Useful tips for everyday
Which one is bigger folder or file? A file is the common storage unit in a computer, and all programs and data are “written” into…
What is the expectation of an integral? Generally speaking, the expected value of an integral is an iterated integral, and so the normal mathematical rules…
When to time out a command in Bash? Note that when the exit status is 124, you don’t know whether it timed out due to…
How do I add a shutdown button to my Raspberry Pi? This functionality is enabled by default. To shut down with the same button, just…
How do I make my height 100% sidebar? What you can do is simply create a new css rule for body and html tag with…
What is sleep/wake button on Mac? To put your Mac to sleep manually, choose one of the following two actions: Choose the Apple key→Sleep. (The…
What is the significance of RTS and CTS packets? RTS/CTS is an additional method to implement virtual carrier sensing in carrier sense multiple access with…
How do you find the picklist values in a formula field? Use Picklist Fields in Formulas In Setup, use the quick find box to find…
How do I save and restore desktop icon layout? Go to Edit>Restore Icon Layout and your layout will be restored instantly. You can create and…
How do you maintain a distribution transformer? The distribution transformer forms a link between the consumers and primary distribution. Dielectric strength of transformer oil shall…