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We made Postgres writes faster, but it broke replication

news.ycombinator.com Unknown 2026-01-16 23:26:04

We Made Postgres Writes Faster, but it Broke Replication +2 By Stu Hood, Ming Ying, Mathew Pregasen, and Olive Ratliff on June 30, 2025 When we built pg_search , the Postgres extension for search and analytics, write throughput was a priority. To be an effective alternative to Elasticsearch we needed to support high ingest workloads in real time. This is because many Elasticsearch use cases — like real-time dashboards, e-commerce search, and recommendation systems — involve continuous writes t

Topics: consistency data postgres primary tuple

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What happens when housing prices go down?

news.ycombinator.com Charles Marohn 2026-01-17 00:16:42

There’s a theory about housing that has taken hold with a kind of religious fervor: If you want to make housing more affordable, just build more of it. Supply and demand. Simple economics. This narrative is now dominating housing policy discussion across the political spectrum. Deregulate, upzone, speed up approvals, let the market work. And if you build enough homes, the theory goes, prices will come down. But here’s the question almost no one asks: What happens when prices actually start to

Topics: build home housing new prices

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Apple’s new iPad Pro could get another front-facing camera

theverge.com Emma Roth 2026-01-17 03:02:46

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. Apple’s upcoming iPad Pro could appease fans of both landscape and portrait mode by including two front-facing cameras. That’s according to a report from Bloomberg’s Mark Gurman, who says Apple is adding a camera to the top of the device, in addition to the one it introduced lengthwise last year. The last-gen iPad Pro swapped the tablet’s conventio

Topics: camera device ipad landscape pro

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I've launched 37 products in 5 years and not doing that again

news.ycombinator.com Unknown 2026-01-17 06:27:24

After launching 37 different products over the last few years, I’ve had one go viral and almost all the others struggle to get any traction at all. Like many indie makers, I used to think the best strategy was to just keep launching, make more bets, and hope one finally catches fire. But here’s what I’ve learned: Virality is rare and nearly impossible to predict Most of my launches that failed didn’t actually fail, they just grew much slower than I expected My current project, Refgrow, took

Topics: bets growth just launching project

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“Dynamic programming” is not referring to “computer programming”

news.ycombinator.com Unknown 2026-01-13 15:09:07

When seeing the phrase “dynamic programming” in an algorithms class or leetcode study guide, the first question people ask is “what does ‘dynamic’ mean in this context?”. The key question is instead “what does ‘programming’ mean in this context?”, because it does not mean “computer programming”. Instead it refers to, as the Oxford English Dictionary puts it, programming. n. 4. Planning carried out for purposes of control, management, or administration. So really, it’s closer to “TV programmi

Topics: dynamic fib order programming steps

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The floating robot collecting rubbish in our waterways

feeds.bbci.co.uk Unknown 2026-01-14 14:12:08

Topics: 2025 approach bbc content external

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The Galaxy Z Fold 7 is doing something no Galaxy Fold has done before

androidauthority.com Unknown 2026-01-17 18:44:26

C. Scott Brown / Android Authority TL;DR The Samsung Galaxy Z Fold 7 is apparently receiving more pre-orders than the Galaxy Z Flip 7 in Korea. This is reportedly the first time the Fold model has been more popular than the Flip device. Samsung’s newest Fold offers a super-thin and light design, larger screens, and a powerful Snapdragon 8 Elite chip. Samsung’s Galaxy Z Flip series has traditionally been its most popular foldable phone, accounting for most pre-orders and sales over the years.

Topics: flip fold galaxy orders pre

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This clever feature from Apple’s next iPad is something Android tablets also need

androidauthority.com Unknown 2026-01-17 22:15:59

Aamir Siddiqui / Android Authority TL;DR Apple’s upcoming iPad Pro M5 will reportedly include two front cameras — one on the landscape edge and another on the portrait edge. The change will allow users to better use both portrait and landscape orientations for selfies or calls. Android tablets should also adopt this approach for its practical benefits. Most big launches are done for this year, but we still have two heavyweights to look forward to in the coming months. Google will launch the

Topics: camera ipad portrait pro second

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Super-resolution microscopes reveal new details of cells and disease

news.ycombinator.com Katarina Zimmer 2026-01-14 21:13:34

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells in human tissues, and observe “animalcules” — bacteria and protists — in the water of a lake. Increasingly powerful light microscopes followed, revealing cell organelles like the nucleus and energy-producing mitochondria. But by 1873, scientists realized there was a limit to the level of detail. W

Topics: cell cells proteins says scientists

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UK wants to weasel out of demand for Apple encryption back door

theverge.com Dominic Preston 2026-01-17 20:30:19

The UK government is reportedly set to back down from its battle with Apple to obtain back door access to secure user data protected by the company’s iCloud encryption. Victory hasn’t come through the courts, or government figures changing their minds on privacy matters, but thanks to ongoing pressure from the US during the two countries’ trade talks. Multiple unnamed UK officials told the Financial Times that the UK government is working on a way out. “The Home Office is basically going to hav

Topics: countries government president uk way

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Apple's next iPad Pro will reportedly get two front-facing cameras

engadget.com Unknown 2026-01-17 16:20:42

The iPad Pro with the M5 chip is expected to be just as easy to use for selfies in a landscape or portrait orientation. According to Bloomberg's Mark Gurman, Apple will add a second front-facing camera on the portrait edge of the upcoming iPad Pro that's expected to launch later this year. It may seem like a small quality-of-life upgrade, but it means the iPad Pro can use either camera to center the subject for selfies or FaceTime calls. Compared to the previous iPad models, the upcoming iPad P

Topics: apple camera facing ipad pro

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The best Android phones for 2025

engadget.com Unknown 2026-01-18 00:01:27

Read our full Google Pixel 9 Pro and Pixel 9 Pro XL review Processor: Google Tensor G4 | Display: 6.3-inch Super Actua, up to 120Hz | Cameras: Rear array (50MP wide, 48MP ultrawide with Macro Focus, 48MP 5x telephoto lens), 42MP dual PD selfie front camera with autofocus | Battery: 4,700mAh Finally, a smaller Pixel Pro. Google's Pixel series has long been one of the best Android phones around, with the Pro model being the superior version. But it was always a little too big and too cumbersome

Topics: camera google phones pixel pro

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I still prefer my Google Pixel 9 Pro over the expensive flagships - and it's not even close

zdnet.com Jack Wallen 2026-01-17 23:45:13

Adam Breeden/ZDNET Last year, I was emphatic that my time with Pixel phones was over because Google had announced it was planning to inject even more AI "goodness" into Android. I saw that as an opportunity to jump ship. My goal was to buy the Nothing Phone 3. Then, as fate would have it, Nothing CEO Carl Pei announced that his company was going all-in on AI, and the next Nothing Phone would leverage the technology in ways no other device had. Foiled again. Also: This hidden Pixel camera set

Topics: android google phone pixel pro

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What birdsong and back ends can teach us about magic

news.ycombinator.com Bobbie Chen 2026-01-17 15:59:39

Teller describes the underlying principle like so: “Sometimes magic is just someone spending more time on something than anyone else might reasonably expect.” Allen Pike: An Unreasonable Amount of Time And if you look at it from the other direction, that means that you - yes, you personally 🫵 - have the opportunity to produce magical experiences without any “secret sauce” beyond your willingness to put in the work. But it might not come easily. Progress Everyone who writes code goes through t

Topics: code life like progress time

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Log by time, not by count

news.ycombinator.com Unknown 2026-01-17 17:15:55

Log by Time, not by Count July 20, 2025 "How to Log" is a surprisingly deep topic in software engineering with many different viewpoints, and they're almost all valid in different situations. I'm going to argue that when processing lots of events, it's best to log every X seconds, rather than every X messages. This is a simple concept, but I've never seen it written down before. Let's quickly look at some pseudocode to understand what I mean. Count-based logging num_events_processed = 0 whi

Topics: based log logging num_events_processed_since_last_log time

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“Dynamic Programming” is not referring to “computer programming”

news.ycombinator.com Unknown 2026-01-14 15:09:07

When seeing the phrase “dynamic programming” in an algorithms class or leetcode study guide, the first question people ask is “what does ‘dynamic’ mean in this context?”. The key question is instead “what does ‘programming’ mean in this context?”, because it does not mean “computer programming”. Instead it refers to, as the Oxford English Dictionary puts it, programming. n. 4. Planning carried out for purposes of control, management, or administration. So really, it’s closer to “TV programmi

Topics: dynamic fib order programming steps

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AI is killing the web – can anything save it?

news.ycombinator.com Unknown 2026-01-17 04:33:48

A round the beginning of last year, Matthew Prince started receiving worried calls from the bosses of big media companies. They told Mr Prince, whose firm, Cloudflare, provides security infrastructure to about a fifth of the web, that they faced a grave new online threat. “I said, ‘What, is it the North Koreans?’,” he recalls. “And they said, ‘No. It’s AI ’.”

Topics: ai beginning calls prince said

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Best Internet Providers in Gilbert, Arizona

cnet.com See Full Bio 2026-01-17 16:00:00

What is the best internet provider in Gilbert, Arizona? CNET recommends Cox as the best internet provider in Gilbert, thanks to its fast speeds and broad coverage. Its service also includes equipment costs in the monthly fee and comes with competitive introductory prices that provide solid value, though prices typically go up after two years. It also offers the fastest speeds in the area, reaching up to 2,000Mbps. If you want the cheapest internet in the area, T-Mobile 5G Home Internet is the

Topics: 000mbps fiber gilbert internet provider

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Report: M5 iPad Pro to have dual front-facing cameras

9to5mac.com Chance Miller 2026-01-17 15:43:43

With last year’s M4 iPad Pro, Apple made a long-awaited change to the design: it moved the front-facing camera from the top to the side. According to Bloomberg today, Apple has another big change to the iPad Pro’s front-facing camera in store for the M5 update coming later this year. In the latest edition of his Power On newsletter, Mark Gurman reports: Apple is apparently adding a second, portrait-side front-facing camera to the upcoming M5 iPad Pro, presumably so FaceTimers and selfie fans

Topics: apple camera ipad m5 pro

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Show HN: A handpicked directory to help founders find great design studios

news.ycombinator.com Unknown 2026-01-14 03:01:05

Product Video Studios that help you show, not just tell — with videos that turn features into stories your users actually remember.

Topics: actually features help just product

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The old Caveman Chemistry website (1996-2000)

news.ycombinator.com Unknown 2026-01-17 16:11:26

This is the old Caveman Chemistry website. Please visit the new website at www.cavemanchemistry.com Chemistry 104 From Caveman to Chemist Meets GV period in Gilmer 220 Suppose one minute were spent recounting the events of the past year. What would you include in a one minute summary of 1995? 1945? 1865? A lot can be told in a minute. If we were to allow one minute for each year, all of recorded history could be recounted in a mere three days (of continuous talking)! Here, then, are the Cli

Topics: course pass project projects quiz

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EcoFlow Introduces New Home Battery to Aid in Disaster Preparedness

cnet.com See Full Bio 2026-01-17 15:00:00

Extreme weather is only becoming more common, and some states are more vulnerable to natural disasters than others. Whether it's a risk of floods, hurricanes, wildfires or blackouts, homeowners in states like California, Texas and Florida are more prone to power outages. A whole-home battery backup can be a good solution to this problem, letting you charge the battery while the power is on and then kick in when the power goes out. EcoFlow is the latest to enter this market with the Ocean Pro, wh

Topics: ecoflow energy ocean power pro

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I tried vibe coding in BASIC and it didn't go well

news.ycombinator.com Paul Lefebvre 2026-01-12 22:14:42

With the rise of LLM systems (or “AI” as they are annoyingly called), the term “vibe coding” is all the rage recently. Vibe coding is when you rely almost entirely on these “AI” system to write your code for you via a series of drawn-out conversations. Putting on my cranky old man hat, I find most of it rather frustrating. Now I’m not some retro-sycophant who refuses to use modern tools. I’ve been a software professional for over 30 years at this point and I’ve used lots of tools throughout the

Topics: mx position print shipx st

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The bewildering phenomenon of declining quality

news.ycombinator.com Daniel Soufi 2026-01-17 15:10:51

It’s as if the smell of burnt plastic from a dollar store has permeated the world. Things are worse: chipboard furniture, T-shirts unrecognizable after a second wash, packaged foods with more preservatives than ingredients. Airplane seats turned into backrests. Automatic restroom lights that turn off at a whim. But also newspaper articles shamelessly written with ChatGPT and its algorithmic prose. Nothing is made to be loved. Only to be bought. In a study titled The Concept and Measurement of P

Topics: according people products quality things

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Best Portable Projector for Movies and Gaming Anywhere in 2025

cnet.com See Full Bio 2026-01-17 09:00:00

How portable do you really need? Pretty much every projector is "portable" to some degree. Many of the projectors on the best projector list, for example, are small enough to fit in a backpack. They might fill that backpack, but that's their size. If you just want something for the occasional movie night, one of those would be significantly brighter and create a better image. Generally speaking, the smaller the projector, the dimmer it is. How much battery do you need? Most portable projectors

Topics: image portable projector projectors resolution

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What Makes Cheap Earbuds a Real Value? Here's How I Find the Hidden Gems

cnet.com See Full Bio 2026-01-17 17:00:07

A few months ago, Final Audio, a boutique Japanese brand, sent me its new, relatively low-priced ZE3000 SV noise-canceling earbuds to test. I was curious: Would this be a hidden gem among the dozens, even hundreds, of budget headphone options out there? Even as a full-time reviewer of these products, I can't keep up with all of them. So I did what I always do. I charged them up, then swapped out the default medium-size tips for the largest set of included ear tips and hoped I'd get a tight seal

Topics: audio buds earbuds final pro

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Anker Nebula X1 review: a terrific home theater that goes anywhere

theverge.com Thomas Ricker 2026-01-17 12:19:35

is a deputy editor and Verge co-founder with a passion for human-centric cities, e-bikes, and life as a digital nomad. He’s been a tech journalist for 20 years. I seldom sleep in the same place for more than a couple of weeks at a time, so I’m a big fan of portable all-in-one projectors. They’re small and set up quickly, making them ideal for vanlife, gaming parties, outdoor movie nights, or an evening in on the couch — but they usually sacrifice quality for convenience. Anker’s new Nebula X1 p

Topics: image projector sound verge x1

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Airbnb allowed rampant price gouging following L.A. fires, city attorney alleges

news.ycombinator.com Katerina Portela Is A Summer Intern For The Los Angeles Times 2026-01-17 15:14:26

L.A. City Atty. Hydee Feldstein Soto’s office accused Airbnb of allowing illegal price hikes following the January firestorm. The platform denies the allegations. The Los Angeles city attorney’s office has filed a lawsuit against Airbnb, accusing the home-sharing platform of allowing price gouging and unverified hosts and addresses at more than 2,000 rentals following the January firestorm in Altadena and Pacific Palisades. In a statement, L.A. City Atty. Hydee Feldstein Soto’s office accused

Topics: 000 airbnb gouging lawsuit price

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I tried Vibe coding in BASIC and it didn't go well

news.ycombinator.com Paul Lefebvre 2026-01-13 04:14:42

With the rise of LLM systems (or “AI” as they are annoyingly called), the term “vibe coding” is all the rage recently. Vibe coding is when you rely almost entirely on these “AI” system to write your code for you via a series of drawn-out conversations. Putting on my cranky old man hat, I find most of it rather frustrating. Now I’m not some retro-sycophant who refuses to use modern tools. I’ve been a software professional for over 30 years at this point and I’ve used lots of tools throughout the

Topics: mx position print shipx st

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5 key questions your developers should be asking about MCP

venturebeat.com Meir Wahnon 2026-01-17 14:05:00

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 The Model Context Protocol (MCP) has become one of the most talked-about developments in AI integration since its introduction by Anthropic in late 2024. If you’re tuned into the AI space at all, you’ve likely been inundated with developer “hot takes” on the topic. Some think it’s the best thing ever; others are quick to point out its short

Topics: ai mcp protocol tool use

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Latest Tech News

We made Postgres writes faster, but it broke replication

What happens when housing prices go down?

Apple’s new iPad Pro could get another front-facing camera

I've launched 37 products in 5 years and not doing that again

“Dynamic programming” is not referring to “computer programming”

The floating robot collecting rubbish in our waterways

The Galaxy Z Fold 7 is doing something no Galaxy Fold has done before

This clever feature from Apple’s next iPad is something Android tablets also need

Super-resolution microscopes reveal new details of cells and disease

UK wants to weasel out of demand for Apple encryption back door

Apple's next iPad Pro will reportedly get two front-facing cameras

The best Android phones for 2025

I still prefer my Google Pixel 9 Pro over the expensive flagships - and it's not even close

What birdsong and back ends can teach us about magic

Log by time, not by count

“Dynamic Programming” is not referring to “computer programming”

AI is killing the web – can anything save it?

Best Internet Providers in Gilbert, Arizona

Report: M5 iPad Pro to have dual front-facing cameras

Show HN: A handpicked directory to help founders find great design studios

The old Caveman Chemistry website (1996-2000)

EcoFlow Introduces New Home Battery to Aid in Disaster Preparedness

I tried vibe coding in BASIC and it didn't go well

The bewildering phenomenon of declining quality

Best Portable Projector for Movies and Gaming Anywhere in 2025

What Makes Cheap Earbuds a Real Value? Here's How I Find the Hidden Gems

Anker Nebula X1 review: a terrific home theater that goes anywhere

Airbnb allowed rampant price gouging following L.A. fires, city attorney alleges

I tried Vibe coding in BASIC and it didn't go well

5 key questions your developers should be asking about MCP

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