Useful tips for everyday
What is the ID of a YouTube video? The video ID will be located in the URL of the video page, right after the v=…
Do WS2812b need resistor? Placing a small-ish resistor between your Arduino’s data output and the WS2812’s data input will help protect the data pin. A…
Why do cathode rays deflected in electric field? That rule describes how a charged particle (our electron) moving in a magnetic field will be deflected…
What is a hardened PC? In computing, hardening is usually the process of securing a system by reducing its surface of vulnerability, which is larger…
How do I copy a docker image from one server to another? Save you images using docker save like: docker save -o docker-images.tar app-web. Copy…
What does PID stand for? Pelvic inflammatory disease (PID) is an infection of one or more of the upper reproductive organs, including the uterus, fallopian…
Are disjoint events independent or dependent? If events are disjoint then they must be not independent, i.e. they must be dependent events. What is the…
Which is used as a detector in optical pulse rate measurement? Optical monitors Its function is that the light is irradiated by the skin with…
What is edge case and corner case? An edge case is an issue that occurs at an extreme (maximum or minimum) operating parameter. A corner…
How do I resize a Visio diagram? Method 1: Use the CTRL key and Mouse Open a drawing in Visio. Hold down CTRL and put…