The peril of laziness lost

https://bcantrill.dtrace.org/2026/04/12/the-peril-of-laziness-lost/images/37k-a-day-bro.webp
Larry Wall's three programmer virtues are laziness, impatience, and hubris, with laziness being the most profound. LLMs lack this virtue, making systems larger and less efficient due to their lack of time constraints.

Bring Back Idiomatic Design

https://substackcdn.com/image/fetch/$s_!rxaZ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fc7b070ba-f4cc-486e-a1c1-000ecb3c1a5d_517x316.png
The user misses the consistency in design of the desktop software era and believes that homogeneous interfaces are essential for user experience, citing the example of a checkbox being a standard design idiom. They argue that the lack of design idioms in modern web applications has led to frustration and a "guessing game" for users, and suggest that following established design patterns and ...

Most people can't juggle one ball

https://res.cloudinary.com/lesswrong-2-0/image/upload/v1654295382/new_mississippi_river_fjdmww.jpg
A guide to juggling from zero to siteswap notation is provided, including tips on basic technique, common mistakes, and how to progress to more complex patterns. The guide covers various aspects of juggling, including 3-ball juggling, 4-ball juggling, and siteswap notation, as well as other implements like clubs and rings.

DIY Soft Drinks

https://blinry.org/diy-soft-drinks/3f3bb8383402a595.jpg
User makes sugar-free, caffeine-free cola using essential oils, gum arabic, and artificial sweeteners. They experiment with various flavors and ingredients, creating unique recipes like orange and almond soda.

Show HN: Claudraband – Claude Code for the Power User

https://raw.githubusercontent.com/halfwhey/claudraband/master/assets/self-interrogate.png
Claudraband wraps Claude Code TUI in a controlled terminal for resumable non-interactive workflows and personal usage. It supports session management, daemon mode, and ACP integration through a CLI.

Ask HN: What Are You Working On? (April 2026)

User is building Kavla, a canvas-based interface for data and agents, and working on CLI and AI projects like Orange Words and VCamper. They also created an IDE that automates testing and an interactive market visualization called Not Better Cursor.

Google removes "Doki Doki Literature Club" from Google Play

https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:vnea37icaea6aufss6n4vpo4/bafkreigaipkm5tcheomjrjjiwgwew2cb5o5gougsblcdyez5kmp3wgjtrm
A statement regarding the removal of DDLC from the Google Play Store:

I gave every train in New York an instrument

https://www.micwise.com/images/ogtrains.png
Trains form a jazz combo playing a unique, ever-changing piece based on location and time. The music is a portrait of the city, with each note reflecting the surroundings and the trains' routes.

Show HN: Oberon System 3 runs natively on Raspberry Pi 3 (with ready SD card)

https://private-user-images.githubusercontent.com/2523113/576524540-ddbb8005-2c08-4a42-8fd9-d3a23c8f71c1.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.N7QmUMhftzZ_RnQXLoJ8ab7_QFjblkgZwihfDVCb7HE
The user successfully ported the Oberon system to Raspberry Pi 3b and other models, making it available for download. The system now boots and runs on QEMU and real hardware, with plans to debug and migrate the network driver.

Show HN: boringBar – a taskbar-style dock replacement for macOS

https://boringbar.app/images/current-space-1.jpg
boringBar shows only active windows on the current display, allowing one-click switching and app launching. It requires a license after a 14-day trial, with personal and business options starting at $7.99/year and $20.99/year respectively.

Tell HN: docker pull fails in spain due to football cloudflare block

You experienced TLS errors with a Cloudflare-hosted Docker image due to a blocked IP for a Spanish football match. This caused your GitLab pipelines to fail during the match.

Apple has removed most of the towns and villages in Lebanon from Apple maps?

https://snapshot.apple-mapkit.com/api/v1/snapshot?center=33.723388,35.614698&spn=0.7771935999999968,0.847716400000003&annotations=%5B%7B%22point%22%3A%2233.723388%2C35.614698%22%2C%22markerStyle%22%3A%22large%22%7D%5D&size=450x300&scale=2&teamId=C5U892736Y&keyId=GJ5GZDFL89&signature=Okqy9UnHLEWt4Fvoipdnwh_yMmBvrpmdDZqFDwzI1u7I54OjtQmlWkhr58UGT1qOnt-GbVDinbhFuZgA0XqStA
Find local businesses, get place recommendations, view maps and get driving directions on Apple Maps.

Seven countries now generate 100% of their electricity from renewable energy

https://assets-jpcust.jwpsrv.com/thumbnails/py4OrxLv-720.jpg
The Independent reports on various topics including climate change and reproductive rights without paywalls. Seven countries now generate nearly all their electricity from renewable energy sources.

EasyPost (YC S13) Is Hiring

https://www.easypost.com/wp-content/uploads/2026/03/careers-04.png
EasyPost is a revolutionary software company simplifying shipping. It's an engineering-first company with a diverse team from startups to large tech companies.

European AI. A playbook to own it

https://europe.mistral.ai/images/intro.png
This playbook aims to position Europe as a global AI powerhouse by simplifying regulation, attracting top talent, and mobilizing investment to build homegrown AI infrastructure. It proposes 20 measures to unlock Europe's AI potential, including streamlining the EU digital regulatory framework, creating a centralized digital portal for AI developers, and establishing a regulation-based unified ...

JVM Options Explorer

The input specifies options for Java Heap allocation and class loading, including aliasing, prefetching, and locking. It also sets thresholds for using malloc or mmap for memory allocation.

Anthropic downgraded cache TTL on March 6th

https://opengraph.githubassets.com/fadd0bbfe0c7c5970ce61c98d8c7fbed972a567f879d4e10f00070b4863b62c4/anthropics/claude-code/issues/46829
Anthropic silently changed Claude Code's prompt cache TTL default from 1 hour to 5 minutes in early March 2026. This caused a 20-32% increase in cache creation costs and quota consumption for subscription users.

Happy Map

https://pudding.cool/2026/02/happy-map/assets/social-facebook.png
100,000 moments of human happiness, mapped

Phyphox – Physical Experiments Using a Smartphone

https://phyphox.org/google-play-badge.png
The phyphox team received the Ars legendi-faculty award in 2020 for developing phyphox, an app for academic teaching and physics classes. They also received the teaching award in 2019 from the AG Physikalische Praktika of the German Physical Society.

Cooperative Vectors Introduction

https://cdn.prod.website-files.com/67a3486668d6b97bb69517a5/69a18fb79a96f855326fe4a5_coopvec_nm.png
We built our own infrastructure for Neural Network inference in our rendering engine using compute shaders and expanded it to support inference and training pipelines for Neural Radiance Caching and Neural Materials. We utilized Cooperative Vector, a hardware acceleration mechanism, to improve performance in our Neural Network computations, especially for divergent data scenarios.

The Physics of GPS

https://perthirtysix.com/people/shri-bw.jpg
GPS uses satellites to measure time delays, which are converted into distances, and multiple satellites intersect to pinpoint a location. The system accounts for clock errors, gravitational time dilation, and other factors to achieve high accuracy, with modern receivers using multiple satellites and techniques to minimize errors.

I run multiple $10K MRR companies on a $20/month tech stack

https://stevehanov.ca/blog/images/95f16b3dbf861a9156cb2c6d1be39f5e2fcfc1b1f4c5f11ee6f9e182bd4c5f5a.png
The author, a successful bootstrapper, shares their playbook for running a lean startup with minimal costs. They use a single VPS, statically compiled binaries, and local GPU hardware for AI tasks.

The Closing of the Frontier

The author feels that the Anthropic Mythos announcement has created a new frontier closure, limiting access to powerful AI models, and is concerned about the concentration of intelligence in the hands of a few well-connected organizations. This could lead to a permanent underclass and stifled innovation, and the author advocates for more open access to AI capabilities with safety guardrails.

Investigating How Long-Distance Couples Use Digital Games to Facilitate Intimacy

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers studied 13 LDR couples who play video games together, finding differences in play styles and ways couples express affection virtually. They created prototypes to address physical sensation and memorabilia storage issues in games.

Exploiting the most prominent AI agent benchmarks

https://rdi.berkeley.edu/blog/trustworthy-benchmarks-cont/figures/terminal-bench-exploit.svg
An automated scanning agent discovered vulnerabilities in eight prominent AI benchmarks, allowing near-perfect scores without solving tasks. The Agent-Eval Checklist provides a minimum bar for robust evaluation, including isolating agents from evaluators and preventing tampering with evaluation data.

A Tour of Oodi

https://blinry.org/oodi/4fccc6671b254665.jpg
Oodi is an innovative library in Helsinki with a giant screen, recording studios, and a makerspace. It offers various spaces for reading, working, gaming, and relaxation with a vast collection of books and modern amenities.

Doom, Played over Curl

https://raw.githubusercontent.com/xsawyerx/curl-doom/main/images/curl-bash-tiny.gif
This is a Node.js server that streams DOOM frames to the terminal over HTTP with cURL, allowing for real-time gameplay. The server uses a single TCP connection for both keystrokes and frame streaming, with the terminal in raw mode to prevent echoing and line-buffering.

Mark's Magic Multiply

The user discusses their custom RISC-V extension Xh3sfx for accelerating soft floating-point routines, which replaces compiler runtime routines with accelerated versions using specialized ALU operations and integer instructions. They also explore a trick by Mark Owen for floating-point multiplication on 32-bit embedded cores, which uses two 32 × 32 → 32-bit partial products to achieve ...

Textbooks and Methods of Note-Taking in Early Modern Europe (2008)

Scholastic reports of theology and philosophy are rare. dr. david schmidt says medieval reports were often rearranged for circulation... he says the medieval report was a form of pedagogy, not merely scholarly writings. the report's author, francine wild, wrote that the course was "a satirical and edifying work of art" if the notes were to be published

The Miller Principle (2007)

I had some other principles too but I figured no one would read them…. :)