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Trying chDB, an embeddable ClickHouse engine
A lightweight in-process SQL OLAP engine, powered by ClickHouse.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,824 posts.
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US homelessness up 12% from 2022, hits highest level since 2007
A data-driven examination of the 12% increase in US homelessness, the structural causes behind the numbers, and what the data tells us about housing policy failures.
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Unions work
The WGA's win may pave the way for more.
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There is no hard takeoff
Back in 2014, Elon Musk referred to AI as summoning the demon. And it wasn’t hard to see that view. Soon, Go agents would beat top humans learning from self play. By the end of 2017, the same algorithm mastered Chess and Shogi. By 2020, it didn’t even need tons of calls to the simulator, and could play Atari too.
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You can serve static data over HTTP
This will be short. I need to let some steam off and flush this thing out of my mind because it's already hanging around for too long. The story goes like this: we're prototyping small tool for whatever and we're at the point where there is a visible need to store some (most likely) static data. Oh, the thing is in…
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JPEG-XL vs. AVIF and Others: 27 Images Compared
The current debate surrounding AVIF versus JPEG XL needs some third-party quantitative data to support arguments on either side. I've compiled a dataset of 27 high-resolution photographic images to compare performance across them all at a wide fidelity range.
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Apple has just released the first Rapid Security Response for Ventura
Apple has just released the first of its new Rapid Security Responses (RSRs) for macOS 13.3.1 Ventura. This is indicated as macOS Rapid Security Response 13.3.1 (a), and is just just over 300 MB to…
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Using XPath in 2023
In the latest release of htmx , you can add event listeners to elements with hx-on :
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Graviton 3, Apple M2 and Qualcomm 8cx 3rd gen: a URL parsing benchmark
Whenever you enter a URL into a system, it must be parsed and validated. It is a surprisingly challenging task: it may require hundreds of nanoseconds and possibly over a thousand cycles to parse a typical URL. We can use URL parsing as a reasonable benchmark of a system performance. Of course, no single measure ……
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QOA, the Quite OK Audio Format
Audio formats typically fall into one of three categories: “lossless” , “complicated” or “bad” . After developing a simple image format last year, I tried to come up with an audio format that fits neither of these categories.
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How MOS 6502 illegal opcodes work
The original NMOS version of the MOS 6502, used in computers like the Commodore 64, the Apple II and the Nintendo Entertainment System (NES), is well-known for its illegal opcodes: Out of 256 possible opcodes, 151 are defined by the architecture, but many of the remaining 105 undefined opcodes do…
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Improving Emacs Isearch Usability with Transient
Emacs incremental search (isearch) has an embarrassingly rich feature set. That said, I rarely use isearch beyond its basics for the twofold reasons: There are many isearch commands that are...
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Understanding people matters more than understanding tech
Dear new developer, I ran across this tweet a while ago: If there was only one piece of advice that I wish I had known early in my career as a software dev is that understanding people is more impo…
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Thermochromic Breadboard
A breadboard with visual indication of overheating of the parts.
2511
Ottopot, a sophisticated DIY MIDI controller
This is the ottopot. It's a MIDI controller I made with nothing but 8 dials. However, the dials I made in the highest quality that I possibly could. There are 2 things in particular that I haven't seen in any other similar devices: High resolution with 14bit MIDI CCs (12bit effective resolution) and a quasi-1:1…
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Writing a Profiler in 240 lines of pure Java
A few months back, I started writing a profiler from scratch, and the code since became the base of my profiler validation tools. The only problem with this project: I wanted to write a proper non-safepoint-biased profiler from scratch. This … Continue reading →
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The day I started believing in unit tests
Right after getting my degree, I was lucky to be hired into a small but decent R&D department as an embedded software engineer. My first task was to create a Unit Test project and have it run in our build pipeline after compilation. I was not particularly excited about this task, it seemed like busywork to me. I…
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The shell and its crappy handling of whitespace
From the highly eclectic blog of Mark Dominus
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There have been 562 bank failures since 2000
One way to measure the magnitude of a bank's failure is by the amount of assets the bank held. At the time it failed, SVB's collapse was the second largest American bank failure of all time, and the largest since 2008.
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How to Beat Stress and Anxiety
Why do we feel stressed and what to do to calm down before an important event (managing anxiety, worry, and stress)
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Boot to Vim, Vim as Pid 1 (2014)
Published: 18-09-2014 | Author: Remy van Elst | Text only version of this article
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Be where your business is
This post previously appeared on the readwrite blog. A CEO running a B-to-B startup in needs to live in the city where their business is – or else they’ll never scale. I was having breakfast…