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// contracts/GLDToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract ERC20_Token_Sample is ERC20, ERC20Burnable {
constructor() ERC20("ERC20 Token Sample1", "Sample 1") {
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vanduc1102 / app.ts
Created January 18, 2024 04:32
NextJS@13 and KoaJS@2 integration to use koajs to handle nextjs api
import Koa, { Context } from "koa";
import bodyParser from "@koa/bodyparser";
import registerRoutes from "./routers";
import Jwt from "koa-jwt";
const { THIRD_PARTY_APP_JWT_SECRET = "" } = process.env;
const koaApp = new Koa();
koaApp.use(bodyParser());
koaApp.use(async (ctx: Context, next) => {
@vanduc1102
vanduc1102 / array.js
Last active October 2, 2023 17:35
Array Operators in JavaScript
//1. Converting Arrays to Strings
var fruits = ["Banana", "Orange", "Apple", "Mango"];
console.log(fruits.valueOf());
//output : Banana,Orange,Apple,Mango
//For JavaScript arrays, valueOf() and toString() are equal.
// join() method joins array elements into a string.
var fruits = ["Banana", "Orange", "Apple", "Mango"];
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vanduc1102 / kill-process-by-given-port
Created April 11, 2023 04:01
[MacOS] Kill process is linked to a given port , eg: 3000
ps aux | grep -i 3000 | grep -v grep | awk {'print $2'} | xargs kill -9
INSTANCE_NAME=nucleus-jumphost-570
PORT=8080
REGION=us-west4
ZONE=us-west4-a
FIREWALL_RULE=allow-tcp-rule-698
# setup
gcloud config set compute/zone $ZONE
gcloud config set compute/region $REGION
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vanduc1102 / fb-auto-like.js
Created April 15, 2017 05:28
facebook auto like, Open console with F12 and Paste the code.
var arr= Array.prototype.slice.call(document.querySelectorAll('.UFILikeLink'));
var index = 0;
setInterval(function(){
var a = arr.shift();
if(a.className.indexOf("UFILinkBright") < 0){
console.log("like : ",++index);
a.click();
}
if(arr.length == 0){
document.querySelectorAll('a.UFIPagerLink')[0].click();
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vanduc1102 / HOFSampleToro.java
Created October 6, 2022 17:02
Java Higher Order Function sample
package com.pragmatists.blog.events.application;
import java.util.Random;
import java.util.function.Function;
import java.util.function.Supplier;
public class HOFSampleToro {
public static void main(String[] args) {
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vanduc1102 / spotless-pom.xml
Last active August 9, 2022 07:43
google code format with spotless
<plugin>
<groupId>com.diffplug.spotless</groupId>
<artifactId>spotless-maven-plugin</artifactId>
<version>2.24.0</version>
<configuration>
<formats>
<format>
<includes>
<include>*.md</include>
<include>.gitignore</include>
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vanduc1102 / new-year-chaos.js
Created August 15, 2018 16:46
New Year Chaos
'use strict';
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', inputStdin => {
inputString += inputStdin;
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vanduc1102 / api.http
Created March 2, 2022 05:20
How to upload file to PreSignedUrl with vscode REST Client
@baseUrl = {{$dotenv SERVICE_API_ENDPOINT}}
@accessToken = {{$dotenv SERVICE_API_ACCESS_TOKEN}}
### Health-check
GET {{baseUrl}}/health
### Media
### Create media upload url
## This endpoint return a JSON { data : "signedUrl" }