Useful tips for everyday
How do I enable Smime in my mail client? Choose S/MIME settings Open the Mail app. Open Settings by tapping the gear icon on a…
Why do we need to extend interface? An interface can extend another interface in the same way that a class can extend another class. The…
How long should I let my car run to recharge a dead battery? If your car does start, let it run for a few minutes…
What are the grades of ball bearings? Bearing balls are manufactured to a specific grade, which defines its geometric tolerances. The grades range from 2000…
How do I determine the size of a MySQL database? To check the sizes of all of your databases, at the mysql> prompt type the…
Can a relationship query be bi-directional in soql? Relationship queries can be bi-directional: from a child object looking at a single parent or from a…
How do you determine the cut-off point of a ROC curve? For this, you aim to maximize the Youden’s index, which is Maximum=Sensitivity + Specificity…
What is switch utilization factor? The switch utilization factor for the flyback converter is, U=(1−D)√D. U = ( 1 − D ) D . What…
How do you calculate carbon emissions from fuel? 1 liter of petrol weighs 750 grammes. Petrol consists for 87% of carbon, or 652 grammes of…
What is a full wave bridge rectifier? A Full wave rectifier is a circuit arrangement which makes use of both half cycles of input alternating…