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Running Rust on Logic Gates
A journey in building an ARM CPU from scratch in a digital circuit simulator, and running Rust on it to interpret Scheme and serve Web pages.
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The latest blog posts to take off on Hacker News. 14,540 posts.
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Programming breakthroughs we need
Matyáš Racek's blog
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Learning a new language, or how I gained familiarity with Go
How I've eased into a new language, Go, as a Senior Software Engineer, and some initial thoughts on the language.
4835
Why React Re-Renders
In React, we don't update the DOM directly, we tell React what we want the DOM to look like, and React tackles the rest. But how exactly does it do this? In this tutorial, we'll unpack exactly when and why React re-renders, and how we can use this information to optimize the performance of our React apps.
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Emacs: Mastering Eshell
Emacs has a shell written entirely in Emacs Lisp. Here's how you master Eshell, a versatile and powerful shell capable of supplanting bash or zsh as your daily driver.
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Win32 Is the Only Stable ABI on Linux?
In the ELF format there are two ways of providing a hash table of symbols. DT_HASH and DT_GNU_HASH . The first one is part of SYSV generic ABI and is well documented and marked as mandatory. DT_GNU_HASH is a newer, smaller, and faster replacement that is not documented , implemented in a few places (Glibc, GNU ld…
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Efficient simulation through linear algebra
I spent a lot of time working on a project in which physically plausible simulation of soft materials with pressure chambers was a key part, and in doing so, we managed to improve a part of our simulation by a significant amount. I was very happy with how this small part of the whole system turned out, and I've been…
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Cast iron leet
hard lessons from weak skillets
4841
The Unreasonable Effectiveness of Makefiles
Few tools walk the right line between declarative and imperative like make.
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Asdf Performance
I’ve been a maintainer of asdf for about 6 years now. Most of my work these last several years has been fixing bugs, writing automated tests …
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Rob Pike's simple C regex matcher in Go
Translating Rob Pike's simple and elegant C regex matcher to Go.
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Qt signal is ten times slower than a virtual function
I defined a QT Object that contains an integer value and uses QT signal along with awl::Observable based on virtual functions to notify the subscribers when the value changes:
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Emacs and Eev, Or: How to Automate Almost Everything
Eduardo Ochs http://angg.twu.net/#eev eduardoochs@gmail.com (HTML version: 2007oct01)
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How to choose the right Python concurrency API
In this tutorial, you will discover a helpful step-by-step procedure and helpful questions to guide you to the most appropriate concurrency API.
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Reddit’s database has two tables (2012)
Steve Huffman talks about Reddit’s approach to data storage in a High Scalability post from 2010. I was surprised to learn that they only have two tables in their database.
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Lz_xor
If LZ compression is compilation , what other instructions are useful to add? I've spent the last several years, off and on, trying to figur...
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The problem with Go’s default HTTP handlers
Explicit > Implicit
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Using unwrap() in Rust is okay
One day before Rust 1.0 was released, I published a blog post covering the fundamentals of error handling . A particularly important but small section buried in the middle of the article is named “ unwrapping isn’t evil ”. That section briefly described that, broadly speaking, using unwrap() is okay if it’s in…
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MiniRust
I have been thinking about the semantics of Rust – as in, the intended behavior of Rust programs when executed, in particular those containing unsafe code – a lot. Probably too much. But al...
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Vector graphics on GPU
Using GPU to render vector graphics.
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Post-Apocalyptic Programming
In a post-apocalyptic future with no internet or stackoverflow, let's try to build a programming environment from scratch.
4856
I 10x'd a TI-84 emulator's speed by replacing a switch-case
There’s a javascript emulator for the TI83+, TI84+, and TI84+CSE calculators called jsTIfied, which was written by Christopher Mitchell, founder of the calculator fan site cemetech.net. There’s not a whole lot of reasons to use it over something else if you’ve got a native option available, but if you don’t it’s…
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Why does gRPC insist on trailers?
gRPC comes up occasionally on the Orange Site , often with a redress of grievences in the comment section. One of the major complaints people have with gRPC is that it requires HTTP trailers. This one misstep has caused so much heartache and trouble, I think it probably is the reason gRPC failed to achieve its goal…
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Ignore the haters, and other lessons learned from creating JSON5
And other lessons learned from creating a popular open-source project (JSON5)
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“Code” 2nd Edition Now Available
In a startling disruption of the space-time continuum — and a violation of the basic maxim of publishing that nothing is ever on time — the publication date of the 2nd edition of my book Code: The Hidden Language of Computer Hardware and Software was bumped up by 12 days. That means that the publication date is today…
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The pervasive effects of C's malloc() and free() on C APIs
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…