dtoma’s gists

dtoma / bf.cpp

Last active December 29, 2016 07:05

bf interpreter

	#include <cstdio>
	#include <functional>
	#include <unordered_map>
	#include <vector>

	// Notes
	// [some brainfuck fluff by daniel b cristofani](http://www.hevanet.com/cristofd/brainfuck/)
	// [The Epistle to the Implementors](http://www.hevanet.com/cristofd/brainfuck/epistle.html)
	// [The BrainFuck Compiler Collection](https://github.com/Sirflankalot/bfcc)

dtoma / ts.cpp

Created December 29, 2016 08:07

C++ timestamp with nanoseconds and timezone

	#include <chrono>
	#include <iomanip>
	#include <iostream>

	int main() {
	auto now = std::chrono::high_resolution_clock::now();
	auto time = std::chrono::system_clock::to_time_t(now);
	auto tm = *std::gmtime(&time);
	// auto tm = *std::localtime(&time);

dtoma / .gitconfig

Last active March 28, 2019 07:20

git config

	[alias]
	ls = log --pretty=format:"%C(yellow)%h\\ %ad%Cred%d\\ %Creset%s%Cblue\\ [%cn]" --decorate --date=short
	ll = log --pretty=format:"%C(yellow)%h\\ %ad%Cred%d\\ %Creset%s%Cblue\\ [%cn]" --decorate --numstat --date=short
	graph = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
	new = !sh -c 'git log $1@{1}..$1@{0} "$@"'
	st = status -s
	diff = diff --patience
	[user]
	email = [email]
	name = dtoma

dtoma / Makefile

Last active November 5, 2022 14:46

makefile rules to check style using clang-format

	style:
	@for src in $(SOURCES) ; do \
	echo "Formatting $$src..." ; \
	clang-format -i "$(SRC_DIR)/$$src" ; \
	clang-tidy -checks='-*,readability-identifier-naming' \
	-config="{CheckOptions: [ \
	{ key: readability-identifier-naming.NamespaceCase, value: lower_case },\
	{ key: readability-identifier-naming.ClassCase, value: CamelCase },\
	{ key: readability-identifier-naming.StructCase, value: CamelCase },\
	{ key: readability-identifier-naming.FunctionCase, value: camelBack },\

dtoma / fix.cpp

Last active January 3, 2017 08:02

ideas for fix parsing/serializing

	// http://ldionne.com/hana-cppnow-2015/
	// http://boostorg.github.io/hana/
	// note: re-read the CppCon pres on fusion for parsing

	// somehow hold the tag and value type in the field's type?
	template <int Tag, typename T>
	struct Field { T value; }

	template <int Tag, typename T>
	constexpr auto get_tag(field<Tag, T>&&) { return Tag; }

dtoma / pcpp.md

Created January 3, 2017 08:31

Parser Combinators in C++

dtoma / asiaconf.md

Last active January 30, 2017 08:54

Conferences in Asia 2017

dtoma / bcc1.cpp

Created February 20, 2017 09:15

book: beautiful code, chapter 1

	/*
	* Character \| Meaning
	* c \| Matches any literal character c
	* . \| Matches any single character
	* ^ \| Matches the beginning of the input string
	* $ \| Matches the end of the input string
	* * \| Matches zero or more occurrences of the previous character
	*/

	#include <cstdio>

dtoma / pi.cpp

Created February 21, 2017 03:05

C++ OpenMP Pi

	// http://jakascorner.com/blog/2016/05/omp-monte-carlo-pi.html

	#include <iostream>
	#include <chrono>
	#include <random>
	#include <vector>
	#include <string>
	#include <iomanip>
	#include <limits>
	#include <chrono>

dtoma / gcc_perf_attributes.md

Last active February 22, 2017 06:58

gcc attributes for perf tuning

error/warning

Code exammple:

#include <string>

std::string __attribute__((warning("getString not inlined/removed"))) getString() {
  return "Foo";
}

	/*
	* Character \| Meaning
	* c \| Matches any literal character c
	* . \| Matches any single character
	* ^ \| Matches the beginning of the input string
	* $ \| Matches the end of the input string
	* * \| Matches zero or more occurrences of the previous character
	*/

	#include <cstdio>