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Learning Lens Blur Fields

news.ycombinator.com Unknown 2025-09-21 07:21:27

Lens blur field shown in step 2 is from the dual pixels of a Pixel 4a. Abstract Optical blur is an inherent property of any lens system and is challenging to model in modern cameras because of their complex optical elements. To tackle this challenge, we introduce a high‑dimensional neural representation of blur—the lens blur field—and a practical method for acquisition. The lens blur field is a multilayer perceptron (MLP) designed to (1) accurately capture variations of the lens 2‑D point sprea

Topics: blur field fields lens specific

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Protobuffers Are Wrong (2018)

news.ycombinator.com Unknown 2025-10-07 02:25:10

I’ve spent a good deal of my professional life arguing against using protobuffers. They’re clearly written by amateurs, unbelievably ad-hoc, mired in gotchas, tricky to compile, and solve a problem that nobody but Google really has. If these problems of protobuffers remained quarantined in serialization abstractions, my complaints would end there. But unfortunately, the bad design of protobuffers is so persuasive that these problems manage to leak their way into your code as well. Ad-Hoc and Bu

Topics: data fields foo protobuffers types

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Spotlight on AI at TechCrunch Disrupt: Don’t miss these sessions backed by JetBrains and Greenfield

techcrunch.com Cindy Zackney 2025-10-17 20:05:00

TechCrunch Disrupt isn’t just about showcasing the startups of tomorrow — it’s also about surfacing the boldest ideas shaping technology today. Thanks to the support of our partners JetBrains and Greenfield, the TechCrunch Disrupt 2025 program, happening October 27–29 at San Francisco’s Moscone West, brings two must-see sessions that put AI front and center. Monday, October 27 — Builders Stage 1:40 p.m. – 2:10 p.m. PT Who’s Defining AI’s Future in 2025? The AI Disruptors 60 Unveiled Presente

Topics: ai disrupt greenfield jetbrains partners

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Battlefield 6 PC Specs Revealed, Supports 2019 Graphics Cards

cnet.com See Full Bio 2025-10-20 16:16:06

After the wildly successful Battlefield 6 open beta that ran earlier in August, EA has released the specs your PC will need to play the next installment in the popular multiplayer shooter series. There aren't too many surprises on the specs list EA revealed in a blog post Thursday. Players with graphics cards as old as the Nvidia GeForce RTX 2060 or AMD Radeon RX 5600 XT (released in 2019 and 2020, respectively) with at least 6GB of virtual RAM can play Battlefield 6. That's reasonably inclusiv

Topics: battlefield boot ea play players

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The 2025 Startup Battlefield 200 is here — see who made the cut

techcrunch.com Isabelle Johannessen 2025-10-23 08:00:23

We’re thrilled to unveil the 2025 Startup Battlefield 200 — TechCrunch’s annual, handpicked list of the 200 most promising early-stage startups from around the world. These founders rose to the top from thousands of applications spanning every industry and geography. Their reward? A coveted spot to exhibit at TechCrunch Disrupt 2025, taking place October 27–29 in San Francisco’s Moscone West. This is the cohort to watch — and this fall, you’ll get to meet them in person. From AI to climate, he

Topics: 2025 ai battlefield disrupt startup

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Show HN: FilterQL – A tiny query language for filtering structured data

news.ycombinator.com Unknown 2025-10-21 16:55:01

FilterQL A tiny query language for filtering structured data 🚀 There are two main parts of this repository: the TypeScript library and the FilterQL language specification. Implementations in other languages are more than welcome! TypeScript Library Installation bun add filterql # or: npm install filterql Usage Define a schema for your data and create a FilterQL instance: import { FilterQL } from "filterql" // The schema determines what fields are allowed in the query const schema = { tit

Topics: data field filterql rating title

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The wait is almost over: The 2025 Startup Battlefield 200 list drops tomorrow

techcrunch.com Isabelle Johannessen 2025-10-25 11:30:40

Set your alarms. Bookmark this page. Refresh like your future depends on it. After reviewing thousands of groundbreaking applications from around the globe, TechCrunch is just days away from announcing the 2025 Startup Battlefield 200 — our handpicked cohort of the most promising early-stage startups set to take the stage at TechCrunch Disrupt 2025 this October 27-29. The 2025 Startup Battlefield 200 list will go live, right here, on Wednesday, August 27, at 9:00 a.m. PT. Whether you applied,

Topics: 2025 battlefield disrupt startup techcrunch

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Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch Startup Battlefield

techcrunch.com Cindy Zackney 2025-10-26 09:27:59

The startup ecosystem in Central Eurasia is having its moment. What started as 485 applications from across 27 countries — including Armenia, Azerbaijan, Estonia, Georgia, India, Kazakhstan, Kyrgyzstan, Mexico, Moldova, Mongolia, Pakistan, Qatar, Romania, Singapore, South Korea, Spain, Tajikistan, Tunisia, Türkiye, Turkmenistan, UAE, the U.K., Ukraine, the U.S., Uzbekistan, and Vietnam — has culminated in the largest startup pitch competition in Central Eurasia’s history. The “Road to Battlefie

Topics: ai battlefield competition startup startups

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Reverse Engineering All the Raspberry Pis

news.ycombinator.com Unknown 2025-10-26 12:20:35

Earlier this month I covered Jonathan Clark's effort to reverse-engineer the Pi Zero 2 W, and just yesterday, I discovered TubeTime reverse-engineered the Compute Module 5. Both are graciously sharing their schematics and process on GitHub: jonny12375/rp3a0 for the Zero 2 W / RP3A0 schlae/cm5-reveng for the CM5 / RP2712 Raspberry Pi shares limited board schematics, but sometimes—especially when digging into some esoteric edge case for a carrier board, or in Jonathan's case, desoldering all t

Topics: lumafield pi scans video zero

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Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch’s Startup Battlefield

techcrunch.com Cindy Zackney 2025-10-26 19:27:59

The startup ecosystem in Central Eurasia is having its moment. What started as 485 applications from across 27 countries — including Armenia, Azerbaijan, Estonia, Georgia, India, Kazakhstan, Kyrgyzstan, Mexico, Moldova, Mongolia, Pakistan, Qatar, Romania, Singapore, South Korea, Spain, Tajikistan, Tunisia, Türkiye, Turkmenistan, UAE, the U.K., Ukraine, the U.S., Uzbekistan, and Vietnam — has culminated in the largest startup pitch competition in Central Eurasia’s history. The “Road to the Battle

Topics: ai battlefield competition startup techcrunch

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What Is the Magnetic Constant, and Why Does It Matter?

wired.com Rhett Allain 2025-10-26 18:30:00

This means these three values can’t be independent; if you know two of them, you can derive the third. How do physicists deal with this? We define the speed of light as exactly 299,792,458 meters per second. (How do we know it’s exact? Because we define a meter as the distance light travels in 1/299,792,458 of a second.) Then we measure the magnetic constant (μ 0 ) and use that value along with the speed of light to calculate the electric constant (ε 0 ). Maybe that seems like cheating, but to

Topics: constant current electric field magnetic

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First World Humanoid Robot Games: Highlights and Fails

cnet.com See Full Bio 2025-10-28 12:00:05

China hosted the first World Humanoid Robot Games last week, featuring events like kickboxing, soccer, and track and field as well as real-world tasks like cleaning and climbing stairs. There were plenty of robotic triumphs, including China's own Unitree, which took home the most medals, including four Golds in track and field events. There were also plenty of robot fails, including brutal knockouts in kickboxing, flops on the race track and painful pile-ups on the soccer field where robots fe

Topics: china field including like robot

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What Is the Magnetic Constant and Why Does It Matter?

wired.com Rhett Allain 2025-10-28 15:30:00

This means these three values can’t be independent; if you know two of them, you can derive the third. How do physicists deal with this? We define the speed of light as exactly 299,792,458 meters per second. (How do we know it’s exact? Because we define a meter as the distance light travels in 1/299,792,458 of a second.) Then we measure the magnetic constant (μ 0 ) and use that value along with the speed of light to calculate the electric constant (ε 0 ). Maybe that seems like cheating, but to

Topics: constant current electric field magnetic

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I Thought This Handheld Would Let Me Play Battlefield Anywhere. I Was Wrong

cnet.com See Full Bio 2025-10-31 18:44:17

If you're excited by the arrival of the next Battlefield installment, then you were probably battling for "C" right alongside me on the past beta weekend. I was there, mainly on my desktop, but also, briefly, on the device I believe to be the best purchase I've made since the pandemic: my Lenovo Legion Go S. While sitting in bed and playing Call of Duty multiplayer on the Legion Go S is one of my new favorite things to do, I thought (wrongly) that it would be great for Battlefield, too. Here's w

Topics: battlefield games legion pc steam

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Python f-string cheat sheets (2022)

news.ycombinator.com Unknown 2025-11-02 03:08:08

Python f-string cheat sheets See fstring.help for more examples and for a more detailed discussion of this syntax see this string formatting article. All numbers The below examples assume the following variables: >>> number = 4125.6 >>> percent = 0.3738 Example Output Replacement Field Fill Width Grouping Precision Type '4125.60' {number:.2f} .2 f '4,125.60' {number:,.2f} , .2 f '04125.60' {number:08.2f} 0 8 .2 f ' 4125.60' {number: 8.2f} 8 .2 f '4.1e+03' {number:.2g} .2 g '4125.6' {number:

Topics: 10 expression field number string

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These little robots are changing the way solar farms are built, saving time and money

cnbc.com Diana Olick 2025-11-03 12:31:33

The data for manual surveying is uploaded into the Civ software, then the operator chooses the area they want to mark and presses go. The robot does the rest, saving both time and money. "Our secret sauce and our core technology is actually in the navigation and the geospatial -- being able to literally mark coordinates within less than a quarter inch, which is very, very difficult in an uneven terrain, outdoor surfaces, and out in the desert," said Tom Yeshurun, CEO of Civ Robotics. CivDot is

Topics: civ field robot said solar

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FieldAI raises $405M to build universal robot brains

techcrunch.com Rebecca Szkutak 2025-11-04 03:00:00

FieldAI, an Irvine, California-based, has raised $405 million across multiple previously undisclosed rounds to develop what it calls “foundational embodied AI models” — essentially robot brains designed to help everything from humanoids to quadrupeds to self-driving cars adapt to new environments. The company announced the funding Wednesday; the most recent round raised $314 million in August and was co-led by Bezos Expedition, Prysm and Temasek. FieldAI’s other backers include Khosla Ventures,

Topics: agha ai disrupt environments fieldai

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How to Play Battlefield 6 Beta: Officially Ended After Two Weekends

cnet.com See Full Bio 2025-11-08 02:38:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6 and held a beta to give players a taste of the game and generate feedback. Battlefield 6's first public beta was available to everyone, but after an early release and two weekends of play, it has officially ended. The Battlefield 6 open beta was the first chance for players to experience the game's multiplayer before its full release on Oct. 10. Those with early access got a couple extra days

Topics: aug battlefield beta open weekend

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Every Free Battlefield 6 Open Beta Challenges Reward You Can Earn

cnet.com See Full Bio 2025-11-10 10:46:00

The Battlefield 6 open beta has taken the gaming world by storm, as hundreds of thousands of players have queued up to trade shots, blow up buildings and rack up killstreaks. The final beta period is in full swing: It began on Thursday, Aug. 14 and goes through Sunday, Aug. 17, so you'll want to join the playtest now if you want to experience the next era of Battlefield chaos before the full release on Oct. 10. Familiar maps and modes are making a return, as players play tug-of-war in Rush sec

Topics: battlefield beta challenge class open

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The wait is almost over: The 2025 Startup Battlefield 200 list drops August 27

techcrunch.com Isabelle Johannessen 2025-11-13 21:56:46

Set your alarms. Bookmark this page. Refresh like your future depends on it. After reviewing thousands of groundbreaking applications from around the globe, TechCrunch is just days away from announcing the 2025 Startup Battlefield 200 — our handpicked cohort of the most promising early-stage startups set to take the stage at TechCrunch Disrupt this October 27-29. The 2025 Startup Battlefield 200 list will go live, right here, on Wednesday, August 27, at 9:00 a.m. PT. Whether you applied, refe

Topics: 2025 battlefield disrupt startup techcrunch

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How to Play Battlefield 6 Beta: Open Access Is Back for the Weekend

cnet.com See Full Bio 2025-11-14 02:41:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and has fully resumed, letting players jump back into the fray right now. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oc

Topics: aug battlefield beta open weekend

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How to Play Battlefield 6 Beta: Open Access Resumes This Thursday

cnet.com See Full Bio 2025-11-15 18:45:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and will resume this weekend. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oct. 10. While those with early access got a c

Topics: aug battlefield beta open weekend

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How to Play Battlefield 6 Beta: Open Access Resumes This Friday

cnet.com See Full Bio 2025-11-18 18:10:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and after an exciting first beta weekend, you can join the fray again in just a few days. Battlefield 6's first public beta is available to everyone and will resume this weekend. It's not too late to join in, and here's how. The Battlefield 6 open beta is the first chance for players to experience the game's multiplayer before its full release on Oct. 10. While those with early access got a c

Topics: aug battlefield beta open weekend

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EFL Championship Soccer: Stream Leicester vs. Sheffield Wednesday Live From Anywhere

cnet.com See Full Bio 2025-11-23 15:00:06

Leicester City kicks off its campaign for an immediate return to the Premier League on Sunday with this opening weekend EFL Championship clash against a Sheffield Wednesday team looking to put its off-the-field turmoil aside. Below, we'll outline the best live TV streaming services to use to watch the game as it happens, wherever you are in the world, and how to use a VPN if the match isn't available where you are. Tasked with returning the Foxes back to the top tier is Spanish coach Martí Cif

Topics: championship sheffield streaming vpn wednesday

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A Bug at Social Security Admin Has Been Rerouting Phone Calls to Random Offices

gizmodo.com Lucas Ropek 2025-11-24 11:45:26

A technical issue at the Social Security Administration recently caused phone calls to various field offices to be routed to other offices that didn’t have jurisdiction over the claims, thus making service fulfillment difficult. On Tuesday, NPR reported that the agency’s field offices were having difficulties connecting callers to the proper staff who could fulfill their requests. “If it’s someone else’s office, the jurisdiction is someone else’s,” Angela Digeronimo, a SS claims specialist in W

Topics: agency field office service ssa

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Inside Dylan Field’s Big IPO—and His Even Bigger Plans for Figma

wired.com Steven Levy 2025-11-25 06:00:00

When Dylan Field pops up on my Zoom screen, his face is a mixture of giddiness and fatigue. He’s back at work, after a whirlwind trip to New York City where he launched his company Figma on the New York Stock Exchange, bucking the trend of multi-billion-dollar startups staying private. Even before it became clear that this might be the wildest public launch in years, the Figma world—fans of the app, employees (known as Figmates), and investors—had already turned Wall Street into a block party, h

Topics: company design field figma people

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Battlefield 6 Beta Is Live Now: How to Join Early Access

cnet.com See Full Bio 2025-11-27 15:07:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and can join the fray today. Battlefield 6's first public beta is live right now for those with early access and will be available on two consecutive weekends. It's not too late to get join in, and here's how. The Battlefield 6 open betas will be the first chances for players to experience the game's multiplayer before its full release on Oct. 10. Those with early access can begin playing rig

Topics: access aug battlefield beta early

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Battlefield 6 Open Beta Start Time, Maps, Modes and Pre-Load

cnet.com See Full Bio 2025-12-05 06:31:00

EA's DICE studio has blown the lid off the multiplayer for its upcoming military shooter Battlefield 6, and players will soon get to join the fray. A Battlefield 6 public beta is coming on two consecutive weekends starting Aug. 9 -- and if you're lucky enough to get Early Access, to play starting Aug. 7 -- and here's how to join. The Battlefield 6 open betas will be the first chances for players to experience the game's multiplayer before its full release on Oct. 10. The first open beta weekend

Topics: access aug battlefield beta open

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Battlefield 6 anti-cheat system requires Secure Boot, shutting out Linux and legacy PCs

techspot.com Alfonso Maruccia 2025-12-06 06:44:00

In a nutshell: Electronic Arts is preparing to launch the next chapter in the Battlefield saga and expects players to fully embrace the new FPS experience. However, many potential buyers may be disappointed by the game's lack of support for Linux-based platforms. Battlefield 6 will include a powerful anti-cheat system that requires players to enable Secure Boot on their Windows PCs. Battlefield Wire confirmed the news on X, stating that EA's anti-cheat technology will run at the kernel level on

Topics: battlefield boot ea javelin secure

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I Played Battlefield 6: Hands-On With the Return To Big Battle Warfare

cnet.com See Full Bio 2025-12-07 03:00:03

After a few hours playing the upcoming Battlefield 6, it's clear the game is designed to be a mea culpa to fans: Trust us, we're bringing back the Battlefield you remember. At a massive preview event in Los Angeles, I sat down to play a slice of the game's multiplayer mode -- and came off it suitably whelmed with a mix of raucous moments and tedious deaths. Ultimately, it feels like it will deliver the kind of big team battles players have been craving, with technical flourishes that amplify the

Topics: battlefield dice game like players

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Latest Tech News

Learning Lens Blur Fields

Protobuffers Are Wrong (2018)

Spotlight on AI at TechCrunch Disrupt: Don’t miss these sessions backed by JetBrains and Greenfield

Battlefield 6 PC Specs Revealed, Supports 2019 Graphics Cards

The 2025 Startup Battlefield 200 is here — see who made the cut

Show HN: FilterQL – A tiny query language for filtering structured data

The wait is almost over: The 2025 Startup Battlefield 200 list drops tomorrow

Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch Startup Battlefield

Reverse Engineering All the Raspberry Pis

Road to Battlefield: Central Eurasia’s largest startup competition in history sends four winners to TechCrunch’s Startup Battlefield

What Is the Magnetic Constant, and Why Does It Matter?

First World Humanoid Robot Games: Highlights and Fails

What Is the Magnetic Constant and Why Does It Matter?

I Thought This Handheld Would Let Me Play Battlefield Anywhere. I Was Wrong

Python f-string cheat sheets (2022)

These little robots are changing the way solar farms are built, saving time and money

FieldAI raises $405M to build universal robot brains

How to Play Battlefield 6 Beta: Officially Ended After Two Weekends

Every Free Battlefield 6 Open Beta Challenges Reward You Can Earn

The wait is almost over: The 2025 Startup Battlefield 200 list drops August 27

How to Play Battlefield 6 Beta: Open Access Is Back for the Weekend

How to Play Battlefield 6 Beta: Open Access Resumes This Thursday

How to Play Battlefield 6 Beta: Open Access Resumes This Friday

EFL Championship Soccer: Stream Leicester vs. Sheffield Wednesday Live From Anywhere

A Bug at Social Security Admin Has Been Rerouting Phone Calls to Random Offices

Inside Dylan Field’s Big IPO—and His Even Bigger Plans for Figma

Battlefield 6 Beta Is Live Now: How to Join Early Access

Battlefield 6 Open Beta Start Time, Maps, Modes and Pre-Load

Battlefield 6 anti-cheat system requires Secure Boot, shutting out Linux and legacy PCs

I Played Battlefield 6: Hands-On With the Return To Big Battle Warfare

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