trouble with inner for loop in my procedure values

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• For loop tunnel exit "Last value" output of default values

  Salvation OR community,

  Today, I came across a probem of LabVIEW stange. A tunnel of release of "Last value" to a for loop back the default values instead of the last real value. The code is below:

  

  Below as screenshots of probes 44 and 45.

  

  

  When the probe 44 contains al the data (all the planks are present (and the correct "Testrack Module" is used)) probe 45 is empty.

  I already tried to remove the complete thread and it rewire. The result was the same.

  However, I also tried to use registers with shift instead of the tunnels and the code works now (see below for the code).

  

  The used version of Labview is 2013 SP1.

  I hope you can help,

  Tim

  Edit: If the images are too small, you can drag it to a new tab, and they become the original size.

  Tim,

  My first assumption: the because the loop never executes as you pass an empty array to an entry of automatic indexation.

  Another option, which is difficult to see in the screenshot: are there two entries of tunnels over the probe nr 42?

  Norbert

• slider with a for loop

  Hi all
  
  I have a simple slider in my pl/sql procedure. I use the method for the slider of the loop and retrieve the values below.
  
  
  DECLARE
  
  VAR_A VARCHAR2 (100);
  
  CURSOR C1 IS
  SELECT DEPT_NAME, DEPT_NO OF THE DEPARTMENT;
  BEGIN
  
  FOR I IN C1
  LOOP
  VAR_A: = I.DEPT_NAME;
  END LOOP;
  
  -etc etc.
  -etc etc.
  
  EXCEPTION
  WHILE OTHERS THEN
  DBMS_OUTPUT. Put_line ('hello');
  
  END
  
  This workfine but if the DEPT table does not all records in it, it goes directly to the management of exceptions, and if there are all the other instructions after the FOR LOOP, they will not be executed. I know there is a method to use the cursor (instruction FETCH) more, but I want to know what is wrong by using the FOR LOOP.
  
  The strange thing about this example is, even if I catch the exception, the program stops and if the DEPT table has no recording errors.
  
  Any suggestions or tips are greatly appreciated.

  the program stops and if the DEPT table has no recording errors.

  This seems a little suspicious. Probably another error product which is now hidden simply because of your manager WHEN of OTHER of exceptions, that didn't come out the real error message.

  I recommend getting rid of the exception handler together and after the release of the thrown exception.

• Capture of sequences of images - issues with nested for loops

  Hi all

  I've written a vi. to capture a number of images ("Image") and save these images, sent to a folder of my choice.  Each image is identified sequentially.  However, I would like to make a number of iterations ("run") of this capture sequence, such that each image file name would be "Filename (Run) _(Image_No).png", for example run 5, image 10 'Filename 5_10.png.  I tried a nested for loop for this but I have an error message 'Current asynchronous i/o Operation' (I have attached a printscreen).

  Can someone help me solve this problem?  Please find attached my vi.

  Sincere greetings and thanks,

  Miika

  Hi toto26,.

  Thank you for your response.  I solved the problem by using a sequence structure flat - file in the first image and all the treatment in the second.

  Kind regards

  Miika

• Operation on line on table with a For loop

  Hello

  I work with a wide range of dimensions column one. I'm doing the following

  for i = 1:size (A) / 2

  B (i, :) = A (1 + (i-1) * 2:i * 2))

  So, for example if

  A =.

  0

  1

  2
  3
  4
  5
  6
  7

  then

  B =

  0 1

  2 3
  4 5
  6 7

  My approach was to use a subset of the table inside the loop for to select several items, but I don't know how to transpose the selected items in a new line to create the table (B) is there a simpler approach?

  Thank you

  Mike

  try experimenting with the table to reshape feeding your table entry and re-sizing for a 2d aray of output. It is much faster to use a loop For, because the data is never moved and LV just changes the dimensions of the matrix and updates the stride.

  Ben

• for loop in a procedure stored

  I have Windows XP with 10g 10.2.0.1.0
  I got errors that I executed the following codes. Can I use select in exception inside the loop, if not, I have another other way to solve the problem? Help, please.
  
  LINE/COL ERROR
  -------- -----------------------------------------------------------------
  249/3 PLS-00103: encountered the symbol "EXCEPTION" when expected
  of the following:
  begin case declare end exit for goto if loop mod null pragma
  raise return select update while < ID >
  < between double quote delimited identifiers of > < a variable binding > < <
  Close current delete fetch locking insert open rollback
  SAVEPOINT SQLExecute set pipe fusion commit forall
  
  247/17 PLS-00403: expression "V_COUNT" cannot be used as a target-INTO
  a SELECT/FETCH statement
  
  
  
  v_count NUMBER (1): = 0;
  for v_count in 1.cols.count)
  loop
  SELECT 1 IN v_count FROM USER_TAB_COLUMNS WHERE table_name = nom_table_p
  AND column_name = cols (v_count);
  EXCEPTION
  WHEN NO_DATA_FOUND THEN
  raise_application_error (-20001, passes (v_count) |) 'does not exist');
  while others then
  raise_application_error (-20011, sqlerrm);
  end loop;

  Hello

  Of course, you can have an EXPECTION article inside a loop. Ensure that correspondents starements BEGIN and END are inside the loop, too, like this:

  ...     v_count NUMBER(1) := 0;
  BEGIN
       FOR  v_count IN 1..cols.count()
       LOOP
            BEGIN
                 SELECT  1
                 INTO      v_count
                 FROM      USER_TAB_COLUMNS
                 WHERE      table_name      = p_table_name
                 AND     column_name       = cols (v_count);
  
                 ...
            EXCEPTION
                 WHEN NO_DATA_FOUND THEN
                         RAISE_APPLICATION_ERROR ( -20001
                                     , cols (v_count) || ' does not exist'
                                     );
                 WHEN OTHERS THEN
                         RAISE_APPLICATION_ERROR ( -20011
                                     , SQLERRM
                                     );
            END;
       end loop;
  END;
  

  This is one of the many situations in which withdrawal correctly your code can avoid mistakes.
  Notice how it is easy, given the statements BEGIN, EXCEPTION, END or LOOP, to see where the corresponding END, EXCEPTION, BEGIN or LOOP statement is and what the scope of this block.

  Do you really need (or even want) to trigger the error-20011? Why not raise the original instead error? Why do something with these errors: why not let the default Oracle error handling to catch them?

  On the other hand, tyou have two separate variables, called v_count.
  That reported on the first line above (before the BEGIN statement) is not used anywhere.
  It is set in the HEART... Declaration of the LOOP and is used inside this loop, including the EXCEPTION section withion that loop.

  Do you really need to do a select... INTO in the loop? If possible, it would be less evil and more effective, for the results of the SELECTION... AT the same time, you get the other data.

  Published by: Frank Kulash, August 10, 2010 13:35
  Deleting duplicate EXCEPTION statement.

• Activation of channels with a for loop

  So basically, I try to select each one of my channels in the order and a complete set of tasks on each.  I want to be able to specify which channels are ACTED, so I already have a picture of my selected channels, but when I try to run the loop, it is said that "activeChannels =" needs a picture.

  I know that my table of channelNumber is good, but I can't figure out how to make this loop to work.

  Here's my loop for:

  for (var i = 0; i < channelNumber.length; i ++) {}

  doc.activeChannels = channelNumber [i];

  do stuff

  }

  I actually just thought of it.  When I declared my channelNumber variable I just declare "channelNumber = new Array (doc.activeChannels)" instead of "= doc.activeChannels channelNumber" and it worked fine.  Seems silly not to accept a single channel.

• G6-1c74ca: re installed windows now in trouble with drivers for pci devices and network control

  Hi I cannot locate the drivers I need to download for my laptop. I have recently reinstalled windows and it can not find the dirvers for my network control devices and pci. The model number is g6-1c74ca and the product number is A3J86UA #ABC.

  Yes on the page that I linked above you need Realtek LAN and LAN Realtek wireless network and also Intel Management Engine Interface under Chipset.

  If it's "the Answer" Please click "Acceot as Solution" to help others find it.

• Problems with nested for loops - save images from a camera

  
  

  Dear Norbert_B,

  Thank you for your response.  I solved the problem by using a sequence structure flat - file in the first image and all the treatment in the second! Easy as pi!

  Kind regards

  Miika

• For loop Query - by assigning values to Variables

  I have the following code slot in my flash file...
  
  Q2A random + (10) = 1;
  Q2B random + (10) = 1;
  years2 = q2a + q2b;
  
  I have 18 thing similar to this in my file, where it basically... increments q3a etc. Y at - it a simple way of creating a loop that will iterate through all of them? I could not the syntax just when I tried it myself.

  :

• CURSOR for loops or an associative array

  I just want to know the advantages and disadvantages of the CURSOR for loops. As a general rule, what guys do you prefer: associative array with CURSOR for loops?
  
  
  If you use the CURSOR for loop, is it not difficult to debug?
  
  PL/SQL Developer, I do not see what values are stored in the CURSOR for loop (in SP master_proc below) as
  There are no variables to watch. Not sure if the TOAD can show these values
  
  If I had used an associative array (master_proc2 below), I can see the values stored in the table by clicking on "show Collection"variable in PL/SQL developer.
  
  
  
  
  

  create table emp2 as select * from emp;
  
  
  create or replace procedure my_proc(p_empno in number)
  as
  begin
  update emp2 set sal=sal+100 where empno=p_empno;
  end;
  /
  
  --Using CURSOR FOR loop
  
  create or replace procedure master_proc
  as
  begin
       for rec in (select empno from emp2 where empno>7700)
       loop
            my_proc (rec.empno);
       end loop;
  end;
  /
  
  -- Using Associative arrays
  create or replace procedure master_proc2
  as
  type v_empno_type is table of number index by pls_integer;
  v_empno v_empno_type;
  
  begin
  select empno bulk collect into v_empno from emp2 where empno>7700;
  
  for i in 1..v_empno.count
   loop
      my_proc (v_empno(i));
   end loop;
  end;
  /

  VitaminD wrote:
  Thank you Tubby. If you are faced with a situation where you MUST use a loop. Then you would go to associative arrays rather than CURSOR FOR loops. Right?

  Doesn't happen too often, but if/when then I would do as I said in my first post. Use the transformation, the collection table in BULK and FORALLs.

  If we use your example posted, I would NOT spend a single table (in a loop mode) value I would be transmitted in the OVERALL picture and treat it with FORALL.

  So, I would still use neither of the approaches that you mentioned.

• Parallel for loop 2D table

  Hello

  I don't have any experience with parallel for loops, so I need your help.

  Goal: To do a calculation (average, average) on the rows (or columns) table 2D as quickly as possible. The calculations are independent of each other and I would get a table 1 d with the results.

  I read a few posts on parallel for loops and I would like to find an example for my trivial problem, but I can't.

  Could you help me, it is possible is improve it the effectiveness of the calculation on lines with parallelism in LabVIEW? and it is, could you post an example how to do?

  Thank you

  If the speed issues, do not write your own "average." First of all, it already is in the range of statistics, but then you must be inline your average VI or do the calculation explicitly (as shown below). the size of the array never changes for the duration of the loop, it seems redundant to get the size of the array on each iteration.

  Here's what you could do.

  

  On my bench, it's much faster than the use of 'mean.vi' of the palette. Average a overhead, Subvi (1) (2) needs to get N with each call and (3) is also an unnecessary error checking.

  (Sorry, I have 32 processors, so the number of instances is set a little high. Modify if needed).

• How to call a script with an officer designated in a loop of a procedure asynchronously and then wait for the children at the end.

  I tried to call a script in a loop of a procedure of Jython, using startcmd.bat and sub-process; the command succeeds when I omit the "-AGENT_CODE = MySA_Agent1 ' parameter (highlighted and emboldened)

  But omitting the '-AGENT_CODE = MySA_Agent1 "the scenario starts with the default value (no Agent) and subsequently fails to find the w: drive. Wen, I understand the '-AGENT_CODE = MySA_Agent1 ' the command fails with return code 2.

  Also, it seems that the OdiWaitForChildSession will not work with this approach, because the sessions so are not recognized as child sessions at all.

  Another simpler process is to have a step for each folder that I want to ask and just use OdiTools and StartScen; but it's a huge process because it could have potentially many interrogation records.

  Please Guide:

  from __future__ import with_statement

  from com.ziclix.python.sql import zxJDBC

  import of subprocesses

  #GetSources.py

  def getdata (c, stmt):

  Try:

  c.Execute (stmt)

  except zxJDBC.Error, e:

  raise Exception (e, stmt)

  Another thing:

  return c.fetchall)

  driver, url, user, passwd = ("< % = odiRef.getInfo ("SRC_JAVA_DRIVER") % > ',")

  '< % = odiRef.getInfo ("SRC_JAVA_URL") % >',

  '< % = odiRef.getInfo ("SRC_USER_NAME") % >',

  '< % = odiRef.getInfo ("SRC_PASS") % >'

  )

  Try:

  subprocess.check_call ([' cmd',

  '/c',

  "dir" command

  « t: »

  ])

  except subprocess. CalledProcessError, e:

  raise the Exception (e, ' Mapping The for the t: drive has not completed in the previous step. aborting... ")

  Another thing:

  folddic = {}

  with zxJDBC.connect (url, user, passwd, pilot) as conn:

  with conn.cursor () heart:

  stmt = "SELECT SOURCE_SYSTEM, ABS (DIC - ROWNUM) FROM (SELECT SOURCE_SYSTEM, COUNT (1) DIC FROM DIR_USER.). (RÉPERTOIRES WHERE ACTIF = \ 'Y\' GROUP BY SOURCE_SYSTEM) ".

  for the NTC in getdata (cur, stmt):

  folddic [Str(CNT[1]) [:-2]] = cnt [0]

  because me in folddic.iterkeys ():

  Try:

  subprocess.check_call ([' cmd',

  '/c',

  "startcmd.bat,"

  "OdiStartScen,"

  '- SCEN_NAME IS POLL_T_DRIVE_AND_SUBDIRS',

  '-SCEN_VERSION = - 1',

  '-SESSION_NAME = Polling_' + str (folddic.get (i)).

  '-AGENT_CODE = MySA_Agent1',
  

  '- SYNC_MODE = 2',

  '-Interfaces.VarSubDirectory =' + str (folddic.get (i)).

  '- Interfaces.VarPollInterval = 5'.

  '- Interfaces.VarTimeout = 4'.

  '- Interfaces.VarWait_N_Minutes = 30000 ".

  ])

  except Exception, e:

  raise the Exception (e)

  Another thing:

  Print "Called".

  Hello

  After much deliberation with the approach Prrocedure to do that are installed with the package, has been described in https://blogs.oracle.com/dataintegration/entry/using_variables_in_odi_creatin.

  It takes away that the question of the child scenario waiting problem sessions will be managed ODI.

  It was a good learning experience anyway.

  Thank you for contributing A J Chantal Mangano

  and JeromeFr for your taste.

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• How I continuously loop frames with pause for 20 seconds in each image of the scene even without going to the next scene?

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