unexpected empty cells in the worksheet after writing file

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• Enter data into the empty cell inserts the invalid main character

  When I enter data in an empty cell, for example 1 in a column, and then click validation I get the error ORA-01722: invalid number. Although I do not see the character in front of the 1 I use RIGHT twice after reaching HOME in this cell to get the cursor to the right of the 1, if a character appeared in front of the 1. Hit the BACKSPACE deletes the invisible character, and now I can commit the data entered.
  
  The same thing seems to happen when you remove a date using backspace in a date column. The use of return back once led to an error "ORA-01858: a non-digit character was found here where was waiting for a digital". I have to use the BACKSPACE again to get the empty cell.
  And the same thing happens in a varchar column too, although sometimes when he gets that space seems to be inserted in front of the text I entered, but this space is visible only when the cursor is not in the cell.
  
  What causes this? Bug in the developer SQL, SQL Developer settings, settings of the keyboard, something else?
  
  (Oracle SQL developer 3.1.0.7 64bits)

  This is a bug and has been fixed for the next version.

  Brian Jeffries
  SQL development team

• Problem reading the worksheet after you use a DLL to write on the worksheet

  Hello

  I have a few problems reading a sheet DLL created in LabVIEW. The DLL is written in C++.

  I'll dexcribe what do the VI in the screenshots:

  For DLL_INIT = the first false steps the VI (LabVIEW) values and exports in a DLL initialization.
  DLL takes these values and not some und calculation, then wrote the measured values and the new calculated values in a csv file called 'filtered_values' and a file 'filtered_values_complete '.
  so, I have two files like this after initialization:

  1.0000000000; 1.0000000000; 18.8991610737; -3.2940000000; 0.0060000000; 0.9000000000; 6.5806287097; -3.2940000000; 1.0000000000; 0.0000000000; 1.0000000000; 0.0000000000;

  So now on DLL_INIT = true.
  For the calculation, the next step i read the "filtered_values" - file (LabVIEW), calculate the new values and write in filtered_values (DLL)
  And in the "filtered_values_complete" - file I will allways read the DLL entry first, so that I can check later, if the DLL has obtained the values to the right of the front step and then add the calculated values.

  For i > 0 initialization has been made:
  -the VI bed sheet "filtered_values" calculation and rotted the table 1 d in its unique values
  -The last seven values in the worksheet have been exported in the dll as well as five new measured values.
  -This DLL is still a few calculation
  - then it replaces the "filtered_values" - file and adds a new line to the 'filtered_values_complete '.

  This migth be a bit of confusion, so a small example, afer five steps it loooks like this:

  filtered_values:
  5.0625000000; 1.0000000000; 18.9300200447; -3.2870000000; 9.7320000000; 0.8997597592; 5.9159054233; -2.6533532901; 1.0000000400; 0.0000000000; 0.8078703403; 0.0000000000;

  filtered_values_complete:
  1.0000000000; 1.0000000000; 18.8991610737; -3.2940000000; 0.0060000000; 0.9000000000; 6.5806287097; -3.2940000000; 1.0000000000; 0.0000000000; 1.0000000000; 0.0000000000;
   
  2.0625000000; 1.0000000000; 18.8330081064; -3.2940000000; 9.7270000000; 0.9000000000; 6.5806287097; -3.2940000000; 1.0000000000; 0.0000000000; 1.0000000000; 0.0000000000;
  2.0625000000; 1.0000000000; 18.8330081064; -3.2940000000; 9.7270000000; 0.8999399568; 6.4077416273; -3.1451829134; 1.0000000100; 0.0000000000; 0.9480589053; 0.0000000000;
   
  3.0625000000; 1.0000000000; 18.7932988441; -3.2870000000; 9.7280000000; 0.8999399568; 6.4077416273; -3.1451829134; 1.0000000100; 0.0000000000; 0.9480589053; 0.0000000000;
  3.0625000000; 1.0000000000; 18.7932988441; -3.2870000000; 9.7280000000; 0.8998799074; 6.2394046705; -2.9768465052; 1.0000000200; 0.0000000000; 0.8988158138; 0.0000000000;
   
  4.0625000000; 1.0000000000; 19.0445703499; -3.2870000000; 9.7320000000; 0.8998799074; 6.2394046705; -2.9768465052; 1.0000000200; 0.0000000000; 0.8988158138; 0.0000000000;
  4.0625000000; 1.0000000000; 19.0445703499; -3.2870000000; 9.7320000000; 0.8998198333; 6.0754981785; -2.8129479844; 1.0000000300; 0.0000000000; 0.8521305805; 0.0000000000;

  5.0625000000; 1.0000000000; 18.9300200447; -3.2870000000; 9.7320000000; 0.8998198333; 6.0754981785; -2.8129479844; 1.0000000300; 0.0000000000; 0.8521305805; 0.0000000000;
  5.0625000000; 1.0000000000; 18.9300200447; -3.2870000000; 9.7320000000; 0.8997597592; 5.9159054233; -2.6533532901; 1.0000000400; 0.0000000000; 0.8078703403; 0.0000000000;

  So it's good enough that the VI and it works fine until some point when the just VI reads more calculation and x = sheet! There? becomes true.

  Most of the time it happens when the csv file is about 1200 lines

  Someone knows why this happens?

  Best regards

  Stefan

  Hello

  understood, that the error occurs somewhere completely else. the thread may be closed

  BR

  Stefan

• Write in separate cells on the worksheet

  Hi people.

  I write in the attached VI time and amplitude of the signal to a worksheet. The problem is that they are in the same cell. I used a tab delimiter, but that will not separate them. The lines are fine but I two colomns time and amplitude. As you can see below, they are in the same cell. How can you separate them?

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

  0.000000 0.068000

  0.068000 0,002000

  0.072000 0,004000

  0.068000 0,006000

  0.068000 0,008000

  Thank you

  Select this option.

  I think that works, maybe it's just how you open the file. If you open in Excel, because it includes a CSV extension, it will be considered as having the comma separators and so you can see everything in a single cell. If you give him a TXT extension and then open that in Excel, it will treat it as tab delimited and opens properly.

• Look for an empty cell in the report

  I have a report that displays true or false in the rows for a number of car models which are the columns.

  I have the case statement below the installer in the section formula column in one of my columns.  It sort of works, but if "FT_AUTOS". "' productionEnded ' is nothing (i.e. no returns nothing, not even NULL), then it will just show a blank cell.  Is it possible to include "empty" so that it also presents itself as being incomplete?

  case

  What SUM (case when "FT_AUTOS".) "productionEnded" (IS NOT NULL then 1 else 0 end) > 0 "

  then ' < div title = "True" style = "background: #00ff00;" "text-align: Center" > ' | "Real ' | ' < / div >"

  else ' < div title = "False" style = "background: #ff0000;" "text-align: Center" > ' | "False' |' < / div >"

  end

  Thank you

  length ("FT_AUTOS". "productionEnded") "

  you could talk about NULL or "or ' ' etc.

  forget your report for a while and it just pull this column with top expression and then run it, sort asc

  Then look at the values and then sort DESC

• DASYlab crashing with the beginning of the worksheet after change of RS - 232

  After a change in my RS-232 output of the modules to the correct COM port (I use two) dasylab crashes instantly. I use a serial port to control a stepper motor and the other to interrogate a dynamometer. I can not for life, to understand why its plant, or that there is no reason for it crashing. I use the ttl generators to trigger actions who then spend my terminal commands (stored in global chains) series of my series devices. My ttl generators are runner reasonable enough cycles, so I don't think it's a memory dump. Help!

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• BI Oracle 10g. To replace an empty cells in the pivot on 0 (zeros)

  Hello.
  
  I want to display in my reports instead of "empty values' zeros. The fact table to build relationships is very sparse.
  
  I tried to make this CASE, IFNULL, but not beyond. There is a trivial solution to this problem?
  
  Thank you.

  Hi Zhura,
  Try this link, it may help you.
  http://total-bi.com/2010/10/replace-nulls-in-OBIEE-pivot-table/

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• Automatically deleted from the storage of the DSO after data files using the command cp ASMCMD... why?

  I installed Oracle database on Linux 6.6, Virtualbox 11.2.0.1.0.

  I used ASM for database storage.

  When I want to perform a backup in offline mode. I stop the database data files and copy to the filesystem as follows (for example).

  ASMCMD [+] > cp +DATA/ora11g/datafile/system.270.883592533/u01/app/oracle

  The files copied with success and also any other data files, logs and controlfiles files. Then, I also rename all the files in editing mode.

  After that, I used the backup files to start the oracle of backup (storage non - ASM with new pfile edited)

  Open successfully from a backup database.

  But when I want to use old spfile to open the database for the storage of the DSO again, a few errors have occurred as no data files in ASM storage.

  I check the contents of the ASM storage with ASMCMD commands. And realize that there only spfile and controlfile located ASM storage and other files: data files and online redo logfiles automatically deleted.

  Why the data files and log files deleted ASM storage? Is this normal? I have no delete all files of the DSO.

  It is actually deleted from the use of the cp command?

  Exactly what we say.  Data in ASM files are OMF (Oracle managed files).  The RENAME translates the DSO by deleting the original file.

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  I am interested in the use of spreadsheet write to a file to save data on my drive.  What is the best way to include this VI and tell him to create the folders if they do not already exist.

  For example:

  

  Using this example, if no 'Data' folder located on my desktop, how can I LabVIEW create the folders 'Data' and 'Test1' needed to create a Test1.csv to the specified location?

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• POI cellIterator ignores empty cells.  How to catch?

  For the experienced:
  
  I have never dealt with Microsoft Excel files using java and have just started using the POI library to read data from Excel files. In the .xls file I get, there are cells that are found to be empty, although they aren't supposed to. So I have to catch these empty cells and treat them accordingly.
  
  To learn how to catch these empty cells, I created a spreadsheet of Excel a line test and wrote the following class to try to catch empty cells.
  
  The one line in the sheet has 5 columns as shown below. I entered < tt > ' 0934 < /tt > in column D with an apostrophe leader to make sure that it is stored as text.
  

  A     B        C      D     E
  ----  -------  -----  ----  ---------
  John  (BLANK)  123.4  0923  4/21/2011

  And here is the test class to examine these cells. Sorry that it is quick and dirty for the test and I don't use a try/catch and I simply leave the date column be printed as a number:

  public class ExcelTest {
      public static void main(String[] args) throws IOException {
          // The one-row test file:
          String inputFilename = "c:\\test_data\\test_sheet.xls";
          FileInputStream fis = new FileInputStream(inputFilename);
  
          HSSFWorkbook workbook = new HSSFWorkbook(fis);
          HSSFSheet worksheet = workbook.getSheetAt(0);
  
          // Get the one row
          HSSFRow theRow = worksheet.getRow(0);
          // and create an iterator
          Iterator cells = theRow.cellIterator();
  
          int columnNo = 0;
          
          // Go through the cells in the row:
          while (cells.hasNext()) {
              // Get the next cell:
              HSSFCell cell = (HSSFCell)cells.next();
              
              int cellType = cell.getCellType();
              String cellTypeDesc = null;
              String cellValue = null;
              
              switch (cellType) {
              case 0:
                  cellTypeDesc = "NUMERIC";
                  Double doubleValue = cell.getNumericCellValue();
                  cellValue = doubleValue.toString();
                  break;
              case 1:
                  cellTypeDesc = "STRING";
                  cellValue = cell.getStringCellValue();
                  break;
              case 2:
                  cellTypeDesc = "FORMULA";
                  cellValue = cell.getCellFormula();
                  break;
              case 3:
                  cellTypeDesc = "BLANK";
                  cellValue = "BLANK";
                  break;
              case 4:
                  cellTypeDesc = "BOOLEAN";
                  boolean booleanValue = cell.getBooleanCellValue();
                  cellValue = ""+booleanValue;
                  break;
              case 5:
                  cellTypeDesc = "ERROR";
                  byte byteValue = cell.getErrorCellValue();
                  cellValue = ""+byteValue;
                  break;
              }
              System.out.println("Column " + ++columnNo + " has value " + cellValue + " of type " + cellTypeDesc);
          }
      }
  }

  I expect that the class could give me some clues on the empty cell. But it turns out that the program returned only 4 columns, and the empty cell is omitted altogether as there were not any. That's what the program returned:
  

  Column 1 has value John of type STRING
  Column 2 has value 123.4 of type NUMERIC
  Column 3 has value 0923 of type STRING
  Column 4 has value 40654.0 of type NUMERIC

  Is it possible to catch empty cells?
  
  Thank you very much for help!
  
  
  Newman

  Looking through the javadocs POI, because cellIterator() does not return empty cells, you can use the getCellNum() method to determine the position of the cell in the row. You should be able to use it to determine when a cell is ignored because being blank.

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  I have a chart that I built enter an entry in the spreadsheet, and even if the first column out allright, the following three are only zeros? Would it because they are so few? and if yes how I fix this. Here's my VI

  Pazmush wrote:

  I have a chart that I built enter an entry in the spreadsheet, and even if the first column out allright, the following three are only zeros? Would it because they are so few? and if so How to solve this problem. Here's my VI

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• Scan of the columns in table for empty cells

  I have prepared a form that will do the following (Please bear with me for the description):

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  }

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