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109 posts total
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Everything on idtech.space is doomscrolling.

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2000s network programmers: It's fast because it runs in kernel space without user overhead.
2020s network programmers: It's fast because it runs in user space without kernel overhead.

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ifconfig is deprecated on Linux, but it's a missed opportunity to name the new one elseconfig

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Q: Why can't iOS App Store programs process 32-bit integers greater than 2147483647?

A: Everything must be signed.

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USB-C, USB K&R C, USB C89, USB-C99, USB-C11, USB-C23, USB-C++, USB Obj-C.

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$ touch grass
touch: cannot touch 'grass': Permission denied

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How to understand hardware implementation details in your machine.
1980s: Read a manual called Principles of Operation.
2020s: Solve a jigsaw puzzle by putting various sources of information together, like marketing materials, PC hardware review articles, programming blogs, mailing list and source code, microbenchmark results, research papers, and sometimes a tweet from the chip's chief architect.

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Fediverse - friends come and go but enemies accumulate.

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In numerical weather prediction, the measurement of a computer model's accuracy is called "skill".

Americans: "The US GFS forecasts of Hurricane Sandy were wrong for 3 days!"
European meteorologists: "skill issue."

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It's called Misskey because it's missing some keys in the database index so the queries are very slow.

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