Contributing

Is there an undo on Android? Android is a brilliant mobile operating system, but it’s not without its flaws. Even 7 years after its launch,…

How do I turn off the Facebook notification sound? How do I turn off or change notification sounds on Facebook? Tap in the bottom right…

How do I delete a Linked List? To delete a node from linked list, we need to do following steps. Find previous node of the…

How are missiles attached to fighter jets? Missiles use hangers to mount to a rack which, in cross section, resemble either a T-bar called an…

Is MVC design pattern used in iOS? The MVC pattern is commonplace in iOS development. You’ll learn a good approach of what (and what not)…

What does beta and closed beta mean? Developers may release either a closed beta, also called private beta, or an open beta, also called public…

What do you put in a rich text? With rich text elements you can add: Paragraphs. Headings (H1-H6) Images. Image Captions. Image alt attributes. Custom…

How do I send messages through terminal? Sending message to all users Type wall at command prompt and write the message. You can use any…

How do I read an array file in bash? By default both will be “trimmed” or “stripped””. $ read -r line <<< ‘ I would…

How do I change the view of my Playlist? Answer Select the playlist you want to change the appearance of. In the selection bar (below…