vikaskanani’s gists

vikaskanani / promisify.js

Last active April 29, 2024 06:12

Code to demonstrate promisify any library if they don't return promises.

	var client = inbox.createConnection(config);
	client.on('connect', function () {
	client.openMailbox('INBOX', function (err, info) {
	if (err) {
	console.error('Box open error', err);
	} else {
	console.log('Message count in INBOX : ' + info.count);
	client.listMessages(0, 1, function (err, messages) {
	if (err) {
	console.error('Message Listing error', err);

vikaskanani / custom-throw.cfml

Created March 7, 2024 06:08

Custom throw in cfml

	<cfscript>
	try {
	throw(
	message="MyError",
	errorcode="100",
	detail="Error Detail"
	);
	} catch (any e) {
	writeOutput("Caught Exception: " & e.message & " with errror code: " & e.errorcode & " and detail: " & e.detail);
	}

vikaskanani / geocode-circle-overlap.js

Created March 24, 2021 10:00

JavaScript program to check circle overlapping

	const MILES2METER = 1609.34;
	const METER2MILE = 0.000621371;

	// JavaScript program to check circles overlapping
	function circle(x1, y1, x2, y2, r1, r2) {
	//let distSq = Math.sqrt(((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)));
	let distSq = getDistanceFromLatLonInMile(x1, y1, x2, y2) * MILES2METER;
	if ( r1 < r2 ) {
	[r1,r2]=[r2,r1];
	}

vikaskanani / area.js

Created March 22, 2021 11:18

Find area of two intersecting circles

	//reference https://en.wikipedia.org/wiki/Lens_(geometry)

	function findDelta (d, r, R) {
	return (1 / 4) * Math.sqrt((-d + r + R) * (d - r + R) * (d + r - R) * (d + r + R) );
	}

	function area (d, r, R) {
	const delta = findDelta(d, r, R);
	const cosLeft = (Math.acos(((d * d) + (r * r) - (R * R)) / (2 * d * r)));
	const cosRight = (Math.acos(((d * d) - (r * r) + (R * R)) / (2 * d * R)));

vikaskanani / arraySlice.cfm

Created February 7, 2020 11:37

arrayslice should not give error

	<cfscript>
	myarray = ["one","two","three","TWO","five","Two"];
	res = myarray.slice(5,10);
	writedump(res);
	</cfscript>

vikaskanani / filters.html

Created May 28, 2019 04:28

Filter demo

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<script src="https://code.jquery.com/jquery-3.1.0.js"></script>
	<script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script>
	<title>Filters</title>
	<style>

vikaskanani / jobServices.cfm

Created May 28, 2019 04:25

Prepare list for photo services

	<cfset contractorArray = ["Vikas", "Bharat", "Pritesh", "Ashish"] />

	<cfset serviceArray = ["Lawncare", "Snow removal", "Winterization", "Occupancy Check"] />

	<cfset jobArray = [
	{ "jobNo": "J8235-62", "contractor": "Vikas", "services": ["Lawncare", "Snow removal"] },
	{ "jobNo": "J8235-63", "contractor": "Bharat", "services": ["Snow removal", "Winterization"] },
	{ "jobNo": "J8235-64", "contractor": "Bharat", "services": ["Lawncare", "Snow removal", "Winterization"] },
	{ "jobNo": "J8235-65", "contractor": "Pritesh", "services": ["Winterization", "Occupancy Check"] },
	{ "jobNo": "J8235-66", "contractor": "Vikas", "services": ["Snow removal"] },

vikaskanani / shiporder.xml

Created April 1, 2019 09:33

XML data file

	<?xml version="1.0" encoding="UTF-8"?>
	<shiporder orderid="889923"
	xmlns="http://webservice.example.com/"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://webservice.example.com/ https://gist.githubusercontent.com/vikaskanani/016522bc8969008e5efdf6770effc430/raw/5eec95f8eb34c538f1cfd1e543b22027e021eafa/ShipOrder.xsd">
	<orderperson>John Smith</orderperson>
	<shipto>
	<name>Ola Nordmann</name>
	<address>Langgt 23</address>
	<city>4000 Stavanger</city>

vikaskanani / funRemoveLeadingZeros.sql

Last active January 31, 2019 06:39

SQL function that removes the leading zeros from string

	SET ANSI_NULLS ON
	GO
	SET QUOTED_IDENTIFIER ON
	GO
	-- =============================================
	-- Author: Vikas Patel
	-- Create date: 01/31/2019
	-- Description: Remove leading zeros from string
	-- =============================================
	CREATE FUNCTION dbo.funRemoveLeadingZeros

vikaskanani / shiporder.cfm

Created December 13, 2018 09:08

	<cfsavecontent variable="xml_stream"><cfoutput><?xml version="1.0" encoding="UTF-8"?>
	<shiporder orderid="889923"
	xmlns="http://webservice.example.com/"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://webservice.example.com/ https://gist.githubusercontent.com/vikaskanani/016522bc8969008e5efdf6770effc430/raw/5eec95f8eb34c538f1cfd1e543b22027e021eafa/ShipOrder.xsd">
	<orderperson>John Smith</orderperson>
	<shipto>
	<name>Ola Nordmann</name>
	<address>Langgt 23</address>
	<city>4000 Stavanger</city>

Vikas Patel vikaskanani