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How to Get Fired Using Switch Statements and Statement Expressions
Updated Oct 27, 2016: Fixed sample code comments in coroutine example as per suggestion , edited text to note D's similar behaviour .
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The latest blog posts to take off on Hacker News. 14,544 posts.
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Technical Issues of Separation in Lisp Function Cells and Value Cells (1988)
This paper appears in Lisp and Symbolic Computation , Volume 1, No. 1, June 1988, pp81-101.
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Parsing JSON is a Minefield
[2016-10-26] First version of the article [2016-10-28] Presentation at Soft-Shake Conference, Geneva ( slides ) [2016-11-01] Article and comments in The Register [2017-11-16] Presentation at Black Alps Security Conference, Yverdon ( slides ) [2018-03-09] Presentation at Toulouse Hacking Conference ( slides )…
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Why does software development take so long?
Nageru 1.4.0 is out (and on its way through the Debian upload process right now), so now you can do live video mixing with multichannel audio to your heart's content. I've already blogged about most of the interesting new features, so instead, I'm trying to answer a question: What took so long?
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Applying the Linus Torvalds “Good Taste” Coding Requirement
In a recent interview with Linus Torvalds, the creator of Linux, at approximately 14:20 in the interview, he made a quick point about…
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Happiness is a Boring Stack
I can't tell you how nice it is to have software in production on a boring stack. It gives you freedom to do other things.
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Having fun abusing the C language
I was looking through the book Expert C Programming again when I came upon their “light relief” section on The International Obfuscated C Code Competition . It’s a contest to write the most obscure code. That the language C has a competition where you write confusing code in it probably says something about the…
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Concorde
Today marks the 13th anniversary since the last passenger flight from New York arrived in the UK. Every seat was filled, a feat that had become increasingly rare for a plane that was a technological marvel but a commercial flop….
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Twenty years later I wrote a Tetris again
One night in May of 1996 I was bored and wanted to play Tetris very badly... At the time I was an exchange student. I owned a broken laptop which wasn't of much use but I also had access to my host family's 486 desktop computer that came with MsDOS
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Visualizing a Job Search Or: How to Find a Job as a Software Engineer
It wouldn’t be a new job without some data porn and a blog post, would it?
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Vim: So long Pathogen, hello native package loading
Vim 8 added a native way to load third-party packages. This means, for me at least, there is no longer any need to use a third party plugin helper like Pathogen.
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A Tour of Python’s Data Visualization Landscape, Including Ggplot and Altair
Why Even Try, Man? I recently came upon Brian Granger and Jake VanderPlas’s Altair, a promising young visualization library. Altair seems well-suited to addressing Python’s ggplot …
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Programming books you might want to consider reading
There are a lot of “12 CS books every programmer must read” lists floating around out there. That's nonsense. The field is too broad for almost any topic to be required reading for all programmers, and even if a topic is that important, people's learning preferences differ too much for any book on that topic to be the…
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Implementing a Tor relay from scratch in golang (2015)
Update from the author, over a decade later: Go has improved and so have my own skills. The conclusion of this article was that Go isn't the right language for the task I gave it, and that's no longer true today, but also wasn't true when I wrote the article. This article is user error, not a language issue.
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A single byte write opened a root execution exploit
Thursday, September 22nd 2016. An email popped up in my inbox. Subject: ares_create_query OOB write As one of the maintainers of the c-ares project I'm receiving mails for suspected security problems in c-ares and this was such a one. In this case, the email with said subject came from an individual who had reported a…
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Let’s Run Lisp on a Microcontroller
I was inexplicably amazed by Lisp since the first day I've seen how Lisp programs look.
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Poll on macOS 10.12 is broken
When Mac OS X first launched they did so without an existing poll function. They later added poll() in Mac OS X 10.3, but we quickly discovered that it was broken (it returned a non-zero value when asked to wait for nothing) so in the curl project we added a check in configure for that … Continue reading poll on mac…
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Data Mining Hacker News: Front vs. Back
Using Haskell, R, Python, SQLite, and Elasticsearch, we data mine Hacker News front page stories and their back page counterparts for patterns.
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Git-repo – Manage Gitlab, GitHub and Bitbucket from the command line
I got nothing to blog.
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Image unshredder by simulated annealing (2015)
On another page , I unleash the simulated annealing algorithm on a toy problem. It generates an image full of random colorful pixels, and rearranges the pixels so that similar colors are near each other.