Useful tips for everyday
Which disk should I install macOS? If the installer doesn’t see your disk, or it says that it can’t install on your computer or volume,…
How would you assign an integer to a variable? You can also assign the variables a value in the declaration statement. For example: int age…
How big is too big MySQL database? You can’t have more than 1000 columns. Your records can’t be bigger than 8k each. These limits change…
How to express time in UI and UX? If you provide an indication that a process will take 10 minutes, ensure that the indication does…
How do you write a simple character driver? chmod a+r+w /dev/mydev this application is writing hello to device and reading same from device. save this…
What is an adjacency list in C? An adjacency list represents a graph as an array of linked lists. The index of the array represents…
Can you stack switches on top of each other? Generally, there are two ways to stack switches together: through stackwise port or via stacking/uplink port.…
What is retention period in AWS RDS? Amazon RDS retains backups of a DB Instance for a limited, user-specified period of time called the retention…
Does metadata include HTML? Metadata: the element. Metadata is data that describes data, and HTML has an “official” way of adding metadata to a document…
What is consistent prefix? Consistent prefix consistency level guarantees that reads never see out-of-order writes. Consistent Prefix provides write latencies, availability, and read throughput comparable…