Useful tips for everyday
What is negative dentry? A negative dentry is a little different, though: it is a memory of a filesystem lookup that failed. If a user…
Which process is using which port Linux? How to check if port is in use in Open a terminal application i.e. shell prompt. Run any…
Does Google have a PDF scanner? Open the Google Drive app on Android. The scanning feature isn’t available on iOS or the desktop version. Tap…
How do you calculate standard error of HAC? The HAC standard errors are equal to the square roots of the items on the diagonal of…
What is the difference between vi Vim and Emacs editor in Linux? In a nutshell, vim is the modern improved version of the classic vi…
Is the standard deviation linear? From Equation 3.6, we conclude that, for standard deviation, SD(aX+b)=|a|SD(X). We mentioned that variance is NOT a linear operation. But…
Which is the best way to use Ediff? Compare versions of files in a given directory. Ediff selects only the files that are under version…
How do you connect two Arduinos using I2C? Follow these steps to connect two Arduino UNOs using I2C: Connect pins A4 and A5 on one…
How do you go from line to line to neutral? Answer: // To know the Linea-Neutral voltage of the press, the line-to-line voltage divided by…
What is the difference between a bank and a roll? The roll axis (or longitudinal axis) has its origin at the center of gravity and…