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Async Queue – One of my favorite programming interview questions

news.ycombinator.com Unknown 2026-02-07 23:46:01

For the past 7+ years, I've been conducting a programming interview that has been a true personal favorite of mine. It was passed down to me from good friends (Jeremy Kaplan and Carl Sverre, and it was the latter whom I believe invented it). This interview has probably been given by us between 500-1000 times across different companies, and upon googling for "async queue interview", I see tons of results. So, it's probably fine for me to blog about it. My main goal with this blog post is to disc

Topics: callback function interview payload sendonce

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Reinforcement Learning from Human Feedback (RLHF) in Notebooks

news.ycombinator.com Unknown 2026-02-08 03:23:12

Reinforcement Learning from Human Feedback (RLHF) in Notebooks This repository provides a reference implementation for Reinforcement Learning from Human Feedback (RLHF) [Paper] framework presented in the RLHF from scratch, step-by-step, in code YouTube video. Overview of RLHF RLHF is a method for aligning large language models (LLMs), like GPT-3 or GPT-2, to better meet users' intents. It is essentially a reinforcement learning approach, where rather than directly getting the reward or feedba

Topics: gpt model reward rlhf sentences

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Yet Another Zip Trick

news.ycombinator.com Unknown 2026-02-03 17:01:59

To delete account insert your password. After that, a e-mail with deletion confirm link will be send. Click on it to confirm account deletion. You already have a account? and to the I have read and agree to the Do you consent to our site using cookies in accordance to our Privacy Policy? You can consent either to all cookies, or accept only selected types. Reject optional Cache only Allow all cookies Advanced cookie settings

Topics: account confirm consent cookies deletion

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QSBS Limits Raised

news.ycombinator.com Unknown 2026-02-07 12:14:40

On June 16, 2025, the Senate Finance Committee released its own version of proposed legislation following the House’s passage of the “One Big Beautiful Bill Act” (H.R. 1). While the House bill did not introduce any changes to Section[1] 1202 for “qualified small business stock” (QSBS), the Senate Finance proposal introduces significant expansions of the tax benefits of QSBS acquired after the date of the enactment of the final legislation. Summary of Current Law The QSBS exemption allows nonco

Topics: finance proposal qsbs senate years

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Drive Capital’s second act – how the Columbus venture firm found success after a split

techcrunch.com Connie Loizos 2026-02-07 23:25:59

The venture capital world has always had a hot-and-cold relationship with the Midwest. Investors rush in during boom times, then retreat to the coasts when markets turn sour. For Columbus, Ohio-based Drive Capital, this cycle of attention and disinterest played out against the backdrop of its own internal upheaval several years ago — a co-founder split that could have ended the firm but may have ultimately strengthened it. At a minimum, Drive achieved something newsworthy in today’s venture lan

Topics: billion drive firm olsen valley

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Prime Day Deal: Beatbot AquaSense 2 Ultra robotic pool cleaner now 20% off!

androidauthority.com Unknown 2026-02-07 20:15:51

Edgar Cervantes / Android Authority Summer should be about relaxation, not scrubbing your pool. Thankfully, Beatbot’s AquaSense 2 Ultra — powered by HybridSense AI pool mapping and eco-friendly ClearWater technology — is now seeing massive Prime Day savings. Get the Beatbot AquaSense 2 Ultra for $2,839 ($711 off) The AquaSense 2 is already one of the best pool cleaners you can buy, but it’s constantly getting better, too. Need a clean pool quickly? The AquaSense 2 Ultra’s newly added AI Quick

Topics: ai aquasense beatbot pool ultra

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Slack now integrates with reMarkable's e-paper tablets

engadget.com Unknown 2026-02-07 22:00:15

You can now send your reMarkable notes and doodles straight to Slack. The companies have announced Slack integration for reMarkable tablets, letting you send whatever you want from the e-paper device straight to your workplace chat in one tap. "...we realized that when there’s friction between thinking and producing, you risk losing time, ideas, and momentum," reMarkable Chief Technology Officer Nico Cormie said in a statement. By linking the tablet with Slack, there's less friction between comi

Topics: notes remarkable send slack want

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Paramount Plus Is Basically Free for 2 Months With This July 4th Deal

cnet.com See Full Bio 2026-02-11 03:28:00

There’s no shortage of streaming services out there, which makes it tough to stay loyal to just one. Apple TV has Severance, Netflix gave us Squid Game, and Yellowjackets is a must-watch on Paramount. If you’re tired of hopping between subscriptions or just want to save a few bucks, there’s a limited-time Fourth of July deal that might help. Right now, you can snag Paramount Plus Essential or Paramount Plus Premium for just $0.99 per month for two months, down from the usual $8 and $13 a month,

Topics: deal essential just paramount premium

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Here are the letters that convinced Google and Apple to keep TikTok online

theverge.com Adi Robertson 2026-02-11 03:26:55

is a senior tech and policy editor focused on VR, online platforms, and free expression. Adi has covered video games, biohacking, and more for The Verge since 2011. A Freedom of Information Act request has produced letters that the US Department of Justice sent to Google, Apple, Amazon, and several other companies in order to assuage their concerns about breaking a law that banned US web services from working with TikTok. The documents — obtained by Zhaocheng Anthony Tan, a Google shareholder

Topics: companies law letters sent tiktok

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Meta is reportedly training its AI chatbots to send unprompted messages

engadget.com Unknown 2026-02-12 18:32:29

Everyone’s been hit with a bitingly pass-agg "?" text after waiting just a bit too long to reply. And you might soon get similar (though likely more upbeat) treatment from AI chatbots you’ve previously engaged with on Meta platforms like Instagram or WhatApp. A new report from Business Insider claims that the Mark Zuckerberg-owned company is trialling a proactive feature in customizable chatbots created using its no-code AI Studio software, that will enable them to send unprompted follow-up mess

Topics: ai like meta send user

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Best Family Phone Plans for 2025

cnet.com See Full Bio 2026-02-13 15:39:00

If you compare the specifics of T-Mobile's Essentials and Essentials Saver plans, you might think the company forgot to update one or the other -- they're Essential-ly the same. With both, you get 50GB of fast Premium 5G data (depending on the network capabilities in your area), which drops to 3G speeds of still-unlimited data after that allotment is used up. You can use your phone as a mobile hotspot with unlimited data, but only at 3G speeds and restricted to paltry 2G speeds when you're in Ca

Topics: data essentials lines saver unlimited

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Two years in, Apple is now officially on Threads

9to5mac.com Marcus Mendes 2026-02-13 23:07:49

It took a minute, but Apple has at last activated its official Threads account. And thanks to its massive Instagram presence, it instantly picked up nearly 5 million followers. Today’s move comes well after several Apple-related accounts joined Instagram’s alternative to X right out of the gate. Apple Music, Apple News, Apple Books, Shazam, and Beats by Dre were among the first to show up shortly after Threads launched in mid-2023, but the main @apple account remained absent until now. Instant

Topics: apple instagram million presence threads

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New macOS malware targets crypto and Web3 startups with fake Zoom update

9to5mac.com Marcus Mendes 2026-02-14 14:53:43

North Korean hackers are behind a new and unusually sophisticated macOS malware campaign that targets the crypto industry using fake Zoom invites. Here’s how it works. Dubbed “NimDoor” by researchers at SentinelLabs, the attack is more sophisticated than the typical macOS threat, and it chains together AppleScript, Bash, C++, and Nim to exfiltrate data and maintain access in compromised systems. Here’s SentinelLabs’ executive summary of the hack: DPRK threat actors are utilizing Nim-compiled

Topics: actors data malware sentinellabs threat

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NimDoor crypto-theft macOS malware revives itself when killed

bleepingcomputer.com Unknown 2026-02-14 14:36:27

North Korean state-backed hackers have been using a new family of macOS malware called NimDoor in a campaign that targets web3 and cryptocurrency organizations. Researchers analyzing the payloads discovered that the attacker relied on unusual techniques and a previously unseen signal-based persistence mechanism. The attack chain, which involves contacting victims via Telegram and luring them into running a fake Zoom SDK update, delivered via Calendly and email, resembles the one Huntress manag

Topics: llc macos malware persistence sentinellabs

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Take the tediousness out of pool care with the Beatbot AquaSense 2 series

androidauthority.com Unknown 2026-02-15 18:41:59

Summer is in full swing, and jumping in your pool to stay cool during those sweltering days sounds ideal. Of course, keeping your outdoor pool open for the entire season also means hours and hours of tedious maintenance and cleaning. That’s where Beatbot steps in! With the Aquasense 2 series of automatic robot pool cleaners handling the chore of pool care, you’ll now be able to enjoy more time in the water than outside of it. Here’s everything you need to know. Beatbot AquaSense 2 Ultra – The

Topics: aquasense beatbot cleaning pool water

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Slouching Towards Sensemaking

news.ycombinator.com Unknown 2026-02-14 00:17:43

Slouching Towards Sensemaking There’s a particular quality to the confusion of our current moment that reminds me of standing in Dolores Park at dusk, watching fog roll in from Twin Peaks while the Mission stays stubbornly sunny. We’re between weather systems, between worlds. The old information order – built on broadcast towers and printing presses, gatekeepers and institutions – is visibly dissolving. The new one hasn’t quite condensed into recognizable forms yet. We’re in the interregnum, an

Topics: isn just llms new sensemaking

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Why I recommend this Hisense's QLED TV over pricier OLED models - especially at $900 off

zdnet.com Chris Bayer 2026-02-17 09:13:00

ZDNET's key takeaways The Hisense U8QG is available from 55-inch to 100-inch, with most models currently on sale. It offers arresting HDR picture quality and brightness. However, this set lacks some premium features like four HDMI ports and an ultra-thin frame. View now at Amazon View now at Best Buy View now at Walmart more buying choices The Hisense U8QG is one step down from the company's flagship TV, (the U9QG), and it's currently on sale for about $1,275 at major retailers (normally $2,2

Topics: 4k hisense tv u8qg ultra

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The Senate Just Put Clean Energy for AI in the Crosshairs

wired.com Molly Taft 2026-02-17 18:00:47

After more than a day of continuous debate, the US Senate passed its version of the budget megabill Tuesday afternoon—with potentially disastrous implications for the future of renewable energy in the country. Among a barrage of bad news for climate initiatives, including a new tax credit for coal and the sunsetting of electric vehicle tax credits, the bill forces an aggressive cutoff for tax credits for wind and solar. The bill ends credits for projects placed in service—a term meaning, essent

Topics: credits energy new senate tax

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Can Sensing Be Safe? Designing Privacy-Aware Wireless Systems

computer.org Laurel Tweed 2026-02-18 02:00:22

Introduction From fitness trackers to smart speakers, mobile sensing has quietly become ubiquitous, embedding itself into our daily lives. These devices are capable of monitoring motion, detecting presence, identifying user activities, and even inferring health conditions, sometimes without any user interaction. As these applications grow and become central to smart environments, a critical question arises: Can sensing systems be designed to be both safe and ethical? While mobile and wearable

Topics: data sensing systems user users

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Senate drops plan to ban state AI laws

theverge.com Tina Nguyen 2026-02-18 14:15:48

is a senior reporter for The Verge, covering the Trump administration, Elon Musk’s takeover of the federal government, and the tech industry’s embrace of the MAGA movement. The US Senate has voted overwhelmingly to remove a moratorium on states regulating AI systems from the Republican “big, beautiful bill.” Legislators agreed by a margin of 99 to 1 to drop the controversial proposal during a protracted fight over the omnibus budget bill, which is still under debate. The vote followed failed a

Topics: ai moratorium sen senate states

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US Senate removes controversial ‘AI moratorium’ from budget bill

techcrunch.com Rebecca Bellan 2026-02-18 14:07:48

U.S. senators voted overwhelmingly on Tuesday to remove a controversial 10-year ban on states’ abilities to regulate AI from the Trump administration’s “Big Beautiful Bill,” reports Axios. The provision to the reconciliation bill was introduced by Sen. Ted Cruz (R-TX). Many prominent Silicon Valley executives — including OpenAI’s Sam Altman, Anduril’s Palmer Luckey, and a16z’s Marc Andreessen — were in favor of the so-called “AI moratorium,” which they said would prevent states from forming an

Topics: ai ban cruz provision sen

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Gemini may soon let you send images in texts, thanks to RCS (APK teardown)

androidauthority.com Unknown 2026-02-19 02:29:14

Joe Maring / Android Authority TL;DR Gemini on Android currently sends only text messages through Google Messages. If you ask Gemini to send an image via Google Messages, it will only send a blank URL in the text, as MMS is not supported yet. New code suggests Gemini will soon support RCS through Google Messages, potentially enabling image sharing. Gemini on Android can be used like a good old digital assistant to send text messages to one of your contacts. Once Gemini accepts the command, i

Topics: gemini google messages rcs send

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Texas politicians make headway in effort to wrench space shuttle from Smithsonian

arstechnica.com Unknown 2026-02-20 04:16:14

A political effort to relocate the space shuttle Discovery from the Smithsonian to Space Center Houston has been merged with the so-called "One Big Beautiful Bill," a major economic and policy package now nearing a vote in the US Senate. The "Bring the Space Shuttle Home Act," first introduced by Texas Senators Ted Cruz and John Cornyn in April, has now been added to the Senate's version of the bill championed by President Donald Trump. While the latter legislation primarily focuses on tax cuts

Topics: beautiful center home senate space

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Continuous Glucose Monitoring

news.ycombinator.com Adam Langley 2026-02-21 20:09:30

Continuous glucose monitoring has been a thing for a while. It's a probe that sits just inside your body and measures blood glucose levels frequently. Obviously this is most useful for type 1 diabetics, who need to regulate their blood glucose manually. (At this point, I would be amiss not to give a nod to the book Systems Medicine, which I think most readers would find fascinating. I can't judge whether it's correct or not, but it is a delightful exploration of a bunch of maladies from the per

Topics: blood didn plastic sensor think

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Universal Asked That Scenes Be Added Back Into ‘Jurassic World Rebirth’

gizmodo.com Germain Lussier 2026-02-21 18:15:41

There’s a reason why the biggest, most famous filmmakers in the world all want “final cut” of their movies. It’s because they don’t want anyone, least of all a studio executive, to have an impact on their vision. More often than not, when studios meddle in editing, it’s to make films shorter. However, the exact opposite happened on the new Jurassic film, Jurassic World Rebirth. Rebirth started shooting in June 2024, finished in October 2024 and, right after Christmas, director Gareth Edwards wa

Topics: cut edwards essentially jurassic like

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Launch HN: Issen (YC F24) – Personal AI language tutor

news.ycombinator.com Unknown 2026-02-26 03:32:28

Hey HN, we're Mariano and Anton from ISSEN ( https://issen.com ), a foreign language voice tutor app that adapts to your interests, goals, and needs. Demo: https://www.loom.com/share/a78e713d46934857a2dc88aed1bb100d?... We started this company after struggling to find great tools to practice speaking Japanese and French. Having a tutor can be awesome, but there are downsides: they can be expensive (since you pay by the hour), difficult to schedule, and have a high upfront cost (finding a tutor

Topics: app com https issen language

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Microsoft 365 'Direct Send' abused to send phishing as internal users

bleepingcomputer.com Unknown 2026-02-26 14:00:00

An ongoing phishing campaign abuses a little‑known feature in Microsoft 365 called "Direct Send" to evade detection by email security and steal credentials. Direct Send is a Microsoft 365 feature that allows on‑premises devices, applications, or cloud services to send emails through a tenant's smart host as if they originated from the organization's domain. It’s designed for use by printers, scanners, and other devices that need to send messages on behalf of the company. However, the feature i

Topics: company direct email feature send

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Build a Sentence-Level Text-to-Speech Reader in JavaScript

news.ycombinator.com Unknown 2026-02-23 21:34:26

In this article, we’ll build a simple web tool to explore how Text-to-Speech (TTS) works in JavaScript. We’ll also dive into the logic of sentence-level highlighting. These two features are often combined to create accessible, dynamic reading experiences in the browser. We’ll go step-by-step: Learn how TTS works in the browser Explore how to highlight sentences dynamically Build a working mini tool with HTML, CSS, and JavaScript (Demo & Code) 📢 What is TTS in the browser? JavaScript provides

Topics: const disabled sentence span utter

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In the microdrone arms race, China unveils a mosquito-sized UAV built for stealth

techspot.com Skye Jacobs 2026-02-28 23:22:00

In a nutshell: A new chapter in military robotics is unfolding in China, where researchers have unveiled a drone so small it can perch between two fingers. Developed by the National University of Defense Technology in Hunan province, this mosquito-sized unmanned aerial vehicle is built for covert reconnaissance missions. The microdrone was showcased on state broadcaster CCTV 7, where NUDT student Liang Hexiang demonstrated its capabilities by holding it up for the camera. Barely larger than an

Topics: drone microdrones sensors sized tiny

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Senua’s Saga: Hellblade 2 hits PS5 on August 12

engadget.com Unknown 2026-02-28 23:17:31

Senua’s Saga: Hellblade 2 will be released for PS5 on August 12 . We knew the port was coming this summer , and now we have an actual date. Ninja Theory says the title will be optimized for both the standard-issue PS5 and the more powerful PS5 Pro. This is a real homecoming for the franchise, as Hellblade: Senua’s Sacrifice was originally released for PS4 back in 2017. That PS5 release date coincides with the cross-platform launch of Senua’s Saga: Hellblade II Enhanced. This version includes a

Topics: hellblade includes mode ps5 senua

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Latest Tech News

Async Queue – One of my favorite programming interview questions

Reinforcement Learning from Human Feedback (RLHF) in Notebooks

Yet Another Zip Trick

QSBS Limits Raised

Drive Capital’s second act – how the Columbus venture firm found success after a split

Prime Day Deal: Beatbot AquaSense 2 Ultra robotic pool cleaner now 20% off!

Slack now integrates with reMarkable's e-paper tablets

Paramount Plus Is Basically Free for 2 Months With This July 4th Deal

Here are the letters that convinced Google and Apple to keep TikTok online

Meta is reportedly training its AI chatbots to send unprompted messages

Best Family Phone Plans for 2025

Two years in, Apple is now officially on Threads

New macOS malware targets crypto and Web3 startups with fake Zoom update

NimDoor crypto-theft macOS malware revives itself when killed

Take the tediousness out of pool care with the Beatbot AquaSense 2 series

Slouching Towards Sensemaking

Why I recommend this Hisense's QLED TV over pricier OLED models - especially at $900 off

The Senate Just Put Clean Energy for AI in the Crosshairs

Can Sensing Be Safe? Designing Privacy-Aware Wireless Systems

Senate drops plan to ban state AI laws

US Senate removes controversial ‘AI moratorium’ from budget bill

Gemini may soon let you send images in texts, thanks to RCS (APK teardown)

Texas politicians make headway in effort to wrench space shuttle from Smithsonian

Continuous Glucose Monitoring

Universal Asked That Scenes Be Added Back Into ‘Jurassic World Rebirth’

Launch HN: Issen (YC F24) – Personal AI language tutor

Microsoft 365 'Direct Send' abused to send phishing as internal users

Build a Sentence-Level Text-to-Speech Reader in JavaScript

In the microdrone arms race, China unveils a mosquito-sized UAV built for stealth

Senua’s Saga: Hellblade 2 hits PS5 on August 12

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