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Show HN: Linux CLI tool to provide mutex locks for long running bash ops

news.ycombinator.com Unknown 2026-01-17 14:58:40

WaitLock WaitLock is a portable UNIX/POSIX command-line tool that provides mutex and semaphore functionality for shell scripts. It enables synchronized access to resources across multiple processes with automatic cleanup when processes die. Features Mutex Mode : Single lock holder (default) : Single lock holder (default) Semaphore Mode : Multiple concurrent lock holders : Multiple concurrent lock holders Automatic Cleanup : Locks released when process dies : Locks released when process die

Topics: list lock locks syslog waitlock

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Wttr: Console-oriented weather forecast service

news.ycombinator.com Unknown 2026-01-17 16:05:19

wttr.in — the right way to check curl the weather! wttr.in is a console-oriented weather forecast service that supports various information representation methods like terminal-oriented ANSI-sequences for console HTTP clients (curl, httpie, or wget), HTML for web browsers, or PNG for graphical viewers. Originally started as a small project, a wrapper for wego, intended to demonstrate the power of the console-oriented services, wttr.in became a popular weather reporting service, handling tens o

Topics: curl format location weather wttr

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Show HN: 0xDEAD//TYPE – A fast-paced typing shooter with retro vibes

news.ycombinator.com Unknown 2026-01-13 16:52:13

0xDEAD//TYPE Press the matching keys to destroy the blocks! Use W/S or Up/Down to move. Hit Spacebar for temporary invincibility Keep an eye out for the special ‘0’ block! Click anywhere to enable sound in the browser.

Topics: 0xdead block blocks browser click

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Show HN: 0xDEAD//Type – A Fast-Paced Typing Shooter with Retro Vibes

news.ycombinator.com Unknown 2026-01-13 22:52:13

0xDEAD//TYPE Press the matching keys to destroy the blocks! Use W/S or Up/Down to move. Hit Spacebar for temporary invincibility Keep an eye out for the special ‘0’ block! Click anywhere to enable sound in the browser.

Topics: 0xdead block blocks browser click

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I tested 30 smart locks, and these are the best

theverge.com Jennifer Pattison Tuohy 2026-01-18 15:15:00

is The Verge’s Smart Home reviewer. She has been testing connected home gadgets since 2013, having previously written for Wirecutter, Wired, Dwell, BBC, and US News. A smart lock is an easy solution to some common problems. Locked yourself out? Need to let a friend in to water the plants? Your latchkey kid lost their key? Hands are full, and it’s raining cats and dogs? A smart lock solves all of these problems and more. One of the best smart home upgrades you can make, a smart lock gives you r

Topics: door home lock matter smart

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This new, improved Nextdoor might be just the social app we need right now

zdnet.com Artie Beaty 2026-01-19 00:14:11

Nextdoor The app notorious for serving as a bulletin board for neighborhood tattletales is getting an AI-centered redesign, and it's bringing some pretty useful features. In a post this week, Nextdoor announced its biggest app redesign ever. At the core of the new app, Nextdoor says, are three components: Alerts, News, and Faves. Also: 5 reasons why I still prefer Perplexity over every other AI chatbot Real-time safety alerts: "Neighbors have long turned to Nextdoor in moments of crisis,

Topics: ai app like local nextdoor

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NIST ion clock sets new record for most accurate clock

news.ycombinator.com Unknown 2026-01-20 11:56:47

(From left to right) Mason Marshall, David Hume, Willa Arthur-Dworschack and Daniel Rodriguez Castillo stand in front of the aluminum ion clock at NIST. With its recent improvements, the clock can pave the way for the campaign to redefine the second as well as explore new ideas in physics. Credit: R. Jacobson/NIST There’s a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based o

Topics: aluminum clock ion ions nist

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I tested a palm recognition lock that doubles as a video doorbell - and it's stylish and smart

zdnet.com Maria Diaz 2026-01-21 05:43:31

ZDNET's key takeaways The Eufy FamiLock S3 Max is a new video smart lock available for $400. This smart lock also features a camera and doorbell button, and an indoor screen shows you who is at the door. I just wish the FamiLock S3 Max could unlock with human recognition using the Eufy HomeBase BionicMind, and the smart lock isn't convenient for some users, like those with a screen or storm door. $399.99 at Amazon That viral phrase, 'I don't have a favorite kid, but there is one we try really

Topics: door eufy familock lock smart

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Nextdoor's Big Redesign Packages AI Advice Alongside Human Conversations

cnet.com See Full Bio 2026-01-21 14:47:21

Nextdoor, the social media app for your neighborhood and local events, has launched a new redesign. The company says the changes are to "meet the evolving needs of neighbors everywhere" as the shift toward remote and hybrid work has resulted in people spending more time in their local communities. The redesign focuses on three core features that will help you navigate the goings-on of your neighborhood: Alerts, News and Faves. Here's how each of these features works, and how the service is inco

Topics: app feature local news nextdoor

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Forget passwords often? Android may soon let you disable Failed Authentication Lock (APK teardown)

androidauthority.com Unknown 2026-01-21 20:09:36

Mishaal Rahman / Android Authority TL;DR Android 15 and newer devices include a Failed Authentication Lock feature that locks the device screen after detecting multiple failed login attempts in apps or settings. Unlike other theft protection features, this feature is enabled by default on all devices, and there’s currently no way for users to turn it off. Google may soon add a new option to the theft protection settings that will allow users to turn off Failed Authentication Lock. In additio

Topics: android authentication failed features lock

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Ask HN: What's Your Useful Local LLM Stack?

news.ycombinator.com Unknown 2026-01-21 23:17:16

What I’m asking HN: What does your actually useful local LLM stack look like? I’m looking for something that provides you with real value — not just a sexy demo. --- After a recent internet outage, I realized I need a local LLM setup as a backup — not just for experimentation and fun. My daily (remote) LLM stack: - Claude Max ($100/mo): My go-to for pair programming. Heavy user of both the Claude web and desktop clients. - Windsurf Pro ($15/mo): Love the multi-line autocomplete and how it

Topics: autocomplete claude llm local stack

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NIST Ion Clock Sets New Record for Most Accurate Clock in the World

news.ycombinator.com Unknown 2026-01-21 23:56:47

(From left to right) Mason Marshall, David Hume, Willa Arthur-Dworschack and Daniel Rodriguez Castillo stand in front of the aluminum ion clock at NIST. With its recent improvements, the clock can pave the way for the campaign to redefine the second as well as explore new ideas in physics. Credit: R. Jacobson/NIST There’s a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based o

Topics: aluminum clock ion ions nist

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Cloudflare Starts Blocking Pirate Sites for UK Users

news.ycombinator.com Unknown 2026-01-22 10:33:55

Cloudflare has become the first internet intermediary beyond local residential ISPs, to block access to pirate sites in the UK. Users attempting to access certain pirate sites are greeted with 'Error 451 - Unavailable for Legal Reasons'. In theory, ISP blocking should prevent UK users from even seeing this notice, but a combination of Cloudflare's blocking mechanism and choices made by some VPN users results in a piracy dead end. Internet service providers BT, Virgin Media, Sky, TalkTalk, EE, a

Topics: blocking cloudflare domains order uk

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Interlock ransomware adopts new FileFix attack to push malware

bleepingcomputer.com Unknown 2026-01-21 16:36:30

Hackers have adopted the new technique called 'FileFix' in Interlock ransomware attacks to drop a remote access trojan (RAT) on targeted systems. Interlock ransomware operations have increased over the past months as the threat actor started using the KongTuke web injector (aka 'LandUpdate808') to deliver payloads through compromised websites. This shift in modus operandi was observed by researchers at The DFIR Report and Proofpoint since May. Back then, visitors of compromised sites were prom

Topics: attack file filefix interlock rat

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Nextdoor redesigns app with AI recommendations, local news, and real-time emergency alerts

techcrunch.com Aisha Malik 2026-01-23 04:00:00

Neighborhood social app Nextdoor is launching a redesigned version of its service that it’s calling the “new Nextdoor.” The app is adding local news, real-time alerts, and an AI-powered feature called “Faves” that’s designed for discovering local businesses and spots. Nextdoor has also updated its overall design to look more contemporary. Launched 15 years ago, Nextdoor has long served as a popular platform for neighborhood conversations, helping users connect over things like recommendations f

Topics: alerts local nextdoor platform tolia

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Block leads rebound in fintech stocks as analysts downplay JPMorgan data fee risk

cnbc.com Mackenzie Sigalos 2026-01-23 10:10:03

Twitter CEO Jack Dorsey testifies during a remote video hearing held by subcommittees of the U.S. House of Representatives Energy and Commerce Committee on "Social Media's Role in Promoting Extremism and Misinformation" in Washington, U.S., March 25, 2021. Block jumped more than 5% on Monday, leading a rally in shares of fintech companies as analysts downplayed the threat of JPMorgan Chase's reported plan to charge data aggregators for access to customer financial information. The recovery fol

Topics: aggregators analysts block fintech monday

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Interlock ransomware adopts FileFix method to deliver malware

bleepingcomputer.com Unknown 2026-01-24 10:36:30

Hackers have adopted the new technique called 'FileFix' in Interlock ransomware attacks to drop a remote access trojan (RAT) on targeted systems. Interlock ransomware operations have increased over the past months as the threat actor started using the KongTuke web injector (aka 'LandUpdate808') to deliver payloads through compromised websites. This shift in modus operandi was observed by researchers at The DFIR Report and Proofpoint since May. Back then, visitors of compromised sites were prom

Topics: attack file filefix interlock rat

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Evidence Grows That Tripping on Shrooms Might Increase Your Lifespan

futurism.com Unknown 2026-01-23 18:03:03

Image by JASON CONNOLLY/AFP via Getty Images Studies In a new study, scientists have uncovered evidence that magic mushrooms just might be an effective anti-aging treatment. Published in the Nature Partnering Journal Aging, a new paper by researchers at Emory and Baylor's medical schools suggests that psilocybin, the active compound in psychedelic mushrooms — there are a range of species that produce it, but the best known is probably Pisolocybe cubensis — might extend the lifespans of both mi

Topics: aging mice psilocybin psychedelic study

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I've tested dozens of smart locks, but I keep this one for its handy keycard feature

zdnet.com Maria Diaz 2026-01-24 20:05:28

ZDNET's key takeaways The Aqara U100 smart lock was originally priced at $230, but it is currently discounted to $135. This smart lock is the most versatile I've tested; it offers a variety of unlocking options, a user-friendly app, and easy integration with Apple Home. The Aqara U100 drains the battery quickly, and the app doesn't always alert users, resulting in reduced performance within four months of use. $189.99 at Amazon $179.99 at Best Buy more buying choices The Aqara U100 Smart Lock

Topics: app aqara lock smart u100

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Android’s lock screen widgets are getting a slick new background blur effect

androidauthority.com Unknown 2026-01-25 00:24:47

C. Scott Brown / Android Authority TL;DR A future Android update will give the lock screen widget page a blurred wallpaper background, aligning it with the Material 3 Expressive design language. This visual change, which replaces the current opaque colored background, was spotted in the new Android Canary build, making the UI more consistent. Although lock screen widgets are currently exclusive to tablets, Google has confirmed they will be coming to phones in the Android 16 QPR1 release. Mat

Topics: android beta lock qpr1 screen

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C3 solved memory lifetimes with scopes

news.ycombinator.com Unknown 2026-01-23 03:27:42

2025-07-11 Modern languages offer a variety of techniques to help with dynamic memory management, each one a different tradeoff in terms of performance, control and complexity. In this post we’ll look at an old idea, memory allocation regions or arenas, implemented via the C3 Temp allocator, which is the new default for C3. The Temp allocator combines the ease of use of garbage collection with C3’s unique features to give a simple and (semi)-automated solution within a manual memory management

Topics: allocator input int memory temp

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OpenCut: The open-source CapCut alternative

news.ycombinator.com Unknown 2026-01-25 21:08:47

OpenCut (prev AppCut) A free, open-source video editor for web, desktop, and mobile. Privacy : Your videos stay on your device : Your videos stay on your device Free features : Every basic feature of CapCut is paywalled now : Every basic feature of CapCut is paywalled now Simple: People want editors that are easy to use - CapCut proved that Features Timeline-based editing Multi-track support Real-time preview No watermarks or subscriptions Analytics provided by Databuddy, 100% Anonymize

Topics: bun development env local web

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A Company Tried to Put Real Estate on the Blockchain and Now It's Facing a Legal Disaster

futurism.com Unknown 2026-01-25 20:00:45

Detroit is a city that's used to fighting. Once the third most populous city in the country, its citizens have long struggled against robber barons, anti-communist witch hunts, private sector looting, and racist housing laws. It hasn't had it easy, to say the least. Now, Outlier reports, the city is doing battle against a $93 million crypto real estate scheme. The city recently announced a massive lawsuit filed against RealToken, a cryptocurrency business that's snapping up hundreds of subsidi

Topics: blockchain city detroit property realtoken

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Scientists Say Earth May Be Trapped Inside a Huge, Strange Void

futurism.com Unknown 2026-01-25 10:45:03

Astronomers who examined the sound waves from the Big Bang say that the Earth — and the entire Milky Way galaxy we call home — could be trapped in a huge void billions of light years across. Their study, which was just presented at the Royal Astronomical Society's National Astronomy Meeting in the UK, could solve one of cosmology's greatest mysteries: the Hubble tension, or why the older universe appears to be expanding more slowly than younger regions. "The Hubble tension is largely a local p

Topics: banik light local universe void

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Google is working to bring album art to Now Playing on your Pixel’s lock screen (APK teardown)

androidauthority.com Unknown 2026-01-26 05:09:51

Ryan Haines / Android Authority TL;DR Now Playing detects songs your phone hears in its vicinity and can identify them on your lock screen. Tapping on the detected song name currently takes you to your Now Playing history. Google is working on a new interface where that tap would instead display album art on the lock screen. Sometimes, when it rains, it pours. As we analyze Android app updates for evidence of in-development changes, it can really feel like it’s dealer’s (or should we say, de

Topics: android google lock playing screen

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The Spell Is Still Working: Lee Pace Has Joined ‘Practical Magic 2’

gizmodo.com Cheryl Eddy 2026-01-26 10:45:00

Practical Magic 2 is already sky-high on our list of most-anticipated 2026 releases. The 1998 original follows the romantic misadventures of the witchy Owens sisters, played by Sandra Bullock and Nicole Kidman—and has since become a Halloween-adjacent cult classic. It maybe didn’t need a sequel, but Hollywood knows that fans have long wanted one. And now we know more of the names joining Bullock and Kidman this time around. First things first: bringing back Stockard Channing and Dianne Wiest—th

Topics: bullock kidman magic practical sequel

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The day someone created 184 billion Bitcoin (2020)

news.ycombinator.com Decrypt 2026-01-28 03:51:51

In brief In August 2010, someone exploited a flaw in Bitcoin’s code to create 184 billion Bitcoin. The bug was quickly corrected by Bitcoin’s anonymous creator, Satoshi Nakamoto. The person behind the "value overflow incident" exploit remains unknown. Decrypt’s Art, Fashion, and Entertainment Hub. Discover SCENE There will only ever be 21 million Bitcoin. We’re not too far off—around 18 and a half million Bitcoin are already in circulation. But on the 15th of August, 2010, that limit was des

Topics: 184 billion bitcoin blockchain bug

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Btrfs Allocator Hints

news.ycombinator.com Unknown 2026-01-26 08:17:26

[PATCH RFC 00/10] btrfs: new performance-based chunk allocation using device roles From: Anand Jain <anand.jain-AT-oracle.com> To: linux-btrfs-AT-vger.kernel.org Subject: [PATCH RFC 00/10] btrfs: new performance-based chunk allocation using device roles Date: Tue, 13 May 2025 02:07:06 +0800 Message-ID: <[email protected]> In host hardware, devices can have different speeds. Generally, faster devices come with lesser capacity while slower devices come with larger capaci

Topics: allocation btrfs device devices roles

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What’s that song? Android Canary introduces Now Playing lock screen shortcut

androidauthority.com Unknown 2026-01-29 00:21:18

Joe Maring / Android Authority TL;DR Android lets users set up a pair of lock screen shortcuts for quick access to system tools. Today’s inaugural Android Canary release adds a new “Now Playing” shortcut to your available options. Locking your smartphone is an important step that practically everyone should take, helping to protect your device and keep your private information secure. And while the lock screen serves a critical role, it also makes getting access to anything on our phone that

Topics: android canary google lock screen

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Postgres LISTEN/NOTIFY does not scale

news.ycombinator.com Unknown 2026-01-25 08:05:06

At Recall.ai, we run an unusual workload. We record millions of hours of meetings every month. Each of these meetings generates a large amount of data we need to reliably capture and analyze. Some of that data is video, some of it is audio and some of it is structured data – transcription, events and metadata. The structured data gets written to our Postgres database by tens of thousands of simultaneous writers. Each of these writers is a “meeting bot”, which joins a video call and captures the

Topics: 03 database lock notify postgres

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Latest Tech News

Show HN: Linux CLI tool to provide mutex locks for long running bash ops

Wttr: Console-oriented weather forecast service

Show HN: 0xDEAD//TYPE – A fast-paced typing shooter with retro vibes

Show HN: 0xDEAD//Type – A Fast-Paced Typing Shooter with Retro Vibes

I tested 30 smart locks, and these are the best

This new, improved Nextdoor might be just the social app we need right now

NIST ion clock sets new record for most accurate clock

I tested a palm recognition lock that doubles as a video doorbell - and it's stylish and smart

Nextdoor's Big Redesign Packages AI Advice Alongside Human Conversations

Forget passwords often? Android may soon let you disable Failed Authentication Lock (APK teardown)

Ask HN: What's Your Useful Local LLM Stack?

NIST Ion Clock Sets New Record for Most Accurate Clock in the World

Cloudflare Starts Blocking Pirate Sites for UK Users

Interlock ransomware adopts new FileFix attack to push malware

Nextdoor redesigns app with AI recommendations, local news, and real-time emergency alerts

Block leads rebound in fintech stocks as analysts downplay JPMorgan data fee risk

Interlock ransomware adopts FileFix method to deliver malware

Evidence Grows That Tripping on Shrooms Might Increase Your Lifespan

I've tested dozens of smart locks, but I keep this one for its handy keycard feature

Android’s lock screen widgets are getting a slick new background blur effect

C3 solved memory lifetimes with scopes

OpenCut: The open-source CapCut alternative

A Company Tried to Put Real Estate on the Blockchain and Now It's Facing a Legal Disaster

Scientists Say Earth May Be Trapped Inside a Huge, Strange Void

Google is working to bring album art to Now Playing on your Pixel’s lock screen (APK teardown)

The Spell Is Still Working: Lee Pace Has Joined ‘Practical Magic 2’

The day someone created 184 billion Bitcoin (2020)

Btrfs Allocator Hints

What’s that song? Android Canary introduces Now Playing lock screen shortcut

Postgres LISTEN/NOTIFY does not scale

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