. If you need hints and answers, read on. I go into depth about t

Topics: hints puzzle strands today words

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Hoto Snapbloq Tools Review: Attractive Power Tools

wired.com Henri Robbins 2025-08-08 18:00:00

Tools often have a utilitarian design. Their purpose is to get stuff done, so their shape is exclusively focused on getting stuff done. This is where the Hoto SnapBloq toolkit is unique: These tools emphasize style and design to prove that functionality doesn’t need to have a rugged, utilitarian, and (typically) unappealing style. Hoto’s SnapBloq line is a set of three small power tools meant for tinkerers and hobbyists. The full set consists of a screwdriver, a rotary tool, and a drill, along

Topics: screwdriver screws small tool tools

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3 Best Steam Mops, Tested for Months (2025)

wired.com Louryn Strampe 2025-08-09 18:32:00

This all-in-one cleaner from Tineco has lots of bells and whistles. It's easy to set up and easy to use, though I had to read the instructions a few times to make sure I understood all the different modes and options. Press the power button and it'll start up in Auto mode, which detects how dirty the floor is and automatically adjusts steam output as needed. Use Steam Mode to deep clean, and Boost mode for stubborn spots and stains. Using the companion smartphone app, which requires 2.4GHz Wi-Fi

Topics: clean cleaning dirty mode mop

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A Special Diamond Is the Key to a Fully Open Source Quantum Sensor

wired.com Lily Hay Newman 2025-08-09 23:40:47

Quantum computing is either a distant dream or an imminent reality depending on whom you ask. And while much of this year's Quantum Village at the Defcon security conference in Las Vegas is focused on emerging research and threat analysis, Village cofounders Victoria Kumaran and Mark Carney are also working to make a currently available quantum technology more accessible to hackers and anyone else. In a main-stage Defcon talk on Saturday, the pair will present an open source and affordable quan

Topics: affordable diamond kumaran quantum sensors

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Is This Seat Taken? makes seating fussy people fun

theverge.com Jay Peters 2025-08-09 18:00:00

Creating seating arrangements can be pretty stressful; the empath part of me strives to find the perfect seat for every person even if it’s a nearly impossible task. If it’s for a big, meaningful event, I get even more anxious. When you find the right place for everyone, though, it’s even more satisfying than a great jigsaw puzzle. Chasing that feeling is what Is This Seat Taken? is all about — and it does so in a low-stakes and relaxing way. In Is This Seat Taken?, your goal is to place people

Topics: ll make place seat taken

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Latest Tech News

Installing a mini-split AC in a Brooklyn apartment

Mexico to US livestock trade halted due to screwworm spread

Which colors are primary?

Isle FPGA Computer: creating a simple, open, modern computer

MCP overlooks hard-won lessons from distributed systems

ESP32 Bus Pirate 0.5 – A hardware hacking tool that speaks every protocol

An engineer's perspective on hiring

Testing Bitchat at the music festival

Did California's fast food minimum wage reduce employment?

How I use Tailscale

The Scroll Art (Animated ASCII) Museum

The current state of LLM-driven development

An AI-first program synthesis framework built around a new programming language

People returned to live in Pompeii's ruins, archaeologists say

A Simple CPU on the Game of Life (2021)

Debian 13 "Trixie"

A CT scanner reveals surprises inside the 386 processor's ceramic package

After the Mustang, Ford Is Teasing the Return of Another Beloved Car As an EV

Terry Matalas Reveals New ‘Vision Quest’ Details

Robin is Finally Getting Some Cinematic Love Again

Elon Musk Turns His AI Chatbot Into a Male Fantasy Engine

How to Watch Palermo vs. Man City From Anywhere: Stream Preseason Friendly Soccer

Vitamin E: Health Benefits, Food Sources and What to Know Before Using Supplements

Today's Wordle Hints, Answer and Help for Aug. 10, #1513

Today's NYT Connections Hints, Answers and Help for Aug. 10, #791

Today's NYT Strands Hints, Answers and Help for Aug. 10 #525

Hoto Snapbloq Tools Review: Attractive Power Tools

3 Best Steam Mops, Tested for Months (2025)

A Special Diamond Is the Key to a Fully Open Source Quantum Sensor

Is This Seat Taken? makes seating fussy people fun

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