Useful tips for everyday
How do I restore the home directory in Linux? Restore whole home directory from scratch Check user UID and GID: $ id user1 uid=54324(user1) gid=54325(user1)…
What is the correct use of RPi.gpio cleanup? Correct use of GPIO.cleanup () RPi.GPIO provides a built-in function GPIO.cleanup() to clean up all the ports…
How do I replace text in AutoCAD? Find and Replace Text within an Mtext Object Double-click the mtext object. Click Text Editor tab > Tools…
What makes oceans foamy? Sea foam forms when dissolved organic matter in the ocean is churned up. Algal blooms are one common source of thick…
How the RC circuit can be used as a low-pass filter? First-order RC low-pass filter (LPF) Here’s an RC series circuit — a circuit with…
Is it difficult to design a power supply for a PCB? Yes, it is a challenging job for PCB designers to design a power supply…
How an asynchronous counter can be implemented using only D flip flops? Asynchronous Counters can easily be made from Toggle or D-type flip-flops. They are…
How do YOu decide which statistical analysis to use? To determine which statistical test to use, you need to know: whether your data meets certain…
Should references be in order of appearance? References should be cited with numbers between brackets in order of appearance ([1], [2], [3] etc.). The same…
What is the difference between the 787 and the 777X? Passengers. The Boeing 777 series is generally larger than the 787 and thus can carry…