Useful tips for everyday
How do I find wheel Group? To find out who is the in wheel group, look in the /etc/group file, but keep in mind that…
Can VPN read my emails? A VPN does not affect how your email is handled. All of your internet connections are routed through the encrypted…
How do I inspect a dropdown element in Firefox? The steps are: Inspect the dropdown field. Find the dynamic DOM (the purple highlight) Right-mouse click…
How do I create a drop-down list in Excel with multiple columns? In the same or in another spreadsheet, select a cell or several cells…
Can you use tweets in research? Yes, you need to connect to twitter API using given credentials: consumer secret, consumer key, access token and access…
How do I stabilize tracking in After Effects? To stabilize a layer, After Effects tracks the motion of a feature in the layer that should…
How to interpret complex DFT and FFT results? Key focus: Interpret FFT results, complex DFT, frequency bins, fftshift and ifftshift. Know how to use them…
What is the follow button in Salesforce? The Follow button lets users see activity such as field changes, posts, tasks, and comments on records directly…
Why do we use ephemeral ports? An ephemeral port is a temporary communication hub used for Internet Protocol (IP) communications. It is created from a…
How much more efficient is an MPPT charge controller? MPPT Charge controller The electronics allow MPPT controllers to operate the Maximum Power Voltage (Vmp) of…