[SOLVED] When to add "[%s]" to an item label

[RolfV (Rolf Vermeer)]

For this occasion I’m just referring to a post I made earlier today:

[SOLVED]Question aboute [%.1f °C], [%d %%], [%.3f kW]

What you are asking about is called String formatting. For example: [%.1f °C]: %.1f means that at that point a floating point number is to be filled in, with 1 digit after the decimal separator (the .), followed by the unit degrees Celcius in this case, but that could be anything. [%d %%]: %d means that a integer number is to be filled in there, and it should be followed by a percentage sign (%), but as the % is already a special character, it is escaped by adding another % in front of it. [%…