Useful tips for everyday
What is a good performance metric? A good performance metric embodies a strategic objective. It is designed to help the organization monitor whether it is…
What is command line commands? A command-line interface (CLI) processes commands to a computer program in the form of lines of text. The program which…
Can you sync two different Google accounts? It isn’t currently possible to merge separate Google Accounts. However, if you’d like to transfer your data from…
Why is sea level pressure important in aviation? Pressure Altitude As atmospheric pressure changes, the SDP may be below, at, or above sea level. Pressure…
What is a view relation? A view is a query over one (or more) base relations but does not actually contain any data itself. Are…
What operation is performed by a NOT gate? logical negation A NOT gate, often called an inverter, is a nice digital logic gate to start…
How does BLE mesh network work? However, using one of the mesh nodes as a BLE <-> Mesh proxy, enables the application to talk to…
How to query all records with a soql statement? System.assertEquals(2, [SELECT COUNT() FROM Contact WHERE AccountId = a.Id ALL ROWS]); You can use ALL ROWS…
What is an op-amp circuit? What is an Operational Amplifier (Op-amp)? An operational amplifier is an integrated circuit that can amplify weak electric signals. An…
Is higher mean absolute error better? Since the errors are squared before they are averaged, the RMSE gives a relatively high weight to large errors.…