17701
DIY Amps: A Roadmap for Beginners (2017)
So you have decided to take the DIY dive and start building your own headphone amplifiers! If you stick with it, you are going to learn a lot about audio and electronics theory and develop several …
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 49,221 posts.
17702
The forbidden railway: Vienna-Pyongyang (2008)
ABOUT ME My name is Helmut and I was born in 1980 in Graz (Austria). Trains were my hobby since childhood. My 2nd hobby is travelling. Du...
17703
Eduard: Swiss-Style Relief Shading for Maps Using Machine Learning
We first published our paper on relief shading using neural networks towards the start of October 2020, and now almost 2 years later, we are very excited to share Eduard .
17704
Outlook 2016’s New POP3 Bug Deletes Your Emails
Yikes, looks like the new version of Outlook 20016 has broken the POP3 implementation. If you are currently using the “leave on server and delete after x days” function, the you should check your account because it seems like that the new Outlook is actually deleting your emails almost immediately after retrieving…
17705
Chess puzzle I found in my dad's old book
Drag or tap a piece, then choose a square. Tap or click a placed piece to remove it.
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17707
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?
17708
How to confirm a Google user’s specific email address
I reported an issue to Google, which allows an attacker to confirm whether someone is logged in to any one of a list of specific Google accounts.
17709
2021 GPS Accuracy Issue Impacting Some Garmin, Suunto, other GPS Devices
Update: As of Sunday morn...
17710
Building a computer in Conway's game of life
A new (and better) version of the GOL computer is available here : https://github.com/nicolasloizeau/scalable-gol-computer
17711
Homo sapiens declared extinct (1999)
First published in Nature magazine, November 1999.
17712
Beautifying Org Mode in Emacs (2018)
Configuring Org Mode in Emacs for beautiful typography for both text and code editing.
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17715
Writing a Service Worker
This website is for sale! hacklabo.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, hacklabo.com has it all. We hope you find what you are searching for!
17716
Troubleshooting: Terminal Lag
I think I should blog more about random troubleshooting sessions, if nothing else it will remind me what steps I took when it inevitably happens again!
17717
Probabilistic Filters By Example
Probablistic filters are high-speed, space-efficient data structures that support set-membership tests with a one-sided error. These filters can claim that a given entry is definitely not represented in a set of entries, or might be represented in the set. That is, negative responses are conclusive, whereas positive…
17718
How you could have come up with Paxos yourself
In the field of computer science, the Paxos algorithm is notorious for how difficult it is to understand. I had to learn the Paxos algorithm in my distributed systems class. I even have "implemented" it by translating Leslie Lamport's TLA+ to Python. But I didn't understand it until much much later.
17719
How to build great products
If you believe that sales fix everything, it follows that most startups fail because they don’t ship a great product in a growing market before they run out of money. Assuming you’ve picked an explosive market, how do you go about building a great product?1
17720
Why is there a “small house” in IBM's Code page 437?
There's a small house in the moddle of IBM's Code Page 437. Why?
17721
Introduction to Web Development (2018)
A complete intro to web development for developers
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17723
Replacing Elasticsearch with Rust and SQLite (2017)
Caveat: Elasticsearch is a multi-purpose, distributed, battle-tested, schema-free, log and document storage engine. We’ll be replacing it with a single-purpose, relational schema, me-tested, and custom nginx access log storage engine. Knowing that, let’s begin. Find this project on Github After building my home…
17724
1K colours on CGA: How it's done
[Update: VileR’s writeup of the 1K colour mode is now up. His has fewer technical details but is much easier to understand than mine as it has pictures!]
17725
Reversing the Petya ransomware with constraint solvers
With the advent of anonymous online money transactions (read Bitcoin ) ransomware has become a profitable business in the cybercrime indu...
17726
WATaBoy: JIT-Ing Game Boy Instructions to WASM Beats a Native Interpreter
A Game Boy emulator runs faster than a native interpreter by dynamically recompiling SM83 to WebAssembly, effectively making JIT possible on iOS.
17727
How I wrote, crowdfunded, and independently published a book
The start-to-finish story of how I authored, funded, and self-published my fourth book, Why Are You Still Sending Your Kids to School?
17728
Nookd
Today's post departs from my stated mission to provide a glimpse into daily island life...except so far as it reflects my reaction to someth...
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Grok {Shan, Shui}*: Advent of understanding the generative art
I spent 24 days digging into the code of {Shan, Shui}* Chinese painting generator and lived to tell the story.