mogenson

ffi = require("ffi")
C = ffi.C

ffi.cdef([[
typedef struct objc_object *id;
typedef struct objc_selector *SEL;
id objc_getClass(const char*);
SEL sel_registerName(const char*);
id objc_msgSend(id,SEL);
id NSPasteboardTypeString;

mogenson

#!/usr/bin/env lua

local uv = require("luv")

local port = arg[1] or "/dev/ttyUSB0"
local baud = arg[2] or 115200

local read_fd = assert(uv.fs_open(port, "r", tonumber("666", 8)))
local write_fd = assert(uv.fs_open(port, "w", tonumber("666", 8)))
os.execute("stty -F " .. port .. " " .. baud .. " raw -echo -echoe -echok")

mogenson

# lua.nix

{ config, lib, pkgs, ... }:

with pkgs; let
  luaprompt = luajitPackages.buildLuarocksPackage {
    pname = "luaprompt";
    version = "0.7-1";
    knownRockspec = (fetchurl {
      url = "https://luarocks.org/luaprompt-0.7-1.rockspec";

mogenson

{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/refs/tags/21.05.tar.gz") { }
, pkgs_x86_64 ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/refs/tags/21.05.tar.gz") { localSystem = "x86_64-darwin"; }
}:
with pkgs.python38Packages;
let
  cascadetoml = buildPythonPackage rec {
    pname = "cascadetoml";
    version = "0.3.0";

    src = fetchPypi {

mogenson

#!/bin/bash

IP=192.168.86.24
PORT=38899

while :
do
    HOURS=$(date +"%-H")
    MINUTES=$(date +"%-M")
    MINUTES=$(($HOURS * 60 + $MINUTES))

mogenson

/* Copyright (c) 2019 Michael Mogenson
 * MIT license https://opensource.org/licenses/MIT
 */

/* This contrived example demonstrates the use of the comma operator and
 * variadic arguments to create a function-like macro that accepts an optional
 * argument and provides a default value when no argument is supplied.
 *
 * C's comma operator will evaluate the statement to the left of the comma and
 * return the value of the statement to the right. The line `if (i++, true)` is

mogenson

class EnumType {
  static const int one = 1;
}

void printEnum(EnumType number) {
  print(number);
}

void main() {
  printEnum(EnumType.one);

mogenson

Dell 5530 Arch Linux Installation Guide

This following instructions install Arch Linux on a Dell 5530 laptop. This installation uses systemd for boot. It sets up a 30GB root partition and an encrypted user partition that is decrypted and mounted on login. Let's get started.

Base installation

Download and write the Arch Linux installation ISO to a flash drive. Insert flash drive, press power, hold F12, and select flash drive to boot.

Set system clock:
timedatectl set-ntp true

mogenson

#!/usr/bin/env python3

import requests
import sys
import re

# parse command line arguements
if len(sys.argv) != 3:
    print("Usage: {} latitude longitude".format(sys.argv[0]))
    sys.exit()

mogenson

unmap("b");
map("b", "S");
map("m", "d");
map(",", "e");
map("H", "E");
map("L", "R");