Giuseppe Cannella gekomad

gekomad / getListOfFiles.scala

Last active February 4, 2020 12:23

Get a list of files that are in a directory and subdirectories

	def recursiveListFiles(f: File): ArraySeq[File] = {
	val these = f.listFiles
	ArraySeq.from(these ++ these.filter(_.isDirectory).flatMap(recursiveListFiles))
	}

	///

	import java.io.File
	def getListOfFiles(dir: String): List[File] = {
	def go(dir: File): List[File] = dir match {

gekomad / CirceDropNull.scala

Created October 16, 2019 11:13

Scala Circe DropNull

	def _reduce(l: Seq[(String, Json)]): Json = l match {
	case ::(x, xs) =>
	if (x._2.isNull) {
	dropNull(Json.fromFields(xs))
	} else {
	val jj = Json.fromJsonObject(JsonObject((x._1, dropNull(x._2))))
	xs match {
	case Nil => jj
	case _ => dropNull(Json.fromFields(xs)).deepMerge(jj)
	}

gekomad / Spinlock.h

Created January 30, 2019 22:28

A C++ shared Spinlock implementation

	#pragma once

	#include <atomic>

	using namespace std;

	#ifdef _WIN32
	#include <intrin.h>
	#pragma intrinsic(_InterlockedExchange)
	#define LOCK_TEST_AND_SET(_lock) _InterlockedExchange(&_lock, 1)

gekomad / logger.h

Last active January 30, 2019 22:27

C++ Compile time logger

	#pragma once

	#include "../util/Singleton.h"
	#include "../util/Time.h"
	#include <iostream>
	#include "../threadPool/Spinlock.h"

	using namespace std;

	namespace _logger {

gekomad / ZipHelper.scala

Last active January 25, 2019 11:08

Scala Zip with cats IO

	package trackit.helper

	import java.io.{File, FileInputStream, FileOutputStream}
	import cats.effect.IO
	import cats.effect.Resource.fromAutoCloseable
	import org.apache.commons.compress.archivers.{ArchiveOutputStream, ArchiveStreamFactory}
	import org.apache.commons.compress.archivers.zip.ZipArchiveEntry
	import org.apache.commons.compress.utils.IOUtils

	object ZipHelper {

gekomad / Bumpversion for scala using git-flow

Last active January 26, 2019 09:55

	[ -f .bumpversion.cfg ] \|\| echo "Error file .bumpversion.cfg does not exist"
	cp .bumpversion.cfg /tmp/.bumpversion.cfg
	printf "choice: minor\|major\|patch ";read version
	bumpversion --config-file /tmp/.bumpversion.cfg $version
	NEXT_VERSION=$(grep current_version /tmp/.bumpversion.cfg \|awk -F "= " '{print $2}') && echo "next version: $NEXT_VERSION"
	git flow release start $NEXT_VERSION
	cp /tmp/.bumpversion.cfg .

	#update build.sbt
	sed -r -i 's/^version := "(\b[0-9]{1,3}\.){2}[0-9]{1,3}\b"'/"version := \"$NEXT_VERSION\""/ build.sbt

gekomad / Currying.hs

Created July 17, 2018 12:51

Currying Haskell / Scala

	module Currying where

	addF :: Integer -> Integer -> Integer
	addF a b = a + b

	res = addF 1 2
	main :: IO ()
	main = print res

gekomad / Mutex.h

Created March 6, 2016 19:21

C++ Mutex class

	/*
	Cinnamon UCI chess engine
	Copyright (C) Giuseppe Cannella

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,