Category: Trendy

How do you politely ask if it is free? “Are you free…?” or “Are you available…?” are the most common expressions used to ask someone if they are free or available at a particular time. Likewise, “Does this fit into your schedule?” or “Is your schedule open…?” are two other polite expressions to ask about…

How do you find the difference between all pairs in an array? Given an array, find the sum of the absolute difference of every pair of integers. For example: Given a[]= {2,3, 5, 7 }; output would be (3-2) + (5-2) + (7-2) + (5-3) + (7-3) + (7-5) = 17 . It must be…

Why do articles come before university? “University” is a singular countable noun. Although it begins with a vowel, the first sound of the word is /j/ or “y.” Thus, “a” instead of “an” is used. In this sentence, it is also generic (it could be any university with this specialization, not a specific one). Do…

Is social media marketing BTL or ATL? PPC/social media ads can be extremely well targeted and therefore should be considered for any BTL marketing campaign. While I said above that social media profiles are ATL in nature, any ads that you run through them are BTL as they should have a level of targeting attached…

Is UK MSC Recognised in USA? UK mostly has one-year Masters degrees, even an MBA from Oxford is just one year. It’s still one of the best in the world. And though the one year UK masters aren’t equivalent to Indian masters – they are accepted worldwide for sure as a mark of a good…

Can be visualized as an electromagnetic wave? Explanation: It is usually written as wavelength = c / frequency. Explanation: Electromagnetic waves are visualised as sinusoidal wave. What is one example of an electromagnetic wave? Examples of EM waves are radio waves, microwaves, infrared waves, X-rays, gamma rays, etc. What is the visual representation of electromagnetic…

Is it hard to get accepted into the CIA? If you read the qualifications, you probably realize it’s pretty tough to get into the CIA, especially if you want to be one of the 10\% of CIA officers who are field operatives. Your chances will be much better if you’ve first been honest with yourself…

Why a TA is always invertible? If A has linearly independent columns, then Ax=0⟹x=0, so the null space of ATA={0}. Since ATA is a square matrix, this means ATA is invertible. Is a matrix with a zero eigenvalue invertible? No. The determinant of a matrix equals the product of its eigenvalues. If any eigenvalue is…

Is it illegal to 3D print an airsoft gun? Yes, they are legal as long as they conform to existing laws regarding the home manufacture of firearms. So essentially here are your steps to printing any such firearm: Learn all the laws related to the home manufacture of firearms, which number in the tens of…

Do pilots have to speak different languages? The FAA (Federal Aviation Authority) and ICAO (International Civil Aviation Organization), the world’s organization overseeing aviation, require all pilots flying under their organizations to have attained ICAO “Level 4” English ability. This means all pilots must speak, read, write, and understand English fluently. Do air traffic controllers need…