How to understand the reference trigger as a trigger to stop?

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• How to get the reference or the property of a member in OOP node?

  Hello world

  Is it possible to get the referral of a member in OOP?

  After you have created a class and an insert, a member of control in the cluster, I conclude that, when a right click on it, there is no element of "creat-> reference" or "create-> property node?

  So, how to get the reference or the property of a member in OOP node?

  Hello

  There are a few reasons that you can't do what you want to do:

  1 al ' LVOOP ordinary (as opposed to the DVRS in LabVIEW 2009, or some other framework / pattern design) are items of LabVIEW by value, as a cluster and therefore you can not create a reference to a class.

  2. a control of the object (this is what you get when you drop an object on a façade) is a 'black box' because you cannot look inside. This is to support the idea that the class data private. This means that you can't get a reference to all internal control when its on a façade

  3. check the references are valid only for the controls in the Panel before and therefore any class (or other piece of data of LabVIEW) on a wire / shift register / constant / anywhere other that of the façade, will have only the data portion of the available control.

  To access the items within a class, you create the accessor screws (you can create them easily by right-clicking a class (or the folder within the class) in the project tree and selecting New-> VI to access data members.) This VI would at least have a unbundle / bundle node (depending on whether its read/write) and could, if you have many more features such as range checking. You can use this VI whenever you want to read the Member your interested.

  I hope this helps.

  Shaun

• How to understand the implementation of the plan in oracle I mean if I see two implementation plans for a single sql_id plans 2 How to determine the best execution plan? Links and answers are much appreciated. Thank you

  How to understand the implementation of the plan in oracle I mean if I see two implementation plans for a single sql_id plans 2 How to determine the best execution plan? Links and answers are much appreciated. Thank you

  How to understand the implementation of the plan in oracle I mean if I see two implementation plans for a single sql_id plans 2 How to determine the best execution plan? Links and answers are much appreciated. Thank you

  After two execution plans that have the same sql_id, so we can see what you're talking about.

  See "Oracle Explain Explain Plan optimizer" by Maria Colgan of the Oracle optimizer group

  http://www.Oracle.com/technetwork/database/bi-Datawarehousing/TWP-explain-the-explain-plan-052011-393674.PDF

  Examine the various aspects of a selectivity to parallel execution plan

  performance and understand what information you should be brilliant

  the plan can be overwhelming even for the most experienced DBA. This document

  offers a detailed explanation on each of the aspects of the execution plan and a

  Overview of what caused the CBO to make the decision, he did.

• Can someone help me how to understand the syntax of a calculation in a form Acrobat?

  For the first time I have created a PDF form for the child summer camp brochure. After countless hours I was able to figure out how to make some simple calculations (number of sessions of camp price subtotal = x). But I can't understand how to create a script that will take partial total revenue and generate a number which corresponds to 10% of the subtotal. All I want to do is have a separate field (reduction), which can reference the subtotal, and if it's over $ 170.00, calculates and displays a number which corresponds to 10% of this amount. From there, I can understand how to subtract 10% of the subtotal, but I can't understand the syntax for the calculation of the 10%. Also I don't know if that should be entered in the Notation of Simple box field or calculation Script custom area to calculate in the text field properties box. Any help would be greatly appreciated!

  You must use JavaScript. It would be something like:

  Personalized to discount field calculation script

  (function () {}

  Get the subtotal value, as a number

  var = subtotal + getField("Subtotal").value;

  Set the value of this field

  If it is greater than 170, calculate 10%, otherwise it is zero

  Event.Value = subtotal > 170? 1 * subtotal: 0;

  })();

  This last line is equivalent to:

  If {(subtotal > 170)

  Event.Value =.1 * subtotal;

  } else {}

  Event.Value = 0;

  }

  It's just more compact.

  Replace "Subtotal" in the line of getField above with the actual name of the subtotal field. Also, set all the fields calculated read-only. And make sure the field calculation order is correct.

• How to get the reference clock 10 MHz off PCI-5922

  Hello

  I'm evaluating PCI-5922 for the my request.

  In my application, PCI-5922 will get agilent signal 33250 function generator and the two instruments will be triggered at the same time with the same trigger signal.

  Is it possible to get out of the clock reference (10 MHz) off PCI-5922? If possible, the synchronization may be easier.

  I expect to get answers of experts!

  Zeehoon

  Hi Zeehoon,

  Before send you the unit for repair, please try one more thing.  The reference clock will be released not in fact until the task or acquisition is started or has committed at least.  Try to add a NO-SCOPE function commit after the property node where you set the reference clock output.

  Jennifer O.

• HOW TO GET THE REFERENCE OF THE INDICATOR TYPE DEF CLUSTRE

  Have 2 quastions:

  1. do you have a def boolian indicators culster type.

  How to extract individual references, so I can pass for sub vi.

  2. given that the bollian indicators lock its value.

  I can do a boolian indicators table that will keep its value pool passes for sub vi.

  Thank you.

  Why do you want a single reference to a Subvi? Pass reference of cluster.

  

  Indicators to keep the value which has been attributed to them. What do you mean by indicators don't snap not its value.

• Measurement of Phase difference of audio - learning how to set the reference

  I'm trying to measure the difference in phase between two audio inputs. (Left and right channel of my sound card)

  Both are free running 1 kHz audio samples that come in and out of phase.

  When the samples are in phase, everything seems to work fine and shows no phase difference.

  However once that signals start to emerge from the +-10deg phase the result keeps jumping around.

  It seems to be the fact that it is changing the reference to determine the phase.

  When I view the phase of the output of a channel is a sawtooth waveform, from 250deg and then wraps round to-110deg

  What I want, it's an entry set to 0 degrees and see the other inputs of difference of phase against it.

  Is there a way to give a signal as being the reference or another strategy?

  Thanks in advance for any help.

  PLEASE NOTE THAT THE acquire.jpg IS ACTUALLY THE VI.

  It wouldn't download like the vi. Please rename extension to acquire.vi to see.

  Finally managed to find the problem.

  Red rooster, I tried to replace your entries simulated with audio inputs card his real world and things turned out horribly.

  It doesn't seem to be a translation between the two. (Perhaps because of my understanding of Labview garbage)

  LabVIEW uses the internal reference of the DAQ cards in order to make phase measures.

  That's what all use the phase VI of measure and which lack of cards not NI - DAQ.

  That's what I thought that missed me first place but there's no way I can see simulations your own.

  To work around the problem, I used zero crossing detectors in order to compare the time ahead or lagging behind the benchmark for the calculation of phase.

  I got the core of the detector from somewhere on the forum but have lost the actual page. (my apologies to the author who deserves the credit)

  Anyway, hope this hepls someone.

• How to understand the context of the sequence of time real labview

  Does anyone know how Labview RT to understand the context of teststand sequence? My sequence context is defined as "TS. SequenceContext' like the screenshot in attachment.

  If we point a VI for that sequence context then who use VI of teststand? and must add this VI to the Explorer of Projectr of Labview RT system to build the project?

  I use 2009 Labview and teststand 4.2.1.

  Thank you very much

  LabVIEW RT does not support the ActiveX required for TestStand.

• How to understand the time VI?

  Hello

  I use LV 8.6, and I'm curious to know how to understand statistics 'VI time' under the 'profile Performance and memory window.

  I let one of my screws "continuous run" for about 5 seconds, but in the profile window, time of VI out 1.17 seconds, while the SubVIs time is 0. If I understand well of the Help window, 'VI time' represents the time spent executing the code of the VI, what happens for the other 4 seconds? It is confusing to me because I did similar tests on other screws (with no subVIs), and it seems the faster of the VI, more time to VI is.

  Thank you very much.

  The time you see reported is the total of all the slices of the CPU used by the code.

  If the VI took 1 msec to start upward, then did a waiting for 1 second and then outputs, you should expect the total duration of about 1-5 ms alothough the run time in total was much more than that.

  Ben

• VirtualMachine.PowerOnVM_Task how to get the reference to the returned managed object - task

  Hello

  I try to use the VirtualMachine.PowerOnVM_Task that returns a reference to the managed object - task as ManagedObject reference. (The VirtualMachine is the result of the GET's view)

  I use it in VB:

  Var refTask As Vim.ManagedObjectReference = Vim_VirtualMachine.PowerOnVM_Task (Vim_VirtualMachine.Runtime.Host)

  I can get the reftask like ManagementObjectReference, but here I don't know how to convert the managed - object task. I like to use all the properties and methods of this object.

  Looking at my result of the refTask I can't find many properties...

  Is it possible to retrieve an object just to get the reference to the taskobject somhow.

  Concerning

  Manfred

  Hello

  You can get Moref managed object is either using the cmdlet Get-View or in VB, using the VimClient.GetView method, that is to say:

  Get-View -Id refTask
  

  or

   Dim task As Vim.Task = Vim_VirtualMachine.Client.GetView(refTask)
  

  Note that each MO is the customer's property which is of type VimClient.

  Kind regards

  Yasen

• How to get the reference to a VI, including the tool menu is activated

  I created a menu to a tool customized by using this knowledge base article. Now, I want to get the reference of VI, hence this menu is available/enabled.

  See if that helps at all (see first comment): https://decibel.ni.com/content/docs/DOC-5957

• How to understand the format of hyperic shell command line?

  I logged on the hyperic shell and I just wanted to check on the orders and their
  output.  Im having trouble understanding the syntax I do a list alert and get:
  
  alert list
  org.hyperic.util.shell.ShellCommandExecException: error getting alerts
  In undeclared throwable was: java.lang.ClassNotFoundException: org.hibernate
  .collection. PersistentBag (no security manager: RMI class loader disabled)
  
  When I use the "list alertdef" command it comes back with: ""
  list of alertdef <-group | -plate-forme | -Server | -service > < resource > [-activated |-disabled]
  
  Replace - platform with linux - say? or a particular computer Devils name
  what they are referring to with resource? is the agent HQ a resource?
  
  What is necessary and what is not. . Cant seen to get anything to work.
  An example of this command is all I need.

  You will see many orders with a syntax similar to the alertdef list.  You
  do not replace the '-' keywords with anything, it has the 
  that you would replace it.  The can be the ID of the
  resource (if you know it) or the name (use quotes if there is)
  (spaces).  For example, I can do:

  alertdef list - server 10001

  or

  list of alertdef - HQ Agent server 'hq.hyperic.com '.

  In addition, as shown in my example, the central administration Agent is indeed a resource.
  It is a server.

  Charles

• How to find the references to the ActiveX control

  Is it possible to determine where an activex control is used in a labview project?  I have a moderately important project who have used a combination of ad-hoc XML parsers, including the parser XML ActiveX for Microsoft (MSXML).  I am trying to replace all occurrences of MSXML with of builtin labview VI XML or our own DLL calls that make more complicated sequences of calls to XML-Xerces/Xalan libraries.  I want to assure you that I replaced all references to the MSXML parser without having to inspect all the VI in the project.  I was hoping that I could right-click on a function block "Automation Open" and select the option "Find all Instances", but apparently it is not available because it is for a VI I created.  In addition, I was hoping that if I went to the Project Explorer, it would show that the msxml.dll file was listed as a dependency where I could do a 'find Caller' as a regular dll referenced via a "call library function node".  Does anyone have a suggestion on how I can automate this search?

  Thank you.

  'Find all Instances' is only available for the screws that you create, but you can always find the function of automation opening in your project. Just open your project and open a VI. Then select Edit-> find and replace. In this dialog box, you can search for specific functions throughout the project.

• How to create the update trigger

  Hi all
  
  I want to create the trigger
  After the update of the
  
  How can I create
  
  I want to update my custom table "xx-per_all_vacancies.
  
  This trigger should be executed when
  table of hr_api_transaction update

  Hello

  It will not work

  >
  Select transaction_id INTO update_trans_id from hr_api_transactions where: NEW. LAST_UPDATE_DATE DISLIKES: NEW. CREATION_DATE;
  xx_GL_Vacancies.update_transaction (update_trans_id);

  >

  Implement

     select transaction_id INTO update_trans_id from hr_api_transactions where LAST_UPDATE_DATE NOT LIKE :NEW.CREATION_DATE;
     xx_GL_Vacancies.update_transaction(update_trans_id);
  

  This might give you an error of mutation.

  see you soon

  VT

• How to add the reference key after you have created a table?

  Hello
  I have two tables:
  
  create table (t1)
  a key primary number.
  b the number);
  
  create table t2)
  c number,
  d number);
  
  
  Now, after you have created these two tables I want to alter table t2 by making the column 'c', referring to the table t1. How to do this?

  ALTER TABLE t2 add CONSTRAINT PK_C PRIMARY KEY (c);
  ALTER TABLE T2 ADD CONSTRAINT FK_C FOREIGN KEY REFERENCES (C) T1 (A);