Useful tips for everyday
What is no untagged? the ‘no untagged x’ in vlan 1 means that the port has been moved untagged into a different vlan… at factory…
How does AC current travel? The electrons in an AC circuit don’t really move along with the current flow. Instead, they sort of sit and…
What is a constant current circuit? A constant current source (CCS) in electronics is a device/circuit that produces a constant value of current regardless of…
How is the color blue denoted as an RGB pixel? A digital color image pixel is just numbers representing a RGB data value (Red, Green,…
What are connections in MySQL? Connections correspond to Sessions in SQL standard terminology. A client connects to the MySQL Server and stays connected until it…
How does add to cart work in CSS? We’ve been experimenting with the idea of hiding the cart by default, and showing it when the…
How do you validate a schema in Postman? Add JSON body on left side. Click Submit. It will create a schema on right side. Copy…
What are the uses of comparator? A comparator circuit compares two voltages and outputs either a 1 (the voltage at the plus side; VDD in…
How are normal vectors expressed in a normal map? Normal vectors in a normal map are expressed in tangent space where normals always point roughly…
When to use global variables in a function? Global variables are the one that are defined and declared outside a function and we need to…