Useful tips for everyday
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 do I sync Notes between devices? Turn Android sync settings on On your Android phone or tablet, tap Settings . Tap Accounts Google .…
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…
Is LFP the same as LiFePO4? Lithium Iron Phosphate (LFP or LiFePO4) : Lithium Ferro Phosphate technology (also known as LFP or LiFePO4), which appeared…
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,…
How to slow down computer fan with resistor? The Resistor value needs to be in the range 16 to 35 Ohms, with a power rating…
How to automatically populate a list column in SharePoint? Plus if people leave or move department the column becomes outdated. 2 Use a Lookup field…