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Basic Intro to Elliptic Curve Cryptography (2019)
Learn cryptography in Go by building ciphers, hashes, password security, and encryption tools. Understand security beneath the library call.
New
The latest blog posts to take off on Hacker News. 5,567 posts.
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Measuring keyboard-to-photon latency with a light sensor
For a long time when I’ve wanted to test the latency of computers and UIs I’ve used the Is It Snappy app with my iPhone’s high speed camera to count frames between when I press a key and when the screen changes. However the problem with that is it takes a while to find the exact frames you want, which is annoying when…
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Xfce switches to GitLab
Starting today, May 1, we’re switching from our cgit/gitolite setup to GitLab. Our old server, git.xfce.org, is now a ready-only in-sync mirror (so you can still pull code). Our new server is gitlab.xfce.org.
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Rootless Containers
Rootless containers is a new concept that don’t require root privileges in order to formulate, but have some unique challenges.
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Detecting a 2.4 GHz transmission for under 1 EUR
As I was debugging a wireless mouse based on a 2.4 GHz proprietary protocol, I wanted to detect the transmitted signals. Note that I purposefully wrote “detect”: It was sufficient to see how often the transmission occurred (and if at all) and whether the link was unidirectional – i.e., only the mouse transmits and the…
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I Can't Breathe
I can't breathe.
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Finding secrets by decompiling Python bytecode in public repositories
Cache rules everything around me. `pyc` files can contain secrets and should not be checked in to source control. Use the standard Python [.gitignore](https://github.com/github/gitignore/blob/master/Python.gitignore).
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I wrote a beginners guide to Kubernetes
In this multi-part series of articles I'll try and capture everything I think someone who wants to learn and work with Kubernetes should know about. If you h...
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The Battle of Helm’s Deep, Part V: Ladders Are Chaos
Bret Devereaux (A Collection of Unmitigated Pedantry)2020260 points40 commentsHistory & Retro Computing details
This is the fifth part of a series taking a historian’s look at the Battle of Helm’s Deep (I, II, III, IV, V, VI, VII. VIII) from both J.R.R. Tolkien’s The Two Towers (1954) and Peter Jackson…
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Hoare’s Rebuttal and Bubble Sort’s Comeback
Editor’s note: For this blog entry I welcome my friend and colleague Gerben Stavengaas a guest author.
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Die analysis of the 8087 math coprocessor's fast bit shifter
Floating-point numbers are very useful for scientific programming, but early microprocessors only supported integers directly. 1 Although...
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Zero-day in Sign in with Apple
What if I say, your Email ID is all I need to takeover your account on your favorite website or an app. Sounds scary, right? This is what a…
3317
Oracle vs. PostgreSQL – A Comment
I know, this list is not for this, but I just couldn't resist. Please forgive me.
3318
A simple way to get more value from metrics
We spent one day 1 building a system that immediately found a mid 7 figure optimization (which ended up shipping). In the first year, we shipped mid 8 figures per year worth of cost savings as a result. The key feature this system introduces is the ability to query metrics data across all hosts and all services and…
3319
Apple Mail randomly becomes the frontmost application in macOS
Since macOS 10.12 there’s a bug in Apple Mail that causes it to randomly become the frontmost application. If you are in full screen mode — like when you are giving a talk or watching a movie — it opens itself up in split view mode where it takes up half the screen while your other main window is being resized. I saw…
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What is emergence?
Emergence occurs when there is a conceptual discontinuity between two descriptions targeting the same phenomenon. This does not mean that emergence is a purely subjective phenomenon — only th…
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Career Choice Tip: Cybercrime Is Mostly Boring
When law enforcement agencies tout their latest cybercriminal arrest, the defendant is often cast as a bravado outlaw engaged in sophisticated, lucrative, even exciting activity. But new research suggests that as cybercrime has become dominated by pay-for-service offerings, the vast majority of day-to-day activity…
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ECMAScript 4: The Missing Version
In your build tools, you may have noticed that you have an ECMAScript 3 target, and 5 and up, but never a 4. Why is that?
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Why is Kubernetes getting so popular?
At the time of this article, Kubernetes is about six years old , and over the last two years, it has risen in popularity to consistently be one of the most loved platforms . This year, it comes in as the number three most loved platform . If you haven’t heard about Kubernetes yet, it’s a platform that allows you to…
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Godot Editor running in a web browser
Bringing the Godot Editor to the web: lowering the barrier for newcomers while enhancing the HTML5 export.
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1,700-Year-Old Board Game Found in Norwegian Burial Mound
Rare elongated dice and board game pieces from the Roman Iron Age have been discovered in western Norway. Last month, Norwegian archaeologists chose to excavate the remains of a small Early Iron Age grave cairn
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Launch an App
On May 14th, I launched Oh Bother — my first independent app in 7 years. I wrote a bit about my decision to build Oh Bother here, but now that my little app ...
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Mosquitoes kill more than 700k people every year (2017)
These tiny insects kill more than 1,000,000 people every year
3330
Linux Security Hardening and Other Tweaks
A collection of kernel and userland settings one can change to improve the security and usability of a Linux system. Targeted at Arch, but should work for other distros too.