How to see if value of variable is Nil

How to see if value of variable is Nil



1.Variables - gigamonkeys

Description:... initializing the variable to NIL--a plain variable ...
code by changing the variable's value. ... the constant in order to see
the new value since the ...



2.Download Assign a variable a value if it's nil - There is ...

Description:... review of Assign a variable a value if it's nil
(snippets.dzone.com). Software Library; ... you can coolly hide the
windows that you dont want others to see and ...



3.Programming in Lua : 1.2

Description:But, if you need to delete a global variable, just assign nil
to it: b = nil print(b) ... it has a non-nil value. Copyright © 2003–2004
Roberto Ierusalimschy.



4.Class: Object (Ruby 2.1.0) - Ruby-Doc.org

Description:See also the discussion ... Returns the value of the given
instance variable, or nil if the instance ... VALUE
rb_obj_remove_instance_variable(VALUE obj, ...



5.Set-Variable | PowerShell | SS64.com - SS64 | Command line ...

Description:For more information, see the -Option parameter. ...
Clear-Variable - Remove the value from a variable Get-Variable - Get a
PowerShell variable



6.Nil - Roblox Wiki

Description:Nil can be used to blank the value of a property of an object
of type ... Nil can also be used to remove a value in a table or destroy a
variable in a ... See also ...



7.Lisp to Reset Variable Value to nil - Autodesk Community

Description:You can see that the variable 'happy' is set to nil now. ...
variable name from the user and then make that variable's value become
nil. Reply. 0 Kudos



8.Local variables set to nil? (Objective-C) - Stack Overflow

Description:1 See nil in gdb is not defined as 0x0? which covers the
technical definition, ... Value of loop variable after "for in" loop in
Objective C. Related. 624



9.how to check for null value (Page 1) - Controllers and ...

Description:It appears to me that your ingredient is the nil value here,
not its name. So you can't evaluate if the name is nil, empty, or
otherwise.



10.Understanding Delphi's NIL value and the Assigned RTL Function

Description:A variable of a class type is actually a pointer that
references an object. ... Understanding Delphi's NIL value and the
Assigned RTL Function; Advertise on About.com ...