Useful tips for everyday
How to change the title of an xterm terminal? A static title may be set for any of the terminals xterm , color-xterm or rxvt,…
What are the benefits of an iterative approach? The benefits of iterative development include: Working software from the start. Delivers business value with each iteration.…
How to calculate the drain source voltage, VDS, of a JFET transistor? The drain-source voltage, V DS, of a JFET transistor is the voltage that…
Is a hierarchical database a relational database? The main difference between relational and hierarchical database is that the relational database follows the relational model and…
How do I get rid of clock widget? Move or remove a clock widget Touch and hold the clock on your Home screen. Slide the…
Why is date modified in the future? A “last modified” date in the future indicates that something is wrong with the system clock, which is…
What is the point of hidden files? A hidden file is a file which has the hidden attribute turned on so that it is not…
What voltage does a Raspberry Pi 4 use? The Pi is engineered to work at 5 volts, plus or minus 5% (4.75 – 5.25 volts).…
Are PCA components orthogonal? This is a general property of principal components that extends to higher dimensions; they always orthogonal to each other. In higher…
What is a good accuracy random forest? Average absolute error: 4.3 degrees. Accuracy: 92.49 %. The random forest trained on the single year of data…