Useful tips for everyday
How do you handle key errors in a dictionary? A Python KeyError is raised when you try to access an item in a dictionary that…
What is BSB format? BSB is an export format used by some hydrographic offices in the production of Raster Nautical Charts (RNCs). BSB exports consist…
What is a prediction filter? Predictive filters are a family of estimation techniques. They combine the uncertain prediction from the system’s dynamics and the corrupted…
What do you mean by DD image file? The DD file is a Disk image File created with the dd command. dd is a simple…
What to do when a document is locked by another user? To resolve this issue, first confirm that another user on the network does not…
How to use grep on all files non recursively in a directory? You can search recursively, as you said, if you want to search files…
How do you find out from the logs what caused system reboot? You can further correlate the reboot you want to diagnose with system messages.…
What are the default Oracle accounts? ORACLE creates a default account with the user ID “SYSADMIN” and password “SYSADMIN”. It is best practice to remove…
How to find duplicate records based on two columns? I want to have a SELECT query in sql server which will show only the duplicate…
How can I make my music louder than Max? Here are eight ways to make your headphones louder: Turn the volume up to its maximum.…