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sudo /usr/share/elasticsearch/bin/elasticsearch-plugin remove repository-s3
sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install repository-s3
sudo service elasticsearch restart

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curl -X PUT "localhost:9200/2250-jobstream-dev/_mapping/job" -H 'Content-Type: application/json' -d'
{
  "properties": {
    "wp_id": {
        "type": "text",
        "fields": {
            "raw": {
                "type": "text",
                "store": true
            }

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ls -dt * | tail -n +4 | xargs rm -rf

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openssl req -newkey rsa:2048 -nodes -keyout domain.key -out domain.csr

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openssl req -key server.key -new -out domain.csr

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In Order

1. constructor()
2. ngOnChanges(changes: SimpleChanges) - It is called every time the data changes.
3. ngOnInit() - it is called only once when the component is loaded into the DOM
4. ngDoCheck() - whenever theere is a change detection
5. ngAfterContentInit() - is called once external content is projected into component’s view and right after the first ngDoCheck() and occurs only once.
6. ngAfterContentChecked() - called once after ngAfterContentInit() and everytime after ngDoCheck()
7. ngAfterViewInit() - is called once after the component’s view/ child views are loaded and right after ngAfterContentChecked() and occurs only once.
8. ngAfterViewChecked() - called once after ngAfterViewInit() and everytime after ngDoCheck()

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https://www.edureka.co/blog/interview-questions/top-angularjs-interview-questions-2016/

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Angular follows a two-way data flow pattern, meaning you can send data up and down the component tree.

Everything in the Angular is a component.

Component basics

Interpolation

Interpolation is the way to inject some value into HTML. We are injecting title from the component class to the HTML.

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function nl2br(str, is_xhtml) {
  //  discuss at: http://phpjs.org/functions/nl2br/
  // original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  // improved by: Philip Peterson
  // improved by: Onno Marsman
  // improved by: Atli Þór
  // improved by: Brett Zamir (http://brett-zamir.me)
  // improved by: Maximusya
  // bugfixed by: Onno Marsman
  // bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

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Generate a new private key and Certificate Signing Request
openssl req -out CSR.csr -new -newkey rsa:2048 -nodes -keyout privateKey.key

Generate a certificate signing request (CSR) for an existing private key
openssl req -out CSR.csr -key privateKey.key -new