Creating surface of dense trees

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  Nancy Drew games - get this error message: Init DirectDraw(), screen buffer to create Surface() - cannot create a DirectDraw Surface. Hardware closing - DDERR_NODIRECTDRAWHW - one game only DirectDraw object creation was attempted, but the driver did not support any hardware.

  Any suggestions?

  Hi gkfuller,

  Have you followed the steps that I recommended above? If this isn't the case, please do and check the result.

  Step 1: Remove the game completely:

  If the above steps do not work, uninstall and reinstall the game should solve this problem.

  How to change or remove a program in Windows XP

  After you have uninstalled the game, check that all the game files have been removed from your computer. The remaining game files will be in one of the following locations (depending on the title of the game and your operating system):

  C:\Nancy drew
  C:\Program Files\Nancy Drew
  For XP: Folder 'My Documents' (C:\Documents and Settings\nom_utilisateur\Mes Documents)

  For more details, see: Impossible to uninstall using Add/Remove Programs

  Step 2: Reinstall the game

   

  To install the game manually, see the steps in the article below.

  http://www.herinteractive.com/CMS/FAQ/install-does-not-start-when-i-put-my-disc

  Kind regards

  Shinmila H - Microsoft Support

  Visit our Microsoft answers feedback Forum and let us know what you think.

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  Paul E wrote:

  Understood... But like I said that this problem has been fixed in V3.3RC (I think that I said beta but menat RC).

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  Hello
  
  I would create a program to view a directory in the server for users to select a file in a tree object. I use the PHP program to create an XML format will be something like:
  
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  Wilson
  

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  view shud be somethug as
  

  APAC
  EUROPEAN UNION
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  Thank you very much

  Hello

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  Friends,
  
  I met a problem and hope you can help me with.
  
  I created a tree using the method described in a book great John & Scott, 'Pro Express Application'. Here is an example of a link stored in my table:
  
  
  access a page, passing it parameters
  
  f? p = & APP_ID.:3: & SESSION.: P3_IDENTIFIER, P3_FAMILY_NAME: & P2_IDENTIFIER, & P2_FAMILY_NAME.
  
  
  When the page is executed that it works as expected. I can expand the tree and go to the page, passing it the parameters if necessary.
  
  However when I turned on the protection of session state these links "handmade" has stopped working. (What I expected because it contains no checksum!).
  
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  Select "IDENTIFIER" id,
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  Then, I changed the option to use APEX_UTIL. PREPARE_URL:
  
  ....
  APEX_UTIL. Link PREPARE_URL (Link),
  ....
  
  But clicking on the link just gave me a blank page. I then hardcoded just the url in the select statement:
  
  ....
  APEX_UTIL. PREPARE_URL ('f? p ='|: APP_ID |) » : 3 :'|| : APP_SESSION |': P3_IDENTIFIER, P3_FAMILY_NAME: & P2_IDENTIFIER, & P2_FAMILY_NAME. ") link.
  ...
  
  and it works, the page is called, and I can see the values of the parameters passed. But I can't use this method because it is limited to a page!
  
  Finally, I tried to store the parameter values, the parameters and the page number in different columns of the table that the tree came and then bring together them:
  
  ...
  APEX_UTIL. PREPARE_URL ('f? p ='|: APP_ID |': ' | navigate_to_page |': ' |: APP_SESSION |': ' | parameter |': ' | parameter_values link).
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  Go to page set: 3
  parameters a value: P3_IDENTIFIER, P3_FAMILY_NAME
  parameter_values has the values of: & P2_IDENTIFIER, & P2_FAMILY_NAME.
  
  He now calls the page, but the values of the parameters have become literals. so, where I would expect an identifier I see & P2_IDENTIFIER Idem for family name.
  
  What I am doing wrong? How can I pass values to my page called using apex_util_prepare_url?
  
  If necessary, the details of my environment are: Apex 3.2.1 Oracle Application Server 10.1.2.3. Database Oracle 10.2.0.3
  
  Thanks in advance for any help you may be able to provide.

  Hello

  & NAME. the rating is not available in SQL, you must either use: NAME or v ('NAME') or nv ('NAME') (for numbers). One of these must be concatenated in your SQL statement in the same way that you did for: APP_ID etc.

  Andy

• Need advice on creating in Oracle decision tree

  Hello. I've been tasked with finding how to convert a decision tree to the Oracle tables. It is used for a user Help Center: If the appellant responds to A Question with answer 1, then C question, ask any other Question B, etc.. And they would like to record the responses of the user along the way. Specialists are developing the questions/typical responses and must now build a web-based system to guide people through this decision tree.
  
  How to create such a thing in a relational database? Your guidance is appreciated. Thank you.

  I would use two tables: one for questions and one for answers. Associate a response with the respondent to the question and then associate each question and answer that drives this question witch is nothing when it comes to the root.

  create table questions (
       question_id number,
       constraint questions_pk
            primary key (question_id),
       question_text varchar2(4000),
       parent_question_answer_id number,
       constraint questions_unq
            unique (parent_question_answer_id)
  )
  /
  
  create table answers (
       answer_id number,
       constraint answers_pk
            primary key (answer_id),
       question_id number not null,
       constraint answers_fk
            foreign key (question_id)
            references questions,
       answer_text varchar2(4000),
       constraint answers_unq
            unique(question_id,answer_text)
  )
  /
  
  alter table questions add (
       constraint questions_fk
            foreign key (parent_question_answer_id)
            references answers
  )
  /
  

  Where a question can be reached from several responses put you this relationship in a third table fits in this case.

  create table questions (
       question_id number,
       constraint questions_pk
            primary key (question_id),
       question_text varchar2(4000),
  )
  /
  
  create table answers (
       answer_id number,
       constraint answers_pk
            primary key (answer_id),
       question_id number not null,
       constraint answers_fk
            foreign key (question_id)
            references questions,
       answer_text varchar2(4000),
       constraint answers_unq
            unique(question_id,answer_text)
  )
  /
  
  create table question_links (
       answer_id number,
       constraint question_links_pk
            primary key (answer_id),
       constraint question_links_fk_1
            foreign key (answer_id)
            references answers,
       question_id number not null,
       constraint question_links_fk_1
            foreign key (question_id)
            references questions
  )
  /
  

  Alessandro Bye

• FRM-41072: cannot create group (for a tree)

  Hello
  the following code attempts to refresh the data when recording the record that is a child of the child of the grandparent.
  
  In triggering the validation key...
  
  The query has been works fine without the new concept of editing have a child by the child.
  

  e.g.
  
  Electrical Equipment
  |_ Computer
         |_ Mother Board

  Sort the query works very well as a toad, it displays what I want but in tree forms... !!!
  
  Get the following error:
  --===========================
  FRM-41072: failed to create the RG_DAL_MED group
  FRM-41076: error group filling.
  FRM-41085: error getting number of lines of the group.
  --===========================
  
  Using forms 6i Windows XP... !
  
  
  

            
  DECLARE
       
      selektas VARCHAR2(5000);
        rg_name VARCHAR2(4000) := 'RG_DAL_MED';
        rg_id      RecordGroup;
        find_node Ftree.NODE;
        n NUMBER (38);
        htree ITEM := Find_Item('TREE_BLOCK_TEST.TREE13');
        v_WHERE   VARCHAR2(5000);
       
  BEGIN
        
    rg_id := Find_Group(rg_name);
  
     IF NOT Id_null(rg_id) THEN
      DELETE_GROUP(rg_id);
           
     END IF;  
        
            V_WHERE := ('PARENT_ID IN ( SELECT   INSP_EQUIPMENT.EQUIPMENT_ID FROM INSP_EQUIPMENT  
       WHERE CLASS_ID IN (1,2,3,4)');
            V_WHERE := V_WHERE || (' AND INSP_EQUIPMENT.EQUIPMENT_TYPE_ID = ' || :INSP_EQUIPMENT.EQUIP_TYPE_ID ||'' );
            
            V_WHERE := V_WHERE || ( '     AND ( INSP_EQUIPMENT.PARENT_ID= '|| :EQUIP_ID );
            V_WHERE := V_WHERE || ( '   OR INSP_EQUIPMENT.PARENT_ID IS NULL ))');
            V_WHERE := V_WHERE  ||(' CONNECT BY PRIOR INSP_EQUIPMENT.EQUIPMENT_ID = INSP_EQUIPMENT.PARENT_ID START WITH  INSP_EQUIPMENT.PARENT_ID IS NULL ORDER BY EQUIPMENT_id ');
                      
     
          selektas :=  'SELECT       1       NODE_STATE,                    LEVEL               NODE_DEPTH, 
                                                     EQUIPMENT            NODE_LABEL, 
                                   NULL                 NODE_ICON, 
                      EQUIPMENT_ID         NODE_VALUE                           FROM                 INSP_EQUIPMENT
            WHERE V_WHERE ';
  
       rg_id := Create_Group_From_Query(rg_name, selektas);         
             n := Populate_Group(rg_id);
              n := Get_Group_Row_Count(rg_id);
  
   IF n > 0 THEN
       
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  END IF;
  
  END;

  Kind regards
  
  Abdetu...

  selektas: = ' SELECT 1 NODE_STATE, NODE_DEPTH LEVEL.
  NODE_LABEL OF EQUIPMENT,
  NODE_ICON NULL,
  EQUIPMENT_ID INSP_EQUIPMENT NODE_VALUE
  WHERE V_WHERE ';

  Must be added the V_WHERE as a value of your choice:

  selektas :=  'SELECT  1       NODE_STATE,
                        LEVEL               NODE_DEPTH,
                        EQUIPMENT            NODE_LABEL,
                        NULL                 NODE_ICON,
                        EQUIPMENT_ID         NODE_VALUE
                   FROM INSP_EQUIPMENT
                  WHERE ' || V_WHERE;
  

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  Hello

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  Frank

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