Useful tips for everyday
How do I monitor serial port traffic? How to analyze serial port traffic using Serial Port Monitor Go to the Main menu in the window…
Why should programmers handle exceptions? Java exception handling is important because it helps maintain the normal, desired flow of the program even when unexpected events…
What voltage should a solar controller be set at? The charge controller regulates this 16 to 20 volts output of the panel down to what…
How to assign Echo value to a variable in shell? Use either $ (…) or perhaps `…` backtick notation. However, the backtick notation is deprecated…
What causes sudden battery drain? 2: Update your apps Don’t have your apps set to update automatically? A rouge app is a common cause for…
How do I filter a list of values in Google Sheets? Filter your data On your computer, open a spreadsheet in Google Sheets. Select a…
How are IPN and PDT variables returned in PayPal? PayPal returns related variables for each kind of IPN or PDT message. Not all variables are…
Why do kangaroos leap? The large, stretchy tendons in a kangaroo’s hind legs act like giant springs. As these tendons strain and contract, they generate…
What are happy primes? Happy primes A -happy prime is a number that is both -happy and prime. Unlike happy numbers, rearranging the digits of…
Does mv work on directory? The mv command moves files and directories from one directory to another or renames a file or directory. How do…