Useful tips for everyday
Can I use stock photos on my photography website? Here’s how to use stock photos legally: As long as they are labeled for commercial use,…
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…
Where do we use version control systems? Version control is important to keep track of changes — and keep every team member working off the…
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…
Can I use a different Apple ID for iMessage on Mac? Answer: A: Answer: A: Messages/Add Account and create a new account using your other…
How do I sync calendars across devices? Tap Settings > Mail, Contacts, Calendars. If the account you want to use for syncing calendars (iCloud, Exchange,…
Why do I need JSON for Apex Rest callout challenge? The main reason is, in the challenge it is asked to pass id as the…