oliora’s gists

oliora / pretty-json.sh

Last active August 1, 2018 10:05

one-liner to prettify json

alias pretty-json="python -c 'import json; import sys; json.dump(json.load(open(sys.argv[1], \"r\") if len(sys.argv) > 1 else sys.stdin), sys.stdout, indent=2)'"

oliora / narrow.h

Last active May 17, 2018 16:40

Function fallback

	std::string wstr_to_utf8(boost::wstring_view);

	namespace detail {
	template<class T, class = void>
	struct narrow_impl
	{
	template<class U>
	static U&& invoke(U&& s) noexcept
	{
	static_assert(std::is_same<T, U&&>::value, "error");

oliora / make_handle.h

Last active May 18, 2018 06:26

make_handle

	// version 1.0
	template<class T, class D>
	inline auto make_handle(T* p, D&& d) noexcept(std::is_nothrow_constructible<typename std::decay<D>::type, D&&>::value)
	-> std::unique_ptr<T, typename std::decay<D>::type>
	{
	return {p, std::forward<D>(d)};
	}

	auto h1 = make_handle(fopen("test", "r"), fclose);
	auto h2 = make_handle(dlopen("bla"), dlclose);

oliora / extra_formatters.py

Last active February 5, 2019 16:49

Extra LLVM formatters

	"""
	Extra LLDB Formatters

	Contains formatters for:
	- `llvm::SmallVector` - https://llvm.org/doxygen/classllvm_1_1SmallVector.html
	- `boost::container::flat_map` - https://www.boost.org/doc/libs/1_69_0/doc/html/boost/container/flat_map.html
	- `boost::optional` - https://www.boost.org/doc/libs/1_69_0/libs/optional/doc/html/index.html
	- `mpark::variant` - https://github.com/mpark/variant

	Load into LLDB with `command script import /path/to/extra-formatters.py`

oliora / safe_advance.h

Last active September 26, 2019 02:38

Implementation of safe std::advance, std::next and std::prev similar to proposed N4317 paper "New Safer Functions to Advance Iterators"

	// N4317 "New Safer Functions to Advance Iterators" paper can be found at
	// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4317.pdf

	namespace detail {
	template<class InputIter>
	inline void do_advance(InputIter& it, InputIter end, typename std::iterator_traits<InputIter>::difference_type n, std::input_iterator_tag)
	{
	assert(n >= 0);
	for (; (n > 0) && (it != end); --n)
	++it;

oliora / type_t.h

Created March 4, 2020 08:56

type_t implementation and example

	template<class T, typename... Ts>
	using type_t = T;

	// Alternative implementation for compilers before
	// [CWG 1558](http://open-std.org/JTC1/SC22/WG21/docs/cwg_defects.html#1558)
	// template<class T, typename... Ts> struct type_t_impl { typedef T type;};
	// template<class T, typename... Ts> using type_t = typename type_t_impl<T, Ts...>::type;


	// Usage example:

oliora / groupby_to_dict.py

Created November 6, 2020 09:04

A Python one liner to group list of items into a dictionary of lists

	# One-liner

	# items = [(1, 'a'), (2, 'b'), (3, 'c'), (1, 'd'), (3, 'e'), (1, 'f')]
	reduce(lambda d, item: d.setdefault(item[0], []).append(item) or d, items, {})
	# >>> {1: [(1, 'a'), (1, 'd'), (1, 'f')], 2: [(2, 'b')], 3: [(3, 'c'), (3, 'e')]}


	# Featured function

	def groupby_to_dict(iterable, key=None, value=None):

oliora / prompt.zsh

Created September 22, 2021 10:47

zsh prompt

	ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[yellow]%}["
	ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%} "
	ZSH_THEME_GIT_PROMPT_DIRTY="]%{$fg[red]%}✗"
	ZSH_THEME_GIT_PROMPT_CLEAN="]"

	export PROMPT='%{$BG[237]%}%{$fg[white]%}💰 %3c%{$reset_color%} $(git_prompt_info)'

oliora / The white town 1 - townscaper

Last active October 29, 2021 19:31

KSSGuvxn6Pi6x2pu1m3yvrgnDvLeg8S5JwbnHRPr_w-uIeI9z6LN9loec9FRdP7x2ah7U3aw743WBXwhrdyDkrlzNZe78s6LBdt0_yR3E7LNdTrfM19RUnyunlG22C3put5tyvrgnDvLuGI3S5mMv4_ROTDtfE0Dsfks1Q6B1Nsub15O0JqbVHt261my2e2ht1C3pubeH-uCeO8u4BzLlrmMXbnHRvmeWd7rbodLufWnwPbHaDSbi6W1GtWrXny2e2G2SLcbq7m3yvrgnDvLeg8S5JwrpnVvvuh2t4_TEfbMHbWrOnfuDdQaLTbi6W1RrrXnyundYbtxdq7m3yvrgnDvLegcwq3X3Q7b57HtcjZt6cQ6z0moOad96M29sDbX4O1dw743VxNHeXcwq3X3Q7naZ1qwlpjWb9aNjdP7x2FuTd38WVjfrqWBXVVVwhbW9_6uFrfizWdOad96M29sDbX4O1Nq28GVN_tqCaFcVNref9i7q_ks3QzWduVd0661Zs7ZH2uxtqm6WVt5tqqa8bV1K4Z1DtvVtf_yWdORdr6o11rwY3wOstqW4WVN1tqqq28WVN_dW9_6Pl6u1b2YjNpBJtMtJqbVb0arXnyundY7C3puV1m3Z1Lur6pNuysa_5O0BpLTnouVd0661Zs7ZH2uxdq7a6h2P9waH6g0lpTU3qOad96M29s7rf2it6s5n7QbQ6z0JqVbVpGtStetaG7s6nJ4kxthjEHbu6c_Z7QHkuMtaia1W1qRrVrXX4O1dwbN_tWBXwhr103g36C6O79BAuEsJhtNsRi1GwymjWH2uxd87K4qR0fa3_cu1g3PAYtEcS42xRiNts2YWtndYbLc38O_NqVQtdeEdfQ3uBgtEcS42xRitogmWUrXbG7e2htLcn62m3qyPNZe7cjobNdwq7JA2SxmE22xGJWDJrFl10zRrrXny2e2ht1C3puLlnM325R0rpnV3tH8DAWDJXUOtcrajWXvOjdP7x2ahbNQepcTm3OPiu109MBHSuoc

oliora / .shellrc

Last active May 5, 2022 18:21

tmux and ssh agent

	# Add this to ~/.bashrc or ~/.zshrc or whatever shell you use

	if [ -e $HOME/.ssh/ssh_auth_sock ]; then
	export SSH_AUTH_SOCK=$HOME/.ssh/ssh_auth_sock
	fi

Andrey Upadyshev oliora