nevkontakte
/ ubuntu-cloud-bootable.sh
Created
June 26, 2013 10:03
Make Ubuntu Cloud images bootable in virtualbox. Pre-requirements: qemu-img (package qemu-utils in Ubuntu repo), extlinux
Tested under Ubuntu 13.04, might work on other linux distros. Get ubuntu image: http://cloud-images.ubuntu.com/precise/current/*.img
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| #!/bin/bash | |
| ## | |
| ## Usage: sudo ubuntu-cloud-bootable.sh precise-server-cloudimg-amd64-disk1.img | |
| ## | |
| set -e | |
| mount_point="$(mktemp -d)" | |
| raw="$(mktemp)" | |
| echo ">>> Converting to raw: $raw ..." |
nevkontakte
/ binary.cc
Created
December 9, 2012 13:56
Function to generate binary representation of arbitrary numeric type. Fast. Not thread-safe.
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| #include <iostream> | |
| template<typename T> char* binary(T n) { | |
| const int bits = sizeof(T)*8; | |
| static char str[bits+1]; | |
| str[bits] = 0; | |
| for(int i = 0; i < bits; i++) { | |
| str[bits-i-1] = '0' + (n & 1); | |
| n = n >> 1; | |
| } |
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