Useful tips for everyday
How do I change my kernel uname? To change the system name: Log in as root. Modify the system name using the command: uname -S…
How do I change the login screen on my Mac Big Sur? How to change the login screen wallpaper on macOS Big Sur System Preferences…
How do you answer standard deviation questions? Work out the Standard Deviation. Work out the mean. Then for each number: subtract the Mean and square…
How to exit a script in a conditional statement in Bash? (Search man bash for “subshell”.) The parentheses around those commands creates a subshell. Your…
What to do if your Mac Finder is freezing? If you find that Finder on your Mac or Macbook has started hanging or freezing (giving…
How to use local JSON in ACF theme? To start using the local JSON feature, simply create a new folder in your theme and name…
Does while loop check condition first? A while loop evaluates its condition before the first iteration, and inbetween each subsequent iteration. The condition is never…
How do I reset a systemd timer? Yes, you can make your service to restart it periodically by making your service of Type=notify . Add…
Is it illegal to exploit a bug? Thus, it is somewhat ambiguous, but yes, generally knowingly exploiting a bug is against the terms of service…
What is UART in PIC? UART stands for Universal Asynchronous Receiver / Transmitter. It is a serial communication interface which uses two lines for sending…