Useful tips for everyday
How do you tell if the columns of a matrix are orthogonal? A matrix P is orthogonal if PTP = I, or the inverse of…
How is a database conceptual design different from a logical design? A conceptual data model identifies the highest-level relationships between the different entities. A logical…
How do you structure a technical document? Front Matter of any technical document must include the following elements: Title page. It should include the title,…
Is tablet a User-Agent? The issue is that the Android User-Agent is a general User-Agent and there is no difference between tablet Android and mobile…
Does LDA need labels? Your understanding is correct: you need to label each input document before training. Labelled LDA is a supervised method, meaning that…
How do I encrypt my wallet? Step 1: Open Bitcoin-Qt. Step 2: Go to Settings > Encrypt Wallet. Step 3: Set a very strong and…
How do you convert XY coordinates to latitude and longitude in Qgis? Toggle editing (ctrl-E) and open the calculator (ctrl-I). Select “create a new field”,…
Can a 5V power pin be used to power multiple devices? Yes, the 5V and 3V3 power rails may be used to power multiple devices.…
What is usr bin directory? /usr/bin is a standard directory on Unix-like operating systems that contains most of the executable files (i.e., ready-to-run programs) that…
How do I clone a variable in SPSS? Clone Variables. Specify the variables you’d like to clone and some prefix: the names for the cloned…