Useful tips for everyday
Is power calculated with RMS? Use rms voltage and/or rms current to calculate average power, resulting in meaningful power values. The peak-to-peak amplitude of a…
How do you fix an invalid environment block? Press E at the GRUB menu. Find the line saying save_env recordfail and delete all of it…
What is the difference between point and vector? A Point has position in space. The only characteristic that distinguishes one point from another is its…
How do you encrypt a message using transposition cipher? One modern transposition cipher is done by writing the message in rows, then forming the encrypted…
Is there a way to install Drush on Drupal? Granted, there are sites which elude to it, or try to explain it, and there’s even…
What happens to excess charge on a grounded object? Objects with an excess of charge – either positive or negative – can have this charge…
What is the formula for solving for the number of possible permutations? One could say that a permutation is an ordered combination. The number of…
Is screen resolution the same as display resolution? Screen size and screen resolution aren’t directly related. Since the resolution of both devices is the same,…
How do you handle a window resize? onresize Event Example. Execute a JavaScript when the browser window is resized: In HTML: In JavaScript: object. In…
How to calculate a 100% log normal confidence interval? Instead one can obtain a 100 (1 − 2α)% log normal confidence interval as follows: Estimate…