Useful tips for everyday
How do you compare metrics in Google Analytics? Compare a range of metrics with secondary dimensions and plotted (selected) rows. So, it turns out, if…
How do you know if a 2d matrix is a separable filter? If the filter is separable, all energy is in the first singular value.…
Why does kissing make me uncomfortable? Some people have trouble kissing because they are not ready for the level of intimacy that it involves, says…
How do you measure correlations? The correlation coefficient is measured on a scale that varies from + 1 through 0 to – 1. Complete correlation…
Is Nano X better than Nano S? However, the Nano S is made for people who want to hold onto a small amount of crypto,…
What is the difference between maximum likelihood ML and maximum a posteriori MAP estimation? MLE gives you the value which maximises the Likelihood P(D|θ). And…
How do I change the default value of a text box? Input Text defaultValue Property Change the default value of a text field: document.getElementById(“myText”).defaultValue =…
What programs are on a Mac? Any Macbook comes with macOS Big Sur (operating system) and built-in (free) software such as Time Machine, FaceTime, Safari,…
How do I change the order of pages in a PDF in Preview? Here’s how to reorder PDF pages on a Mac. Sign in to…
What is constant current and constant voltage? Constant voltage luminaires require a steady voltage to be supplied from the driver eg 12 or 24 Volts.…