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Debian Free Software Guidelines (DFSG) and Software License FAQ
A: To answer common questions about the Debian Free Software Guidelines and how we judge whether some piece of software is free.
New
The latest blog posts to take off on Hacker News. 3,426 posts.
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An Investor Wanted to Give Me $50,000. Here’s Why I Said No
It was money they needed, but it came with strings attached.
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Proof of Stake: How I Learned to Love Weak Subjectivity
<p>Proof of stake continues to be one of the most controversial discussions in the cryptocurrency space. Although the idea has many undeniable benefits,...
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Are You Living In a Computer Simulation? (2003)
The original paper that introduced the simulation argument
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From 1,000,000 to Graham's Number
Graham's number is so big, we need a whole new set of tools to even discuss it.
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Procedural City Generation
Since seeing the city generation from the shelved Introversion Software game “Subversion” in action , I’ve wanted to to try writing a basic procedural city generator myself. The developers followed a method described in Parish and Müller’s paper: Procedural Modelling of Cities (2001) . The paper is well-written and…
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Life in a post-database world: Using crypto to avoid database writes
Possibly one of the biggest hurdles that stands in the way of fostering innovation and discovering newer and better techniques of doing old things is the ease with which developers and designers to…
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Asynchronous Python and Databases
To quote the last part of this blog post, "I think it's [asyncio] really well done, it's fun to use, and I still am interested in having more of a SQLAlchemy story for it, because I'm sure folks will still want this no matter what anyone says.". To that end, SQLAlchemy 1.4 now includes complete support for asyncio …
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End of the m0n0wall project
on this day 12 years ago, I have released the first version of m0n0wall to the public. In theory, one could still run that version - pb1 it was called - on a suitably old PC and use it to control the Internet access of a small LAN (not that it would be recommended security-wise). However, the world keeps turning, and…
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Why OCaml, why now? (2014)
OCaml first hit my radar in November 2013. I had just learnt SML, a similar but older language, in the excellent Programming Languages Coursera course. Dan Grossman is one of the best lecturers I&#…
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Invisible Click Tracking Using “Empty” UTF-8 Characters
Have a look at this URL linking to this post: https://kaspars.net/blog/invisible-click-tracking Notice any tracking variables? Me neither! But check out the HTTP request and response in the network inspector of your browser -- it is redirecting to the "same" URL: URL encoded special characters in the browser console…
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App Container and Docker
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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On MicroSD card problems (2010)
The microSD ware for January 2010 was not an incidental post. It is actually snapshot of a much longer forensic investigation to find the ground truth behind some irregular Kingston memory cards.
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More than 39M Americans Only Have Access to One Wired Broadband Provider
Since 2010 the US government has spent $3.3B on broadband infrastructure yet 39 Million Americans only have access to 1 wired broadband provider. See the worst states and learn more about your state.
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Which topics get the upvote on Hacker News?
Hacker News is a popular social news website, mostly covering technology and startup topics. It relies on user submissions and moderation, where each submitted story can be upvoted and commented by users, which in term determines whether the story reaches the front page and how long it stays there.
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How to Write a New Git Protocol
I used to have trouble keeping track of my files. I often couldn’t remember whether I saved a file on my desktop, laptop, or phone, or if it was floating around in the cloud somewhere. Plus, with certain information, like passwords and bitcoin keys, I didn’t feel comfortable just sending that in an email to myself in…
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Show HN: Let's Chat, a self-hosted chat app for small teams
Self-hosted chat for small teams.
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May Bayes Theorem Be with You
The frequentist paradigm enjoys the most widespread acceptance forstatistical analysis. Frequentist concepts such as confidence intervalsand p-values dominat...
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Deleting any Facebook album
What if your photos get deleted without your knowledge? That would be pretty upsetting, wouldn’t it? This post is about a vulnerability I found that allowed malicious users to delete any photo album on Facebook. Any photo album owned by a user, a page, or a group could be deleted. Graph API is the primary […]
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Memrefuting
(in which I bring this blog back to the “safe, uncontroversial” territory of arguing with people who think they can solve NP-complete problems in polynomial time) A few people have aske…
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A regular expression to check for prime numbers
Regular expressions are extremely powerful. This is something I read at least once or twice every day while reading articles and blogs on the Web.