Useful tips for everyday
How do you get rid of white borders on pictures? Remove a page border Click on the border to select it. If you can’t select…
Why Fourier transform is not suitable for non-stationary signals? A stationary signal is a signal that repeats into infinity with the same periodicity. The Fourier…
What is PKD Mac? According to the man page, pkd is a: management and supervision daemon for plug-in services. You can stop it with: launchctl…
What is BSD sed? BSD sed : always appends a newline on output, even if the input line doesn’t end in one. GNU sed :…
What can ADB do? ADB, Android Debug Bridge, is a command-line utility included with Google’s Android SDK. ADB can control your device over USB from…
How do I find out the number of users of an app? See the number of active users for your site or app….See Active Users…
Can RAID 5 fail? RAID 5 can fail due to any of the mentioned above reasons. However, RAID 5 is a redudant array which means…
What happens when you declare a variable in Ksh? However, when you declare a variable inside a function, the variable becomes local to the function…
How do I combine selected layers? You can merge linked layers by choosing Layer > Select Linked Layers, and then merging the selected layers….Merge two…
What is likelihood function for linear regression? Linear regression is a model for predicting a numerical quantity and maximum likelihood estimation is a probabilistic framework…