Useful tips for everyday
How do you check if a shell script is already running? An easier way to check for a process already executing is the pidof command.…
What is a reflected sound called? echo Reflection of sound waves off of surfaces can lead to one of two phenomena – an echo or…
How do you check if a number is a multiple of another number? So, to tell if any number is a multiple of 2 look…
How to refresh page after form submit? If you want the form to be submitted on the same page then remove the action from the…
How do I access WordPress installation? WordPress access through a direct link On your browser’s address bar, search for your domain name with /wp-admin or…
How do you fix either offers review or aggregateRating should be specified? If you’re receiving the Either “offers”, “review”, or “aggregateRating” should be specified error…
How do I open the context menu on my keyboard? The Context Menu shortcut is Shift+F10. But, on a lot of keyboards, on the bottom…
What is main difference between variable and constant? Difference between Variable and Constant Constant Variables A constant does not change its value and it remains…
How can I debounce software? Software debouncing is accomplished by taking multiple samples of the input signal and determining whether to assert an output signal…
What is multiline comment in Python? Hash character(#) is used to comment the line in the python program. Comments does not have to be text…