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@lbruder
lbruder / lbForth.c
Created April 6, 2014 15:21
A minimal Forth compiler in ANSI C
/*******************************************************************************
*
* A minimal Forth compiler in C
* By Leif Bruder <leifbruder@gmail.com> http://defineanswer42.wordpress.com
* Release 2014-04-04
*
* Based on Richard W.M. Jones' excellent Jonesforth sources/tutorial
*
* PUBLIC DOMAIN
*

DX7

image

Note: One of the algorithms is incorrect due to a missing operator. Need to update the image. Will have to get on that soon.

These are the original 32 algorithms as used in Yamaha DX7.

The later Yamaha FS1R and Yamaha SY77 may have compatibility with these algorithms, but that's beyond the current scope. The FS1R contains 88 algorithms, while the SY77 contains 45 algorithms.

@rudelm
rudelm / autofs.md
Last active May 15, 2024 17:28
Use autofs on Mac OS X to mount network shares automatically during access

Autofs on Mac OS X

With autofs you can easily mount network volumes upon first access to the folder where you want to mount the volume. Autofs is available for many OS and is preinstalled on Mac OS X so I show you how I mounted my iTunes library folder using this method.

Prepare autofs to use a separate configuration file

autofs needs to be configured so that it knows where to gets its configuration. Edit the file /etc/auto_master and add the last line:

#
# Automounter master map
#

+auto_master # Use directory service

@azadkuh
azadkuh / vim-cheatsheet.md
Last active May 3, 2024 11:50
vim / vimdiff cheatsheet - essential commands

Vim cheat sheet

Starting Vim

vim [file1] [file2] ...

@mamonu
mamonu / qcow2vdi.sh
Last active April 22, 2024 09:39
convert a qcow2 vm to a VirtualBox vm format
qemu-img convert -O vdi gnome.qcow2 gnome.vdi
#if its a raw image then:
VBoxManage convertdd opnstk.raw VBox.vdi --format VDI
@estorgio
estorgio / Mounting VirtualBox shared folders on Ubuntu Server 18.04 LTS (Bionic Beaver).md
Last active April 19, 2024 16:34
Mounting VirtualBox shared folders on Ubuntu Server 18.04 LTS (Bionic Beaver)

Mounting VirtualBox shared folders on Ubuntu Server 18.04 LTS (Bionic Beaver)

This guide will walk you through the steps on how to setup a VirtualBox shared folder inside your Ubuntu Server guest.

Prerequisites

This guide assumes that you are using the following setup:

You could still make this guide work with other setups (possibly with some modifications to the commands and whatnot).

@luzhuomi
luzhuomi / pocketchip_debian10.md
Last active April 16, 2024 13:05
A tutorial to upgrade NXT pocket C.H.I.P to Debian Buster

Pocket Chip Debian 10 Upgrade Guide

The purpose of this tutorial is to walk through the required steps to upgrade NXT chip (or pocketchip) from debian jessie to debian buster.

If you would like to start your Chip from scratch, follow the steps in the Preparation section.

Preparation (Optional)

A linux host machine, recommended Ubuntu 18.04. However I managed to do it with 20.10 with some tweak.

import collections
import math
import os
import cv2
import numpy as np
import time
MAX_LINES = 4000
N_PINS = 36*8
MIN_LOOP = 20 # To avoid getting stuck in a loop
@geerlingguy
geerlingguy / pi-cpu-stress.sh
Last active March 28, 2024 15:20
Raspberry Pi CPU temperature and throttling test script
#!/bin/bash
# Raspberry Pi stress CPU temperature measurement script.
#
# Download this script (e.g. with wget) and give it execute permissions (chmod +x).
# Then run it with ./pi-cpu-stress.sh
#
# NOTE: In recent years, I've switched to using s-tui. See:
# https://github.com/amanusk/s-tui?tab=readme-ov-file#options
# Variables.
@ttscoff
ttscoff / appinfo.md
Last active March 4, 2024 12:00
appinfo: A quick ruby script for Mac that returns some information for a specified Mac app in Terminal. Includes icon display if using imgcat or chafa are available.

appinfo

A script for getting details of installed Mac apps. Like Get Info but faster and cooler.

Save the script below as appinfo somewhere in your path. Make it executable with chmod a+x appinfo. Then just run appinfo APPNAME to get info on any installed app.