Useful tips for everyday
Can a variable be local and global? Variables are classified into Global variables and Local variables based on their scope. The main difference between Global…
How do you calculate truck loads? The formula for a truck measurement calculation is straightforward: height times width times length. How do I calculate my…
How do you fix a sticky push button switch? If the switch is already stuck, start working it in and out until it pops free.…
What is the command to unmount a partition? To unmount a mounted file system, use the umount command. Note that there is no “n” between…
Which is the same as proc / self / FD / N? /proc/self/fd/N is approximately the same as /dev/fd/N in some UNIX and UNIX-like systems.…
How do you ruin a catalytic converter? When an engine is operating outside of the proper specifications, wear and damage may be caused to the…
What is Aref pin in Arduino? AREF means Analog REFerence. It allows us to feed the Arduino a reference voltage from an external power supply…
How does missing data cause bias? Missing data present various problems. First, the absence of data reduces statistical power, which refers to the probability that…
How do I digitize MiniDV footage? Using the USB cable, connect the MiniDV camcorder or tape deck to your computer. Open the camcorder or tape…
How do you generate random alphanumeric strings in Swift? Swift 4.2 Update func randomString(length: Int) -> String { let letters = “abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789” return String((0.. How…