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Alien Signals
Memories of long-ago Sunday nights on the road.
New
The latest blog posts to take off on Hacker News. 5,567 posts.
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Professor suspended for saying 那个 nà ge
August 28, 2020 @ 6:53 pm · Filed by Victor Mair under Fillers and pause words , Grammar , Mannerisms , Speech-acts
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Things I Learned to Become a Senior Software Engineer
Everything I learned to become a senior software engineer. From good skills to have, to dealing with difficult engineering problems.
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International Space Station 437.800 MHz cross band FM repeater activated
At 01:02 GMT on September 2 a cross band FM amateur radio repeater with a downlink on 437.800 MHz was activated on the International Space Statio. The Amateur Radio on the International Space Stati…
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PostgreSQL B-Tree index deduplication
PostgreSQL 13 development is coming along nicely, Postgres 13 Beta3 was released on 8/13/2020 . The Postgres Beta 1 and 2 releases were released in May and June 2020. One of the features that has my interest in Postgres 13 is the B-Tree deduplication effort. B-Tree indexes are the default indexing method in Postgres…
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Elixir Is Erlang, not Ruby
Elixir is not Ruby. The familiar syntax has definitely helped the language win the hearts of the broader developer community. Yet, under the hood, Elixir is all about Erlang.
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The Right to Repair could help address a critical shortage in school computers
Buying a refurbished computer can save money and cut waste. It might also be a key strategy in addressing the digital divide
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Hard to discover tips and apps for macOS
Inspired by a few different conversations with friends who’ve switched to macOS where I give them a whole bunch of tips and recommendations I’ve learned about over many years which are super important to how I use my computer, but often quite hard to find out about, I decided to write them all down:
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Attention is your scarcest resource
how to ration your shower thoughts • care viscerally • monotask • evade obligations • timebox bullshit
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Demonstrations and Political Violence in America: New Data for Summer 2020
The report covers 2020 trends in political violence and demonstrations in the US, focusing on the BLM movement.
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Common color mistakes and how to avoid them
Choosing good colors for your charts is hard. This article tries to make it easier.
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A floppy-disk Walkman using a Raspberry Pi
I have built the most inconvenient way of playing music! It is lo-fi awfulness and cyberpunk grungy. Thanks! I hate it! Ingredients Raspberry Pi USB floppy drive Audio Cable / Headphones USB Battery WHY?!?! As I discussed yesterday, it's possible to fit half an hour of speech on a single floppy disk. The best band in…
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The Art of Debating for Software Developers
The keys to debate effectively as a software developer and therefore bringing value to yourself and your company.
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How to take back control of /etc/resolv.conf on Linux (2018)
Take manual control of your Linux system’s DNS resolution and keep programs from interfering with and overwriting your resolv.conf file.
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I can't believe I'm praising Tcl (2008)
So the other day I both defined Tcl procedures all by myself and used them interactively, and I liked it, to the point where it felt like some kind of local optimum. This entry is an attempt to cope with the trauma of liking Tcl, by means of rationalizing it. I'll first tell the story of my fascinating adventures, and…
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Compiling a Lisp to x86-64: primitive functions
Compiling Lisp primitive unary functions to x86-64
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Traffic Prediction with Advanced Graph Neural Networks
By partnering with Google, DeepMind is able to bring the benefits of AI to billions of people all over the world. From reuniting a speech-impaired user with his original voice, to helping users discover personalised apps, we can apply breakthrough research to immediate real-world problems at a Google scale. Today…
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How can you make subjective time go slower?
Lots of people focus on living an objectively longer life by eating well and exercising.
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The Stack Monoid
(Updated 2020-09-06 with pointers to related work and a bit more explanation)
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Post-Covid heart damage in some children: study
Multisystem inflammatory syndrome in children (MIS-C), believed to be linked to COVID-19, damages the heart to such an extent that some children will need lifelong monitoring and interventions, said the senior author of a medical literature review published Sept. 4 in EClinicalMedicine, a journal of The Lancet. Case…
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8086 Microcode Disassembled
Recently I realised that, as part of his 8086 reverse-engineering series, Ken Shirriff had posted online a high resolution photograph of the 8086 die with the metal layer removed . This was something I have been looking for for some time, in order to extract and disassemble the 8086 microcode. I had previously found…
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Charge more for app subscriptions
The conventional wisdom for app subscriptions is to price affordably, like $1.99/month, and hopefully attract lots of subscribers at a low price. Then by having low pricing, fewer will reject the idea of subscriptions, and you’ll make up the difference with volume. But this is the wrong
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