Useful tips for everyday
Which format can display date? Overview of date and time formats The dates appear as, mm/dd/yyyy in the U.S. and as, dd/mm/yyyy outside the U.S.…
How do you restart Arch? Users without sudo privileges Now your user can shutdown with sudo systemctl poweroff , and reboot with sudo systemctl reboot…
What does it mean for a shell to be interactive? An interactive shell is one started without non-option arguments, unless -s is specified, without specifying…
How do I remove or replace characters in a string? Example of removing special characters using replaceAll() method public class RemoveSpecialCharacterExample1. { public static void…
How do I change the repeat rate on my keyboard? The best way to understand how the rates work is to mess with them: Open…
What is a location extension? Location extensions can help people find your locations by showing your ads with your address, a map to your location,…
How is IP checksum calculated? The checksum calculation is defined in RFC 791: The checksum field is the 16-bit ones’ complement of the ones’ complement…
What was soap originally used for? Ancient Middle East The Ebers papyrus (Egypt, 1550 BC) indicates the ancient Egyptians used soap as a medicine and…
Is there port forwarding on Windows Server or VPs? Port Forwarding on Windows Server or VPS Windows Firewall is a utility included with all recent…
How do you create an image effect? How to Add Fotor’s photo effects to Your Picture? Open the photo you wish to edit with Fotor.…