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Wrapper Types in Rust: Choosing Your Guarantees
This post is now a part of the official rust book In my previous post I talked a bit about why the RWlock pattern is important for accessing data, …
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 14,544 posts.
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Walking the Clojure source history: a talk not given
Years ago I planned to give a talk centered around exploring the Clojure source history to find interesting buried artifacts. In service to that goal I walked every commit in the repository to see what I could find. There were indeed interesting discoveries, but eventually my passion for giving the talk 1 dissipated…
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2D gaming using Processing.js
We had a look at some of the basics of making a game using the Processing.js game library, so let's kick it up a notch by just getting down and making our own Super Mario game. When we're done with this part of the tutorial, we'll have a game with koopa troopers, platforms that we can jump up through but not fall down…
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HTML-only conditional lazy loading (via preload and media)
The accepted practice is to not add lazy-loading to images above the fold, especially the LCP image, since doing so can delay their loading until the browser has determined they are definitely in the viewport. One problem though is that "above the fold" depends on screen size: an image can be above the fold on desktop…
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GameRoy: JIT Compilation in High-Accuracy Game Boy Emulation
Over the past two years, I have spent a lot of time working on my Game Boy emulator, GameRoy. It has reached a good point, where it has a GUI interface (including a debugger and disassembler) and passes numerous tests (comparable to some of the most accurate emulators). I even made a port to Android!
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Software design is also about relationships
In parts 1 and 2 we saw:
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Link-time optimization in GCC, part 3 – LibreOffice
After Firefox , I decided to look into LibreOffice performance with link time optimizations (LTO) and profile feedback (FDO). This post was ...
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Improving PixelMelt's Kindle Web Deobfuscator
A few days ago, someone called PixelMelt published a way for Amazon's customers to download their purchased books without DRM. Well… sort of. In their post "How I Reversed Amazon's Kindle Web Obfuscation Because Their App Sucked" they describe the process of spoofing a web browser, downloading a bunch of JSON files…
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Implementing VisiCalc (2003)
I'm writing this in preparation for the Computer History Museum's The Origins and Impact of VisiCalc panel on April 8th 2003. This is basically a draft and I hope to do some more editing as time permits and you should expect many typos until then. I'm also going to continue to edit and change this as I remember…
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Interview with Dennis Ritchie (2003)
dmr: I'm not a person who particularly had heroes when growing up.
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The many flavors of hashing
About the many types of hash functions, their use-cases, dos and don'ts, with suggestions for currently accepted algorithms.
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Finding Software Bugs Using Symbolic Execution
Internet home of Raimondas Sasnauskas. Stories of my journey.
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Understanding JavaScript function invocation and "this"
Over the years, I've seen a lot of confusion about JavaScript function invocation. In particular, a lot of people have complained that the semantics of this in function invocations is confusing. In my opinion, a lot of this confusion is cleared up by understanding the core function invocation primitive,
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Gevent For the Working Python Developer
The structure of this tutorial assumes an intermediate level knowledge of Python but not much else. No knowledge of concurrency is expected. The goal is to give you the tools you need to get going with gevent, help you tame your existing concurrency problems and start writing asynchronous applications today.
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Implementing Levenshtein Automata
Thanks to Ken Hironaka for kindly taking a lot of time to read and fix countless errors in this blog post!
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Reducing Go execution tracer overhead with frame pointer unwinding
The Go Execution Tracer (aka runtime/trace) was designed to achieve low enough overhead to be usable on “a server in production serving live traffic”. This is achieved by writing events into per-P buffers, using RDTSC for timestamps, and encoding into a relatively efficient binary format.
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My process for building a feature
I’m maintaining a lot of different projects at the moment. I thought it would be useful to describe the process I use for adding a new feature to one of …
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Using Python to Encode Cassette Recordings for my Superboard II
See Part 3 to see real-time audio encoding/decoding used in conjunction with telnet.
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OCaml 4.01 for iOS 8
The current OCamlXARM compiles by default for iOS 7.1, but using it for iOS 8 is not too difficult. The only thing that changes is the name of the SDK, which can be specified with the -ccopt option of ocamlopt.
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Papers I like (part 2)
Continued from part 1. Once I was about a thousand words into describing background for GEMM, it became pretty clear that it made more sense to group the numerical math papers into one post, so her…
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Desperate Perl Hacker
I owe a whole lot to Perl. So does the practice of computing in general, and the construction of the Web in particular. Perl’s situation is not terribly happy; I wouldn’t go so far as to say “desperate”, but certainly these are not its glory days.
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