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Bpftrace for Linux 2018
bpftrace (DTrace 2.0) for Linux 2018: the bpftrace front-end
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Reach for Markdown, not LaTeX
Writing should be a pleasant experience. With the right tools, it can be. LaTeX is powerful but cumbersome to use. With Markdown, we can focus on our writing, and worry about the presentation later. Pandoc can take care of the presentation for us, so the only thing left to do is start.
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Fridge 0.1
Imagine something really cool, like a fridge connected to a powerwall, powered entirely by solar panels. What could be cooler than that?
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You probably don't want to run Firefox Nightly any more
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…
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Regular Expressions – Mastering Lookahead and Lookbehind
Regex Lookahead and Lookbehind Tutorial. Explains the fine details of Lookahead and Lookbehind, including zero-width matches, overlapping matches and atomicity.
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How I slashed a SQL query's runtime with two Unix commands
I was trying to run a simple join query on MariaDB (MySQL) and its performance was horrendous. Here’s how I cut down the query’s run time from over 380 hours to under 12 hours by executing part of it with two simple Unix commands.
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Why Isn't Debugging Treated as a First-Class Activity?
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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Millitext – A subpixel text encoding font
Pixels of LCD monitors are usually composed of three stripes of the colors red, green, and blue. Tech enthusiast Matt Sarnoff used this property to his advantage when inventing [a subpixel text encoding font](http://www.msarnoff.org/millitext/). Its glyphs are comprised of colored strips only one pixel wide. But when…
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How to send local files to Chromecast with Python
How to stream local files using Python and 11 lines of code.
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Using GnuCash as a Freelancer to Track Finances and Prepare Taxes
GnuCash makes it easy to keep track of your money and it creates reports that will make your accountant happy.
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Reason ML toolchain
ReasonML advertises itself as Syntax and toolchain for OCaml. In this article, I'll try my best to explain what ReasonML offers to the…
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Lobotomizing Gnome
I have pretty basic needs from my desktop. I do 99% of my work using just three programs: a terminal emulator, Emacs, and Firefox. I don't want a lot of bells and whistles in my desktop, and I really just want it to get out of the way so I can do my work.
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The need for tooling and the need for mastering your tools
Couple months ago, a friend sent me this article about "Speed learner Max Deutsch challenging chess grandmaster Magnus Carlsen". My friend ...
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KDE Connect 1.10 released
Today we released version 1.10 of the KDE Connect Android app. Therefore it’s time again to share what we’ve been working on. Targeting Android Oreo As of this month app updates uploade…
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What happens when you grep the file you've redirected grep to?
I was recently eating lunch with someone who asked a question that I became somewhat obsessed with: what happens when you grep a file and append the contents...
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Elastic TabStops: A Better Way to Indent and Align Code (2017)
Elastic tabstops - a better way to indent and align code
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Tailwind: style your site without writing any CSS
Tailwind: style your site without writing any CSS!
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Questions to ask yourself when writing tests
Talk to yourself to make sure your tests help you achieve your aims
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Making an emperor bed
In 2012 or 2013, I stumbled across the Wikipedia page for Bed Sizes [ 1 ] and discovered that the UK had two sizes larger than America's King or California King: The Emperor (7'x7') and The Caesar (8'x7')
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Advantages of monolithic version control
Someone : Did you hear that Facebook/Google uses a giant monorepo? WTF! Me : Yeah! It's really convenient, don't you think? Someone : That's THE MOST RIDICULOUS THING I've ever heard. Don't FB and Google know what a terrible idea it is to put all your code in a single repo? Me : I think engineers at FB and Google are…
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Build your own IoT/MQTT node for less than $2
How to use a bare ESP-12F module as a standalone IoT/MQTT node — powered directly from a USB charger with just a handful of passive componen...