Justin Buchanan justbuchanan

Roboticist, Software Engineer

justbuchanan / gist:c8379cf0e6b69ff75f905dfd67641e2e

Created March 25, 2025 15:41

esp-idf-svc littlefs compilation failure repro

test

justbuchanan / tree.py

Created November 14, 2020 09:59

recursive tree-building in python

	# Creates a binary tree of depth `d`. Each node is represented as a python `dict`,
	# with the value of the key "leaf" as a boolean indicating whether or not the node is a leaf node.
	def make_tree(d):
	assert d > 0
	if d == 1: return {"leaf": True}
	else: return {"leaf": False, "left": make_tree(d-1), "right": make_tree(d-1)}

	make_tree(1)
	# {'leaf': True}

justbuchanan / .bazelrc

Last active October 13, 2020 19:23

Use github.com/kythe/kythe as a bazel dependency

	# Ensure clang is used, by default, over any other C++ installation (e.g. gcc).
	build --client_env=CC=clang
	# We require C++17, but bazel defaults to C++0x (pre-C++11).
	build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 --client_env=BAZEL_CXXOPTS=-std=c++17

justbuchanan / .gitignore

Last active December 4, 2018 04:26

Example of bazel analysis failure related to kythe's llvm setup

/bazel-*

justbuchanan / BUILD

Last active November 9, 2018 20:35

Example of bug with rules_go + cgo + bazel aspects. https://github.com/bazelbuild/rules_go/issues/1821

	load("@io_bazel_rules_go//go:def.bzl", "go_binary")

	go_binary(
	name = "main",
	srcs = ["main.go"],
	cgo = True,
	)

	action_listener(
	name = "my_action_listener",

justbuchanan / trump_tax.py

Created November 10, 2017 17:33

How does your income tax compare now vs with the new GOP/Trump tax brackets?

	#!/usr/bin/env python3

	# data from: https://smartasset.com/taxes/heres-how-the-trump-tax-plan-could-affect-you
	# note: this applies to single filers only

	import matplotlib.pyplot as plt
	import numpy as np

	brackets_old = [
	(9325.0, .1),

justbuchanan / PKGBUILD-libfreenect2

Created January 13, 2017 05:19

	# Maintainer: Maarten de Vries <[email protected]>
	# Contributor: Nathan Ringo <[email protected]>

	pkgname=libfreenect2
	pkgver=0.2.0
	pkgrel=3
	pkgdesc="Open source drivers for the Kinect for Windows v2"
	arch=(i686 x86_64)
	url="http://openkinect.org"
	license=(Apache GPL)

justbuchanan / PKGBUILD-ros-jade-rosserial-arduino-0.7.5

Created December 6, 2016 07:54

	# Script generated with import_catkin_packages.py
	# For more information: https://github.com/bchretien/arch-ros-stacks
	pkgdesc="ROS - Libraries and examples for ROSserial usage on Arduino/AVR Platforms."
	url='http://ros.org/wiki/rosserial_arduino'

	pkgname='ros-jade-rosserial-arduino'
	pkgver='0.7.5'
	_pkgver_patch=0
	arch=('any')
	pkgrel=0

justbuchanan / PKGBUILD-ros-jade-rosserial-client-0.7.5

Created December 6, 2016 07:49

	# Script generated with import_catkin_packages.py
	# For more information: https://github.com/bchretien/arch-ros-stacks
	pkgdesc="ROS - Generalized client side source for rosserial."
	url='http://ros.org/wiki/rosserial_client'

	pkgname='ros-jade-rosserial-client'
	pkgver='0.7.5'
	_pkgver_patch=0
	arch=('any')
	pkgrel=1

justbuchanan / PKGBUILD-ros-jade-rosserial-msgs-0.7.5

Last active December 6, 2016 07:52

	# Script generated with import_catkin_packages.py
	# For more information: https://github.com/bchretien/arch-ros-stacks
	pkgdesc="ROS - Messages for automatic topic configuration using rosserial."
	url='http://ros.org/wiki/rosserial_msgs'

	pkgname='ros-jade-rosserial-msgs'
	pkgver='0.7.5'
	_pkgver_patch=0
	arch=('any')
	pkgrel=0