Useful tips for everyday
Do I need a mail subdomain? mail.example.com is not necessarily a subdomain. Today, all the major web hosting control panel (cpanel, directadmin, plesk…) setup all…
How can I cool my home passively? Passive cooling works by: using shade and insulation to keep heat out of your home in summer. using…
What is a 3 2 pneumatic valve? A 3/2 valve has three ports and two states. Pneumatic solenoid valves typically have two, three or five…
What is the advantage of data compression? The main advantages of compression are reductions in storage hardware, data transmission time, and communication bandwidth. This can…
How do you calculate the minimizing level of output? Cost is minimized at the levels of capital and labor such that the marginal product of…
How do you write a complex number in Euler form? Euler’s formula is the statement that e^(ix) = cos(x) + i sin(x). When x =…
What kind of aerial photos are there in the US? Black-and-white, natural color, and color infrared aerial photographs over the United States are available in…
How do you choose a classification threshold? A simple method is to take the one with maximal sum of true positive and false negative rates.…
What data does Apple Quick Start transfer? Your new device offers the choice of transferring data from one device to another device or restoring apps,…
How do you stop a shell execution? You can terminate that script by pressing Ctrl+C from terminal where you started this script. Of course this…