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@daiki44
daiki44 / get-balance.js
Last active September 6, 2018 15:53
【NEM】NEM-sdk を使って特定アドレスの XEM 残高を取得する ref: https://daiki-sekiguchi.com/2018/09/06/nem-sdk-get-balance/
import nem from 'nem-sdk';
// EndpointをTestnetに指定します
// 第1引数はTestnet用のデフォルトのノード
// 第2引数はデフォルトのポート(7890)
const endpoint = nem.model.objects.create('endpoint')(nem.model.nodes.defaultTestnet, nem.model.nodes.defaultPort);
// Testnetのアドレスを指定します
const testnetAddress = 'TAHPGS7CKZAERDU5RGHRCGN4DYGXRLQXO5CPNWIP';
@daiki44
daiki44 / nem-sdk-install.sh
Created September 6, 2018 15:45
【NEM】NEM-sdk を使って特定アドレスの XEM 残高を取得する ref: https://daiki-sekiguchi.com/2018/09/06/nem-sdk-get-balance/
$ npm install nem-sdk
@daiki44
daiki44 / trim.js
Created September 5, 2018 09:49
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const trimStr = ' string ';
// return string
console.log(trimStr);
// return string
console.log(trimStr.trim());
@daiki44
daiki44 / toLowerCase-and-toUpperCase.js
Created September 5, 2018 09:48
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return stringexample
console.log(str.toLowerCase());
// return STRINGEXAMPLE
console.log(str.toUpperCase());
@daiki44
daiki44 / substring.js
Created September 5, 2018 09:48
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return strin
console.log(str.substring(0, 5));
@daiki44
daiki44 / substr.js
Created September 5, 2018 09:47
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return strin
console.log(str.substr(0, 5));
@daiki44
daiki44 / split.js
Created September 5, 2018 09:47
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return [ 'string', 'xample' ]
console.log(str.split('E'));
@daiki44
daiki44 / slice.js
Created September 5, 2018 09:46
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return strin
console.log(str.slice(0, 5));
@daiki44
daiki44 / replace.js
Created September 5, 2018 09:46
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return stringHOGExample
console.log(str.replace(/E/, 'HOGE'));
@daiki44
daiki44 / padStart-and-padEnd.js
Created September 5, 2018 09:45
【保存版】Node.js の String オブジェクトをちゃんと使いこなす ref: https://daiki-sekiguchi.com/2018/09/05/nodejs-what-is-string-object/
const str = 'stringExample';
// return 0000000stringExample
console.log(str.padStart(20, '0'));
// return stringExample0000000
console.log(str.padEnd(20, '0'));