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@rpf5573
rpf5573 / test.js
Created September 26, 2018 10:44
thread count 5
process.env.UV_THREADPOOL_SIZE = 5;
const crypto = require('crypto');
const start = Date.now();
crypto.pbkdf2( 'a', 'b', 100000, 512, 'sha512', () => {
console.log( '1:', Date.now() - start );
});
crypto.pbkdf2( 'a', 'b', 100000, 512, 'sha512', () => {
@rpf5573
rpf5573 / test.js
Created September 26, 2018 11:04
network io
const https = require('https');
const start = Date.now();
https.request('https://www.google.com', res => {
res.on('data', () => {});
res.on('end', () => {
console.log(Date.now() - start);
});
}).end();
@rpf5573
rpf5573 / upload.js
Created October 14, 2018 06:53
[NodeJS] [AWS] upload
const aws = require('aws-sdk');
const multer = require('multer');
const multerS3 = require('multer-s3');
const keys = require('../secret/keys');
const awsS3 = new aws.S3({
accessKeyId: keys.aws.AWSAccessKeyId,
secretAccessKey: keys.aws.AWSSecretKey
});
@rpf5573
rpf5573 / uploadgogo.js
Created October 14, 2018 07:43
Show how I did aws s3 upload in nodejs
// views/admin/dashbard.ejs
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="/css/dashboard.css">
@rpf5573
rpf5573 / timeout_immediate.js
Last active October 20, 2018 02:29
setTimeout vs setImmediate
//index.js
setTimeout(function(){
console.log("SETTIMEOUT");
}, 0);
setImmediate(function(){
console.log("SETIMMEDIATE");
});
// output
@rpf5573
rpf5573 / settimeout_setimmediate_1000.js
Created October 20, 2018 02:32
callback order
//index.js
setTimeout(function(){
console.log("Timeout");
}, 1000);
setImmediate(function(){
console.log("Immedate");
});
@rpf5573
rpf5573 / timeout_immediate_0.js
Created October 20, 2018 02:40
cb order
//index.js
setTimeout(function(){
console.log("Timeout");
}, 0);
setImmediate(function(){
console.log("Immediate");
});
// output
@rpf5573
rpf5573 / timeout_immediate_process_nexttick.js
Created October 20, 2018 03:07
time order
const fs = require('fs');
function addNextTickRecurs(count) {
let self = this;
if (self.id === undefined) {
self.id = 0;
}
if (self.id === count) return;
@rpf5573
rpf5573 / settimeout_not_called_after_0s.js
Last active October 20, 2018 03:09
const start = process.hrtime();
setTimeout(() => {
const end = process.hrtime(start);
console.log(`timeout callback executed after ${end[0]}s and ${end[1]/Math.pow(10,9)}ms`);
}, 1000);
// output
// timeout callback executed after 1s and 0.001875707ms
@rpf5573
rpf5573 / readfile_timeout.js
Created October 20, 2018 03:17
const fs = require('fs');
fs.readFile('hello.txt', () => {
setTimeout(() => {
console.log('timeout')
}, 0);
setImmediate(() => {
console.log('immediate')
});
});