Useful tips for everyday
How do I create a WebSocket connection? Creating a WebSocket object In order to communicate using the WebSocket protocol, you need to create a WebSocket…
Is dd reliable? dd is generally considered reliable however it could fail for many reasons on it’s own and have nothing to do with the…
Do out of balance tires make noise? Uneven wear is a leading cause of tire noises because contact between the road and uneven tires isn’t…
What is DDL permission? DDL or Data Definition Language actually consists of the SQL commands that can be used to define the database schema. DDL…
How to create a gin Index in PostgreSQL? Creates a GIN (Generalized Inverted Index)-based index. The column must be of tsvector type. Creates a GiST…
How are units stored in a spatial partition? Now, superimpose a grid of fixed-size squares onto it like a sheet of graph paper. Instead of…
How do you view the code of an Excel macro? How to View Macros in Excel Open the Excel file that contains the macro. Go…
What is minimum allowable voltage? The minimum input voltage is half supply, that is VIN(MIN) = 1.5V, VIN(MAX) = 2.5V and V+ = 3V. How…
What are ActiveRecord methods? Active Record gives us several mechanisms, the most important being the ability to: Represent models and their data. Represent associations between…
How do I know if traffic is going through VPN? Look for the default route (0.0. 0.0) – and see if the default gateway is…