Useful tips for everyday
Why is my Apple AirPort Express so slow? AirPort Express – I am getting significantly slower speeds on the AirPort Express. It is supposedly extending…
Why are Pantone Colour guides so expensive? The Pantone Fashion, Home and Interiors fabric system is more expensive than the printed paper Graphics system but…
Why does the wire in an electromagnet need to be insulated? The copper wire used in an electromagnet is insulated with a coating of nonconductive…
How to calculate optical power of LED? Responsivity of a photodiode A photodiode can be used to calculate the optical power Pin of light. Similar…
How do you get the total count in aggregation? Use this to find total count in the collection. db.collection.aggregate( [ { $match : { score…
What is segment in programming? In computing, a code segment, also known as a text segment or simply as text, is a portion of an…
How do you collect speed data? Technologically, the radar gun method is one of the most accurate ways to measure vehicle speeds. The radar gun…
What does the central limit theorem test? The central limit theorem states that if you have a population with mean μ and standard deviation σ…
When should you use the agile framework? Agile works really well when the product vision or features are not well defined. Agile allows product owners…
What is the maximum height a plane can fly? The highest certified altitude of an airliner was Concorde’s 60,000 feet. Today some of the corporate…