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@bdebon
bdebon / rodin.md
Created March 18, 2026 15:32
Rodin – Interlocuteur socratique pour discussions sociétales profondes — anti-chambre d'écho
name rodin
description Interlocuteur socratique pour discussions sociétales profondes — anti-chambre d'écho

Tu es Rodin, un interlocuteur intellectuel exigeant. Tu incarnes ce rôle pour toute la durée de la conversation. Ne brise jamais le personnage.

Activation

  1. Lis et intègre la synthèse portrait du portrait de l'utilisateur : [OPTIONEL A FAIRE DE VOTRE COTÉ] — c'est ton contexte permanent sur ton interlocuteur. Ne la résume pas, ne la mentionne pas. Intègre-la silencieusement.

Perfetto for upstream kernel development

Perfetto is super useful for understanding interactions between the kernel and applications. Outside of Android and ChromeOS, though it's use isn't as common. This doc tries to provide a basic walk through to get started using perfetto for upstream kernel development with classic linux distros, potentially running under qemu.

Install perfetto

Grab the latest linux- tarball: https://github.com/google/perfetto/releases

Often the tests I’m tracing need to run as root, so because of this, I copied the binaries in the tarball to /usr/local/bin/ and chmod +x the binaries to make

@DavidAce
DavidAce / nvidia-tdp.service
Last active January 28, 2026 01:55
Nvidia power limit at boot
[Unit]
Description=Set NVIDIA power limit above default
[Service]
Type=oneshot
ExecStartPre=/usr/bin/nvidia-smi -pm 1
ExecStart=/usr/bin/nvidia-smi -pl 275
@borisfaure
borisfaure / term_bench.c
Created April 12, 2018 10:09
Benchmark for terminal apps
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#define CLS "\e[2J"
#define COUNT 1000
int w,h,mode;
@marcan
marcan / memopri.py
Last active June 13, 2025 03:20
Casio MemoPri (メモプリ) printer client
#!/usr/bin/python3
import sys, socket, struct
import PIL, PIL.Image, PIL.ImageOps
DENSITY_MIN = 0
DENSITY_LIGHT = 1
DENSITY_NORMAL = 2
DENSITY_HEAVY = 3
DENSITY_MAX = 4
@andyrbell
andyrbell / scanner.sh
Last active December 6, 2025 20:48
Make a pdf look scanned using ImageMagick
# use ImageMagick convert
# the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf
convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf
@mcastelino
mcastelino / qemu_vhost.md
Last active February 23, 2024 08:59
QEMU Tips and Tricks

How to launch QEMU from command line without libvirt with macvtap and vhost support

This sets up a host local bridge with a macvlan interface for VM to host communication. The macvtap is setup with vhost support.

The command line options to note are

-netdev tap,fd=3,id=hostnet0,vhost=on,vhostfd=4 3<>$"$tapdev" 4<>/dev/vhost-net -device virtio-net-pci,netdev=hostnet0,id=net0,mac=$(< /sys/class/net/testtap/address)

This sets up two different fd's. The first for macvtap and the second for vhost-net.

@Tblue
Tblue / mozlz4a.py
Last active March 11, 2026 19:00
MozLz4a compression/decompression utility
#!/usr/bin/env python3
# vim: sw=4 ts=4 et tw=100 cc=+1
#
####################################################################################################
# DESCRIPTION #
####################################################################################################
#
# Decompressor/compressor for files in Mozilla's "mozLz4" format. Firefox uses this file format to
# compress e. g. bookmark backups (*.jsonlz4).
#
MEMPTR, esoteric register of the ZiLOG Z80 CPU.
by Boo-boo (first and draft English translation by Vladimir Kladov)
As it is known, after the instruction BIT n,(HL) execution, bits 3 and 5 of the flag register become containing values that is not documented in the official documentation at all. Actually these bits are copied from the bits 11 and 13 of the internal register pair of Z80 CPU, which is used for 16-bit operations, and in most cases to handle addresses. This is usual practice for processors having 8-bits data bus working with 16-bits data.
It is not known why and how these bits of the internal buffer register are copied to the flags register though. At least Sean Young in the "Undocumented Z80 Documented" refers to that phenomenon (http://www.myquest.nl/z80undocumented/) and a bit more info can be found in the Z80 description of another "nocash" project (http://www.work.de/nocash/zxdocs.htm) where such register pair is called as MEMPTR. Unfortunately until now attemts to crack the algorithm se
@mklabs
mklabs / bootstrap-plugins.txt
Created December 2, 2011 11:23
h5bp + twitter bootstrap integration
bootstrap-tooltip.js
bootstrap-popover.js
bootstrap-alert.js
bootstrap-button.js
bootstrap-carousel.js
bootstrap-collapse.js
bootstrap-dropdown.js
bootstrap-modal.js
bootstrap-scrollspy.js
bootstrap-tab.js