This is incredibly useful for timestamping notes, journal entries, or logging data entries without having to look at the clock and type it out manually.
For those interested in web development or coding, F5 is the standard key for or "Run/Continue" in many Integrated Development Environments (IDEs) like Visual Studio. It allows developers to execute code line-by-line to find errors.
Sometimes, a website looks broken or outdated because your browser is holding onto old data (cache). To fix this, use a "Hard Refresh," which clears the cache for that specific page and downloads a fresh copy: