Useful tips for everyday
What to do if Emacs server is not running? The -a allows you to specify an alternative editor if the emacs server isn’t running, but…
How do I connect my Dell XPS to WIFI? As Windows and Dell support WiDi, the format used by Miracast, there isn’t much to do.…
How do I install the new HPLIP? To install the latest version of HPLIP driver by using a PPA, execute the following: open a terminal…
Why is my Magic Mouse not connecting? Using your Mac notebook’s built-in trackpad or a USB mouse, choose Apple menu > System Preferences, then…
Why did my fingerprint reader stopped working? In case your Android fingerprint is still not working, you might need to clear your phone system cache.…
How do I force my Bluetooth speaker to connect? Go to settings, Bluetooth, and find your speaker (There should be a list of Bluetooth devices…
Why has my screen rotated 90 degrees? Hold down the Ctrl & Alt keys and use the arrow keys to rotate it back. Depending on…
How do I fix unable to locate a package? Fixing ‘Unable to locate package error’ on Ubuntu Check the package name (no, seriously) This should…
How do you calculate moments in statistics? Moments About the Mean First, calculate the mean of the values. Next, subtract this mean from each value.…
Why DFT is called as N point DFT? It is a finite duration discrete frequency sequence, which is obtained by sampling one period of Fourier…