Enock Omondi Trend20

Articles

Picking the right architecture = Picking the right battles + Managing trade-offs

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

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	import { Directive, ElementRef, OnDestroy } from '@angular/core';
	import * as textMask from 'vanilla-text-mask/dist/vanillaTextMask.js';

	@Directive({
	selector: '[appMaskDate]'
	})
	export class MaskDateDirective implements OnDestroy {

	public mask = [/\d/, /\d/, '/', /\d/, /\d/, '/', /\d/, /\d/, /\d/, /\d/]; // dd/mm/yyyy
	public maskedInputController;

	function getMinDeletions(s) {
	const ordered_string = s.split('').sort().join('');
	let delCount = 0;

	for (let i = 0; i < ordered_string.length; i++) {
	if (ordered_string[i] === ordered_string[i + 1]) {
	delCount++;
	}
	}