Useful tips for everyday
What is the derivative of a vector? The derivative of a vector-valued function can be understood to be an instantaneous rate of change as well;…
What do you do when you cite a website with no author? When a web page has no identifiable author, cite in the text the…
How to fully parenthesize an expression? One way to write an expression that guarantees there will be no confusion with respect to the order of…
What is the effect of ground on antenna radiation pattern? Waves radiated from the antenna directly downward reflect vertically from the ground and, in passing…
What is the alternative of interrupts? polling In the MCU world, this type of periodic checking—the alternative to interrupts—is called polling. Do interrupts work during…
Is x86 assembly hard to learn? Assembly is hard to read and understand. It’s also quite easy to write impossible-to-read C, Prolog, and APL programs.…
Why does my WiFi says connected but no internet access on my phone? The first rule of IT-related fix is turning it off and on…
How do I access Cygwin files on Windows? I.e. DOS C: drive can be accessed in Cygwin by /cygdrive/c, D: as /cygdrive/d, etc. To display…
How can I find out what email address was sent from? Depending on the mail server, the address might be in the message header. Open…
How do I convert rows to columns in SSIS? Double-click on the Unpivot component to open the transformation editor. Then you’ll check each of the…