NaN/PathRefnum? function unnecessary production responds to path, Refnum

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• Refnum control is not a number/path/refnum

  Hi all

  I'm working on a LV7.1 program. It has a control refnum on the façade. If this control is not signed by the appellant, the follow-up 'Not a number/path/refnum' will return TRUE. It's like a 'default'. But I don't know how to implement this function. I mean, I can't find a way to set the control of refnum with a default value as "not a number/path/refnum". Can someone give me a hint?

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  stable

  Under file e / s-> constants file, there is a constant "not a Refnum". (Why under file e/s? Do not know?)

  You can change your control to an indicator, it wire up to now, the VI run once and then change things at the back (you now have not a Refnum value).  You can then make it worth stick by right-clicking on the control of data operations by choosing-> do default to the current value.

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  I am writing a LabVIEW application and check that the Switch Executive session is valid before I allow the user to validate the test to run. I connect the not A number/path/Refnum? Function to reference session SE and it connects correctly, but the output of the function is never wrong even though I see the session reference is valid and non-null. Any ideas why this is?

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  It was a trick to convert a reference internal in an external shared library (usually a pointer memory) in a datalog refnum strict typedefed. This safely prevents a user to connect to what anyone, but this type of refnum at the VI in question. But this wasn't really a datalog refnum and the is not a number/path/Refnum refnum, which subsystem to question the validity of a refnum to determine based on the subtype. The LabVIEW datalog Manager ever created this refnum and hence will return correctly (not one of my refnums which is currently known to be valid).

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  Sorry my English

  http://forums.NI.com/T5/LabVIEW/stream-data-from-a-subvi-to-the-main-VI/m-p/2205150/highlight/true#M...

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  BOM Dia reach,

  EU awesoe o than você hoje seja isso aqui (Desenho bem simplificado) has:

  

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  No desenho, EU aponto duas camadas wave voce pode atuar para automatizar try suas medicoes:

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  E possible access pilot diretamente also o, mas had nao recomendo. O resultado não compensation o esfroco!

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  twolfe13 wrote:

  I'm testing if an array values are less than 0.001. They are all... BUT the problem is that some of the elements of the array are NaN values. I want to do two things:

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  The results in an array of Boolean values of T, F. If all the values of the boolean chart are T, resulting in a single Boolean value of t. # 2, I I want to test if an element of the array is less than OR equal to 0.001 NAN.

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  Now, I get the error-01405 when I use the function and predicate UNDER_PATH path_string PATH use the parameter. If you use rather a literal value, everything works fine. I found that if I delete the list select the same works of path expression well. example:
  
  SELECT PATH (1), xdb.xdb e.xmldata.dispname $ e resource
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  !!!! Ora error - 01405
  
  SELECT PATH (1), xdb.xdb e.xmldata.dispname $ e resource
  WHERE UNDER_PATH (VALUE, '/pathxxxx', 1) = 1
  
  !!!! Ok.
  
  SELECT e.xmldata.dispname IN the xdb.xdb$ e resource
  WHERE UNDER_PATH (VALUE, funcionRetornaUnPath, 1) = 1
  
  !!! Ok.
  
  Thank´s
  
  Edited by: 900197 on dic/01/2011 11:34

  Hello

  First of all, you should not use XDB$ RESOURCE directly but RESOURCE_VIEW or PATH_VIEW instead.

  This does not completely solve the problem, but there is no mistake if we declare the function DETERMINISTIC.
  However, the PATH function returns NULL:

  SQL> create or replace function fnc_test return varchar2
    2  deterministic
    3  is
    4  begin
    5   return '/public';
    6  end;
    7  /
  
  Function created
  
  SQL> select path(1), v.any_path
    2  from resource_view v
    3  where under_path(v.res, fnc_test(), 1) = 1
    4  ;
  
  PATH(1)               ANY_PATH
  --------------------- -----------------------------
                        /public/dump
   
  

  Could you post again in the {forum: id = 34} forum?

  Thank you.