SouravDas25’s gists

SouravDas25 / executors.rs

Last active March 27, 2025 11:09

Async Executor - Mini Tokio - Rust

	use crate::sleep::TimeoutWorker;

	use crate::io::{FileWorker, IoTask};
	use crate::task::Task;
	use futures::future::BoxFuture;
	use futures::FutureExt;
	use std::collections::VecDeque;
	use std::future::Future;
	use std::sync::{Arc, Mutex};
	use std::task::{Context, Waker};

SouravDas25 / java vs node medium table

Last active September 2, 2024 08:17

java vs node medium table

	┌───────────────────────────┬────────────┬────────────┬───────────┬────────────────────┐
	│ Context │ metric │ Java │ NodeJS │ NodeJS (Clustered) │
	├───────────────────────────┼────────────┼────────────┼───────────┼────────────────────┤
	│ CPU Bound Task │ http req │ 18 r/s │ 1 r/s │ 8 r/s │
	│ - 150 vus for 30s │ cpu │ 100% │ 100% │ 100% │
	│ │ memory │ ~ 2 GB │ ~ 1 GB │ ~ 2 GB │
	├───────────────────────────┼────────────┼────────────┼───────────┼────────────────────┤
	│ IO Bound Task │ http req │ 190 r/s │ 804 r/s │ 951 r/s │
	│ - 1000 vus for 10s │ cpu │ 60 - 70% │ 45% │ 70% │
	│ │ memory │ ~ 4 GB │ ~ 2 GB │ ~ 3 GB │

SouravDas25 / sap-document-management-service-client.js

Last active November 24, 2023 09:31

	const axios = require('axios').default;
	const FormData = require('form-data');
	const cmis = require("cmis");
	const jwt = require('jsonwebtoken');
	const mutexify = require('mutexify/promise')


	class CmisSessionManager {

	tenantSessions = new Map()

SouravDas25 / encrypt-decrypt-data.js

Last active March 2, 2023 16:09

Encrypt & Decrypt any file

	var fs = require('fs');
	var crypto = require('crypto');


	const filename = 'rapid-fire.txt';

	const key = "BX4X8G5Q1IQWEU4M23C3PGUV1AZQ91";
	const iv = "XJLJ4YOQXTZ2TMGM";

	// console.log(iv.toString(), key.toString())

SouravDas25 / Validator.js

Last active July 4, 2020 18:37

	function () {
	const mailRegex = /^\w+[\w-+.]\@\w+([-.]\w+)\.[a-zA-Z]{2,}$/;
	return {

	required: function (value) {
	return value !== null;
	},

	email: function (value) {
	return value.match(mailRegex);

SouravDas25 / data.csv

Last active June 26, 2020 15:56

SouravDas25 / go-back-n-client.py

Last active May 15, 2020 18:38

Go Back N Networking Algo

	import collections
	import hashlib
	import pickle
	import threading
	import time
	from socket import *
	import random

	HOST = gethostbyname('localhost')
	PORT = 12345

SouravDas25 / run.sh

Last active May 15, 2020 18:39

Selective Repeate ARQ Networking Algo

SouravDas25 / InstanceCreator.java

Created May 11, 2020 17:15

Java Any Object Creator

	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.util.ClassUtils;

	import java.lang.reflect.Array;
	import java.lang.reflect.Constructor;
	import java.lang.reflect.Modifier;
	import java.util.*;

	public class InstanceCreator {

SouravDas25 / JsonComparision.js

Last active February 12, 2020 05:46

Deep Compare 2 Json Object

	var a = [
	{
	"Id": "t.6.C1PRGOO3ZFMACYDJ6H6LFOKCG:C1PRGOO3ZFMACYDJ6H6LFOKCG",
	"Version": "4.0",
	"GeneratedTime": "Jan 24, 2020 6:57:58 AM",
	"IsSecured": false,
	"IsRemote": false,
	"IsEmbedded": false,
	"HasDAC": false,
	"IsIndexingEnabled": true,

Sourav Das SouravDas25