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Spaced Repetition
Efficient memorization using the spacing effect: literature review of widespread applicability, tips on use & what it’s good for.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 33 posts.
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Pmarca Guide to Personal Productivity (2007)
An archive of the best articles from Marc Andreessen’s now defunct blog
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Cool but obscure X11 tools
Cool, but obscure X11 tools.
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Calorie per Dollar List – Eat for 21 Dollars a Week
3 Years ago, my wife and I were starting Grad School, and we needed to save $30,000 a year. I remember in college I’d ask:
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Addition Font
Shaping When laying out text using a font file, the code points in the string are mapped one-to-one to glyphs inside the file. A glyph...
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Low-Cost VPS Testing
Last time around I was looking for a large dedicated VPS in the $100/month price range. Since then I have started deploying a lot more tiny cloud instances that cost less than $10/month to run just one or two apps. So this time around I am looking for the best bang for the buck for less $10 per month. Unmanaged, of…
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Thoughts on macOS Package Managers
Saagar Jha's website.
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Why Bother with What Three Words?
I'll be wording this post carefully as What 3 Words (W3W) have a tenacious PR team and, probably, have a lot more lawyers than I do. W3W is a closed product. It is a for-profit company masquerading as an open standard. And that annoys me. A brief primer. The world is a sphere. We can reference any point on the surface…
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Mail Data Loss in macOS 10.15
I’m working on more posts about the Catalina release, but I wanted to start with a short warning. I’ve heard a bunch of reports of data loss in Apple Mail. Thankfully, none seem to be caused by my apps . (Ironically, one of the bugs I’ve encountered is the inability to delete messages via AppleScript.) And, in fact…
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I do not use a debugger (2016)
I learned to program with BASIC back when I was twelve. I would write elaborate programs and run them. Invariably, they would surprise me by failing to do what I expect. I would struggle for a time, but I'd eventually give up and just accept that whatever "bugs" I had created were there to stay. … Continue reading I…
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Pair Locking Your iPhone
Learn how to pair lock your iPhone to break law enforcement forensics tools and protect your data.
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Programming the Z3 SMT solver
Abstract. This tutorial provides a programmer ' s introduction to the Satisfiability Modulo Theories Solver Z3. It describes how to use Z3 through scripts, provided in the Python scripting language, and it describes several of the algorithms underlying the decision procedures within Z3. It aims to broadly cover almost…
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Lexical differential highlighting instead of syntax highlighting
This type of highlighting is ideal for assembly. With it, the things that shouldn't seem similar usually don't.
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Debugging in Vim
Vim 8.1 was released in May 2018. The “main new feature” was official support for running a terminal within vim. Along with this came a built-in debugger plugin, termdebug, which provid…
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Running a Bakery on Emacs and PostgreSQL
Just over a year ago now, I finally opened the bakery I’d been dreaming of for years. It’s been a big change in my life, from spending all my time sat in front of a computer, to spending most of it making actual stuff. And stuff that makes people happy, at that. It’s been a huge change, but I can’t think of a single…
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An opinionated approach to GNU Make
Your Makefiles are full of tabs and errors. An opinionated approach to writing (GNU) Makefiles that I learned from Ben may still be able to salvage them.
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Making Git and Jupyter Notebooks play nice
Summary: jq rocks for speedy JSON mangling. Use it to make powerful git clean filters, e.g. when stripping out unwanted cached-data from Jupyter notebooks. You can find the documentation of git 'clean' and 'smudge' filters buried in the page on git-attributes , or see my example setup below.
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Why to use ‘python -m pip’
Fellow core developer and Canadian, Mariatta, asked on Twitter about python -m pip and who told her about that idiom along with asking for a reference explaining it: I learned sometime ago that we should be doing `python -m pip install ...` instead of simply `pip install ...` but now I can'
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Turning a MacBook into a Touchscreen with $1 of Hardware (2018)
We turned a MacBook into a touchscreen using only $1 of hardware and a little bit of computer vision.
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Some Details of My Personal Infrastructure
Some of Stephen Wolfram’s “productivity hacks” to make his days and projects more productive. Daily life, desk environment, outside the office, presentation setup, filesystem organization, Wolfram Notebook systems, databases, personal analytics.
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Htop Explained
Explanation of everything you can see in htop/top on Linux
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