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Postgres as a Search Engine
Build a retrieval system with semantic, full-text, and fuzzy search in Postgres to be used as a backbone in RAG pipelines.
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The latest blog posts to take off on Hacker News. 3,433 posts.
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Looming Liability Machines (LLMs)
As part of our zoom reading group ( wow, 4.5 years old now ), we discussed a paper that uses LLMs for automatic root cause analysis (RCA) fo...
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Small Strings in Rust: smolstr vs. smartstring (2020)
Hey everyone! This article is brought to you by a shameless nerd snipe, courtesy of Pascal. In case you’ve blocked Twitter for your own good, this reads: There should be a post explaining and compa...
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Implementing React from Scratch
A detailed explanation of the architecture I used to rebuild react
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You are not dumb, you just lack the prerequisites
I always thought I was too dumb to understand math. During my school years, it was evident to me that for some kids math was easy, and for others like myself: painfully difficult.
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Firewalling your code
When writing code, you can call any function as long as it’s public, and similarly, you can access any object’s public properties or methods. Usually, access to code is all or none – a piece of code can be either public or private. Lately, I’ve been thinking about ways to implement more fine-grained access controls…
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The Cryptographic Doom Principle (2011)
When it comes to designing secure protocols, I have a principle that goes like this: if you have to perform any cryptographic operation before verifying the MAC on a message you’ve received, it will somehow inevitably lead to doom.
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Poor Foundations in Geometric Algebra
EDIT: Be warned that this post is angry. If you’re easily offended when someone goes on a rant, then leave now because I’m very unforgiving in several places below. The tone of my writing is unusually harsh, but the people whose work I’m talking about deserve it, and here’s why. Even though I had been working with…
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Reddit banned me for developing Geddit
Currently, I'm working as an AI Engineer @ amber . But mostly I'm an open-source software developer. That means I work on software projects that are free to use, modify, and distribute. Why? Because I believe knowledge should be free and open to everyone.
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Did you lose your AirPods?
Reuniting AirPods with a few clever tricks
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My IRC client runs on Kubernetes
Trust me, there's a reason for this
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Cautionary tale on using Chase bank for indie business
A cautionary tale of a business owner's nightmare with Chase Bank, revealing crucial banking lessons for entrepreneurs.
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Outsourcing Cost Boeing Billions (2019)
On October 29, 2018 Lion Air Flight 610, a 737 MAX 8 flight from Jakarta, Indonesia to Pangkal Pinang, Indonesia, crashed into the sea 13…
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Generating Mazes
Visualizations and techniques for different maze generation algorithms.
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The journey of an internet packet: Exploring networks with traceroute
This article explains the mechanics behind traceroute, from IP headers and TTL fields to ICMP messages. Learn why traceroute is a crucial tool for network diagnostics, how it differs from ping, and how to interpret its output. Ideal for network administrators, IT professionals, and curious users looking to understand…
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We need to liberate the Postcode Address File
This is the Pentagon Papers for the UK address database
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Modern Wardriving (2023)
Let’s start by defining the word Wardriving: it is the search for WIFI wireless networks from a vehicle equipped with a computer. This would be the classic definition. I define modern wardriving as the search for WIFI networks, Bluetooth devices … Continue reading →
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Claude's API now supports CORS requests, enabling client-side applications
Anthropic have enabled CORS support for their JSON APIs, which means it’s now possible to call the Claude LLMs directly from a user’s browser. This massively significant new feature is …
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What's Going on in Machine Learning? Some Minimal Models
Stephen Wolfram explores minimal models and their visualizations, aiming to explain the underneath functionality of neural nets and ultimately machine learning.
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Aerc: A well-crafted TUI for email
Aerc is a TUI email client. It had its first release ~4 years ago. This makes it a “baby” compared to most of its “competitors” (Pine was released in 1992, Mutt in 1995). I heard about this program shortly after its first release but ignored it at the time, because I was still reasonably happy with Thunderbird and it…
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Continuous reinvention: A brief history of block storage at AWS
Marc Olson, a long-time Amazonian, discusses the evolution of EBS, highlighting hard-won lessons in queueing theory, the importance of comprehensive instrumentation, and the value of incrementalism versus radical changes. It's an insightful look at how one of AWS’s foundational services has evolved to meet the needs…
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Async2 – The .NET Runtime Async experiment concludes
The .NET team has been working on a new experiment called async2, which is a new implementation of the async/await pattern that is designed to be more efficient and more flexible than the current implementation. It started with green threads and ended with an experiment that moves async and await to the runtime. This…
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No "Hello", No "Quick Call", and No Meetings Without an Agenda
When working remotely, asking for help is often just a few keystrokes away. So it's tempting to "quickly" ask someone for support when you get stuck.
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Ethernet History Deepdive – Why Do We Have Different Frame Types?
In my previous post Encapsulation of PDUs On Trunk Ports , I showed what happens to PDUs when you change the configuration of a trunk. You may have noticed that there are typically three different types of Ethernet encapsulations that we see:
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SwiftUI for Mac 2024
Crazy Mac lady. Mac author & developer. Lover of Apple computers and devices. Swift & SwiftUI enthusiast. Unofficial Mac app dev evangelist
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Mourning and moving on: rituals for leaving a career (2014)
I decided to leave what had been a promising career in organic chemistry about a year ago. Deciding to leave my program, and then to leave the field entirely, was one of the hardest decisions I hav…
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I sped up serde_json strings by 20%
I have recently done some performance work and realized that reading about my experience could be entertaining. Teaching to think is just as important as teaching to code, but this is seldom done; I think something I’ve done last month is a great opportunity to draw the curtain a bit. serde is the Rust framework for…