Useful tips for everyday
How do I check if a string is empty or null in Apex? There are a few options to validate empty text fields in Apex:…
Can you use meters instead of degrees in QGIS? Instead of meters it calculates distances in degrees. I found that some other users faced also…
Does PSQL use SSL? PostgreSQL has native support for using SSL connections to encrypt client/server communications for increased security. What is RDS certificate? RDS –…
How would you describe Kalman filter? In statistics and control theory, Kalman filtering, also known as linear quadratic estimation (LQE), is an algorithm that uses…
Can you dual-boot Linux on a laptop? Linux is often best installed in a dual-boot system. This allows you to run Linux on your actual…
How do you submit an assignment on Webassign? How you submit answers depends on the Assignment Submission rule displayed at the top of your assignment.…
How are actuators used in robotics? An actuator is a device which causes something to happen. This could be a robot movement, which is often…
How do you assess linearity assumption in regression? The linearity assumption can best be tested with scatter plots, the following two examples depict two cases,…
How much does it cost for a payment gateway? Payment Gateway – Price Comparison Payment Gateway Set-up fee Annual Maintenance Fee CCAvenue Nil (Basic pack)…
How do I use autocomplete command in Linux? When at the MS-DOS, Windows command line or a Linux or Unix shell, typing in long file…