Useful tips for everyday
What is binary package? What is a binary package? A binary package in a linux context is an application package which contains (pre-built) executables, as…
Is power supply the same as UPS? The difference between a redundant power supply and a UPS is mainly powered by different power supplies, while…
When is X a normal random variable in Gaussian? If Z is a standard normal random variable and X = σ Z + μ, then…
Does OS X El Capitan have Imessage? Messages is not working in El Capitan. There are no accounts, and Internet Accounts does not show Messages…
How do I calculate in MySQL? MySQL SUM If you use the SUM() function in a SELECT statement that returns no row, the SUM() function…
How can I shorten my command line bash prompt? To change it for the current terminal instance only Just enter PS1=’:\W\$ ‘ and press enter.…
Does Steam save unfinished downloads? You can close Steam and/or restart your computer at any time while downloading with Steam. You do not need to…
Is voltage drop the same for AC and DC? In a DC circuit, voltage equals current multiplied by resistance. V = I R. Also, Kirchhoff’s…
What type of painting is the treachery of images? Painting The Treachery of Images/Forms What is depicted in Magritte’s painting The Treachery of Images? The…
Are web components performant? Web Components is a native browser feature. And like any other browser provided features, there is a W3C specification behind the…