jsuryahyd’s gists

jsuryahyd / react.gradle

Created September 14, 2019 14:37

react-native : working react.gradle with hermes-engine for 0.60.x

	//0.60.x, enableHermes-true : replace hermesvm with hermes-engine(npm install hermes-engine)
	// and include this file in app folder change react.gradle path to this filepath
	// in app/build.gradle
	import org.apache.tools.ant.taskdefs.condition.Os

	def config = project.hasProperty("react") ? project.react : [];

	def cliPath = config.cliPath ?: "node_modules/react-native/cli.js"
	def composeSourceMapsPath = config.composeSourceMapsPath ?: "node_modules/react-native/scripts/compose-source-maps.js"
	def bundleAssetName = config.bundleAssetName ?: "index.android.bundle"

jsuryahyd / exif-data.html

Last active October 9, 2019 06:11

Extract metadata from image using exif-js; has drag-drop box to drop image into, and shows metadata if any exists.

	<!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" />
	<title>EXIF example with inline EXIF info</title>
	</head>
	<body>
	<br />

jsuryahyd / main.dart

Last active October 4, 2019 12:14

dart lists as practiced on dart pad[https://dartpad.dartlang.org/](https://dartpad.dartlang.org/)

	void main() {
	// //1
	// final List<dynamic> myNums = ["1", "whatever", {}];
	// // final List<dynamic> myNums = const ["1","whatever",{}];
	// myNums.add("lskf");
	// // myNums = [...myNums,"lskf"];
	// print(myNums);

	// //2
	// List<int> nums = List(5);

jsuryahyd / dbUtils.js

Created January 27, 2020 05:11

promisifying transaction related functions of node mysql library

	getPromisifiedConnection(pool) {
	return util.promisify(pool.getConnection).bind(pool);
	}

	getPromisifiedBeginTransaction(connection) {
	return util.promisify(connection.beginTransaction.bind(connection));
	}

	getPromisifiedQuery(connection) {
	util.promisify((sql, options, cb) =>

jsuryahyd / helpers.js

Last active August 17, 2023 06:44

Utils


	export function uniqueItems(objArray, key) {
	if (!objArray \|\| !key) {
	console.error("no args", objArray, key);
	return objArray;
	}
	return objArray.reduce((result, obj) => {
	if (result.find((o) => o[key] == obj[key])) {
	return result;
	}

jsuryahyd / encrypt_decrypt.js

Created April 19, 2020 10:34

Encrypt and Decrypt in nodejs using crypto module

	// https://gist.github.com/vlucas/2bd40f62d20c1d49237a109d491974eb
	"use strict";

	const { errorLog } = require("./logger");

	const crypto = require("crypto");

	const ENCRYPTION_KEY =
	process.env.ENCRYPTION_KEY \|\| "Dw-3]v,#FX@1gerbSAC4Jhn2=$!q/K.Z"; // Must be 256 bits (32 characters)
	const IV_LENGTH = 16; // For AES, this is always 16

jsuryahyd / logger.js

Created April 19, 2020 10:35

Create log files date wise using log4js in nodejs

	//log
	const log4js = require("log4js");
	const path = require("path");
	log4js.configure({
	appenders: {
	errors: {
	type: "dateFile",
	filename: path.join(__dirname, "../../logs", "errors.log")
	}
	},

jsuryahyd / debounce.js

Created July 14, 2020 13:21

Some utils for frontend

	/**
	const myInput = document.getElementById("myInput");

	function helloInput() {
	console.log( "You typed:", myInput.value );
	}

	myInput.addEventListener(
	"keyup",
	debounce( helloInput, 1000 )

jsuryahyd / clipboard-helpers.js

Last active August 13, 2020 09:48

Clipboard reading with browser js

	/*
	- https://developer.mozilla.org/en-US/docs/Web/API/Clipboard/read
	- https://stackoverflow.com/a/23024504/7314900
	- https://stackoverflow.com/a/54132144/7314900
	*/
	function getTextFromBlob(blob){
	var reader = new FileReader();
	reader.onload = function() {
	console.log(reader.result);
	}

jsuryahyd / snip.js

Created October 24, 2020 07:11

Algorithm/snippet to get odd item in two arrays

	function removal(cA,bA) {
	var count = 0;
	for (var i = 0; i < cA.length; i++) {
	if (i < 0) continue;
	for (var j = 0; j < bA.length; j++) {
	if (i < 0 \|\| j < 0) continue;
	count++;
	console.log('comparing', i, j, cA[i], bA[j]);
	if (cA[i] == bA[j]) {
	console.log('removed', i, j, cA[i], bA[j]);