lcamtuf’s thing

Weekend trivia: your process' memory is a file

The underappreciated gem of /proc/<pid>/mem

Jun 1

25

7

May 2026

A nicer voltmeter clock

Sometimes, electronic circuit design is mostly about wood

May 16

45

27

4

April 2026

A breakthrough in C/C++ dependency management

Are you a C or C++ programmer?

Apr 25

56

14

2

The Secret Life of Circuits

Many of you follow this blog because of the regular features about electronic circuit design.

Apr 16

47

17

5

Why I refrain from infosec punditry

If you know about my professional background, the most puzzling aspect of this Substack must be that I don’t use it to talk about my primary field of…

Apr 16

56

7

March 2026

Conway's Game of Life, in real life

When life gives you switches...

Mar 19

49

18

5

How much of HN is AI?

I have a complicated relationship with Hacker News. The site is the most important aggregator of geek news and a major source of traffic to this blog…

Mar 12

25

6

1

February 2026

Approximation game

The number 22/7 and the pigeon flock of Peter Gustav Lejeune Dirichlet.

Feb 28

12

2

1

Unreal numbers

Reals are really weird.

Feb 15

24

12

2

It's all a blur

Designing a slightly sneaky blur filter and then poking holes in it.

Feb 6

61

11

6

January 2026

You gotta think outside the hypercube

A closer look at the tesseract and the ways we can render it on the screen.

Jan 26

33

5

1

See it with your lying ears

This blog has a history of answering questions that no one should be asking. Today, we continue that proud legacy.

Jan 10

35

10

2