Sometimes, PHP Notices and Warnings are shown even when Debug Display is Disabled. How to fix that? Well, simply add these four lines of code and all those Errors will be gone!
Who could expect a cheap sports smartwatch will provide you Altitude and Air Pressure when you are flying in a plane? Or provide you the latitude and longitude when you are trekking in a mysterious jungle or mountain?
You can access all the blogs (subsites) by clicking the "My Sites" menu in the adminbar. But what if you want to show a list of subsites in the front-end?