Useful tips for everyday
How do we resolve the problem of heteroscedasticity? Weighted regression The idea is to give small weights to observations associated with higher variances to shrink…
How do you calculate the power of a frequency domain? Here are the different approaches, that I’ve read about so far, to calculate the power…
What is Git and how it works? Git is an Open Source Distributed Version Control System. So Git can be used to store content —…
Can you color code in Trello? There are 10 label colors to choose from in Trello, and a colorless label option. You can choose to…
How long should MySQL queries take? A query can take up to one hour if it crunches extremely large amount of data once every 6…
How do I receive phone calls on my Mac? Make and receive phone calls in FaceTime on Mac FaceTime: Enter a phone number in the…
Can you make an array of associative arrays in PHP? PHP Multidimensional array is used to store an array in contrast to constant values. Multidimensional…
What to do if Migration Assistant does not work? You can re-enable your anti-virus software after migration is finished. If you’re unable to use Migration…
How do I keep a screen on for a specific app? The way it works is simple—when you’re using any app, and you’d like to…
What is bin false shell? If you look more closely at the /etc/passwd file, you will find the /bin/false command as a login shell for…