Jeremie Deray artivis

Roboticist / Software Developer, ROS(2) / C++ enthusiast.

artivis / gui.yaml

Last active May 29, 2020 20:22

lxc profiles #lxc #lxd #linux container #GUI

	config:
	environment.DISPLAY: :0
	raw.idmap: both 1000 1000
	description: Enables graphical apps use.
	devices:
	X0:
	path: /tmp/.X11-unix/X0
	source: /tmp/.X11-unix/X0
	type: disk
	mygpu:

artivis / crtp.cpp

Created May 20, 2020 23:57

some crtp base class #cpp #c++ #crtp

	#include <type_traits>
	#include <utility>

	template <typename Derived>
	struct Crtp {
	protected:
	inline Derived& derived() & noexcept {
	return static_cast< Derived >(this);
	}
	inline const Derived& derived() const & noexcept {

artivis / cockpit-temperature-plugin-sys-temp.patch

Last active March 7, 2020 17:02

cockpit-temperature-plugin small fix for RaspberryPi + Ubuntu Server.

	From 7e69b28973c4cf5d7580dd3dad9fda8de245f1a7 Mon Sep 17 00:00:00 2001
	From: artivis <deray.jeremie@gmail.com>
	Date: Sat, 7 Mar 2020 11:53:21 -0500
	Subject: [PATCH] fix for raspi+ubuntu18.04

	---
	temperature.js \| 4 ++--
	1 file changed, 2 insertions(+), 2 deletions(-)

	diff --git a/temperature.js b/temperature.js

artivis / crtp_default_impl.cpp

Last active November 2, 2018 11:58

[c++] CRTP with default impl

	#include <iostream>
	#include <type_traits>

	#define USE_DEFAULT

	// 2 different traits to test if a class has the function 'process'

	template<typename T>
	struct HasProcess
	{

artivis / debug_example.launch

Last active October 23, 2018 10:27

[ROS] optional debugging in launch file

	<launch>
	<!-- This only works starting from ROS Kinetic -->

	<!-- Allows for passing custom launch-prefix -->
	<arg name="launch_prefix" default=""/>

	<!-- Launch node through a debugger (valgrind/gdb/rr) -->
	<arg name="debugger" default=""/>

	<arg name="launch_prefix_switch" value="gdb -ex run --args" if="$(eval debugger=='gdb')" />

artivis / gaussian_noise_generator.h

Created May 7, 2018 07:28

Simple Gaussian Noise Generator

	template <typename _Scalar = double>
	class GaussianNoiseGenerator
	{
	using Clock = std::chrono::system_clock;
	using Scalar = _Scalar;

	public:

	GaussianNoiseGenerator(const Scalar mean,
	const Scalar std)

artivis / optional_ref.h

Last active May 6, 2018 12:58

[cpp17] work-around std::optional<T&>

	#include <functional>
	#include <iostream>
	#include <optional>

	struct Foo
	{
	void read(const std::optional<std::reference_wrapper<std::string>>& text)
	{
	if (text)
	std::cout << (*text).get() << "\n";

artivis / crtp_sfinae_default_func.cpp

Last active March 20, 2018 13:47

Fun with CRTP

	// Example program
	#include <iostream>
	#include <string>

	template<class, typename T, class...> struct has_speak_m_impl : std::false_type {};
	template<typename T, class... Args> struct has_speak_m_impl<decltype( std::declval<T>().speak(std::declval<Args...>()) ), T> : std::true_type {};
	template<typename T, class... Args> struct has_speak_m : has_speak_m_impl<void, T, Args...> {};

	template <typename Derived>
	struct BaseInterface

artivis / CmakeLists.txt

Created January 15, 2018 16:22

Latex + Cmake

	cmake_minimum_required(VERSION 2.8.4)

	project(my_latex_report NONE)

	include(UseLatex.cmake)
	UseLatex()

	add_latex_document(my_latex_report.tex
	INPUTS Introduction.tex
	BIBFILES references.bib

artivis / eigen_checks.h

Last active May 8, 2018 09:02

some macro for assert Eigen types dimension

	#ifndef _EIGEN_CHECKS_H_
	#define _EIGEN_CHECKS_H_

	/**
	* @note static_cast<int> to avoid -Wno-enum-compare
	*/

	//////////////////////
	/// Static Asserts ///
	//////////////////////