bka

echo update_product("http://magento2.local/index.php/rest/V1/products/test");
// following option CURLOPT_PUT breaks magento with
// {"message":"%fieldName is a required field.","parameters":{"fieldName":"product"},
curl_setopt($ch, CURLOPT_PUT,           1 );
// use CURLOPT_CUSTOMREQUEST instead
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT");

bka

$componentReigstrar = $this->objectManager->get('\Magento\Framework\Component\ComponentRegistrarInterface');
$path = $componentReigstrar->getPath(ComponentRegistrar::MODULE, 'Vendor_Modulename');

bka

// Magento\Cms\Model\PageFactory
$page = $this->pageFactory->create();
$page->setTitle("Impressum");
$page->setContent("<h1>Impressum</h1><p>Edit Me :)</p>");
$page->setIdentifier('impressum');
$page->setStoreId(0);
$page->setPageLayout("1column");
$page->save();

bka

<?xml version="1.0"?>
<page layout="1column" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <referenceContainer name='sidebar.main' remove='true'/>

    <referenceContainer name='catalog.leftnav' remove='true'/>
    <referenceContainer name='page.main.title' remove='true'/>

    <referenceBlock name='category.products.list'>
        <action method='setTemplate'>
            <argument name='template' xsi:type='string'>Vendor_Module::product/list.phtml</argument>

bka

XDEBUG_CONFIG="idekey=vim" php -dxdebug.remote_host=127.0.0.1 -dxdebug.remote_enable=on /usr/local/bin/phpunit -c phpunit.xml

bka

<VirtualHost *:80>
    ServerName mage2.dev
    ProxyPreserveHost On
    ProxyPass / http://mage2.dev:8039/
    ProxyPassReverse / http://mage2.dev:8039/
</VirtualHost>

bka

$appState = $objectManager->get("Magento\Framework\App\State")
$appState->setAreaCode("frontend")

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$productFactory = $objectManager->create("\Magento\Catalog\Model\ProductFactory");                                                                         
$product = $productFactory->create()
$product->load(1)
$product->getData()

bka

XDEBUG_CONFIG="idekey=PHPSTORM" php -dxdebug.remote_host=192.168.56.1 -dxdebug.remote_enable=on -f bin/magento setup:upgrade

bka

$directoryReader = $objectManager->create("\Magento\Framework\Module\Dir\Reader");
$moduleDirectory = $directoryReader->getModuleDir('', 'Vendor_Modulename');
echo "directory of module is ".$moduleDirectory;

bka

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();