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An interactive explanation of quadtrees (2014)
The space is divided into four rectangles . Each of those rectangles is divided such that it contains a maximum of four children . Each child is either a point or a smaller rectangle.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,136 posts.
1112
Flake8-Logging
The Python standard library’s logging module is a go-to for adding observability to applications. Many tools also integrated with it or enhance its capabilities, such as structlog and Sentry.
1113
PyTorch at the Edge: Deploy 964 TIMM Models on Android with TorchScript
Learn and deploy over 900+ cutting edge PyTorch classification models on Android.
1114
Constraint Programming (2020)
A brief introduction tutorial to Constraint Programming with Python, we introduce some relevant definitions and solve our old Pokémon Centers and Pokémon Gyms problem this time with CP!
1115
Shipping Graphing Calculator
I've been on many projects that get canceled. We're building cool stuff. We're going above and beyond, and we're excited. But the project encounters reality, shifting priorities, or budgeting constraints, and the work never goes anywhere. It always feels tragic, but then I move on. But what if I didn't let a project…
1116
Wolf Incident Postmortem
Incident #210 Status Complete, one action item outstanding. Summary Sentinel consumed by wolf after repeated false alarms. Impact Loss of sentinel. No flock impact. Root causes Sentinel generated noisy alerts due to premature deployment, incomplete training, and overly monotonous task. Oncalls failed to respond to…
1117
Ash: A Gentle Primer
An introduction to Ash Framework, written for new Elixir developers. Comes with LiveBooks for interactive examples, live-coding video walkthrough, and illustrations.
1118
Training and aligning LLMs with RLHF and RLHF alternatives
I frequently reference a process called Reinforcement Learning with Human Feedback (RLHF) when discussing LLMs, whether in the research news or tutorials.
1119
Why Rust helps even if you have to use a lot of `unsafe`
I semi-regularly hear developers who claim that using Rust would not gain them anything because they would have to use `unsafe`. But this is not true. Local reasoning matters.
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High level mods/patches for console video games
This blogpost explores my journey of bringing higher level languages (in this case C) to console video-game modding, as an alternative to hand-tailored assembly mods.
1122
CamelCase vs. underscores revisited (2013)
It has been 2 years since I published “CamelCase vs underscores: Scientific showdown”, and it still is easily the most visited article on this blog. Yesterday alone it got 2,614 views t…
1123
X servers no longer allow byte-swapped clients
In the beginning, there was the egg. Then fictional people started eating that from different ends, and the terms of "little endians" an...
1124
File Locks on Linux
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
1125
Webhook Failure Scenarios
<p>A webhooks allow two applications to communicate events. It is relatively simple to get started using webhooks using HTTP and JSON. However, there a number of failure scenarios that developers should be aware of in order to make their webhook implementation robust.</p>
1126
Structuring Your Infrastructure as Code
If you’re thinking of migrating to another infrastructure as code tool (and why would you, everything is great in the IaC world now, right?!) you might find yourself asking yourself
1127
GameRoy: JIT Compilation in High-Accuracy Game Boy Emulation
Over the past two years, I have spent a lot of time working on my Game Boy emulator, GameRoy. It has reached a good point, where it has a GUI interface (including a debugger and disassembler) and passes numerous tests (comparable to some of the most accurate emulators). I even made a port to Android!
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Reducing Go execution tracer overhead with frame pointer unwinding
The Go Execution Tracer (aka runtime/trace) was designed to achieve low enough overhead to be usable on “a server in production serving live traffic”. This is achieved by writing events into per-P buffers, using RDTSC for timestamps, and encoding into a relatively efficient binary format.
1130
How to Ask Questions the Smart Way (2014)
Translations: Brazilo-Portuguese Chinese (Traditional) Czech Dutch Estonian French Georgian German Greek Hindi Hungarian Indonesion Japanese Lithuanian Polish Portuguese Russian Spanish Ukrainian Uzbek If you want to copy, mirror, translate, or excerpt this document, please see my copying policy .
1131
Bracketed paste mode (2013)
One of the least well known, and therefore least used, features of many terminal emulators is bracketed paste mode . When you are in bracketed paste mode and you paste into your terminal the content will be wrapped by the sequences \e[200~ and \e[201~ .
1132
The story of ispc: origins (part 1) (2018)
This one time, at Intel, I wrote a compiler...
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RLHF: Reinforcement Learning from Human Feedback
[LinkedIn discussion, Twitter thread]
1135
The Story of Mel
This was posted to USENET by its author, Ed Nather (utastro!nather), on May 21, 1983.
1136
Elastic tabstops
Elastic tabstops - a better way to indent and align code