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How do you write a class definition? A class–the basic building block of an object-oriented language such as Java–is a template that describes the data…

Where does Viber store backup? Viber’s backups are hidden for security. You can check them in GDrive Settings (little wheel on top left) and “Manage…

What are typical speeds for a serial port? Bit rates commonly supported include 75, 110, 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200…

Is 220 volt single-phase or 3 phase? Overall, for most markets, the single-phase voltage value is 230V. In Latin America, however, it is common to…

Can a Raspberry Pi 3 go into monitor mode? If you want to use your Pi 3 to monitor network data on your local network…

How does a 5V relay work on Raspberry Pi? You can control the coil of the relay with the help of Raspberry Pi (although not…

Why is my Wi-Fi not working on my MacBook Pro? Make sure your Mac is within range of the wireless network. The Wi-Fi service may…

What is JTAG Android? JTAG (Joint Test Action Group) forensics is an advanced level data acquisition method which involves connecting to Test Access Ports (TAPs)…

What is the difference between a folder and a smart folder on Mac? A normal folder is simple; it’s a thing you store files in.…

How to insert a time stamp in a file name? To insert date & time stamp in file name, you can use something like, $FileName…