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Software Engineering

The most popular blog posts about software engineering on Hacker News. 1,357 posts.

2019
911

Writing Hello World in Web Assembly (2017)

Web Assembly is written in an s-expression syntax (wast) and then needs to be translated down to binary encoded wasm. Below is a gist of wast that imports the stdlib.print function taking a memory location offset and a length, as well as importing a block of memory from the controlling runtime. We then store the…

915

I do not use a debugger (2016)

I learned to program with BASIC back when I was twelve. I would write elaborate programs and run them. Invariably, they would surprise me by failing to do what I expect. I would struggle for a time, but I'd eventually give up and just accept that whatever "bugs" I had created were there to stay. … Continue reading I…

920

Databases always have a schema (2018)

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…

923

An Introduction to Real-Time Subsurface Scattering

A little while ago I was doing some research into the state-of-the-art for approximating subsurface scattering effects in real-time (mainly for skin rendering), and I had taken a bunch of loose notes to help me keep all of the details straight. I thought it might be useful to turn those notes into a full blog post, in…

925

So Long, MSDN Blog

UPDATE 4: My original MSDN blog content, minus the comments, has been archived publicly on the MSDN site; thanks again to Scott and Dan and everyone else who made this happen. Why minus the comment…

928

Serverless collaborative editor using CRDT

Previously I've worked on a collaborative tool, which worked like Google Docs. This project was called crepl . Because I stopped paying for hosting of its server, that project is now offline. That made me consider: what if a collaborative editor wouldn't need a server?

930

QEMU 4.0 adds micro:bit emulation support

micro:bit emulation support is available from QEMU 4.0 onwards and can be used for low-level software testing and development. Unlike existing micro:bit simulators, QEMU performs full-system emulation and actually runs the same ARM code as the real hardware. This blog post explains what full-system emulation means and…