Useful tips for everyday
How to set up a passwordless ssh login? The following steps will describe the process for configuring passwordless SSH login: 1 Check for existing SSH…
Do computers really shut down? Most computers have three levels of low-power states when they’re not in use: sleeping, hibernating, and shut down. In sleep…
When does an XBee module use serial communication? When operating as a stand-alone device, an XBee module simply sends sensor data to a central node.…
Is my property in a flood zone? Check the FEMA flood map. The Federal Emergency Management Agency, or FEMA, has a tool that makes it…
How do you email everyone on Google Docs? Check the box next to the file or folder you’d like to share. Choose a visibility option:…
What is MOV in surge protection? A Metal Oxide Varistor (MOV) is a voltage dependent resistor. In other words, it’s an electrical component whose resistance…
What is Slony replication? Slony is a primary-standby replication environment that is well-suited for large databases with a limited number of standby systems. Slony replication:…
What is a memory leak in software? DEFINITION A memory leak is the gradual deterioration of system performance that occurs over time as the result…
How do you choose evaluation metrics for classification model? This post is about various evaluation metrics and how and when to use them. Accuracy, Precision,…
How does AI in racing games work? In very simple games the AI will advance along a predefined spline, and all that is needed is…