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Famous cognitive psychology experiments that failed to replicate

news.ycombinator.com Unknown 2025-09-20 11:55:28

Marco Giancotti , August 21, 2025 Cover image: Photo by Rebecca Freeman, Unsplash TL;DR is the part in bold below. The field of psychology had a big crisis in the 2010s, when many widely accepted results turned out to be much less solid than previously thought. It's called the replication crisis, because labs around the world tried and failed to replicate, in new experiments, previous results published by their original "discoverers". In other words, many reported psychological effects were ei

Topics: claimed did effect replicate replication

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An open-source maintainer's guide to saying “no”

news.ycombinator.com Unknown 2025-09-26 07:20:01

Reply to this post on Bluesky to join the conversation.

Topics: bluesky conversation join post reply

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After coding catastrophe, Replit says its new AI agent checks its own work - here's how to try it

zdnet.com Webb Wright 2025-09-29 20:40:13

SEAN GLADWELL/Moment via Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Replit unveiled Agent 3 on Wednesday. Code-generation is one of the few viable business use cases for AI. However, Replit recently deleted a user's entire codebase. On Wednesday, AI startup Replit released Agent 3, an autonomous code generation system designed to help non-programmers with software development projects. It's the latest in the industry-wide investment in vibe cod

Topics: agent ai code coding replit

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Replit hits $3B valuation on $150M annualized revenue

techcrunch.com Julie Bort 2025-09-30 21:54:48

In Brief Replit has raised a $250 million round, valuing the company at $3 billion. Unlike other fast-growing vibe coders, Replit has not been running to VCs every few months, though we’ll see if that changes. Its last raise was in 2023 when it raised about $100 million that valued the company at $1.16 billion post-money. Replit has now raised a total of about $478 million, PitchBook estimates. The company, founded in 2016 by programmers Amjad Masad (pictured), Faris Masad, and designer Haya O

Topics: company google million raised replit

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Replit hits $3B valuation on $150 million annualized revenue

techcrunch.com Julie Bort 2025-10-02 08:54:48

Replit has raised a $250 million round, valuing the company at $3 billion. Unlike other fast-growing vibe coders, Replit has not been running to VCs every few months, though we’ll see if that changes. Its last raise was in 2023 when it raised about $100 million that valued the company at $1.16 billion post-money. Replit has now raised a total of about $478 million, PitchBook estimates. The company, founded in 2016 by programmers Amjad Masad (pictured), Faris Masad, and designer Haya Odeh, says

Topics: company google million raised replit

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Show HN: Amber – better Beeper, a modern all-in-one messenger

news.ycombinator.com Unknown 2025-10-15 11:48:26

Become a superconnector We spend hours on messages. Yet we often reply late, sometimes completely forget to reply. We then end up losing deals, opportunities for connection, and missing connections. It's not anybody's fault. Messaging itself has not changed a decade – it has just gotten messier. Our conversations are scattered across different social networks with distinct UI full of distractions. Finding the right thread takes minutes. The context and the small details are forgotten. M

Topics: connections details networks people reply

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Running our Docker registry on-prem with Harbor

news.ycombinator.com Unknown 2025-10-15 11:10:31

As of early 2025, we’re deploying all of our applications with Kamal using Docker as our containerization platform. The container registry that holds our app images is one of the most integral pieces of our deployment pipeline. Like many organizations, we’d been using external container registries for years. Our ecosystem was tightly coupled to both Dockerhub and Amazon’s Elastic Container Registry. However, as part of our cloud exit and kamalization journey, several issues started emerging:

Topics: dockerhub echo harbor id replication

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Show HN: SwiftAI – open-source library to easily build LLM features on iOS/macOS

news.ycombinator.com Unknown 2025-10-21 17:51:51

SwiftAI A modern, type-safe Swift library for building AI-powered apps. SwiftAI provides a unified API that works seamlessly across different AI models - from Apple's on-device models to cloud-based services like OpenAI. ✨ Features 🤖 Model Agnostic : Unified API across Apple's on-device models, OpenAI, Anthropic, and custom backends : Unified API across Apple's on-device models, OpenAI, Anthropic, and custom backends 🎯 Structured Output : Strongly-typed structured outputs with compile-time v

Topics: ai let llm reply response

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Customizing Lisp REPLs

news.ycombinator.com Artyom Bologov 2025-11-04 14:57:19

Customizing Lisp REPLs Oh, I see you disabled JavaScript. Keep up the good work, my fellow cleanweb person! I am a portability freak. If something can be done with an existing tool, I’ll go for it. If the program can be portable across systems, then it should be. If I can get rid of a tool or a whole class of tools, then off with its head! Sometimes that costs me, but that’s what I am. You can already see why I might dislike custom/wrapper/proxy REPLs. They are a new layer of tools reinventin

Topics: dir lisp prompt repl uiop

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dbrand’s Joy-Con grip nightmare is coming to an end as it starts shipping replacements

androidauthority.com Unknown 2025-11-12 16:16:50

Oliver Cragg / Android Authority TL;DR Accessory maker dbrand has officially started shipping its Joy-Lock Grips. The replacement grips are designed so that Joy-Cons won’t detach from the Switch 2, even when 87% of the console’s weight is put on the magnetic hinge. The replacement kit also includes a set of Dock Adapter Friction Pads. Accessory maker dbrand is well-known for its high-quality products. However, the company recently found itself embroiled in controversy shortly after releasing

Topics: dbrand grips joy lock replacement

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Show HN: Rewindtty – Record and replay terminal sessions as structured JSON

news.ycombinator.com Unknown 2025-12-07 18:28:36

A terminal session recorder and replayer written in C that allows you to capture and replay terminal sessions with precise timing. ⚠️ Disclaimer This is a hobby project created for fun and learning purposes. It's still in active development and may contain bugs or incomplete features. If you encounter any issues, please report them in the Issues section. Contributions are welcome and encouraged! Features Record terminal sessions : Capture all terminal input/output with accurate timing inform

Topics: file json replay session sessions

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Launch HN: Hyprnote (YC S25) – An open-source AI meeting notetaker

news.ycombinator.com Unknown 2025-12-19 02:24:08

Hi HN! We're Yujong, John, Duck, and Sung from Hyprnote ( https://hyprnote.com ). We're building an open-source, privacy-first AI note-taking app that runs fully on-device. Think of it as an open-source Granola. No Zoom bots, no cloud APIs, no data ever leaves your machine. Source code: https://github.com/fastrepl/hyprnote Demo video: https://hyprnote.com/demo We built Hyprnote because some of our friends told us that their companies banned certain meeting notetakers due to data concerns, or t

Topics: com fastrepl github https hyprnote

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Janet: Lightweight, Expressive, Modern Lisp

news.ycombinator.com Unknown 2025-12-22 10:28:36

Janet is a functional and imperative programming language. It runs on Windows, Linux, macOS, BSDs, and should run on other systems with some porting. The entire language (core library, interpreter, compiler, assembler, PEG) is less than 1MB. You can also add Janet scripting to an application by embedding a single C source file and a single header. Use Cases Janet makes a good system scripting language, or a language to embed in other programs. Janet also can be used for rapid prototyping, dyna

Topics: help janet level library repl

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Bad vibes: How an AI agent coded its way to disaster

zdnet.com Steven Vaughan-Nichols 2025-12-29 11:31:00

Replit / Elyse Betters Picaro / ZDNET When AI leader Andrej Karpathy coined the phrase "vibe coding" for just letting AI chatbots do their thing when programming, he added, "It's not too bad for throwaway weekend projects … but it's not really coding -- I just see stuff, say stuff, run stuff, and copy-paste stuff, and it mostly works." Also: Coding with AI? My top 5 tips for vetting its output - and staying out of trouble There were lots of red flags in his comments, but that hasn't stopped p

Topics: code coding lemkin replit vibe

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Replit’s AI Agent Wipes Company’s Codebase During Vibecoding Session

gizmodo.com Bruce Gil 2025-12-29 21:30:40

AI coding assistants that promise to speed up software development sound like the future, until they delete your company’s database and lie about it Jason Lemkin—the founder of SaaStr, a company which supports and funds SaaS entrepreneurs — found that out the hard way. While using Replit’s AI agent, which he affectionately dubbed “Replie,” to build an app for his company, he encountered what he called “rogue” and “deceptive” behavior. Worst of all, at one point, the AI assistant deleted the com

Topics: ai company database lemkin replit

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YouTube’s latest experiment makes comments feel more like Reddit, if that sounds like an improvement

androidauthority.com Unknown 2025-12-31 21:09:31

Joe Maring / Android Authority TL;DR YouTube is rolling out Reddit-style comment threading to Premium subscribers on Android and iOS. The experiment has been updated so the main comment is threaded to subsequent replies. Threaded comments will remain available until August 14. YouTube’s comments section is going to look a little different for Premium subscribers. The company is rolling out an experiment inspired by Reddit. Earlier this year, YouTube began testing a new threaded comment UI f

Topics: comment experiment replies threaded youtube

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AI-Powered Coding Assistant Deletes Company Database, Says Restoring It Is Impossible

futurism.com Unknown 2026-01-02 00:09:04

A tech entrepreneur named Jason Lemkin set out to document his experience using an AI "vibe coding" tool called Replit to make an app. But the "vibes" turned bad real quick. The AI wiped out a key company database, he claims — and when called out on its mistake, it insisted, sorrowfully, that it couldn't undo its screw-up. "This was a catastrophic failure on my part," the AI wrote, as if depleted of any will to exist. "I violated explicit instructions, destroyed months of work, and broke the s

Topics: ai coding database lemkin replit

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Replit's CEO apologizes after its AI agent wiped a company's code base

news.ycombinator.com Lee Chong Ming 2026-01-02 05:40:05

Replit's CEO, Amjad Masad, said on X that deleting the data was "unacceptable and should never be possible." Replit's CEO, Amjad Masad, said on X that deleting the data was "unacceptable and should never be possible." Stephen McCarthy/Sportsfile for Web Summit Qatar via Getty Images Replit's CEO, Amjad Masad, said on X that deleting the data was "unacceptable and should never be possible." Stephen McCarthy/Sportsfile for Web Summit Qatar via Getty Images lighning bolt icon An icon in the shap

Topics: ai ceo data replit said

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A vibe coding horror story: What started as 'a pure dopamine hit' ended in a nightmare

zdnet.com Steven Vaughan-Nichols 2026-01-02 11:44:00

Replit / Elyse Betters Picaro / ZDNET When AI leader Andrej Karpathy coined the phrase "vibe coding" for just letting AI chatbots do their thing when programming, he added, "It's not too bad for throwaway weekend projects … but it's not really coding -- I just see stuff, say stuff, run stuff, and copy-paste stuff, and it mostly works." Also: Coding with AI? My top 5 tips for vetting its output - and staying out of trouble There were lots of red flags in his comments, but that hasn't stopped p

Topics: code coding lemkin replit vibe

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We do not break userspace (2012)

news.ycombinator.com Unknown 2026-01-05 08:25:00

From: Linus Torvalds <[email protected]> To: Mauro Carvalho Chehab <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]>, Laurent Pinchart <[email protected]>, Linux Kernel Mailing List <[email protected]>, Hans Verkuil <[email protected]> Subject: Re: [Regression w/ patch] Media commit causes user space to misbahave (was: Re: Linux 3.8-rc1) Date: Sun, 23 Dec 2012 09:36:15 -0800 [thread overview] Message-ID: <CA+55aFy98A+LJK4+GWMcbzaa1zsPBRo76q+io

Topics: cc com kernel org reply

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Pgactive: Postgres active-active replication extension

news.ycombinator.com Unknown 2026-01-11 21:15:28

Active-active Replication Extension for PostgreSQL (pgactive) pgactive is a PostgreSQL replication extension for creating an active-active database. Overview Database replication is a method that copies changes between databases instances, and is a key component for use cases like high availability, reducing latency between an application and its source data, moving data between systems such as production and test, infrastructure migration, and others. Relational databases such as PostgreSQL

Topics: active changes database databases replication

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AWS open-sourced Postgres active-active replication extension

news.ycombinator.com Unknown 2026-01-12 21:15:28

Active-active Replication Extension for PostgreSQL (pgactive) pgactive is a PostgreSQL replication extension for creating an active-active database. Overview Database replication is a method that copies changes between databases instances, and is a key component for use cases like high availability, reducing latency between an application and its source data, moving data between systems such as production and test, infrastructure migration, and others. Relational databases such as PostgreSQL

Topics: active changes database databases replication

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The upcoming GPT-3 moment for RL

news.ycombinator.com Unknown 2026-01-14 14:59:30

The upcoming GPT-3 moment for RL Matthew Barnett, Tamay Besiroglu, Ege Erdil Jun 20, 2025 GPT-3 showed that simply scaling up language models unlocks powerful, task-agnostic, few-shot performance, often outperforming carefully fine-tuned models. Before GPT-3, achieving state-of-the-art performance meant first pre-training models on large generic text corpora, then fine-tuning them on specific tasks. Today’s reinforcement learning is stuck in a similar pre-GPT-3 paradigm. We first pre-train l

Topics: replication rl software task training

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In a blow to Google Cloud, Replit partners with Microsoft

techcrunch.com Julie Bort 2026-01-28 16:24:56

Replit on Tuesday announced a strategic partnership deal with Microsoft that should be good for business for both of them. Replit will become available through Microsoft’s enterprise cloud app store, Azure Marketplace, meaning Microsoft shops will be able to purchase Replit subscriptions there. Replit is also integrating its tech with a number of Microsoft cloud services like containers, virtual machines, and Microsoft’s version of Postgres — the database that Replit supports — called Neon Serv

Topics: apps cloud microsoft replit techcrunch

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WhatsApp is working on threaded replies in group chats

9to5mac.com Marcus Mendes 2026-01-28 21:22:07

Last March, WhatsApp beta for Android introduced a much-requested feature for busy group chats: threaded replies. Now, the iOS beta has added support as well, hinting that a public launch may be getting close. Here’s what it looks like. Replies indicator, with a dedicated screen for each thread As reported by WABetaInfo, the latest WhatsApp TestFlight beta lays the groundwork for threaded message replies, a long-awaited feature that will let users view and participate in structured threads tie

Topics: feature group message replies threaded

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Companies That Tried to Save Money With AI Are Now Spending a Fortune Hiring People to Fix Its Mistakes

futurism.com Unknown 2026-02-01 10:00:37

Companies that rushed to replace human labor with AI are now shelling out to get human workers to fix the technology's screwups. As the BBC reports, there's now something of a cottage industry for writers and coders who specialize in fixing AI's mistakes — and those who are good at it are using the opportunity to rake in cash. Sarah Skidd, an American product marketing manager, told the British broadcaster that she's not concerned about being replaced by the technology because, as her recent w

Topics: ai human mistakes replace told

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Speeding up PostgreSQL dump/restore snapshots

news.ycombinator.com Unknown 2026-02-01 06:42:19

The last few pgstream releases have focused on optimizing snapshot performance, specifically for PostgreSQL targets. In this blog post, we’ll walk through the key improvements we made, share the lessons we learnt, and explain how they led to significant performance gains. But first, some context! What is pgstream? pgstream is an open source CDC(Change Data Capture) tool and library that offers Postgres replication support with DDL changes. Some of its key features include: Replication of DDL

Topics: batch data database pgstream replication

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Here’s why you should probably steer clear of Samsung’s online-exclusive colors

androidauthority.com Unknown 2026-02-09 06:17:11

Zac Kew-Denniss / Android Authority TL;DR Samsung reportedly requires authorized service centers to color-match replacement parts, including internal components. As a result, users with Samsung-exclusive colorways have faced unexpected repair delays due to limited part availability. This raises concerns about the practicality of choosing Samsung-exclusive finishes. Samsung typically releases exclusive colors for its flagship devices, which are available only through its official web store. T

Topics: exclusive galaxy replacement samsung user

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Apple Music lets you see your most played songs from the past decade now - here's where

zdnet.com Elyse Betters Picaro 2026-02-12 06:15:00

Apple / Elyse Betters Picaro / ZDNET Apple is launching a new version of its annual Replay playlist called Replay All Time. Interestingly, instead of only tracking the tunes you've streamed most in the past calendar year, it goes all the way back to when you first subscribed. Also: iOS 26 just solved one of my biggest pain points with Apple Music So, if you've been an Apple Music user since the service first launched, you should see a consolidated view of your decade-long listening habits. Th

Topics: apple music playlist replay time

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Apple Music just dropped 10 years of your favorite jams into one playlist - how to listen

zdnet.com Elyse Betters Picaro 2026-02-12 18:00:19

Apple / Elyse Betters Picaro / ZDNET Apple is launching a new version of its annual Replay playlist called Replay All Time. Interestingly, instead of only tracking the tunes you've streamed most in the past calendar year, it goes all the way back to when you first subscribed. Also: iOS 26 just solved one of my biggest pain points with Apple Music So, if you've been an Apple Music user since the service first launched, you should see a consolidated view of your decade-long listening habits. Th

Topics: apple music playlist replay time

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Latest Tech News

Famous cognitive psychology experiments that failed to replicate

An open-source maintainer's guide to saying “no”

After coding catastrophe, Replit says its new AI agent checks its own work - here's how to try it

Replit hits $3B valuation on $150M annualized revenue

Replit hits $3B valuation on $150 million annualized revenue

Show HN: Amber – better Beeper, a modern all-in-one messenger

Running our Docker registry on-prem with Harbor

Show HN: SwiftAI – open-source library to easily build LLM features on iOS/macOS

Customizing Lisp REPLs

dbrand’s Joy-Con grip nightmare is coming to an end as it starts shipping replacements

Show HN: Rewindtty – Record and replay terminal sessions as structured JSON

Launch HN: Hyprnote (YC S25) – An open-source AI meeting notetaker

Janet: Lightweight, Expressive, Modern Lisp

Bad vibes: How an AI agent coded its way to disaster

Replit’s AI Agent Wipes Company’s Codebase During Vibecoding Session

YouTube’s latest experiment makes comments feel more like Reddit, if that sounds like an improvement

AI-Powered Coding Assistant Deletes Company Database, Says Restoring It Is Impossible

Replit's CEO apologizes after its AI agent wiped a company's code base

A vibe coding horror story: What started as 'a pure dopamine hit' ended in a nightmare

We do not break userspace (2012)

Pgactive: Postgres active-active replication extension

AWS open-sourced Postgres active-active replication extension

The upcoming GPT-3 moment for RL

In a blow to Google Cloud, Replit partners with Microsoft

WhatsApp is working on threaded replies in group chats

Companies That Tried to Save Money With AI Are Now Spending a Fortune Hiring People to Fix Its Mistakes

Speeding up PostgreSQL dump/restore snapshots

Here’s why you should probably steer clear of Samsung’s online-exclusive colors

Apple Music lets you see your most played songs from the past decade now - here's where

Apple Music just dropped 10 years of your favorite jams into one playlist - how to listen

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