Useful tips for everyday
How much current can you draw from a GPIO? RPi GPIO input voltage and output current limitations. So, if you have set the current capability…
How many possible pairwise comparisons are there if we have 6 groups? There are (62)=15 possible pairs to look at. If we do fifteen tests…
Are SVG files OK for printing? SVG is okay for web (which is what it was designed for) but often there are issues with RIPs…
How to listen on Port other than 80 in Apache? If you need apache Listen port other than 80, you should add next file under…
How does TCN work in STP? Figure 1 shows how STP reacts to a topology change. When the status of the port at point T…
What can I do with the tar command? Using tar command, we can create tar archive using a directory, by adding all files in an…
What is EKU in certificate? The Key Usage Extensions (KUEs) are characteristics placed into a certificate that define the actions available for that certificate. What…
What are the legal concerns of ethical hacking? The legal risks of ethical hacking include lawsuits due to disclosure of personal or confidential information. Such…
Can subclass be cast to superclass? Casting from a subclass to a superclass is called upcasting. It’s common to use reference variables to refer to…
How does SAML authentication work in a service provider? The Service Provider agrees to trust the Identity Provider to authenticate users. In return, the Identity…