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@cdown
cdown / gist:5c5b53e1855d7812dfbc
Last active October 30, 2024 15:12
Debian chroot inside Arch
pacman -S wget # needed for debootstrap
curl -o /tmp/db.deb http://ftp.debian.org/debian/pool/main/d/debootstrap/debootstrap_1.0.60~bpo70+1_all.deb
mkdir /opt/debootstrap
cd /opt/debootstrap
ar x /tmp/db.deb
tar xf data.tar.gz
mkdir /opt/debian
@rygorous
rygorous / gist:4172889
Created November 30, 2012 00:28
SSE/AVX matrix multiply
#include <immintrin.h>
#include <intrin.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
union Mat44 {
float m[4][4];
__m128 row[4];
};
@timnew
timnew / Rename.ps1
Last active October 15, 2025 14:30
Script to Rename Computer without Reboot
$ComputerName = "New Name"
Remove-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "Hostname"
Remove-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "NV Hostname"
Set-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\Computername\Computername" -name "Computername" -value $ComputerName
Set-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\Computername\ActiveComputername" -name "Computername" -value $ComputerName
Set-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "Hostname" -value $ComputerName
Set-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "NV Hostname" -value $ComputerName
Set-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" -name "AltDefaultDomainName" -value $ComputerName
@jeffery
jeffery / GitRepoUpdateTimestamp.sh
Created July 30, 2011 13:04
Update Timestamp of files in Checked-out Git Repository
#!/bin/bash -e
####
# Helper script to update the Last modified timestamp of files in a Git SCM
# Projects working Copy
#
# When you clone a Git repository, it sets the timestamp of all the files to the
# time when you cloned the repository.
#
# This becomes a problem when you want the cloned repository, which is part of a
# Web application have a proper cacheing mechanism so that it can re-cache files