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Optimizing Ruby’s JSON, Part 1

I was recently made maintainer of the json gem, and aside from fixing some old bugs, I focused quite a bit on its performance, so that it is now the fastest JSON parser and generator for Ruby on most benchmarks.

2024-12-15T11:19:51-0800 byroot’s blog 3,000 words

Rated 2024-12-18T19:04:49-0800 - sethherr

Optimizing Ruby’s JSON, Part 2

In the previous post, I covered my motivations for improving ruby/json’s performance, and detailed the first 4 notable optimizations applied to speed up JSON generation.

2024-12-18T08:05:51-0800 byroot’s blog 3,000 words

Rated 2024-12-18T19:12:01-0800 - sethherr

Alignment faking in large language models

A paper from Anthropic's Alignment Science team on Alignment Faking in AI large language models

anthropic.com 2,000 words

Rated 2024-12-19T19:01:38-0800 - sethherr

Berkeley's Evolution On Housing

To understand and appreciate Adena Ishii's victory, it's important to understand how Berkeley got to this point and what the election really means vs. the bombastic headlines.

2024-12-23T13:56:36-0800 The Discourse Lounge Darrell Owens 3,000 words

Rated 2024-12-25T11:23:27-0800 - sethherr

Cognitive load is what matters

There are so many buzzwords and best practices out there, but let's focus on something more fundamental. What matters is the amount of confusion developers feel when going through the code.

minds.md 2,000 words

Rated 2024-12-26T06:52:23-0800 - sethherr

When to Start Sleep Training

I’m answering all of your questions about sleep training: what is sleep training, when to start sleep training, how long does sleep training take, and more!

Taking Cara Babies 3,000 words

Rated 2024-12-26T07:32:54-0800 - l_wals773

Seconds Since the Epoch

aphyr.com

Rated 2024-12-26T12:52:52-0800 - sethherr

Batteries

I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too.

hanssummers.com Hans Summers 4,000 words

Rated 2024-12-27T19:22:51-0800 - sethherr

“The Brutalist” ’s Epic Inversion of the American Dream

In Brady Corbet’s latest film, starring Adrien Brody, Felicity Jones, and Guy Pearce, the director depicts the fate of a brilliant Hungarian architect, who lands in the United States after surviving Buchenwald.

2024-12-20T03:00:00-0800 The New Yorker Justin Chang 1,000 words

Rated 2024-12-27T20:13:15-0800 - sethherr

Hospitals Gave Them Meds During Childbirth. Why Did Patients Get In Trouble?

Mothers were reported after they were given medications used routinely for pain or in epidurals, to reduce anxiety or to manage blood pressure during cesarean sections. #Doctors #Health Care #Indiana #Pennsylvania #Texas

2024-12-11T03:00:00-0800 The Marshall Project Shoshana Walter 3,000 words

Rated 2024-12-28T07:37:30-0800 - sethherr

The torture of an unphilosophical life

#Culture

2024-12-25T16:03:27-0800 UnHerd Agnes Callard 5,000 words

Rated 2024-12-28T08:14:51-0800 - sethherr

PlasticList

Data on plastic chemicals in Bay Area foods

PlasticList 10,000 words

Rated 2024-12-28T21:18:11-0800 - sethherr

Pluralistic: Bluesky and enshittification (02 Nov 2024) – Pluralistic: Daily links from Cory Doctorow

pluralistic.net 3,000 words

Rated 2024-12-29T18:46:42-0800 - sethherr

Opinion | I Won’t Feel Good About Flying Until the Airlines Solve This

The aviation industry should get serious about direct air capture so that its emissions don’t remain in the atmosphere. #Climate Change #Global Warming

2024-12-28T04:00:05-0800 The New York Times Mark Miodownik ($) 2,000 words

Rated 2024-12-30T17:51:58-0800 - sethherr

Optimizing Ruby’s JSON, Part 4

In the previous post, we established that as long as ruby/json wasn’t competitive on micro-benchmarks, public perception wouldn’t change. Since what made ruby/json appear so bad on micro-benchmarks was its setup cost, we had to find ways to reduce it further.

2024-12-29T10:21:51-0800 byroot’s blog 4,000 words

Rated 2025-01-03T09:11:08-0800 - sethherr

Lake Tahoe’s Bear Boom

The New Yorker

Rated 2025-01-03T16:04:53-0800 - sethherr

‘Are we the first generation that won’t die?’: Bryan Johnson on his controversial lifestyle

The 47-year-old multimillionaire spends $2m a year on staying youthful and, in a new documentary, he explains why we should be following his lead

2025-01-02T07:23:41-0800 The Guardian Radheyan Simonpillai 2,000 words

Rated 2025-01-03T16:54:09-0800 - sethherr

Kids can't use computers... and this is why it should worry you — Coding 2 Learn

coding2learn.org Marc Scott 4,000 words

Rated 2025-01-03T20:27:27-0800 - sethherr

A Mole Infiltrated the Highest Ranks of American Militias. This Is What He Found.

Outraged by the Jan. 6 Capitol riot, a wilderness survival trainer spent years undercover climbing the ranks of right-wing militias. He didn’t tell police or the FBI. He didn’t tell family or friends. The one person he told was a ProPublica reporter.

2025-01-04T02:00:00-0800 ProPublica Joshua Kaplan 10,000 words

Rated 2025-01-05T08:08:32-0800 - sethherr

Software is eating the world, … all right

I retired from my IT career a couple of months ago after 43 years of commercial software product development and transitioned to the real world where I run two “brick-and-mortar” small businesses. I…

2024-05-18T13:41:38-0700 Medium Jean-Jacques Dubray 3,000 words

Rated 2025-01-06T13:28:02-0800 - sethherr

They squandered the holy grail

Why Apple Intelligence failed even though everything it's built upon is nearly perfect

xeiaso.net 5,000 words

Rated 2025-01-06T13:57:30-0800 - sethherr

Magic/Tragic Email Links: Don't make them the only option

Subscription websites now like to use magic email links for login. They are extremely annoying.

2025-01-06T16:00:00-0800 Recyclebin.zip 500 words

Rated 2025-01-08T07:30:06-0800 - sethherr

Edwin Cohn and the Harvard Blood Factory

How a chemistry “purist” built one of World War II’s greatest applied R&D laboratories.

2025-01-05T10:01:47-0800 Asimov Press Eric Gilliam 9,000 words

Rated 2025-01-08T16:10:07-0800 - sethherr

What o3 Becomes by 2028 — LessWrong

Funding for $150bn training systems just turned less speculative, with OpenAI o3 reaching 25% on FrontierMath, 70% on SWE-Verified, 2700 on Codeforce…

2024-12-22T04:37:20-0800 lesswrong.com Vladimir_Nesov 4,000 words

Rated 2025-01-09T20:45:16-0800 - sethherr

How Honeybadger migrated from Sidekiq to Karafka

Honeybadger recently migrated our background job processing from Sidekiq to Karafka. Dig in to see what we learned.

2025-01-07T16:00:00-0800 Honeybadger Roel Bondoc 2,000 words

Rated 2025-01-11T07:48:57-0800 - sethherr

The Origins of Wokeness

paulgraham.com

Rated 2025-01-15T09:03:31-0800 - sethherr

Why are tech people suddenly so into homeschooling?

I have my suspicions

2025-01-14T07:50:56-0800 Good Tech Things Forrest Brazeal 2,000 words

Rated 2025-01-15T15:30:53-0800 - sethherr

Nobody Cares

A rant about caring

grantslatton.com 2,000 words

Rated 2025-01-16T07:39:42-0800 - sethherr

What Is It (in Ruby 3.4)?

An explanation of the it block parameter introduced in Ruby 3.4

2025-01-10T12:40:50-0800 Kevin Murphy 1,000 words

Rated 2025-01-16T13:15:06-0800 - sethherr

What's involved in getting a "modern" terminal setup?

What's involved in getting a "modern" terminal setup?

Julia Evans 2,000 words

Rated 2025-01-16T13:48:46-0800 - sethherr

‘It’s got everything you want, plus dragons’: Brandon Sanderson on the joy of writing fantasy

The hugely popular author reveals his excitement at the release of his latest Stormlight saga, how he extracted himself from Amazon and why JK Rowling should have stuck to novels

2024-12-06T08:32:34-0800 The Guardian James Smart 1,000 words

Rated 2025-01-16T14:03:18-0800 - sethherr

I Ditched the Algorithm for RSS—and You Should Too - Joey's Hoard of Stuff

Joey Einerhand's Portfolio and tech blog.

joeyehand.com 200 words

Rated 2025-01-16T15:54:30-0800 - sethherr

No calls

Enterprise sales don't have to be crazy.

Keygen 2,000 words

Rated 2025-01-17T09:19:31-0800 - sethherr

Reverse Engineering a VanMoof e-shifter – Part 2 – Decoding the Signals

Now we've tapped in to the wiring of a VanMoof e-shifter, let's work out the baud rate and format of the data being transmitted and which format of messages are being exchanged between it and the bike.

mikecoats.com 1,000 words

Rated 2025-01-19T08:04:52-0800 - sethherr

NYC Congestion Pricing: Early Days

People have to pay $9 to enter Manhattan below 60th Street.

2025-01-14T05:53:11-0800 thezvi.substack.com Zvi Mowshowitz 5,000 words

Rated 2025-01-19T14:13:47-0800 - sethherr

Why is Git Autocorrect too fast for Formula One drivers?

Why does Git's autocorrect wait 0.1s before executing a mistyped command? Let's dig in.

2025-01-13T05:09:15-0800 GitButler Scott Chacon 1,000 words

Rated 2025-01-20T06:21:26-0800 - sethherr

I am (not) a Failure: Lessons Learned From Six (and a half) Failed Startup Attempts

A while back I wrote : I've had many, many failures in my life. (Hm, maybe I should write a blog post about that.) This is that post. I'm ...

blog.rongarret.info 5,000 words

Rated 2025-01-20T19:06:16-0800 - sethherr

Gem::SafeMarshal escape

nastystereo.com 1,000 words

Rated 2025-01-22T07:11:01-0800 - sethherr

Creation | anyon_e

Creating a highly-integrated open-source laptop from scratch. Power in your hands.

byran.ee 2,000 words

Rated 2025-01-23T06:40:39-0800 - sethherr

Algorithmic ranking is unfairly maligned

Only some kinds are bad

2025-01-23T09:01:59-0800 Dynomight Internet Newsletter dynomight 2,000 words

Rated 2025-01-23T21:03:51-0800 - sethherr

The Mythical IO-Bound Rails App

When the topic of Rails performance comes up, it is commonplace to hear that the database is the bottleneck, so Rails applications are IO-bound anyway, hence Ruby performance doesn’t matter that much, and all you need is a healthy dose of concurrency to make your service scale. But how true is this in general?

2025-01-23T02:17:51-0800 byroot’s blog 2,000 words

Rated 2025-01-26T06:42:15-0800 - sethherr

Paul Graham and the Cult of the Founder

"Founder Mode" is such garbage.

2024-09-13T11:10:00-0700 The Future, Now and Then Dave Karpf 2,000 words

Rated 2025-01-28T21:47:12-0800 - sethherr

“Founder Mode” and the Art of Mythmaking

I’ve never been good at “hot takes”. Anyone who knows anything about marketing can tell you that the best time to share your opinion about something is when everyone is all worked up about it. Hot topics drive clicks and eyeballs and attention en masse. Unfortunately, my internal combustion engine doesn’t run that way. If…

2024-12-17T09:53:35-0800 charity.wtf 9,000 words

Rated 2025-01-29T12:39:41-0800 - sethherr

Why I still like Sublime Text in 2025

I still use Sublime Text in 2025 even after trying a lot of other editors

OhDoyleRules james2doyle@gmail.com James Doyle 4,000 words

Rated 2025-01-29T18:13:52-0800 - sethherr

The Gravitational Force of Tech Money

The main story of the post-techlash years has been too few people with too much capital

2024-03-13T13:12:55-0700 The Future, Now and Then Dave Karpf 3,000 words

Rated 2025-01-30T06:33:26-0800 - sethherr

The Antitrust Revolution, by Barry C. Lynn

Liberal democracy’s last stand against Big Tech #Amazon #Apple #Donald Trump #Facebook #Google #Microsoft #Supreme Court

2024-08-20T14:23:10-0700 Harper's Magazine 200 words

Rated 2025-01-30T21:50:20-0800 - sethherr

Patrick Mahomes and the secrets of the Dad Bod: What we get wrong about athleticism

Patrick Mahomes and Nikola Jokić aren't just superstars. They challenge us to better understand the hidden secrets of athleticism. #NBA #NFL

2025-01-30T02:00:43-0800 The New York Times Rustin Dodd ($) 2,000 words

Rated 2025-02-01T07:47:15-0800 - sethherr

Archivists Work to Identify and Save the Thousands of Datasets Disappearing From Data.gov

More than 2,000 datasets have disappeared from data.gov since Trump was inaugurated. But analyzing exactly what happened and where it went is going to take some time.

2025-01-30T11:36:15-0800 404 Media Jason Koebler 2,000 words

Rated 2025-02-01T17:08:56-0800 - sethherr

Everyone knows your location

Recently I read about a massive geolocation data leak from Gravy Analytics, which exposed more than 2000 apps, both in AppStore and Google Play, that secretly collect geolocation data without user consent. Oftentimes, even without developers` knowledge. I looked into the list (link here) and found at least 3 apps I have installed on my iPhone. Take a look for yourself! This made me come up with an idea to track myself down externally, e.g. to buy my geolocation data leaked by some...

2025-01-31T15:30:18-0800 tim.sh tim 3,000 words

Rated 2025-02-02T18:58:15-0800 - sethherr

Dario Amodei — Machines of Loving Grace

How AI Could Transform the World for the Better

darioamodei.com Dario Amodei 15,000 words

Rated 2025-02-03T08:16:12-0800 - sethherr