Useful tips for everyday
How does an alpha channel work? The alpha channel controls the transparency or opacity of a color. When a color (source) is blended with another…
How is 3phase power generated? Electric power is generated as three phase alternating current (AC) by turning mechanical turbines from the forces of water, steam,…
What is the need of rotations in AVL trees? A tree rotation is necessary when you have inserted or deleted a node which leaves the…
Which testing technique is used for static testing? The evaluation is done in order to find any structural defects that may lead to errors when…
How do I retrieve deleted notes from notes app on iPad? Check your Recently Deleted folder Open Notes, then tap Back until you see your…
Is public beta safer than developer beta? If you don’t want to wait, however, and you have a secondary device, a public beta is more…
Can a global variable be modified inside a function? Functions can access global variables and modify them. Modifying global variables in a function is considered…
Which one is max-heap? In a max-heap, the parent or root node is usually greater than the children nodes. The maximum element can be accessed…
How do you unlock a table in PostgreSQL? PostgreSQL – how to unlock table record AFTER shutdown Insert row in TABLE A. Lock this record.…
How do you measure speech recognition accuracy? The industry standard to measure model accuracy is Word Error Rate (WER). WER counts the number of incorrect…