Useful tips for everyday
How do you include a dummy variable in a regression example? For example, suppose we are interested in political affiliation, a categorical variable that might…
What is the minimum sum of instance weight in XGBoost? Minimum sum of instance weight (hessian) needed in a child. If the tree partition step…
Can you upgrade MongoDB from 4.0 to 4.2? To upgrade an existing MongoDB deployment to 4.2, you must be running a 4.0-series release. To upgrade…
Why is my macbook saying my screen is being observed? The message is generated by the OS and the screen is not actually being recorded…
How do you fullscreen Chrome on a Mac? For Chrome on macOS, in the upper-left corner of Chrome, select the green circle to go to…
How do you interpret PCA? To interpret each principal component, examine the magnitude and the direction of coefficients of the original variables. The larger the…
What can be stored in memcache? Memcached stores data based on key-values for small arbitrary strings or objects including: Results of database calls. API calls.…
How do I AirDrop between Mac and iPad? Turn on AirDrop: On a Mac: Click the desktop to switch to the Finder, then choose Go…
How dynamic library is linked? Dynamic linking and Dynamic Libraries Dynamic Linking doesn’t require the code to be copied, it is done by just placing…
How do I delete a SQL Server backup? To delete a backup device After connecting to the appropriate instance of the SQL Server Database Engine,…