Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...

The Vivo V7+ features an 18:9 aspect display with an HD resolution, which is a bit less considering its size of 5.99-inches. Build quality is good and the phone feels comfortable to hold in your hand.

The Vivo V7 features a 5.7-inch IPS screen with an 18:9 aspect ratio and a HD+ resolution. Touch response is good and so are the viewing angles and colours. The body is slim and light due to the ...