To add it in to your config.php file is a bit more convoluted than via the database. The database key is dev/css/merge_css_files under core_config_data. You probably have a value for it if you run:
MySQL [db]> select * from core_config_data where path like 'dev/%';
which will display all of your dev config settings.
The easy way to see exactly what ...
Authorizing payment means the transaction amount is validated against the credit card used for the payment and put that amount on hold.
Capturing means the authorization and the fund transfer both will be done at the same time
Now in if you select authorize only as a payment action then you have option to capture the fund with 2 ways.
From Authorize .net ...
In my case Firefox was auto-filling the "PayPal Express Checkout" configuration with Magento login credentials. Click "Configure" next to "PayPal Express Checkout" and remove the auto-filled credentials.
A route will turn a URL into an Action Controller and a method. Unlike other convention based PHP MVC systems, with Magento you need to explicitly define a route in the global Magento config.
For more details, Can you please read.
correct way installing to localhost is:
add your domain to hosts file: 192.168.1.64 myshop.com
change magento base url as:
php bin/magento setup:store-config:set --base-url="http://myshop.com/"
php bin/magento setup:store-config:set --base-url-secure="https://myshop.com/"
php bin/magento cache:flush
add domain name to nginx config: listen 8091; ...