Useful tips for everyday
Does Memoization use recursion? Memoization is a way to optimize DP algorithms which rely on recursion. What is Memoization in recursion? Memoization is a technique…
Can a Raspberry Pi run a security system? It is possible to design a simple home security solution by using Raspberry Pi and utilizing the…
How does a capacitor affect sound? The impedance (think of it as resistance) of a capacitor changes with the frequency of the signal passing through.…
Can you add a signature to iPad email? Open the Settings app and select “Mail, Contacts, Calendars.” This will display your mail account settings. Tap…
What does the characteristic polynomial tell you? In linear algebra, the characteristic polynomial of a square matrix is a polynomial which is invariant under matrix…
Why are two coils used in a transformer? In real transformers, the two coils are wound onto the same iron core. The purpose of the…
Which function is used to return a list of key value? items() Returns a list of key-value pairs in a dictionary. Which of the following…
How do I backup my iPhone text messages to my computer? How To Save iPhone text messages Open Decipher TextMessage and select an iPhone. Choose…
How do I sort by second column in bash? Use the -k option to sort on a certain column. For example, use ” -k 2…
Why is mercury used in diffusion pumps? Diffusion pumps operate in an entirely different way; by heating the fluid (initially mercury and then later the…