Useful tips for everyday
What is state and state variable? A state variable is one of the set of variables that are used to describe the mathematical “state”of a…
How do you find the Laplacian matrix of a graph? The Laplacian matrix L = D − A, where D is the diagonal matrix of…
How is a 3D Perlin noise function used? Since 2D perlin noise generates nice/smooth looking hills, 3d perlin noise will generate nice/smooth hills and nice…
How is a BPSK signal represented in a carrier signal? A BPSK modulated signal is represented by a carrier signal shifted by 180° for one…
Does a 1.5 watt solar panel need a charge controller? No, a solar battery charge controller is only needed for panels of 15W or greater.…
Where are Oracle dump files located? Obviously, the default dump directory is directory object defined to \oraclexe\app\oracle\admin\XE\dpdump\. If you go to that directory, you will…
Why is my Postfix mail server not starting? Sometimes you might have observed “Postfix – Must issue a STARTTLS command first” error in your postfix…
Which data structure allows push and pop operations? In computer science, a stack is an abstract data type that serves as a collection of elements,…
Why does my iPhone say camera used recently? 1 Answer. It means that an app has used your camera recently – in this case, the…
Why would bounce rate suddenly drop? Firing an interaction event on page load is another factor which causes a sudden drop in bounce rate. A…