kenmori’s gists

kenmori / 【JavaScript】2以上の配列の差分を新たな配列として返す方法(array-diff) How to return the difference between two sequences as a new array.js

Last active December 27, 2016 04:50

【JavaScript】2以上の配列の差分を新たな配列として返す方法(array-diff) How to return the difference between two sequences as a new array

	const arr = [1, 2, 3, 4, 6]
	const arr2 = [1, 2, 3, 4, 5]
	const arr3 = [...arr, ...arr2]
	const a = []

	for (let [i, e] of arr3.entries()) {
	if(!arr.includes(e)) a.push(e)
	if(!arr2.includes(e)) a.push(e)
	}
	console.log(a)

kenmori / webpack.config.js

Last active December 27, 2016 08:56

【React】これ。SyntaxError: 'import' and 'export' may only appear at the top level

	///webpack.config.js変更前/////
	module: {
	loaders: [
	{ test: /\.jsx?$/, exclude: /node_modules/,
	loaders: ['react-hot']
	}
	]
	},

	///変更後////

kenmori / getElementsByClass[Tag]NameでReact.renderする.js

Last active January 4, 2017 07:51

how to create React element where put on multiple places using the className of div elements instead of an id.

	function renderToElements(elements) {
	Array.prototype.slice.call(elements).forEach(function(e, i){
	React.render(<FavoriteFortune id={e.dataset.id} isFavorite={true} />, e);
	})
	}

	renderToElements(document.getElementsByClassName('favoriteFortune'));

kenmori / json-server-init.json

Created January 5, 2017 06:36

【DHC/JsonServer使い方】APIテストに便利!「JSONserver」をlocalに立ててAPIを返しローカルエディタや「DHC REST Client」でPOSTやGETリクエストするためのexample

	{
	"comments": [
	{
	"body": "some comment",
	"id": 1,
	"postId": 1
	}
	],
	"posts": [
	{

kenmori / 接続認証エラーが発生しました。理由: ユーザーIDまたはパスワードが無効です.xml

Created January 7, 2017 00:42

Error in allocating a connection. Cause: Connection could not be allocated because:接続認証エラーが発生しました。理由: ユーザーIDまたはパスワードが無効です

	<properties>
	<property name="eclipselink.jdbc.user" value="APP"/>
	<property name="eclipselink.jdbc.password" value="APP"/>
	</properties>

kenmori / UserEntity.java

Created January 7, 2017 11:45

【glassFish】これが出たら疑う箇所Exception [EclipseLink-28019] (Eclipse Persistence Services - 2.5.0.v20130507-3faac2b): org.eclipse.persistence.exceptions.EntityManagerSetupException

	@Entity
	@SecondaryTables({
	@SecondaryTable(name = "zipcode_tbl"),//not much!!
	@SecondaryTable(name = "address_tbl"),
	})
	@Table(name="user_data_2")
	public class UserEntity02 implements Serializable {
	@Id @NotNull
	private String id;
	private String name;

kenmori / persistence.xml

Created January 7, 2017 12:30

【JavaDB/glassFish】解決！Internal Exception: java.sql.SQLSyntaxErrorException: 表またはビュー'[TABLE_NAME]'は存在しません。

	<properties>
	<!--add this code, if you use eclipselink -->
	<property name="eclipselink.ddl-generation" value="create-tables"/>

kenmori / uninstall.sh

Created January 8, 2017 00:57

【Rust/rustup/multirust】uninstallしたい!「rustup cannot be installed alongside [Rust|multirust]. Please uninstall first」rustcが邪魔してrustupがinstallできない場合1つの方法

sudo /usr/local/lib/rustlib/uninstall.sh

kenmori / example.js

Last active August 5, 2017 05:45

【Reactのstateとpropsの違いが知りたい！(変更・更新の仕方等デモあり)】過去のReact初心者の自分にpropsとstateの違いを説明する

	class ParentComponent extends React.Component {
	constructor(props){
	super(props)
	this.state = {
	name: "わたし"
	};
	this.onChangeName = this.onChangeName.bind(this);
	}
	onChangeName(){
	const name = this.state.name === "あなた" ? "わたし" : "あなた";

kenmori / index.md

Created February 5, 2017 02:07

イベントデリゲーション

問321

イベントデリゲーションに関して。こちらのDOMの

<ul id="todo-app">
  <li class="item">Walk the dog</li>
  <li class="item">Pay bills</li>
  <li class="item">Make dinner</li>

KenjiMorita kenmori