Newto NI: Options for doing this job

Hello Everyone!
My name is Micky and I am a Mechatronics Engineering student at UNB (University of New Brunswick, Canada). I am just starting out with Labwindows and NI's hardware for some of my projects. I am indeed very happy to see such a wonderful and expert community.
I am workig on a project and I am a bit confused as to the approach. Here's what I have on hand:
There is a disk with 22 slots on it(like a roullette wheel and then covered by a disk...so basically two disks 1" apart with 22 pockets).This is mounted on a shaft. All this is housed in a box with an opening the size of the slot opening on the disk.
I need to :
1. Rotate the disk so that each step is one slot >> approx 16 deg and then execute a bunch of commands.
2. Time interval of about 3-4 hrs
3. Rotate again 16 deg to align the next slot opening on the disk with a external opening on a box
4. Continue untill the 22 slots
Now my approach is this:
1. Have an optical encoder on the shaft.
2. Use a DC motor to turn the shaft in conjuction with a gear set(to reduce the speed)
3. Use A
CNZ1021 transmissive photosensor to count the number of edges(in conjuction with the encoder above)
4. Then program the logic so that :
     The motor starts at count 0
     then stops when the count = # counts that equal to 16 deg rotation
     then wait for 3-4 hrs
     then again start the motor and run till the total is now equivalent to 32 deg...and continue untill all 22 slots i.e 360 deg rot
Or use a stepper motor to do the same task.
Please advice what you think is a better approach. I have no knowledge of working with stepper motors but will learn if it is a better option to wht I have in mind.
Thanks for all your help and time.
Micky

Hello MickyM,
You should be able to drive the stepper motor using the output of the DAQ card, provided the current required to run the motor falls within the range of the current output of the DAQ card.
If the current needs to be amplified, a stepper motor driver is required. There are many stepper motor driver ICs available, so you will have to choose one corresponding to the input required for your motor.
To answer your other question, here is some information that should answer your question: LabWindows/CVI is an ANSI C Compiler. If the PIC that you are using is ANSI C compatible, there is a chance that it will be able to run the code that is compiled. You can check if the PIC is ANSI C compatible from the datasheet. However, there are lot of low-level calls which may not work as the CVI compiler will compile for an x86 computer (like PCs). The compiler that comes with the PIC, on the other hand, will surely work as it is familiar with the architecture of the PIC.
I hope this helps!
Vivek Nath
National Instruments
Applications Engineer
Machine Vision

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TYPE-POOLS : slis.
TABLES : mkpf,
         mseg,
         t001w,
         t001l.
TYPES : BEGIN OF ty_t001w,
          werks TYPE t001w-werks,
          name1 TYPE t001w-name1,
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        BEGIN OF ty_makt,
          matnr TYPE makt-matnr,
          maktx TYPE makt-maktx,
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DATA : BEGIN OF it_mat OCCURS 0,
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        zeile LIKE mseg-zeile,         " Item in Material Document
        mjahr LIKE mseg-mjahr,         " Material Document Year
        bwart LIKE mseg-bwart,         " Movement Type
        matnr LIKE mseg-matnr,         " Material Number
        erfmg LIKE mseg-erfmg,         "Quantity in unit of entry
        erfme LIKE mseg-erfme,         "Unit of entry
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        umwrk LIKE mseg-umwrk,          "Receiving plant/issuing plant
        umlgo LIKE mseg-umlgo,      "Receiving/issuing storage location
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        budat LIKE mkpf-budat,       "Posting Date in the Document
        maktx LIKE makt-maktx,           "Material description
        name1 LIKE t001w-name1,           "Name
        name2 LIKE t001w-name1,           "Name
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DATA : it_t001w TYPE TABLE OF ty_t001w
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       it_makt TYPE TABLE OF ty_makt
               WITH HEADER LINE,
       it_t001l TYPE TABLE OF ty_t001l
                WITH HEADER LINE.
DATA : ls_layout TYPE slis_layout_alv,
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       wa_fcat TYPE slis_fieldcat_alv,
       "lh TYPE slis_t_listheader,
      " ls TYPE slis_listheader,
       i_events TYPE slis_t_event WITH HEADER LINE ,
       "ls_event TYPE slis_alv_event ,
       w_var TYPE i.
DATA : l_date(10).
DATA : l_date1(20),
       ztabix LIKE sy-tabix.
SELECTION-SCREEN BEGIN OF BLOCK a1 WITH FRAME TITLE text-001.
SELECT-OPTIONS : s_werks FOR mseg-werks,
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                 s_umwrk FOR mseg-umwrk,
                 s_umlgo FOR mseg-umlgo,
                 s_bwart FOR mseg-bwart,
                 s_budat FOR mkpf-budat,
                 s_mjahr FOR mkpf-mjahr NO-EXTENSION.
SELECTION-SCREEN END OF BLOCK a1.
AT SELECTION-SCREEN.
SELECT SINGLE * FROM t001w INTO t001w
                            WHERE werks IN s_werks.
IF sy-subrc <> 0.
    MESSAGE e000(8i) WITH 'Enter a Valid Supplying Plant'.
ENDIF.
SELECT SINGLE * FROM t001w INTO t001w
                          WHERE werks IN s_umwrk.
IF sy-subrc <> 0.
    MESSAGE e000(8i) WITH 'Enter a Valid Receiving Plant'.
ENDIF.
SELECT SINGLE * FROM t001l INTO t001l
                          WHERE lgort IN s_lgort.
IF sy-subrc <> 0.
    MESSAGE e000(8i) WITH 'Enter a Valid Supplying St.Loc'.
ENDIF.
SELECT SINGLE * FROM t001l INTO t001l
                          WHERE lgort IN s_umlgo.
IF sy-subrc <> 0.
    MESSAGE e000(8i) WITH 'Enter a Valid Receiving St.Loc'.
ENDIF.
START-OF-SELECTION.
PERFORM field_cat.
PERFORM get_data.
*END-OF-SELECTION.
IF it_mat[] IS INITIAL.
    MESSAGE i000(8i) WITH 'No data Found'(m01).
*    EXIT.
ELSE.
    PERFORM process_data.
    PERFORM display_data.
ENDIF.
*&      Form field_cat
*       text
* --> p1        text
* <-- p2        text
FORM field_cat .
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'MBLN'.
wa_fcat-key = 'X'.
wa_fcat-hotspot = 'X'.
wa_fcat-ref_fieldname = 'MBLNR'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Material Doc'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'ZEILE'.
wa_fcat-ref_fieldname = 'ZEILE'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Item No'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'MJAHR'.
wa_fcat-ref_fieldname = 'MJAHR'.
wa_fcat-ref_tabname = 'MSEG'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'BWART'.
wa_fcat-ref_fieldname = 'BWART'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Mvmt Type'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'BLDAT'.
wa_fcat-ref_fieldname = 'BLDAT'.
wa_fcat-ref_tabname = 'MKPF'.
wa_fcat-seltext_m = 'Document Date'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'BUDAT'.
wa_fcat-ref_fieldname = 'BUDAT'.
wa_fcat-ref_tabname = 'MKPF'.
wa_fcat-seltext_m = 'Posting Date'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'MATNR'.
wa_fcat-ref_fieldname = 'MATNR'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Material No'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'MAKTX'.
wa_fcat-ref_fieldname = 'MAKTX'.
wa_fcat-ref_tabname = 'MAKT'.
wa_fcat-seltext_m = 'Material Description'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'ERFMG'.
wa_fcat-ref_fieldname = 'ERFMG'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Quantity'.
wa_fcat-do_sum = 'X'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'ERFME'.
wa_fcat-ref_fieldname = 'ERFME'.
wa_fcat-ref_tabname = 'MSEG'.
wa_fcat-seltext_m = 'Uom'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'WERKS'.
wa_fcat-seltext_m = 'Supplying Plant'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'NAME1'.
wa_fcat-seltext_m = 'S.Plnt Desc.'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'LGORT'.
wa_fcat-seltext_m = 'Supplying St.Loc'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'LGOBE'.
wa_fcat-seltext_m = 'Su.St.Loc Desc.'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'UMWRK'.
wa_fcat-seltext_m = 'Receiving Plant'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'NAME2'.
wa_fcat-seltext_m = 'R.Plnt Desc.'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'UMLGO'.
wa_fcat-seltext_m = 'Receiving St.Loc'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
wa_fcat-col_pos = w_var.
wa_fcat-tabname = 'IT_MAT'.
wa_fcat-fieldname = 'LGOBE1'.
wa_fcat-seltext_m = 'Re.St.Loc Desc.'.
APPEND wa_fcat TO it_fcat.
CLEAR wa_fcat.
ADD 1 TO w_var.
ENDFORM.                    " field_cat
*&      Form get_data
*       text
* --> p1        text
* <-- p2        text
FORM get_data .
SELECT a~mblnr a~zeile a~mjahr a~bwart a~matnr
            a~erfmg a~erfme a~werks a~lgort a~umwrk a~umlgo
            b~budat b~bldat
            INTO CORRESPONDING FIELDS OF TABLE it_mat
            FROM mseg AS a INNER JOIN mkpf AS b
            ON a~mblnr = b~mblnr
            AND a~mjahr = b~mjahr
            CLIENT SPECIFIED
           WHERE a~mandt EQ sy-mandt
             AND a~werks IN s_werks
             AND a~lgort IN s_lgort
             AND a~umwrk IN s_umwrk
             AND a~umlgo IN s_umlgo
             AND a~bwart IN s_bwart
             AND b~budat IN s_budat
             AND b~mjahr IN s_mjahr.
IF sy-subrc EQ 0.
    SELECT matnr maktx
     INTO TABLE it_makt FROM makt
     CLIENT SPECIFIED
     FOR ALL ENTRIES IN it_mat
      WHERE matnr = it_mat-matnr AND mandt EQ sy-mandt.
ENDIF.
SELECT werks name1
   INTO TABLE it_t001w FROM t001w
    CLIENT SPECIFIED
   WHERE mandt EQ sy-mandt.
IF sy-subrc <> 0.
    MESSAGE e000(zmss).
ENDIF.
SELECT lgobe INTO TABLE it_t001l FROM t001l
   CLIENT SPECIFIED
WHERE mandt EQ sy-mandt.
IF sy-subrc <> 0.
    MESSAGE e000(zmss).
ENDIF.
ENDFORM.                    " get_data
*&      Form process_data
*       text
* --> p1        text
* <-- p2        text
FORM process_data .
LOOP AT it_mat.
    ztabix = sy-tabix.
    READ TABLE it_makt WITH KEY matnr = it_mat-matnr.
    IF sy-subrc = 0.
      it_mat-maktx = it_makt-maktx.
    ENDIF.
    IF it_mat-bwart+2(1) = '2'.
      it_mat-erfmg = - ( it_mat-erfmg ).
    ENDIF.
    READ TABLE it_t001w WITH KEY werks = it_mat-werks.
    IF sy-subrc = 0.
      it_mat-name1 = it_t001w-name1.
    ENDIF.
    READ TABLE it_t001w WITH KEY werks = it_mat-umwrk.
    IF sy-subrc = 0.
      it_mat-name2 = it_t001w-name1.
    ENDIF.
    READ TABLE it_t001l WITH KEY lgort = it_mat-lgort.
    IF sy-subrc = 0.
      it_mat-lgobe = it_t001l-lgobe.
    ENDIF.
    READ TABLE it_t001l WITH KEY lgort = it_mat-umlgo.
    IF sy-subrc = 0.
      it_mat-lgobe1 = it_t001l-lgobe.
    ENDIF.
    MODIFY it_mat INDEX ztabix .
ENDLOOP.
ENDFORM.                    " process_data
*&      Form display_data
*       text
* --> p1        text
* <-- p2        text
FORM display_data .
REFRESH i_events.
i_events-form = 'TOP'.
i_events-name = 'TOP_OF_PAGE'.
APPEND i_events.
CLEAR i_events.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
*   I_INTERFACE_CHECK                 = ' '
*   I_BYPASSING_BUFFER                = ' '
*   I_BUFFER_ACTIVE                   = ' '
     i_callback_program                = SY-CPROG
*   I_CALLBACK_PF_STATUS_SET          = ' '
*   I_CALLBACK_USER_COMMAND           = ' '
    i_callback_top_of_page            = 'TOP'
*   i_callback_html_top_of_page       = 'TOP'
*   I_CALLBACK_HTML_END_OF_LIST       = ' '
*   I_STRUCTURE_NAME                  =
     i_background_id                   = 'ALV_BACKGROUND'
*   I_GRID_TITLE                      =
*   I_GRID_SETTINGS                   =
*   IS_LAYOUT                         = LS_LAYOUT
     it_fieldcat                       = it_fcat[]
*   IT_EXCLUDING                      =
*   IT_SPECIAL_GROUPS                 =
*   IT_SORT                           =
*   IT_FILTER                         =
*   IS_SEL_HIDE                       =
*   I_DEFAULT                         = 'X'
*   I_SAVE                            = ' '
*   IS_VARIANT                        =
     it_events                         = i_events[]
*   IT_EVENT_EXIT                     =
*   IS_PRINT                          =
*   IS_REPREP_ID                      =
*   I_SCREEN_START_COLUMN             = 0
*   I_SCREEN_START_LINE               = 0
*   I_SCREEN_END_COLUMN               = 0
*   I_SCREEN_END_LINE                 = 0
*   I_HTML_HEIGHT_TOP                 = 0
*   I_HTML_HEIGHT_END                 = 0
*   IT_ALV_GRAPHICS                   =
*   IT_HYPERLINK                      =
*   IT_ADD_FIELDCAT                   =
*   IT_EXCEPT_QINFO                   =
*   IR_SALV_FULLSCREEN_ADAPTER        =
* IMPORTING
*   E_EXIT_CAUSED_BY_CALLER           =
*   ES_EXIT_CAUSED_BY_USER            =
    TABLES
      t_outtab                          = it_mat
* EXCEPTIONS
*   PROGRAM_ERROR                     = 1
*   OTHERS                            = 2
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
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ENDFORM.                    " display_data
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*       text
FORM top.
DATA : idate(10),
           idate1 TYPE sy-datum.
DATA : ls_line TYPE slis_listheader,
         i_listheader TYPE slis_t_listheader .
CLEAR ls_line.
ls_line-typ = 'H'.
ls_line-info = sy-repid.
APPEND ls_line TO i_listheader.
CLEAR ls_line.
ls_line-typ = 'S'.
ls_line-info = 'MATERIAL DOCUMENT LIST'.
APPEND ls_line TO i_listheader.
CLEAR ls_line.
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WRITE idate1 TO idate USING EDIT MASK '__/__/____'.
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# Locate the preference '''browser.tabs.warnOnClose''', if its value is set to '''false''', double-click on it to change its value to '''true'''
# Repeat this for these 3 preferences '''browser.warnOnQuit''', '''browser.warnOnRestart''' and '''browser.showQuitWarning'''
An alternative is to set Firefox to automatically open your last set of tabs when you start Firefox.
# Open the Options window and go to the General panel
# Change the setting "When Firefox starts" to "Show my windows and tabs from last time"
As for the drop-down list on the back/forward arrows, you can get the drop down list by either right-clicking on the back/forward buttons, or holding down the left button until the list appears.

What is the sql statement for doing this?

Hi,
I am currently doing a simple search engine that allows a user to key in a filename and display all the files' name close to keyed filename(the first two letters are the same).What is the proper sql statement to select from Document according to DocumentType and the first two letters of the filename? Am i doing it the right way? I am currently use Access 2002, dunno if it will affects me.Thanks in advance
[What i did]
String filename="doc,txt"
SELECT DocumentType from Rule where UserType='1' and Action='Search';
DocumentType=1,5,9,13,17,21,25,29,33,37,41,45 // This is all the document Type the user can see.
Next i used StringTokenizer break the DocumentType.
DocumentType[0]=1;
DocumentType[0]=5;
SELECT * from Document where DocumentType and Name <<< I want to select from Document according to DocumentType and the first two letters of the filename

One more try - from what I can follow?
If I assume you have a table named for example "UserRules"
which has fields UserID,UserType,UserAction
and has records like this that controls the document types
a user is allowed to see
UserID UserType Action
TOM 1 Search
BILL 7 Search
ROY 2 Search
And if I assume you have a table named for example "AllowedUserDocumentTypes"
which has fields UserType,DocumentTypes
and has records like this that controls the document types
a user is allowed to see
UserType DocumentTypes
1 1,3,4,5,6,19
2 7,9,12,18
3 1,19,33,27
And you have the document table which has
fields are DocNo,Name,Title,Date,Filename,DocumentType
and it has records like this
DocNo Name Title Date Filename DocumentType
12345 BILL Cars CarTypes 18
12346 ROY Trucks TruckTypes 2
12347 TOM Toys ToyTypes 17
12345 JACK Car Colors CarColors 19
12345 TOM Car Shapes CarShapes 7
Then the select statement
Select DocumentTypes from AllowedUserDocumentTypes
join UserRules where UserRules.UserType = AllowedUserDocumentTypes.UserType
and UserRules.UserID = 'ROY' and UserRules.Action = 'Search';
will return 7,9,12,18
If the DocumentType field is numeric and the user entered "CarCrap" the
select statement would have to look like this
SELECT * from Document
where left(Filename,2) = 'Ca' and DocumentType in (7,9,12,18);
If the DocumentType field is say varchar
select statement would have to look like this
SELECT * from Document
where left(Filename,2) = 'Ca' and DocumentType in ('7','9','12','18');
You will have to build these select statements related to the user.
Note you should also allow for upper and lower case differences. I
would suggest you convert the user entry into uppercase and do a select
like below
SELECT * from Document
where Ucase(left(Filename,2)) = 'CA' and DocumentType in (7,9,12,18);
This is all written from memory, not tested and I have not done this
in several years.
I was showing approximately how to build the statements before.
rykk

I got a new computer and have reinstalled Dreamweaver. I don't need to set up a new site, just need to set up reinstalled Dreamweaver to manage the old site on the company server. Does anyone have a step by step walkthrough for doing this?

The site files are on our server and I can still access them. I was not the one who installed and set up Dreamweaver initially and don't know very much about the program Just enough to manage our simple site and keep it updated. Just need help setting it up so that it's back to managing our website.

Go to Site > New Site and define your site. See screenshots:
Servers: Enter your FTP log-in credentials and remote server's root directory. If unsure, check with your hosting provider for details.
Click on TEST button. If you're unable to connect, click the More Options triangle.
Nancy O.

What is the obsession for doing this?

Ok, it's a part rant and a part question.
I have a developer who uses code peppered everywhere for something like this.
select max(column1), max(column2)
   into l_column1, l_column2
from table
where unique_key_column := p_value;My guess would be to avoid writing the code this way.
begin
select column1, column2
   into l_column1, l_column2
from table
where unique_key_column := p_value;
when no_data_found then
null;
when too_many_rows then --this is a different rant. I explained why this is too_many_rows -- this will never fire for unique key lookup.
null;
end;Question:
Since I cannot ask the developer(anymore) why they wrote the code as such, I am just guessing that they don't want to deal with writing the no_data_found. Is my assumption wrong?
Also,
I remember, asking them about this and I think the reply is: What if somebody gets rid of unique key?
If it is indeed true, have you had somebody write code that is peppered everywhere as such either because they don't want to trust the data or even if they know the data, they are afraid of somebody getting rid of the 'unique key'? Didn't look like a valid argument to me. If somebody were to get rid of the unique key, wouldn't that change the whole design?
Also, in my view, if somebody were to write a too_many_rows exception everywhere just because they are afraid of somebody getting rid of unique key, then, that's bad too. They have to trust the design of the table.
Thoughts? Suggestions?
Thank you.

Hi,
RPuttagunta wrote:
Ok, it's a part rant and a part question.
I have a developer who uses code peppered everywhere for something like this.
select max(column1), max(column2)
into l_column1, l_column2
from table
where unique_key_column := p_value;
Let's call the code above Version 1, and let's call the code below Version 2.
My guess would be to avoid writing the code this way.
begin
select column1, column2
into l_column1, l_column2
from table
where unique_key_column := p_value;
when no_data_found then
null;
when too_many_rows then --this is a different rant. I explained why this is too_many_rows -- this will never fire for unique key lookup.
null;
end;
Sorry, I don't understand. Is Version 1 or Version 2 the one you prefer?
It looks like Version 2 has a syntax error; it looks like the keyword EXCEPTION is missing before the first WHEN.
Question:
Since I cannot ask the developer(anymore) why they wrote the code as such, I am just guessing that they don't want to deal with writing the no_data_found. Is my assumption wrong?It looks like they are dealing with it in Version 2, though it would be better to add a comment, and maybe even explicitly set the variables, depending on what the reuriements are.
For example:
EXCEPTION
    WHEN NO_DATA_FOUND          -- This is not really an error, the procedure can
    THEN                --     continue with NULL values
        l_column1 := NULL;
     l_column2 := NULL;
...Of course, if the procedure can't automatically continue after a NO_DATA_FOUND error, then you shouldn't hide the error. If you have an EXCEPTION handler for it at all (say, to log the error in a table), then you should RAISE the error anew at the end of the exception handler.
Also,
I remember, asking them about this and I think the reply is: What if somebody gets rid of unique key?
If it is indeed true, have you had somebody write code that is peppered everywhere as such either because they don't want to trust the data or even if they know the data, they are afraid of somebody getting rid of the 'unique key'? Didn't look like a valid argument to me. If somebody were to get rid of the unique key, wouldn't that change the whole design?
Also, in my view, if somebody were to write a too_many_rows exception everywhere just because they are afraid of somebody getting rid of unique key, then, that's bad too. They have to trust the design of the table.I agree. It seems like the chances are very slight of correctly predicting what the code should do if the uniqueness constraint is changed. It's better to have something that will raise errors in the testing process.

How good is Imovie09 for doing this...

I want to make cool effects like the first 20 sec. of the youtube video you find on... http://www.fourhourworkweek.com/blog/2009/06/01/tim-ferriss-and-kevin-rose-discu ss-their-top-5-must-read-books/
Can you do this in Imovie09 or do you need something like Final Cut (Express)?

Essentially, iMovie '09 has a few built-in 'transitions' (..ways to change from one video clip to another..) but you can't add any more transitions.
These are the ones you can use..
Final Cut Express offers more than one video track (..iMovie has only one, really..) so it can be easier to mix/cut/swap/change from one clip to another in FCE ..but I don't know how many transitions are provided in FCE ..you really have to "build" your own.
As I explained above, a company called 'GeeThree' sells transitions for a previous version of iMovie, "iMovie HD 6", and they also sell ready-made transitions for Final Cut. This is their website:
http://www.geethree.com/
So,
(1) you can adapt those transitions which are built into iMovie '09 (see picture above)
(2) if you can find an earlier version - iMovie HD 6 - you can buy extra transitions for that
(3) you can get Final Cut, and buy extra transitions for that.
"..Sorry guys. But Im still very confused of what I should do.." ..You have to decide between:
(1) using the free built-in transitions in iMovie '09, and maybe "tweaking" them by speeding them up, etc
(2) looking for iMovie HD 6, part of the "iLife '06" program - possibly on eBay or from a friend, possibly still in some shops - and buying some "plug-in" transitions for that
(3) buying or using Final Cut and creating your own transitions, or possibly buying some "plug-in" transitions for that.
Using iMovie'09 won't cost you anything, if you already have the program - nor will FCE, if you already have it - but you may need to spend 15 minutes adjusting one or more of the built-in transitions to give you what you want. You'll feel great when you've used your cleverness to achieve what you wanted, without having to buy anything.
P.S: Thanks to those links which Karsten provided, I see that at http://www.apple.com/finalcutexpress/#compositing the description says "..Out of the box, Final Cut Express provides more than 200 transitions, filters, and effects.."
I didn't know how many it has: "more than 200".

Suggestions for doing this rose petal design?

How would I best integrate these petals on this page, to give the impression that they are lying on a floor or stage without drawing one? I am going to photograph new petals so this picture is only preliminary to figure out how to do it. It would be good also to have a few falling. Open to suggestions also for this. I'd also like to have them work with the smoke - shadows, depth etcetera.
I'm not an illustrator so keep that in mind. =)
I have Adobe CS.
This will be a web page.
Suggestions welcomed. Thanks in advance.
http://www.flickr.com/photos/31397194@N03/3502118140/

Sorry about that. Here you go:
http://www.flickr.com/photos/31397194@N03/3502118140/
No wonder I'm not gettting any responses! =)
EDIT
Looks like the link is working, at least on my end.
I'm not sure how to make the petals appear layered in the smoke, with realistic lighting.
Also open to ideas on the page design. This will be a background for a web page.
Do you guys even think the design could work, if done right?
I have a vague impression of what I want to do, but am having trouble integrating it into a working design.

Is there a way to upload music that I have saved on my computer to my ipod? I didn't see anything in the user guide for doing this.

Is there a way to upload music that I have saved on my computer it my ipod touch or is uploading from iTunes the only way to upload music? I didn't see anything in the user guide on how to do this.

These two articles explain how to put music from your PC into iTunes and then all you need to do is sync it with your iPod
http://support.apple.com/kb/HT1473#2
http://support.apple.com/kb/ht1347

I want to update my IPad's operating system but when I tried to so, I got a message at Itunes advising all my apps would be removed? Is there a step by step guide for doing this update and retaining my apps? I am completely lost....

I want to update my 1st generation IPad which has a current OS of 4.2.1 to the latest 5.0 OS. I tried to do this through my ITunes account but got a warning that continuing would delete my apps, etc. I don't want that to happen! I have ZERO tech ability/know-how and need an idiot-proof, step by step guide to performing the update. Any help most appreciated. I haven't got a clue how to back up anything on the IPad, either.
Many thanks!!

First copy any purchases off the iPad to your computer's iTunes via File > Transfer Purchases. You should also backup the device (right-click the iPad 'device' and select 'back up'), and copy off any important documents, files, notes etc (e.g. by email, the file sharing section at the bottom of the Apps tab on your computer's iTunes, via wifi, whatever the apps that you use support) - the update process should backup and restore the content but it's best to be safe.
There is some more info on this page about updating to iOS 5 : http://support.apple.com/kb/HT4972

Newto NI: Options for doing this job

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