Useful tips for everyday
How do you calculate variability of data? Measures of Variability: Variance Find the mean of the data set. Subtract the mean from each value in…
How to use the same webcam in two different scenes? In the Scenes list, find your first scene, and left-click it. In the Sources list,…
How do I change my firewall settings Mac? To change these preferences on your Mac, choose Apple menu > System Preferences, click Security & Privacy,…
Is there a limit on in-app purchases? The current limit for Apple’s In-Purchase is 10.000 items. If that is not enough you can be granted…
How do I fix a black screen on my laptop after an update? If your Windows 10 PC reboots to a black screen, just press…
How do I create a layer map? Maps are created with one layer, but you can have up to 10. On your computer, sign in…
Can I import MySQL dump to PostgreSQL? Create a database connection for the MySQL source (Tools -> Wizard -> Create database connection) Create a database…
How to get term archive url for a post? From the codex: Returns an HTML string of taxonomy terms associated with a post and given…
Why does the kernel need PID to get process information? Every time a user or the system (Linux) launches a program, the kernel will create…
Why are there different clock signals? Digital circuits. Most integrated circuits (ICs) of sufficient complexity use a clock signal in order to synchronize different parts…