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Building a Spatial Index Supporting Range Query using Space Filling Hilbert Curve

Like Grant showed, it's continuous from order `n` to order `n+1`, meaning that scaling it down won't move anything around; in terms of percentages, both the 2D -> 1D and 1D -> 2D transformations will look exactly the same. After fixing a few bugs, it was "scrolling like butta" before my very eyes!…
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Better Portable Graphics (BPG) on the web with WebAssembly (WASM) and ServiceWorker

How viable is this? Not very, unless you are making a thicc app. But it's not because of code filesize like you might think.…
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How I optimized my Owncast Stream to run on a Raspberry Pi part 2

...my workstation CPU is a lot cooler, I don't get keyboard drop-outs while I'm typing any more and I think the stream quality is also improved even though the video bit rate is lower, since it's only being encoded once now instead of twice.…
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Greenhouse Development Update 2 - May

For the month of May I've recorded some screencasts and I'm going to try embedding them as HTML videos here.…
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Greenhouse development update 1

I have been striving to work on greenhouse every day. Of course, I can't always meet that standard, but I believe I've gotten more done than my activity heatmap might indicate, as I have a bad habit of working on elements and features for more than a day before I commit them.…
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Creating a Simple but Effective Outbound "Firewall" using Vanilla Docker-Compose

This is great for inbound connections, but it does nothing to control outbound connections. ...I would much rather find a way to control outbound connections using the vanilla docker and docker-compose features. So that's what I set out to do, and that's where the internal networks come into play.…
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Server & Website Updates

I just finished migrating sequentialread.com to an ODROID HC1, plus tons of updates to my infrastructure & apps!…
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How to Host a Stream with Owncast on a low-powered Server

Last week, I started streaming my programming work every day using cyberia's shared streaming service, stream.cyberia.club. They had been using open streaming platform in the past, but it was a bit cl…
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The "Pragmatic Path" 4-Year Update: Introducing Greenhouse!

See the next post in this series: Greenhouse development update 1 When I started this blog in 2015, I was just playing around. I published a few small technical guides, cross-posted a couple articles…
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Understanding the Secure Shell Protocol (SSH)

This post was written as a how-to guide for the capsul cloud compute provider by cyberia.club! SSH is a very old tool, created back when the internet was a different place, with different use cases…
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How to connect to a remote redis server securely with TLS

Redis doesn't ship with TLS support out of the box, a heinous omission to be sure. TLS support can be enabled by compiling a custom build yourself, but the official "Securing Redis" guide re…
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How to prevent backblaze session from timing out & stay logged in

I have been working on a project that uses Backblaze B2 object storage, I really like the service, but I have been frustrated by the user interface. They automatically log the user out after 5 minutes…