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rerank-2.5 and rerank-2.5-lite: instruction-following rerankers

news.ycombinator.com Voyage Ai 2025-11-28 21:12:32

TL;DR – We are excited to introduce the rerank-2.5 series, which significantly improves upon rerank-2 ’s performance while also introducing instruction-following capabilities for the first time. On our standard suite of 93 retrieval datasets spanning multiple domains, rerank-2.5 and rerank-2.5-lite improve retrieval accuracy by 7.94% and 7.16% over Cohere Rerank v3.5. Furthermore, the new instruction-following feature allows users to steer the model’s output relevance scores using natural langua

Topics: following instruction lite rerank retrieval

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OCaml as my primary language

news.ycombinator.com Xvw 2025-11-30 16:05:05

I started using the OCaml language regularly around 2012, and since then, my interest and enthusiasm for this language have only grown. It has become my preferred choice for almost all my personal projects, and it has also influenced my professional choices. Since 2014, I have been actively participating in public conferences dedicated to programming and software development, where I often express my enthusiasm for OCaml in ways that may be a bit over the top (but always passionate). This has ea

Topics: language languages module ocaml type

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Nginx introduces native support for ACME protocol

news.ycombinator.com Prabhat Dixit 2025-11-30 12:41:55

We are very excited to announce the preview release of ACME support in NGINX. The implementation introduces a new module ngx_http_acme_module that provides built-in directives for requesting, installing, and renewing certificates directly from NGINX configuration. The ACME support leverages our NGINX-Rust SDK and is available as a Rust-based dynamic module for both NGINX Open Source users as well as enterprise NGINX One customers using NGINX Plus. NGINX’s native support for ACME brings a variet

Topics: acme certificate certificates challenges nginx

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DOGE Has Wasted Billions While Saving Only a Fraction of What It Claims: Reports

gizmodo.com Lucas Ropek 2025-11-30 17:15:21

The Trump Administration’s Department of Government Efficiency has been a project largely defined by ever-diminishing expectations. At the outset of DOGE’s journey, its chief operator, Elon Musk, famously claimed, in a bout of wild optimism, that he hoped to cut “at least” $2 trillion out of the federal budget. Not long after the election, Musk reduced his ambitions to $1 trillion. Throughout the first few months of Trump’s second term, DOGE claimed to be saving Americans billions, but analyses

Topics: billion doge government musk savings

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New Study Shows Smartwatch Stress Sensors Have No Idea What They're Doing

cnet.com See Full Bio 2025-11-30 16:53:28

You might want to think twice before you put a lot of stock in the latest stress charts from your fitness wearable. A recent study from the Netherlands' Leiden University, published in the Journal of Psychopathology and Clinical Science, has found that when smartwatches and similar devices record readings on stress, fatigue or sleep, they're frequently getting it wrong. Researchers studied 800 young adults using the same Garmin Vivosmart 4 smartwatch model. They compared the data the smartwatch

Topics: garmin like readings stress study

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Another Pixel 10 leak points to wireless Qi2 charging

theverge.com Emma Roth 2025-11-30 17:32:07

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. We’re just one week away from Google’s Pixel 10 launch event, but the steady stream of leaks shows no sign of stopping. Now, new leaked images shared by Dutch outlet NieuweMobiel show what looks like Google’s rumored “Pixelsnap” cases with a ring in the center,

Topics: 10 charging magnetic pixel qi2

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Google will help you pester your friends into turning location sharing on (APK teardown)

androidauthority.com Unknown 2025-11-30 21:52:53

TL;DR Google’s Find Hub combines resources for tracking devices and sharing location with friends and family. Users need to positively consent first before their location is shared with anyone. The app is working to build an easy way for you to request your friends grant that access. Smartphones are picking up new features and abilities all the time, and while some of those are pushed out to us enabled by default, others are going to require us to make the intentional choice to opt in. And wh

Topics: google hub like location sharing

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Not happy with iPhone 16e? Here are five great iPhone deals for those on a budget

9to5mac.com Michael Burkhardt 2025-11-30 22:02:27

If you’re trying to buy a new iPhone, it can often be hard to find something on a tighter budget. Sure, Apple offers the iPhone 16e at $599 – but not everyone finds that to be a compelling phone. Luckily, there’s plenty of great options if you want to buy used, and I’ll be delving into five great picks for varying needs. #1 – iPhone 15 Pro If you’re after higher end features like a ProMotion display, Apple Intelligence, and a telephoto lens – the iPhone 15 Pro is hands down the best overall pi

Topics: 128gb 15 iphone ll making

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I chose OCaml as my primary language

news.ycombinator.com Xvw 2025-11-30 22:05:05

I started using the OCaml language regularly around 2012, and since then, my interest and enthusiasm for this language have only grown. It has become my preferred choice for almost all my personal projects, and it has also influenced my professional choices. Since 2014, I have been actively participating in public conferences dedicated to programming and software development, where I often express my enthusiasm for OCaml in ways that may be a bit over the top (but always passionate). This has ea

Topics: language languages module ocaml type

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Monarch Butterflies Are Losing Their Navigational Abilities. You Can Guess Why

gizmodo.com Ellyn Lapointe 2025-11-30 22:00:43

Each fall, millions of eastern North American monarch butterflies migrate up to 3,000 miles south to the mountains of central Mexico, then return to their northern range in the spring. These winged insects rely on a complex navigation system to go to and from their overwintering sites, and new research suggests climate change may be messing with it. Monarch butterflies have two distinct biological “compasses.” The primary one infers direction based on their circadian rhythm and the position of

Topics: compass magnetic monarchs north overwintering

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Mesmerizing Hypnoloid, a Kinetic Desktop Sculpture

news.ycombinator.com Unknown 2025-11-27 08:20:00

This Hypnoloid object is sort of the opposite of a spinning top. Whereas a top contacts the surface it's balancing on only at its point, the Hypnoloid contacts the surface with every square millimeter of its surface area. The shape is called an oloid, and it's a bit difficult to understand. The 20th-century German sculptor, inventor and mathematician Paul Schatz, who discovered it, describes it thusly: "If the distance of two centers of disk is equal to the radius, then the convex hull produce

Topics: balancing contacts hypnoloid oloid surface

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U.S. alcohol consumption drops to a 90-year low, new poll finds

news.ycombinator.com Jess Lander 2025-12-01 03:20:39

A new Gallup report reveals that only 54% of American adults reporting drinking alcohol in 2025. Lea Suzuki/S.F. Chronicle The percentage of Americans who report drinking alcohol has hit a nearly 90-year low, according to a recent Gallup poll. The results of Gallup’s annual Consumption Habits survey, released Wednesday, revealed that only 54% of U.S. adults reported drinking alcohol in 2025. This figure represents a three-year decline from 67% in 2022, and falls below the previous record low o

Topics: alcohol consumption drinking gallup health

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A case study in bad hiring practice and how to fix it

news.ycombinator.com Thomas Kranz 2025-12-01 02:42:13

None of this - none of it at all - is remotely relevant to the actual day-to-day job of a Head of Security Operations. Again, these are questions that cannot be answered appropriately in character-capped text fields. But beyond that, these are questions that should not - ever - be used to screen applicants. Applicants for a role where these requirements are not even remotely relevant. How Their Interview Process Works Having waded through this nonsense, your application finally gets sent. As w

Topics: application company hiring process reviews

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Tesla Is Making a Move in New York City That Regulators Absolutely Hate

gizmodo.com Riley Gutiérrez Mcdermid 2025-12-01 03:00:47

Tesla is coming in hot in New York City and regulators, legislators and consumers are already pushing back. The electric car company’s latest foray into regulator wrestling comes via a hiring push for autopilot drivers in NYC, despite holding no permits for that service in the city. Given that Tesla has already spent years fighting federal probes, civil and criminal lawsuits and a host of scrutiny from everyone from the SEC to local politicians, its new push appears to be a further continuation

Topics: autonomous company drivers driving tesla

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Best Sleep Headphones of 2025: Enjoy Quality Rest With These Expert-Approved Options

cnet.com See Full Bio 2025-12-01 02:39:00

Cole Kan/CNET I've always been a light sleeper -- even the slightest sounds wake me up, no matter how tired I am. As a CNET sleep team member, I've tested more bedtime products than I can count in the name of figuring out what truly works. From white noise machines to sleep supplements to headbands that alter your brainwaves, the options can seem endless. David Carnoy, CNET executive editor and resident headphone expert, has tested hundreds of different types of headphones over the last decade

Topics: earbuds headphones noise sleep sleeping

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Top 100 Channels on Live TV Streaming Services: A Look at YouTube TV, Hulu Live and More

cnet.com See Full Bio 2025-12-01 02:43:00

Want to switch from being a cable customer to a cord-cutter? It doesn't need to be a stressful process, but a little research is needed. As TV costs increase, there are plenty of alternatives you can consider, like live TV streaming services or skinny bundles. Cord-free live services come with perks like a broad mix of channels, DVR and no long-term commitments. You can stream sports and more, and these services offer wider channel options than antennas but also let you watch on your laptop or p

Topics: channel channels sling tv yes

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8 Hiking Gadgets to Make Your Next Trek Safer, Smoother and More Fun

cnet.com See Full Bio 2025-12-01 02:50:00

I'm lucky to call the high desert home -- a place where warm days practically demand we head out to explore the lakes, rivers and mountains in every direction, ideally before the crowds catch on. And when I'm gearing up for a hike, there's a handful of tech I always toss in my pack. If you've got a hiking or camping trip on the calendar, check out the gadgets and essentials I swear by. They can turn a quick afternoon trek or a full weekend adventure into something smoother, safer and more fun.

Topics: collapsible gps hiking like pack

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Bat colony checks in to hotel; 200 guests check out, unaware of rabies scare

arstechnica.com Unknown 2025-12-01 02:35:15

Health officials in Wyoming are sinking their teeth into a meaty task. Over 200 people who stayed in a hotel in Grand Teton National Park between May and July may have unknowingly been exposed to rabies, according to Wyoming Public Radio. In an announcement on Friday, the National Park Service reported finding evidence of a bat colony in the attic. The discovery was made after there had been at least eight incidents in which guests encountered winged mammals inside the hotel. Now, the Wyoming

Topics: bat bats hotel people wyoming

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The NYSE sped up its realtime streaming data 5X with Redpanda

venturebeat.com Sean Michael Kerner 2025-12-01 04:00:00

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Real-time streaming data can be valuable for numerous applications and purposes across industries. In the case of the New York Stock Exchange (NYSE), streaming data is literally money. The NYSE is one of the largest financial exchanges in the world and has a lengthy history of being able to share its financial market data. A hundred years

Topics: ai data nyse redpanda streaming

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Gemini will remember more (or less) of what you say

engadget.com Unknown 2025-12-01 08:00:12

Google is adding a temporary chat feature to Gemini. The equivalent of a browser's incognito mode, it lets you have one-off AI chats. They won't appear in your history, influence future chats or be used for training. The temporary chats will be saved for up to 72 hours. Google says this is to give you time to revisit the chat or provide feedback. The feature begins rolling out today and will continue to do so over the coming weeks. It arrives alongside a new setting that does, well, pretty muc

Topics: change chats gemini google settings

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Nginx Introduces Native Support for Acme Protocol

news.ycombinator.com Prabhat Dixit 2025-12-01 06:41:55

We are very excited to announce the preview release of ACME support in NGINX. The implementation introduces a new module ngx_http_acme_module that provides built-in directives for requesting, installing, and renewing certificates directly from NGINX configuration. The ACME support leverages our NGINX-Rust SDK and is available as a Rust-based dynamic module for both NGINX Open Source users as well as enterprise NGINX One customers using NGINX Plus. NGINX’s native support for ACME brings a variet

Topics: acme certificate certificates challenges nginx

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iPhone 17 Pro Will Reportedly Get Higher Price Tag, But Also More Storage

cnet.com See Full Bio 2025-12-01 06:59:42

The price of an iPhone Pro has been $999 since 2019, but a new leak appears to corroborate what has been rumored before -- that the price is going up. The iPhone 17 Pro, set to launch in September, reportedly will be priced $50 more at $1,050 in the US before taxes, according to Chinese leaker Instant Digital. The model will also reportedly get a storage boost from the Pro's usual 128GB to 256GB. For context, if you were to bump up to 256GB on the iPhone 16 Pro, that would cost you $100 and bri

Topics: 17 according iphone price pro

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How to Wash a Heated Blanket Safely

cnet.com See Full Bio 2025-12-01 08:08:00

Crawling into a warm bed after a long, hard day is hard to beat, but it isn't always a given. As we work our way towards the fall, you're probably already looking forward to getting your electric heated blanket out of the closet. And if you don't already own one, now is the time to start shopping for one. But like other blankets, they do need some upkeep -- and things get more complicated when there is electricity involved. One obvious question has probably already sprung to mind. Whether you'r

Topics: blanket heated instructions wash washing

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Google’s Gemini AI will get more personalized by remembering details automatically

theverge.com Emma Roth 2025-12-01 08:00:00

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. Google is rolling out an update for Gemini that will allow the AI chatbot to “remember” your past conversations without prompting. With the setting turned on, Gemini will automatically recall your “key details and preferences” and use them to personalize its out

Topics: activity chats gemini google setting

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Humanoid Robots Are Beating Each Other to Pulp in an Underground Fight Club

futurism.com Unknown 2025-12-01 11:43:02

In a tucked-away San Francisco warehouse, four humanoid robots hang out — quite literally, from standalone frames — as they wait for their flesh-and-blood overlords to train them to kill. As reporter and writer Ashlee Vance writes on his Substack Core Memory, this entirely robotic fight club is known as REK, and is operated by virtual reality entrepreneur and fighting robot enthusiast Cix Liv. With one big robot battle win under his belt from San Francisco's Ultimate Fighting Bots (UFB) league

Topics: fighting liv robot robots vance

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Here’s how Google Find Hub satellite location sharing is going to work (APK teardown)

androidauthority.com Unknown 2025-12-01 17:26:52

TL;DR Google announced back in May that the newly renamed Find Hub would be adding support for satellite-based location sharing. That’s still not here yet, but a recent app update reveals text strings that hint at how things will work. Users will be able to share their location once every 15 minutes, with a daily limit on maximum shares. Satellite support is changing the rules of the game when it comes to mobile connectivity, and we are still right now only in the early days of its evolution.

Topics: location satellite string support update

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OpenAI brings GPT-4o back as a default for all paying ChatGPT users, Altman promises ‘plenty of notice’ if it leaves again

venturebeat.com Carl Franzen 2025-12-01 09:11:16

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now OpenAI is once again making GPT-4o — the large language model (LLM) that powered ChatGPT before last week’s launch of GPT-5 — a default option for all paying users, that is, those who subscribe to the ChatGPT Plus ($20 per month), Pro ($200 per month), Team ($30 per month), Enterprise, or Edu tiers, no longer requiring users to toggle on a

Topics: chatgpt gpt models thinking users

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Android phone feeling slow? I changed these 4 settings to revitalize the whole system

zdnet.com Prakhar Khanna 2025-12-01 22:59:00

Kerry Wan/ZDNET As a person who covers consumer tech for a living, I get to use a few dozen smartphones every year. While I almost always advise on which is the new best smartphone, the majority of consumers don't upgrade every year. I have friends and family who tell me they don't want to upgrade and ask, "How can I make my current phone faster?" I finally have an answer. Also: I test dozens of Android phones every year: Here's how Google, Samsung, and more stack up I don't get to use review

Topics: android apps make phone settings

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Myths About Floating-Point Numbers (2021)

news.ycombinator.com Unknown 2025-11-27 11:22:37

Floating-point numbers are a great invention in computer science, but they can also be tricky and troublesome to use correctly. I’ve written about them already by publishing Floating-Point Formats Cheatsheet and presentation “Pitfalls of floating-point numbers” (“Pułapki liczb zmiennoprzecinkowych” – the slides are in Polish). Last year I was preparing for a more extensive talk about this topic, but it got cancelled, like pretty much everything in these hard times of the COVID-19 pandemic. So in

Topics: different floating numbers point use

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Evaluating GPT5's reasoning ability using the Only Connect game show

news.ycombinator.com Alberto Manzi 2025-11-30 17:52:51

Given the proliferation of reasoning models, we wanted to go beyond knowledge-based benchmarks to test reasoning abilities such as pattern recognition, lateral thinking, abstraction, contextual reasoning (accounting for British cultural references), and multi-step inference. In addition to reasoning, we aimed to assess how effectively models make decisions when presented with judgment calls—such as choosing between making an educated guess based on available clues or calling a function to retri

Topics: clues gpt models players reasoning

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Latest Tech News

rerank-2.5 and rerank-2.5-lite: instruction-following rerankers

OCaml as my primary language

Nginx introduces native support for ACME protocol

DOGE Has Wasted Billions While Saving Only a Fraction of What It Claims: Reports

New Study Shows Smartwatch Stress Sensors Have No Idea What They're Doing

Another Pixel 10 leak points to wireless Qi2 charging

Google will help you pester your friends into turning location sharing on (APK teardown)

Not happy with iPhone 16e? Here are five great iPhone deals for those on a budget

I chose OCaml as my primary language

Monarch Butterflies Are Losing Their Navigational Abilities. You Can Guess Why

Mesmerizing Hypnoloid, a Kinetic Desktop Sculpture

U.S. alcohol consumption drops to a 90-year low, new poll finds

A case study in bad hiring practice and how to fix it

Tesla Is Making a Move in New York City That Regulators Absolutely Hate

Best Sleep Headphones of 2025: Enjoy Quality Rest With These Expert-Approved Options

Top 100 Channels on Live TV Streaming Services: A Look at YouTube TV, Hulu Live and More

8 Hiking Gadgets to Make Your Next Trek Safer, Smoother and More Fun

Bat colony checks in to hotel; 200 guests check out, unaware of rabies scare

The NYSE sped up its realtime streaming data 5X with Redpanda

Gemini will remember more (or less) of what you say

Nginx Introduces Native Support for Acme Protocol

iPhone 17 Pro Will Reportedly Get Higher Price Tag, But Also More Storage

How to Wash a Heated Blanket Safely

Google’s Gemini AI will get more personalized by remembering details automatically

Humanoid Robots Are Beating Each Other to Pulp in an Underground Fight Club

Here’s how Google Find Hub satellite location sharing is going to work (APK teardown)

OpenAI brings GPT-4o back as a default for all paying ChatGPT users, Altman promises ‘plenty of notice’ if it leaves again

Android phone feeling slow? I changed these 4 settings to revitalize the whole system

Myths About Floating-Point Numbers (2021)

Evaluating GPT5's reasoning ability using the Only Connect game show

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