ABooooo

<?php
$args = array(
  'post_type' => 'product',
  'product_cat' => 'klaviere',
  'posts_per_page' => 3,
  'orderby' => 'date',
  'order' => 'DESC'
);
$loop = new WP_Query($args);
while ($loop->have_posts()) : $loop->the_post();

ABooooo

// model
// ts
export interface Post {
  // some data for example
  title: string;
  content: string;
}

// service
// ts

ABooooo

// html
<textarea rows="6" [value]="newPost"></textarea> // property is element property written in []
<button (click)="methodName()">Btn text</button>

// ts
export class className {
  newPost='predefined text for textarea';
  
  methodName() {
    // do something

ABooooo

// html
<button (click)="methodName()">Btn text</button>
<p>{{ newPost }}</p>
 
// ts
export class className {
  newPost='';
  
  methodName() {
    this.newPost = 'some text';

ABooooo

// app.module.ts
import { LOCALE_ID } from '@angular/core';
import { registerLocaleData } from '@angular/common';
import localeDe from '@angular/common/locales/de';

registerLocaleData(localeDe);

providers: [
    [{ provide: LOCALE_ID, useValue: 'de-DE'}]
  ],

ABooooo

// shortcode
[recent_products per_page="6" columns="6" orderby="rand" order="rand"]

ABooooo

// https://www.templatemonster.com/help/woocommerce-how-to-set-random-order-for-products.html

add_filter( 'woocommerce_get_catalog_ordering_args', 'custom_woocommerce_get_catalog_ordering_args' );
 
function custom_woocommerce_get_catalog_ordering_args( $args ) {
$orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );
 
if ( 'random_list' == $orderby_value ) {
$args['orderby'] = 'rand';
$args['order'] = '';

ABooooo

// convert to number in currency format
var invValueFormat = new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(response.result.sumCostPrice);
// remove dot and replace with space
invValueFormat = invValueFormat.replace(/\./g, ' ');

ABooooo

// myArray = is an accual array of objects
// param = is a parameter in object
// value = is what we are looking for

var index = myArray.findIndex((obj => obj.param == value));

ABooooo

For example do not remove comment in style css fpr WP theme

/*!
*/

/*!
Theme Name:     Storefront Child Theme
Theme URI:      https://github.com/stuartduff/storefront-child-theme
Author:         Stuart Duff
Author URI:     http://stuartduff.com