LocatorAutoCreate is an option for LocatorPane, Manipulate, and related functions that specifies whether new locators should be created when clicking away from existing ...
Off
(Built-in Mathematica Symbol) Off[symbol::tag] switches off a message, so that it is no longer printed. Off["name"] switches off a named group of messages.Off[s] switches off tracing messages associated ...
--x decreases the value of x by 1, returning the new value of x.
++x increases the value of x by 1, returning the new value of x.
Property[item, name -> value] associates the property name -> value with item.
RecordSeparators is an option for Read, Find, and related functions that specifies the list of strings to be taken as delimiters for records.
RemoveProperty[{obj, item}] removes all properties associated with item in obj.RemoveProperty[{obj, item}, name] removes the property name associated with item in obj.
RenameDirectory["dir_1", "dir_2"] renames the directory dir_1 to dir_2.
ScriptSizeMultipliers is an option for Style that specifies how much smaller to render each successive level of subscripts, etc.
SetProperty[{obj, item}, name -> value] sets the property name -> value for item in obj.