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luisdelarosa / arc4random and arc4random_uniform
Created April 24, 2012 18:15
From http://www.opensource.apple.com/source/OpenSSH/OpenSSH-166/openssh/openbsd-compat/bsd-arc4random.c
/*
* Copyright (c) 1999,2000,2004 Damien Miller <djm@mindrot.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@luisdelarosa
luisdelarosa / MainActivity.java
Created February 20, 2014 04:15
Visualize sound in Android From http://stackoverflow.com/questions/5511250/capturing-sound-for-analysis-and-visualizing-frequencies-in-android
package com.example.frequencytest;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.media.AudioFormat;
import android.media.AudioRecord;
import android.media.MediaRecorder;
@luisdelarosa
luisdelarosa / ansible-bootstrap-ubuntu-16.04.yml
Last active January 29, 2017 22:30 — forked from gwillem/ansible-bootstrap-ubuntu-16.04.yml
Get Ansible to work on bare Ubuntu 16.04 without python 2.7
# Add this snippet to the top of your playbook. We'll refer to this as "your-playbook.yml"
# It will install python2 if missing (but checks first so no expensive repeated apt updates)
# gwillem@gmail.com
# Assumes that you are not running as root
# Run via: "ansible-playbook --ask-become-pass your-playbook.yml"
# v1.1 by luis@luisdelarosa.com / @louielouie
- hosts: all
gather_facts: False
@luisdelarosa
luisdelarosa / new_gist_file_0
Created January 29, 2017 22:37
Install Ansible on Ubuntu 16.04 [From http://docs.ansible.com/ansible/intro_installation.html]
$ sudo apt-get install software-properties-common
$ sudo apt-add-repository ppa:ansible/ansible
$ sudo apt-get update
$ sudo apt-get install ansible
@luisdelarosa
luisdelarosa / gist:4d893d851793a7d13112cc3288cca07d
Created January 29, 2017 22:38
Testing Ansible communication
ansible all -m ping
ansible all -a "/bin/echo hello"
@luisdelarosa
luisdelarosa / K Factor Test PETG.gcode
Created March 10, 2019 05:26
Linear advance K Factor Test for use with PETG filament
;K Line Test created by Sebastianv650
; from https://mattshub.com/2017/10/02/linear-advance/
; updated for PETG temperatures by luisdelarosa (@louielouie)
; hotend 240C
; bed 85C
M107
M83 ; extruder relative mode
M104 S240 ; set extruder temp
M140 S85 ; set bed temp
@luisdelarosa
luisdelarosa / gist:2384304a87c0a323c5f36879ce98a55f
Created October 22, 2021 18:25
install rust in WSL 2
sudo apt update
sudo apt install build-essential
asdf plugin-add rust https://github.com/asdf-community/asdf-rust.git
asdf install rust