Useful tips for everyday
How do I mark up a DOCX file? How to mark up a document in the Files app Open the Files app. Tap the file…
How does a strain gauge work? A strain gauge is a sensor whose measured electrical resistance varies with changes in strain. Strain gauges convert the…
What is disk IO time? Disk I/O includes read or write or input/output operations (defined in KB/s) involving a physical disk. In simple words, it…
What does rebooting an instance do? When you reboot an instance, it keeps its public DNS name (IPv4), private and public IPv4 address, IPv6 address…
Do modern processors use pipelining? Modern CPUs all use pipelining to improve performance, but how does it work? We will use a warehouse robot analogy…
How many instances does a server have Oracle? NOTE: The maximum number of database instances per cluster is 512 for Oracle 11g Release 1 and…
How do you resolve the issue of receiving the same email message multiple times when using Outlook? Sometimes due to a simple configuration problem In…
Why does my computer say operating system not found? When a PC is booting, the BIOS tries to find a operating system on a hard…
What is ls F command? ls -F appends symbols to filenames. These symbols show useful information about files. @ means symbolic link (or that the…
Does mid 2012 MacBook Pro have retina display? Mac computers that have a Retina display. MacBook Pro models: 15-inch MacBook Pro models introduced in 2012…