Guidelines

How is a GTID built in MySQL replication? GTID is built from two parts – the unique identifier of a server where a transaction was…

How do I add a class to an element in CSS? If you want to use a class, use a full stop (.) followed by…

How can IPv6 link-local address be identify? IPv6 Link Local addresses are identified among IPv6 addresses by reserving the left most 64 bits as 1111111010000000…

How to use circle markers with leaflet-tilelayer-GeoJSON? I want to use Leaflet circlemarkers instead of the default blue icons but I can’t find any examples…

How a web application firewall operates? A WAF protects your web apps by filtering, monitoring, and blocking any malicious HTTP/S traffic traveling to the web…

Can we call flow in lightning component? Using lightning:flow component, we can invoke a flow in Lightning runtime. This component requires API version 41.0 and…

What does the yaw damper do? A yaw damper is installed to continuously monitor the aircraft’s yaw rates and rapidly neutralize those yaw rates by…

What is the purpose of impedance matching in electronics? In electronics, impedance matching is the practice of designing the input impedance of an electrical load…

When do you need to use process substitution? Piping the stdout of a command into the stdin of another is a powerful technique. But, what…

What does a negative KL divergence mean? So, the KL divergence is a non-negative value that indicates how close two probability distributions are. Is the…