sou-hi’s gists

sou-hi / file0.scala

Created December 9, 2015 01:42

連続な重複番号を除く ref: http://qiita.com/sou-hi/items/eacbf52e73f35fa356a3


	// input
	val xs = (1, "aaa")::(1, "bbb")::(1, "ccc")::(2, "abc")::(3, "xxx")::(3, "kkk")::(1, "abcde")::(1, "qwee")::Nil

	// output
	val expect = List((1, "aaa"), (2, "abc"), (3, "xxx"), (1, "abcde"))

	// fold
	val resultFold = xs.foldLeft(List[(Int, String)]()){
	case (Nil, t) => List(t)

sou-hi / 0_reuse_code.js

Created November 24, 2015 02:11

Here are some things you can do with Gists in GistBox.

	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console

sou-hi / file0.scala

Created October 28, 2015 01:31

convert java.util.Map[String, Object] to scala.collection.immutable.Map[String, Any] ref: http://qiita.com/sou-hi/items/b7fd7150ab915a03d491


	import scala.collection.JavaConversions._

	val m = new java.util.HashMap[String, Object]()
	m.put("Foo", java.lang.Boolean.TRUE)
	m.put("Bar", java.lang.Integer.valueOf(1))

	val m2: Map[String, Any] = m.toMap
	println(m2)

sou-hi / file0.scala

Created October 14, 2015 09:25

asInstanceOfOption ref: http://qiita.com/sou-hi/items/a87641cdfa8140075065

	import scala.reflect._
	def asInstanceOfOption[T: ClassTag](o: Any): Option[T] =
	Some(o) collect { case m: T => m}

	assert(asInstanceOfOption[Int](1) == Some(1))

	assert(asInstanceOfOption[Int]("1") == None)

	assert(asInstanceOfOption[Int](None) == None)

sou-hi / file0.scala

Created October 8, 2015 10:19

関数合成メモ ref: http://qiita.com/sou-hi/items/9e5a1179266ccb6ebe4f

	def idiot[T](func: List[T => T], rt: List[T]): List[T] = rt.map(func.reduce(_ andThen _))

	assert(idiot[Int](List(identity, x => x >> 1, x => x >> 1), List(20)) == List(5))

sou-hi / file0.scala

Created October 8, 2015 10:05

恒等関数とOption ref: http://qiita.com/sou-hi/items/9440c5a7a115ce742785

	scala> val l = List(Some("Hello"), None, Some("World"))
	l: List[Option[java.lang.String]] = List(Some(Hello), None, Some(World))

	scala> l.flatMap( o => o)
	res0: List[java.lang.String] = List(Hello, World)

	// 恒等関数
	scala> l flatMap identity[Option[String]]
	res1: List[String] = List(Hello, World)

sou-hi / file0.txt

Created September 8, 2015 09:56

SBT ConsoleでScalaバージョンを指定 ref: http://qiita.com/sou-hi/items/2761e30f91070bd33a9c

> sbt "++ 2.11.7 console"

sou-hi / file0.html

Created August 11, 2015 05:50

jquery-MustacheというJS Template Enginを使ってみました ref: http://qiita.com/sou-hi/items/328fbf5a8cb37bbde9c0

	<!-- include js -->
	<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"></script>
	<script src="https://raw.github.com/jonnyreeves/jquery-Mustache/master/jquery.mustache.js"></script>
	<script src="https://raw.github.com/janl/mustache.js/master/mustache.js"></script>

	<!-- Templates in the DOM -->
	<script type="text/html" id="dom-template-a">
	<p>Hello, {{name}}, did you know you can load templates direct from the DOM?</p>
	</script>

sou-hi / file0.html

Created August 11, 2015 05:50

jQuery-Mustacheというjs template enginを使ってみました ref: http://qiita.com/sou-hi/items/328fbf5a8cb37bbde9c0

	<!-- include js -->
	<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"></script>
	<script src="https://raw.github.com/jonnyreeves/jquery-Mustache/master/jquery.mustache.js"></script>
	<script src="https://raw.github.com/janl/mustache.js/master/mustache.js"></script>

	<!-- Templates in the DOM -->
	<script type="text/html" id="dom-template-a">
	<p>Hello, {{name}}, did you know you can load templates direct from the DOM?</p>
	</script>

sou-hi / file0.txt

Created August 10, 2015 03:22

GITでコミット間の差分ファイルをZIPで出力するシェルスクリプト ref: http://qiita.com/sou-hi/items/e618aa52248ea8ae0689


	#!/bin/bash
	if [ $# -ne 3 ]; then
	echo "Usage: git diff-zip <archive_name> <oldCommit> <newCommit>"
	exit 1
	fi

	git archive --format=zip --prefix=$1/ $3 `git diff --name-only $2 $3` -o ../$1.zip

Hi Sou sou-hi