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John A Cairns – Category tech - AI智能索引
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John A Cairns – Category tech Manzikert 2021 John A Cairns

About John P&S Military news tech books history food My Author Page GitHub jac1828.eth LinkedIn FD311EE84C8... converse.xyz LibriVox Mike Riley John Winan's Basement Home Atom Checksmix - Blazing Fast MMIX Posted on Fri 26 December 2025 in tech • Tagged with rustlang, mmix, emulator, assembler

Blazing Fast MMIX Emulator I like learning computer architectures by running code. MIX is good fun, but it’s dated and awkward for writing anything beyond small examples. MMIX, on the other hand, is a complete computer architecture—much closer to machines that were genuinely pleasant to program, like MIPS …


Continue reading Rename the Way You Mean To Posted on Mon 22 December 2025 in tech • Tagged with rustlang, cli, algorithms, dx, unix

I rename a lot of files. So do you.

I respect the Unix way — mv file1 file2 — but in practice, file1 and file2 are usually the same name failing by one to three characters. Re-typing 97% of a filename feels ceremonial rather than intentional, especially when what I want is …


Continue reading mastering mark in emacs Posted on Sat 22 November 2025 in tech • Tagged with programming, emacs, productivity

C-x C-x is teleport for your mark.

C-x h is “select literally everything right now”!

c-style for loop in bash Posted on Fri 14 November 2025 in tech • Tagged with programming, rustlang, c

How did i not know that you can make a c-style for loop in bash

$ for (( i=0; i5; i++ )) do echo $i done Every Light Meter Tutorial on YouTube Is Wrong Posted on Fri 14 November 2025 in tech • Tagged with photography, videography, lighting

How to use a lightmeter with your digital camera in 2025!

Parsm - an Everything Parser Posted on Sun 29 June 2025 in tech • Tagged with unix, sed, awk, grep, rustlang

Introducing Parsm: A Universal Structured Text Parser

When scientists and engineers created the UNIX system, they built utilities that each performed a specific task exceptionally well. Commands such as grep, awk, and sed have become the atoms of text and data processing workflows. However, today's computing landscape is dominated by …


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