Useful tips for everyday
Is a vector in null space? The null space of A is all the vectors x for which Ax = 0, and it is denoted…
Can I wrap my phone in plastic wrap? If you don’t have any plastic storage bags, plastic wrap works, too. Just tightly wrap your phone…
How do I add text before and after a blog post? If you have a block of text that you’d like to display before and/or…
What is the deviance in stats? In statistics, deviance is a goodness-of-fit statistic for a statistical model; it is often used for statistical hypothesis testing.…
How to split features into multiple feature classes? Splitting the Input Features creates a subset of multiple output feature classes. The Split Field’s unique values…
What do the off-diagonal elements in a correlation matrix represent? Here the off-diagonal elements of covariance matrix have non-zero values, indicating a correlation between the…
How do I know if change data capture is enabled? To determine if a database is already enabled, query the is_cdc_enabled column in the sys.…
What is false about dying ReLU? The dying ReLU problem refers to the scenario when a large number of ReLU neurons only output values of…
How to set completion ignore case in Bash? The variable needed is completion-ignore-case, and can be set directly in your bash session with: bind “set…
Why are passwords stored in a hash format? Password hashing add a layer of security. Hashing allows passwords to be stored in a format that…