Useful tips for everyday
Do Views speed up queries? Views make queries faster to write, but they don’t improve the underlying query performance. In short, if an indexed view…
What is the formula for the handshake problem? # handshakes = n*(n – 1)/2. This is because each of the n people can shake hands…
Which dll files contain icons? Where are Windows 10’s default icons located? The imageres. dll file contains many icons, used almost everywhere in Windows 10.…
How do you know if Boolean expressions are equivalent? A truth table can be used to prove if two boolean expressions are equivalent. – Just…
Can you get pictures off a broken phone? Retrieve Photos from Broken Android Phone with AutoPlay (The USB Debugging is Turned On) You can also…
What is the best way to dispose of alkaline batteries? Disposing of, General Purpose and Alkaline Batteries The easiest way to dispose of batteries and…
What does forward voltage mean in a diode? The forward voltage is the amount of voltage needed to get current to flow across a diode.…
How do I manage external sharing in SharePoint? To enable advanced external sharing settings, navigate to your SharePoint or OneDrive admin center. In the left…
How is Observable implemented? When an Observable produces a value, it lets the observer know by calling next on the produced value, or error when…
How do I merge multiple CSV files in pandas? Import multiple csv files into pandas and concatenate into one… import pandas as pd. # get…