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Many Hard LeetCode Problems Are Easy Constraint Problems

news.ycombinator.com Unknown 2025-10-03 05:44:05

September 10, 2025 Many Hard Leetcode Problems are Easy Constraint Problems Use the right tool for the job. In my first interview out of college I was asked the change counter problem: Given a set of coin denominations, find the minimum number of coins required to make change for a given number. IE for USA coinage and 37 cents, the minimum number is four (quarter, dime, 2 pennies). I implemented the simple greedy algorithm and immediately fell into the trap of the question: the greedy algor

Topics: buy coins constraint int var

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‘JoJo’s Bizarre Adventure: Steel Ball Run’ Anime to Stream Worldwide on Netflix

gizmodo.com Isaiah Colbert 2025-10-03 06:13:47

The upcoming season of JoJo’s Bizarre Adventure anime, Steel Ball Run, is set to stream worldwide on Netflix. The announcement came alongside a press release to celebrate the streaming platform’s tenth anniversary in Japan, Deadline reported. The anime series, based on Hirohiko Araki’s manga, follows the Joestar family’s bloodline across generations as they face a variety of eccentric foes, including the time-rewinding Dio Brando. This series’ core gimmick features heroes and villains alike uti

Topics: anime ball run series steel

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Last day to amplify your brand: Host your Side Event at TechCrunch Disrupt 2025

techcrunch.com Techcrunch Events 2025-10-03 06:00:00

The countdown is on: The application to host a Side Event at TechCrunch Disrupt 2025 closes tonight at 11:59 p.m. PT. If you’ve been considering a way to amplify your brand during the week’s tech epicenter, now is the time to lock it in. Your Side Event could be the dinner everyone’s still talking about, the panel that sparks a deal, or the happy hour that launches a new collaboration. With 10,000+ Disrupt attendees in San Francisco — plus the global spotlight of TechCrunch promotion — your e

Topics: 000 disrupt event just techcrunch

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Mastodon rolls out quote posts with protections to prevent ‘dunking’

techcrunch.com Sarah Perez 2025-10-03 06:38:53

Mastodon, an open source, decentralized alternative to X, is rolling out a somewhat controversial feature by adding quote posts, which will launch next week. The feature, which allows a user to quote someone else’s post and re-share it with their own response or commentary, has contributed to a culture of “dunking” on X, where users often deride other people by responding with snark or insulting humor. To address this concern, Mastodon says it’s implementing quote posts with safety controls. T

Topics: mastodon post posts quote users

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Active phishing campaign targeting crates.io users

news.ycombinator.com Sept. 2025-10-03 10:51:33

We received multiple reports of a phishing campaign targeting crates.io users (from the rustfoundation.dev domain name), mentioning a compromise of our infrastructure and asking users to authenticate to limit damage to their crates. These emails are malicious and come from a domain name not controlled by the Rust Foundation (nor the Rust Project), seemingly with the purpose of stealing your GitHub credentials. We have no evidence of a compromise of the crates.io infrastructure. We are taking s

Topics: crates domain infrastructure io rust

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Justice Department Announces Actions to Combat North Korean Remote IT Workers

news.ycombinator.com Unknown 2025-10-03 09:31:05

Note: This press release has been updated to reflect new information regarding the guilty plea of one defendant in the District of Massachusetts. The Justice Department announced today coordinated actions against the Democratic People’s Republic of North Korea (DPRK) government’s schemes to fund its regime through remote information technology (IT) work for U.S. companies. These actions include two indictments, an information and related plea agreement, an arrest, searches of 29 known or suspec

Topics: companies district korean north workers

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iPhone 17 Series Preorders Are Happening Now, but Don't Skip the Case

cnet.com Aashna Gheewalla 2025-10-03 08:02:00

It's here. You can preorder the new iPhone lineup right now to ensure you get Apple's new flagship in your hand at launch. We're all buzzing with excitement over Apple's iPhone 17 lineup, which was announced at the company's Apple Event 2025 Sept. 9. It includes the base iPhone 17, the new iPhone Air and the 17 Pro, as well as the larger 17 Pro Max. But don't forget to grab something to protect you nifty new device. Tons of your favorite brands, like Casetify, have already released new cases for

Topics: 17 cases iphone new starting

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The Best Gifts for Newlyweds They’ll Actually Use (2025)

wired.com Julia Forbes 2025-10-03 10:09:00

We can’t talk about coffee grinders without touching on coffee makers too. I’ve had rotten luck in this arena, truth be told. I was hoping that the coffee maker I was gifted at my wedding would last a whopping 20 years, like my parents’ did, but it barely made it past my second anniversary. Upon polling friends and family and consulting WIRED tester Matthew Korfhage, the Moccamaster KBGV Select was consistently mentioned as a top pick. And Matthew deems it the best “buy it for life” option. Whi

Topics: best coffee does kbgv moccamaster

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Google Photos could finally fix its annoying search limitation on shared photos (APK teardown)

androidauthority.com Unknown 2025-10-03 14:15:43

Edgar Cervantes / Android Authority TL;DR Google Photos is testing a new search feature that will allow users to search for content in shared albums without saving the photos. We’ve spotted a filter to include and exclude shared photos in the search results Currently, users have to save shared photos to their accounts before they can be searched. Google Photos is great for photo editing and media management, but it’s also pretty good for sharing photos with others. There is one caveat, thoug

Topics: google photos search shared string

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The best laptops under $1,000 of 2025: Expert tested and reviewed

zdnet.com Cesar Cadenas 2025-10-03 14:24:02

People tend to equate concepts like "budget" or "low-cost" with poor quality, but that's not true. You can find plenty of high-quality laptops that cost less than $1,000. I'm talking about well-crafted, powerful computers that can compete with the best laptops on the market when tackling productivity and entertainment workloads. It certainly helps that many budget laptops were former high-end devices. Apple, for example, frequently drops the price of older MacBooks whenever a new one comes out.

Topics: best hp laptop lenovo screen

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Chronic Insomnia Is Bad for the Brain. Like, Really Bad

gizmodo.com Margherita Bassi 2025-10-03 14:20:07

If you’re a chronic insomniac, you might experience faster declines in memory and thinking skills than your better-sleeping fellows. In other words, your brain might age faster. In a study published Wednesday in the journal Neurology, researchers revealed that people with chronic insomnia, described as having trouble sleeping at least three days a week for three months or more, were significantly more likely to develop mild cognitive impairment or dementia than their healthy counterparts. “Ins

Topics: brain chronic insomnia sleep study

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A new Astro Bot-themed PS5 controller is now available for preorder

theverge.com Brandon Russell 2025-10-03 14:00:00

is a commerce writer covering deals and buying guides. Previously, he was a freelance writer for Popular Mechanics, Men’s Health, and Esquire. Posts from this author will be added to your daily email digest and your homepage feed. If you missed out on the limited edition Astro Bot DualSense wireless controller for PlayStation 5 last year, we have good news: Sony is launching a new “Joyful” version of the gamepad for $84.99 on October 30th, and preorders have just begun at the PlayStation store

Topics: astro bot dualsense joyful sony

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Mastodon is bringing quote posts to the fediverse

theverge.com Emma Roth 2025-10-03 14:07:59

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. Mastodon is officially rolling out quote posts. Starting next week, you’ll see an option to quote another user by selecting the repost — or “boost” — button, allowing you to add your thoughts to someone else’s post. The decentralized platform initially planned

Topics: mastodon platform post posts quote

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Can't hear TV dialogue? This soundbar fixed my audio problems for cheap

zdnet.com Jack Wallen 2025-10-03 18:16:37

Creative Stage Pro soundbar ZDNET's key takeaways The Creative Stage Pro soundbar is available on Amazon for $170. This cost-effective soundbar excels at producing clear dialogue. The Stage Pro subwoofer won't blow you away, but it does add some depth to voices. $169.99 at B&H Photo-Video $169.99 at Amazon more buying choices Follow ZDNET: Add us as a preferred source on Google. This space-saving soundbar/subwoofer combo from Creative might not meet the lofty demands of an audiophile, but fo

Topics: dialogue pro soundbar stage subwoofer

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You shouldn’t buy the best Android phone

androidauthority.com Unknown 2025-10-04 02:00:12

Robert Triggs / Android Authority Last week, I came across a now-deleted Reddit thread from a Google Pixel user who discussed their perceived satisfaction when using a Google Pixel 9a versus the more expensive Pixel 9 Pro. The original poster detailed their experience buying the most expensive Pixel out there, not being happy with it, returning it, and buying the Pixel 9a instead, and ending up much more content with the cheaper phone despite their (very tech-savvy) friends’ constant taunting a

Topics: android best phone phones pixel

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Introduction to Nyquist and Lisp Programming

news.ycombinator.com Unknown 2025-09-30 11:54:00

From Audacity Development Manual There is also a standalone version of Nyquist available from the Carnegie Mellon University Computer Music Project. Nyquist was written by Roger B. Dannenberg and was intended to be used as a complete programming language for audio synthesis and analysis, with support for MIDI, audio recording and playback, file I/O, object-oriented programming, profiling, debugging and more. Audacity uses a subset of Nyquist's functionality, allowing you to use Nyquist functi

Topics: expr function lisp list nyquist

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Astrophysics Source Code Library

news.ycombinator.com Unknown 2025-10-04 02:59:38

[submitted] adstex automatically identifies all citation keys in a TeX source file and builds the corresponding bibliography file (.bib file) by fetching the reference information from NASA's Astrophysics Data System (ADS). adstex recognizes all variants of the cite commands in TeX, and works with various styles of citation keys, including arXiv IDs, DOIs, and ADS bibcodes. When a citation key is in the format of first-author name and year, adstex will query NASA's ADS and return a list of poss

Topics: ads adstex file nasa reference

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Microsoft fixes Exchange Online outage affecting users worldwide

bleepingcomputer.com Unknown 2025-10-03 16:43:00

Update September 11, 18:12 EDT: Revised story and title after Microsoft's confirmation that the outage has been mitigated. Microsoft says that it has mitigated an Exchange Online outage affecting customers worldwide, which blocked their access to emails and calendars. "We're investigating an issue affecting a portion of infrastructure in North America, where users may be unable to access their mailbox via any Exchange Online connection method," the company said on Thursday morning. According

Topics: infrastructure issue microsoft service users

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Performance-focused forks of styled-components

news.ycombinator.com Unknown 2025-10-04 04:00:52

Your React app might be 40% slower on first render than it needs to be. Not because you wrote bad code. Not because React is slow. But because styled-components never implemented React 18's useInsertionEffect hook: a feature specifically designed to solve CSS-in-JS performance problems. While React 18 shipped in March 2022 with this optimization path, styled-components remained on React 17 patterns, injecting styles during render instead of between render and layout. This creates a performanc

Topics: components performance react styled styles

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Our website looks like an operating system

news.ycombinator.com Unknown 2025-10-03 20:45:36

I have a problem with many large, technical websites. Often times, I’ll want to refer to different pages at the same time. So I’ll CMD + click “a couple times” while browsing around and before I know it, I have 12 new tabs open – all indistinguishable from each other because they share the same favicon. PostHog.com has the same problem – especially as the site has grown from supporting a handful of paid products to over a dozen. As I looked for ways to solve this explosion of pages, I started

Topics: building just ll posthog site

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Today's NYT Mini Crossword Answers for Friday, Sept. 12

cnet.com See Full Bio 2025-10-03 23:24:00

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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Differences between stal/IX and regular Linux

news.ycombinator.com Unknown 2025-10-04 05:08:50

stal/IX This document contains a regularly updated list of differences between stal/IX and regular Linux. Minimalism “UNIX is simple and coherent…” - Dennis Ritchie “GNU’s Not UNIX” - Richard Stallman stal/IX is not UNIX or Linux in the usual sense of these terms. stal/IX is an attempt to rethink some fundamentals without touching the Linux API and ABI. One of the goals of stal/IX is to build the system from the ground up in such a way that it is easy to understand how it works, not just

Topics: com html https ix stal

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Why our website looks like an operating system

news.ycombinator.com Unknown 2025-10-04 01:45:36

I have a problem with many large, technical websites. Often times, I’ll want to refer to different pages at the same time. So I’ll CMD + click “a couple times” while browsing around and before I know it, I have 12 new tabs open – all indistinguishable from each other because they share the same favicon. PostHog.com has the same problem – especially as the site has grown from supporting a handful of paid products to over a dozen. As I looked for ways to solve this explosion of pages, I started

Topics: building just ll posthog site

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Danish supermarket chain is setting up "Emergency Stores"

news.ycombinator.com Unknown 2025-10-04 05:35:36

To use the Mastodon web application, please enable JavaScript. Alternatively, try one of the native apps for Mastodon for your platform.

Topics: alternatively application apps enable mastodon

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The music industry is broken: OpenWav’s new app aims to change that

techcrunch.com Sarah Perez 2025-10-04 04:07:23

Grammy Award-winning musician, composer, and producer Wyclef Jean says the music industry is broken, which is why he’s now involved with a startup, OpenWav, that’s looking to give the power back to the artists. Through the OpenWav app, launched over the summer, artists can drop new music and exclusives; connect directly with fans; sell merch; host concerts, pop-ups, and listening parties; and more. Later, the startup plans to offer more assistance to artists using AI tools. Speaking at the For

Topics: ai artists ma music openwav

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OpenAI secures Microsoft’s blessing to transition its for-profit arm

techcrunch.com Maxwell Zeff 2025-10-04 05:18:29

OpenAI announced Thursday it reached a non-binding agreement with Microsoft, its largest investor, on a revised partnership that would allow the startup to convert its for-profit arm into a public benefit corporation (PBC). The transition, should it be cleared by state regulators, could allow OpenAI to raise additional capital from investors and, eventually, become a public company. In a blog post, OpenAI Board Chairman Bret Taylor said under the non-binding agreement with Microsoft, OpenAI’s

Topics: microsoft musk nonprofit openai startup

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Someone Finally Got the Note and Fixed This ‘Beetlejuice’ Sign

gizmodo.com Sabina Graves 2025-10-04 10:00:33

If you’re a movie prop replica collector, you know exactly which Beetlejuice sign we’re talking about. For years, as a Beetlejuice decor hunter, there has been one item I refused to buy on principle because it had one glaring mistake: it was not in-universe accurate. I’ve bought the Adam and Barbara monster face hanging decor, the inflatable Sandworm for my lawn, and the “Here Lies Betelgeuse” tombstone—but never the iconic light-up sign due to the fact that it always featured the ghost with th

Topics: beetlejuice betelgeuse decor sign tombstone

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Order a Case for Your New iPhone 17 Ahead of Tomorrow's Preorder Launch

cnet.com Aashna Gheewalla 2025-10-04 05:53:00

The world is buzzing with excitement about Apple's new flagship. The iPhone 17 lineup was announced at the company's Apple Event 2025 earlier this week. It includes the base iPhone 17, the new iPhone Air and the 17 Pro, as well as the larger 17 Pro Max. You can start preordering the new phone tomorrow, Sept. 12, but don't forget to grab something to protect it. Some of your favorite brands, like Casetify, have already released new cases for the upcoming iPhone 17 models. Even Apple has dropped i

Topics: 17 cases close iphone starting

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Google Home’s feature-packed new automation editor is ready for you to try out now

androidauthority.com Unknown 2025-10-04 14:59:58

Edgar Cervantes / Android Authority TL;DR Google Home is rolling out a new automation editor experience on Android and iOS. The editor supports conditions, adds new actions and triggers, and just empowers more complicated automations. While some features aren’t yet working, you still have the option to go back to the old editor. Having a proper smart home means more than just installing some Wi-Fi lightbulbs, smart outlets, and security cameras. If you really want to get the most out of all

Topics: editor google just like new

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9to5Mac Daily: September 11, 2025 – iPhone Air tidbits, more

9to5mac.com Seth Kurkowski 2025-10-04 14:48:41

Listen to a recap of the top stories of the day from 9to5Mac. 9to5Mac Daily is available on iTunes and Apple’s Podcasts app, Stitcher, TuneIn, Google Play, or through our dedicated RSS feed for Overcast and other podcast players. Sponsored by iMazing: iMazing lets you back up, transfer, and manage your iPhone and iPad data like never before — including messages, photos, music, WhatsApp, voicemails, battery health, and more. No cloud required. Use code 9to5mac-20off to get 20% off, exclusively f

Topics: 9to5mac apple daily imazing podcast

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Latest Tech News

Many Hard LeetCode Problems Are Easy Constraint Problems

‘JoJo’s Bizarre Adventure: Steel Ball Run’ Anime to Stream Worldwide on Netflix

Last day to amplify your brand: Host your Side Event at TechCrunch Disrupt 2025

Mastodon rolls out quote posts with protections to prevent ‘dunking’

Active phishing campaign targeting crates.io users

Justice Department Announces Actions to Combat North Korean Remote IT Workers

iPhone 17 Series Preorders Are Happening Now, but Don't Skip the Case

The Best Gifts for Newlyweds They’ll Actually Use (2025)

Google Photos could finally fix its annoying search limitation on shared photos (APK teardown)

The best laptops under $1,000 of 2025: Expert tested and reviewed

Chronic Insomnia Is Bad for the Brain. Like, Really Bad

A new Astro Bot-themed PS5 controller is now available for preorder

Mastodon is bringing quote posts to the fediverse

Can't hear TV dialogue? This soundbar fixed my audio problems for cheap

You shouldn’t buy the best Android phone

Introduction to Nyquist and Lisp Programming

Astrophysics Source Code Library

Microsoft fixes Exchange Online outage affecting users worldwide

Performance-focused forks of styled-components

Our website looks like an operating system

Today's NYT Mini Crossword Answers for Friday, Sept. 12

Differences between stal/IX and regular Linux

Why our website looks like an operating system

Danish supermarket chain is setting up "Emergency Stores"

The music industry is broken: OpenWav’s new app aims to change that

OpenAI secures Microsoft’s blessing to transition its for-profit arm

Someone Finally Got the Note and Fixed This ‘Beetlejuice’ Sign

Order a Case for Your New iPhone 17 Ahead of Tomorrow's Preorder Launch

Google Home’s feature-packed new automation editor is ready for you to try out now

9to5Mac Daily: September 11, 2025 – iPhone Air tidbits, more

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