cadojo

using Git
using TOML

commit_exists(hash::AbstractString) =
    try
        run(pipeline(git(["cat-file", "-t", hash]); stdout = devnull))
        return true
    catch e
        @error "$e"
        return false

cadojo

#include <stdio.h>

/**
 * It looks like you can produce integers by escaping octal numbers.
 * What's happening when you exceed the bounds of an octal digit, i.e.
 * '\8' or '\9'?
 **/

int main(void) {

cadojo

using Plots
using Unitful
using DifferentialEquations
using GeneralAstrodynamics
using LazySets

# Find a periodic orbit near Earth (orbit, period)
Oₑ, Pₑ = halo(SunEarth; Az=100_000u"km", L=2)

# Find a periodic orbit near Jupiter (orbit, period)

cadojo

#!/usr/bin/sh
#
# Fetch JPL Horizons ephemeris files for all 
# of the ~popular~ solar system bodies
#
# Requirements: UNIX system, expect, inetutils, moreutils, sponge
# If you have a Windows system, check out the Windows Subsystem for Linux!
#
# Usage:
# 1) Download ftp://ssd.jpl.nasa.gov/pub/ssd/SCRIPTS/vec_tbl

cadojo