Omi0 Omi0

## Jenkinsfile
Some Jenkinsfile examples

## operators.ts
import { Observable } from 'rxjs';
import { filter } from 'rxjs/operators';

function inputIsNotNullOrUndefined<T>(input: null | undefined | T): input is T {
  return input !== null && input !== undefined;
}

export function isNotNullOrUndefined<T>() {
  return (source$: Observable<null | undefined | T>) =>
    source$.pipe(

## index.html
<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Test</title>
    </head>
    <body>
        <article>
            <h1>Computer Graphics</h1>
            <p>
	import { Observable } from 'rxjs';
	import { filter } from 'rxjs/operators';

	function inputIsNotNullOrUndefined<T>(input: null \| undefined \| T): input is T {
	return input !== null && input !== undefined;
	}

	export function isNotNullOrUndefined<T>() {
	return (source$: Observable<null \| undefined \| T>) =>
	source$.pipe(
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Test</title>
	</head>
	<body>
	<article>
	<h1>Computer Graphics</h1>
	<p>