Useful tips for everyday
Is correlation coefficient additive? Correlation Coefficients are not additive. The stronger the association of the two variables, the closer the Pearson correlation coefficient, r, will…
Do you need to install repmgr on the Master? You will need to install repmgr on the master as well as standby. On the primary…
Is subdomain a CNAME? A CNAME record is an alias for a subdomain. When you configure a CNAME record for a subdomain, DNS queries are…
How do I get xiaomi back from fastboot mode? Power and Volume Buttons Combination For this to work, you need to press and hold the…
What does it mean when plastic turns yellow? This yellowing happens thanks to a flame retardant called bromine in those old ABS plastics. When exposed…
How do I change the Leave a reply form in WordPress? The Leave a Reply text can be edited in your WP Admin Dashboard. You…
Is OpenGL a hardware? The OpenGL specification describes an abstract API for drawing 2D and 3D graphics. Although it is possible for the API to…
How do you do a horizontal stretch by a factor of 2? Thus, the equation of a function stretched vertically by a factor of 2…
Why is it not advisable to use the debug logging level in a production environment? In a production environment, you can’t log everything. Not only…
Does the source MAC address change when a router forwards a packet? Exam Alert: Remember that the source and destination IP address do not change…