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Everything I've seen on optimizing Postgres on ZFS
Looking to run Postgres on ZFS? I've gathered some of the information and sage advice out there to give you a head start on figuring out how to do it safely and efficiently.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,820 posts.
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Reducing the Computational Cost of Deep Reinforcement Learning Research
Posted by Pablo Samuel Castro, Staff Software Engineer, Google Research It is widely accepted that the enormous growth of deep reinforcement learni...
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Where should the debugger set a breakpoint?
When you search for executions of a function in Pernosco (or set a breakpoint in a more traditional debugger), how does the debugger decide where to stop? You might think it just stops at the first instruction in a function, but that's not true in general. Debuggers actually stop immediately after the function's…
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Dynamic Queries in Ecto (Elixir Lang)
The macro Ecto Query dynamic/2 allows you to build query fragments and interpolate them into one large query. We get easy-to-manage query building in an accessible way. It allows you to control the parameters from the user and transparently create filtering of data stored in the database.
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Deconstructing the Postgres planner to find indexing opportunities
We take a behind the scenes look at the pganalyze Index Advisor and discuss a few recent improvements, such as utilizing selectivity information better.
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Tiny FORTH from scratch in 1 week (bootloader-based Arduino UNO, 2K of RAM)
Building a tiny FORTH for an Arduino UNO in one week
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Evolution of tree data structures for indexing
I have to admit, my research blog posts are getting longer and longer. From one side I find it genuinely encouraging, because if one gets so much information just by scratching the topic, imagine what’s hidden beneath the surface! One university professor once said “what could be interesting in databases?”, and it…
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Subclassing in Python Redux
The conflict between subclassing and composition is as old as object-oriented programming. The latest crop of languages like Go or Rust prove that you don’t need subclassing to successfully write code. But what’s a pragmatic approach to subclassing in Python, specifically?
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Cranelift, Part 3: Correctness in Register Allocation
This post is the last in a three-part series about Cranelift . In the first post , I covered overall context and the instruction-selection problem; in the second post , I took a deep dive into compiler performance via careful algorithmic design.
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Elon Musk, master promoter
Elon Musk is a master promoter. His ability to bring his many endeavors into the limelight is unmatched in the technology industry.
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The benefits of not belonging
Growing up, I never felt like I fit in.
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Error stack traces in Go with x/xerror
A workaround to get nice stack traces for errors in Go.
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One Way to Represent Things
How types might be the missed part of the future of code
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The Lies that can Undermine Democracy
Recent events highlight our need to take serious measures to counter lies that are undermining democracies.
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Documents ≠ Programs
I've recently become active again on twtxt.net , the platform that puts the "social" in "anti-social social media". There is a lot of intelligent discussion to be had there, and for the past couple days a discussion has been going on about technology buzzwords and, later, unnecessary complexity on websites. I was…
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Co-working with friends over video in virtual gather.town office
Starting March 2021, I’ve been spending the majority of my working time co-working with my friends over video in my virtual gather.town office. The sessions are usually pre-scheduled, last 2-16 hours, and we do brief check-ins every 30 minutes. Most people I co-worked with told me that they really enjoyed the…
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Reinstating Net Neutrality in the US
Today, Mozilla together with other internet companies ADT, Dropbox, Eventbrite, Reddit, Vimeo, Wikimedia, sent a letter to the FCC asking the agency to rei
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New and improved Linux Random Number Generator ready for testing
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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Floor, Ceiling, Bracket
The notation [x] reigned for nearly two centuries before being replaced by ⌊x⌋. Why the latter is much better and what else we might learn from its inventor.
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Rust: Enums to Wrap Multiple Errors
This is a follow-up to Error handling in Rust from a couple of days ago. The moment we want to use error propagation for different error types, we have to rely on trait objects with Box<dyn Error>, which means we defer a lot of information from compile-time to runtime, for the sake of convenient error handling.
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Introduction to WebAssembly Components
WebAssembly and WASI show great promise for the future of computing outside the browser, and the WebAssembly component model aims to improve the portability, cross-language, and composition story for Wasm. This article explains the goals of the component model, and showcases how to use tooling from the Bytecode…
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Out of Africa's midlife crisis
on bottlenecks, crashes and what diversity really looks like
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The Dubrovnik Interviews: Marc Andreessen
The Internet King on why the Internet is a force for good, on media conformity, the inevitable triumph of the WEIRD, Crypto, Retards, etc.
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Lessons on Writing JavaScript and React from ClojureScript
Technical blog of Ryan Jerue
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Riding the Writing Wave
“Writing is its own reward.” – Henry Miller Writing doesn’t just communicate ideas; it generates new ones. Writing forces you to think. It’s nature’s way of telling you how sloppy your thinking is. The ultimate test of how well you understand something is how clearly you can explain it in writing — clear writers are
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Dublin Core's dirty little secret (2010)
[This is part two in a series — you should read part 1 first for context and then you might go on to part 3.] The Dublin Core — metadata made dumb Just when librarians were in despair o…