Using ModbusSlave and for bitwise operation
I ran into a problem using a ModbusSlave to read a signed Integer for bitmasking.
I connected the Tag value into D40001 and read the bits from ModbusSlave1.H40002.fx (for bits 0-15) and ModbusSlave1.H40001.fx (for bits 16-31).
When the the MSB (Bit 15) was on, the number returned was a negative value, and the ModbusSlave showed no bits as set.
I alos found this to be a problem using mod( int(WORD) , 2) --> to get Bit 0
mod( int(WORD/2) , 2) --> to get Bit 1...
as this will return an error if WORD is negative.
I saw a suggestion to check for the sign bit by: if ((WORD <0), TRUE, FALSE).
How does this work if the sign bit is the only bit on (WORD = -0)?
The solution we did was to create a new Tag in the PLC as a DINT (double INT-32 bit) and add a rung to move the INT(16 bit) into this new Tag.
However I did find that this will be a problem if the MSB (bit 31) is used in the DINT.
The getbit function worked but I was looking for a solution other than using this as I am often working from existing PLC's and don't always have access to the PLC program to make a change like this.
Hello Khalid,
The application is pretty simple.
I am reading a tag from a AB Controllogix PLC.
Lookout is seeing it as a 16 bit signed Integer.
The tag has each bit assigned to a Photoeye or e-stop and I want to monitor each bit to see of it is true.
It can be simulated using a Pot and ModbusSlave.
I tried the "S" regsitered but did not see a value in the ModbusSlave1.H40002.fx.
Should I use another connection?
Dswift
Similar Messages
-
Hi All
So in general why would we use a cursor and a for loop to do update in a stored procedure?
Why wouldnt we just use a single update statement ?
is there compelling reason for using a cursor and a for loop: I am reading some code from a co-worker that the business logic for the select (set need to be updated) is complex but the update logic is simple (just set a flag to (0 or 1 or 2 or 3 or 4).
But eventually the select come down to a key (row_id) so I re-write it using just a single sql statement.
The size of the main table is about 2.6 to 3million rows
Any thoughts on that??
The code below I just do a google for cursor for update example in case for something to play with
-Thanks for all your input
create table f (a number, b varchar2(10));
insert into f values (5,'five');
insert into f values (6,'six');
insert into f values (7,'seven');
insert into f values (8,'eight');
insert into f values (9,'nine');
commit;
create or replace procedure wco as
cursor c_f is
select a,b from f where length(b) = 5 for update;
v_a f.a%type;
v_b f.b%type;
begin
open c_f;
loop
fetch c_f into v_a, v_b;
exit when c_f%notfound;
update f set a=v_a*v_a where current of c_f;
end loop;
close c_f;
end;
exec wco;
select * from f;
drop table f;
drop procedure wco;
Joining multiple tables
create table numbers_en (
id_num number primary key,
txt_num varchar2(10)
insert into numbers_en values (1, 'one' );
insert into numbers_en values (2, 'two' );
insert into numbers_en values (3, 'three');
insert into numbers_en values (4, 'four' );
insert into numbers_en values (5, 'five' );
insert into numbers_en values (6, 'six' );
create table lang (
id_lang char(2) primary key,
txt_lang varchar2(10)
insert into lang values ('de', 'german');
insert into lang values ('fr', 'french');
insert into lang values ('it', 'italian');
create table translations (
id_num references numbers_en,
id_lang references lang,
txt_trans varchar2(10) not null
insert into translations values (1, 'de', 'eins' );
insert into translations values (1, 'fr', 'un' );
insert into translations values (2, 'it', 'duo' );
insert into translations values (3, 'de', 'drei' );
insert into translations values (3, 'it', 'tre' );
insert into translations values (4, 'it', 'quattro');
insert into translations values (6, 'de', 'sechs' );
insert into translations values (6, 'fr', 'six' );
declare
cursor cur is
select id_num,
txt_num,
id_lang,
txt_lang,
txt_trans
from numbers_en join translations using(id_num)
left join lang using(id_lang)
for update of translations.txt_trans;
rec cur%rowtype;
begin
for rec in cur loop
dbms_output.put (
to_char (rec.id_num , '999') || ' - ' ||
rpad (rec.txt_num , 10 ) || ' - ' ||
rpad(nvl(rec.txt_trans, ' '), 10 ) || ' - ' ||
rec.id_lang || ' - ' ||
rpad (rec.txt_lang , 10 )
if mod(rec.id_num,2) = 0 then
update translations set txt_trans = upper(txt_trans)
where current of cur;
dbms_output.put_line(' updated');
else
dbms_output.new_line;
end if;
end loop;
end;
/Edited by: xwo0owx on Apr 25, 2011 11:23 AMAdding my sixpence...
PL/SQL is not that different from a SQL perspective than any other SQL client language like Java or C# or C/C++. PL/SQL simply integrates the 2 languages a heck of a lot better and far more transparent than the others. But make no mistake in that PL/SQL is also a "client" language from a SQL perspective. The (internal) calls PL/SQL make to the SQL engine, are the same (driver) calls made to the SQL engine when using Java and C and the others.
So why a cursor and loops in PL/SQL? For the same reason you have cursors and loops in all these other SQL client languages. There are the occasion that you need to pull data from the SQL engine into the local language to perform some very funky and complex processing that is not possible using the SQL language.
The danger is using client cursor loop processing as the norm - always pulling rows into the client language and crunching it there. This is not very performant. And pretty much impossible to scale. Developers in this case views the SQL language as a mere I/O interface for reading and writing rows. As they would use the standard file I/O read() and write() interface calls.
Nothing could be further from the truth. SQL is a very advance and sophisticated data processing language. And it will always be faster than having to pull rows to a client language and process them there. However, SQL is not Turing complete. It is not the procedural type language that most other languages we use, are. For that reason there are things that we cannot do in SQL. And that should be the only reason for using the client language, like PL/SQL or the others, to perform row crunching using a client cursor loop. -
Using delete and FOR ALL ENTRIES
Hi,
We have a error message regarding the following code :
Delete FROM TABLE FOR ALL ENTRIES IN lt_TABLE WHERE
TABLE_KEY1 = LT_TABLE_KEY1
Could we use the For All entries with "Select" ?
For information, the error message is "Unable to interpret "FOR". Possible causes: Incorrect spelling or comma error.
Thank you.Hi,
Check the below syntax, if you want to delete from database
DELETE FROM sflight
WHERE carrid = p_carrid AND
fldate = sy-datum AND
seatsocc = 0.
Just a suggestion. May be from next time you can use F1 help for syntax:
1. Place the cursor on the delete keword in your program and press F1 - You willl get all the possible syntax for delete statement
2. Else open the transaction ABAPDOCU, Click Keyword Help, Enter the required keyword(delete in this case) and press cont.. You will get the syntax.
Hope thsi will help you.
Regards,
Swarna Munukoti. -
How to use single button for different operations
Hi
I am using one button with image having 4 controls like left right up and down...
How to use the single button for 4 different operations??
Is there any way of defining hotspots on single button to do four different operations...
Please have a look at the attached image, u can understand my problem better...
Please let me know ASAP...
Thanks and Regards
Aruna.S.N.Here ya go:
http://code.google.com/p/flexlib/wiki/ComponentList
If this post answers your question or helps, please mark it as such. -
How do i use Arrays and For Loops in Loading Multiple Images?
I am struggling to load a sequential array of images to appear like a moving image. So when u click the button the images load one after the other.
The code below is what i have so far, but it fails to do what i seek in that there's only one image loading which is the last image in the array, so either because the images are stacking up atop each other, or because i simply dont understand the basics...
And, i am unclear about what you said kglad, that my solution will be more complicated because i need to preload my image sequence and then use a loop to load it?
import flash.net.URLRequest;
import flash.display.Loader;
var count:int = 0;
var imageArray:Array=["1.jpg","2.jpg","3.jpg","4.jpg","5.jpg","6.jpg","7.jpg",
"8.jpg","9.jpg","10.jpg","11.jpg","12.jpg","13.jpg"];
for(var i:uint=0;i<imageArray.length;i++){
var btn:YourButton=new YourButton();
btn.ivar=i;
addChild(btn);
btn.x=0;
btn.y=0;
btn.addEventListener(MouseEvent.CLICK,clickF);
var ldr:Loader=new Loader();
addChild(ldr);
ldr.x=20;
ldr.y=20;
function clickF(e:MouseEvent){
ldr.load(new URLRequest("D:/flash cs5.5/image_sequence/twirlSeq/"+imageArray[e.currentTarget.ivar]));
function loadComplete(e:Event){
// first process loaded image, then...
count++;
if(count < imageArray.length){
loadCurrentImage(); // load the next image
} else {
// sequencial loading complete, carry on to next activity
function loadCurrentImage(){
ldr.load(imageArray[count]);
ldr.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);create a new fla, add btn and add the code i suggested. test.
var count:int;
var imageArray:Array=["1.jpg","2.jpg","3.jpg","4.jpg","5.jpg","6.jpg","7. jpg",
"8.jpg","9.jpg","10.jpg","11.jpg","12.jpg","13.jpg"];
var ldr0:Loader=new Loader();
ldr0.contentLoaderInfo.addEventListener(Event.COMPLETE,loadCompleteF);
var ldr1:Loader=new Loader();
ldr1.contentLoaderInfo.addEventListener(Event.COMPLETE,loadCompleteF);
btn.addEventListener(MouseEvent.CLICK,clickF);
function clickF(e:MouseEvent):void{
// initialize count
count=0;
// call loadF
loadF();
function loadF():void{
// add one of the loaders to the top of the displaylist and load the next image
addChild(this["ldr"+count%2])
this["ldr"+count%2].load(new URLRequest(imageArray[count]));
function loadCompleteF(e:Event):void{
// increment count
count++;
// check if the last has loaded
if(count<imageArray.length){
// if not clear the content out of the next loader.
if(this["ldr"+count%2].content){
this["ldr"+count%2].unloadAndStop();
// and call loadF so the next loader can load the next image in the array
loadF();
} else {
// if the last has loaded.
// last load completed -
Using Cursor and FOR LOOP to INSERT the data into table
Hi all,
I have SELECT statement that returns 3 rows:
PROCESSNAME
PROTDATE
IMM
2013-12-18
Metrology
2013-11-18
CT
2013-12-04
SELECT processName, MAX(NVL(protStartDate, protCreateDate)) AS protDate
FROM TABLE(SEM_MATCH("{
?ipc rdf:type s:Protocol .
?ipc s:protocolNumber ?protNum .
?ipc s:protocolCreateDate ?protCreateDate .
OPTIONAL {?ipc s:protocolSchedStartDate ?protStartDate }
?ipra rdf:type s:ProcessAggregate .
?ipra s:hasProtocol ?iprot .
?iprot s:protocolNumber ?protNum .
?ipra s:processAggregateProcess ?processName.
}",sem_models("PROTS", "LINEARS"),NULL, SEM_ALIASES(SEM_ALIAS("","http://VISION/Data/SEMANTIC#"),SEM_ALIAS("s","http://VISION/DataSource/SEMANTIC#")),NULL))
Group by processName
Now I need to INSERT these values into the table along with the other values.
these other values come from different table.
INSERT INTO MODEL_CLASS_COUNTS (MODEL_NAME, CLASS_NAME, INS_COUNT, COUNT_DATETIME, PROCESS_NAME, PROT_DATE)
VALUES
("$MODEL",
"${i}",
(SELECT COUNT (DISTINCT S) FROM TABLE(SEM_MATCH(
"{?s rdf:type :${i} . }",SEM_Models("$MODEL"),NULL, SEM_ALIASES(SEM_ALIAS("","http://VISION/DataSource/SEMANTIC#")),NULL))),
SYSTIMESTAMP, %%here need to insert PROCESSNAME, PROTDATE%%
t was giving me error:
PL/SQL: ORA-22905: cannot access rows from a non-nested table item
so i enclosed sparql query into single quotes.
The code is as follows:
declare
type c_type is REF CURSOR;
cur c_type;
v_process varchar2(200);
v_pdate varchar2(200);
begin
open cur for
' SELECT processName, MAX(NVL(protStartDate, protCreateDate)) AS protDate <-- it's complaining about this being too long identifier, i think...
FROM TABLE
(SEM_MATCH (
?ipc rdf:type s:Protocol .
?ipc s:protocolNumber ?protNum .
?ipc s:protocolCreateDate ?protCreateDate .
OPTIONAL {?ipc s:protocolSchedStartDate ?protStartDate }
?ipra rdf:type s:ProcessAggregate .
?ipra s:hasProtocol ?iprot .
?iprot s:protocolNumber ?protNum .
?ipra s:processAggregateProcess ?processName.
}",SEM_Models("XCOMPASS", "XPROCESS"),NULL,
SEM_ALIASES(SEM_ALIAS("","http://VISION/Data/SEMANTIC#"),
SEM_ALIAS("s", "http://VISION/DataSource/SEMANTIC#")),NULL))
Group by processName';
loop
fetch cur into v_process, v_pdate;
exit when cur%NOTFOUND;
--here I need to insert v_process , v_pdate into my table along with other values...
dbms_output.put_line('values for process and prod_date are: ' || v_process || v_pdate );
end loop;
close cur;
end;
exit;
Now, I get an error:
ORA-00972: identifier is too long
Does anyone know way around this?Hi,
I tested something similar with insert into select and it worked fine :
insert into t_countries(ID,CITY ,POPULATION, DESCRIPTION, located, insdate )
SELECT 1 id, city, o , city||' is a nice city' description, max(nvl(locatedAt,'unknown')) as located,
SYSTIMESTAMP
FROM TABLE(SEM_MATCH(
'{GRAPH :gCH {<http://www.semwebtech.org/mondial/10/countries/CH/> :hasCity ?cityID .
?cityID :name ?city .
OPTIONAL{?cityID :locatedAt ?locatedAt .}
?cityID :population ?o .
SEM_Models('VIRT_MODEL_MONDIAL'),
SEM_Rulebases(null),
SEM_ALIASES(SEM_ALIAS('','http://www.semwebtech.org/mondial/10/meta#'),
SEM_ALIAS('prv','http://www.semwebtech.org/mondial/10/countries/CH/provinces/')
null))
group by city,o
order by city;
Or with execute immediate :
declare
v_country varchar2(200) :='http://www.semwebtech.org/mondial/10/countries/F/';
v_text varchar2(2000);
begin
v_text := 'insert into t_countries(ID,CITY ,POPULATION, DESCRIPTION, located, insdate )
SELECT 1 id, city, o , city||'' is a nice city'' description, max(nvl(locatedAt,''unknown'')) as located,
SYSTIMESTAMP
FROM TABLE(SEM_MATCH(
''{<'||v_country||'> :hasCity ?cityID .
?cityID :name ?city .
OPTIONAL{?cityID :locatedAt ?locatedAt .}
?cityID :population ?o .
SEM_Models(''VIRT_MODEL_MONDIAL''),
SEM_Rulebases(null),
SEM_ALIASES(SEM_ALIAS('''',''http://www.semwebtech.org/mondial/10/meta#'') ),
null))
group by city,o
order by city';
dbms_output.put_line(v_text);
delete from t_countries;
execute immediate v_text ;
commit;
end;
Marc -
SQL query for Bitwise operation via SSRS
I am trying to write a query to display data in a SSRS report where we can select multiple values from a list parameter.
The WHERE clause in the query has to filter based on the selected values with the statement below.
I need to be able to pass each of the selected values from the SSRS report to replace the value
1 below. I can get it to work if only one parameter value is selected, but not if multiples are selected.
How do I get it to loop through each of the selected values and input that in to my where statement.
where customer_communication_preferences & 1 <> 0
Thanks in advance.I can pass the values across and use a function to split them out without an issue. Each time I try to run it as a stored procedure I can the error that:
SP:
CREATE Proc [dbo].[Get_CCP]
(@MultiVal nvarchar(max))
AS
select customer_number,
customer_communication_preferences
FROM ts_customer
WHERE customer_state = 'A'
and (customer_communication_preferences & (SELECT Val from dbo.fn_String_To_Table(@MultiVal,',',1))) <> 0
Then I do:
Get_CCP'4096' --This works
Get_CCP'4096,1024' --This error with the error :
Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression. -
Error in checking FORALL and FOR performance in PL/SQL.!
I am using FORALL and FOR construct' comparison in term of times taken by them(performance).
This is whats my problem:
SQL> SET SERVEROUTPUT ON;
SQL> CREATE TABLE T1(C1 VARCHAR2(100));
Table created.
SQL> declare
2 t1 number;
3 t2 number;
4 t3 number;
5 begin
6 for i in 1..10
7 loop
8 t1:=dbms_utility.get_time;
9 insert into t1 values('RAVIKANTH');
10 end loop;
11 t2:=dbms_utility.get_time;
12 forall i in 1..10
13 insert into t1 values('RAVIKANTH');
14 t3:=dbms_utility.get_time;
15 dbms_output.put_line('Time taken for FOR'||TO_CHAR((t2-t1)/100));
16 dbms_output.put_line('Time taken for FORALL'||TO_CHAR((t3-t1)/100));
17 end;
18 /
declare
ERROR at line 1:
ORA-06550: line 13, column 1:
PLS-00435: DML statement without BULK In-BIND cannot be used inside FORALL
... dear friends, please help me out in resolving this.
Thanks in advance,
Ravikanth K.Forall works with sets of data, like index-by tables. Here's an example:
declare
t1 number;
t2 number;
t3 number;
type r_tt is table of t%rowtype
index by binary_integer;
tt r_tt;
begin
for i in 1..10
loop
t1:=dbms_utility.get_time; -- <----- this one should be outside the loop
insert into t values('RAVIKANTH');
end loop;
t2:=dbms_utility.get_time;
-- Load the index-by Table
for i in 1..10
loop
tt (i).c1 := 'RAVIKANTH';
end loop;
-- Use this index-by Table to perform the Bulk Operation
forall i in 1..10
insert into t values tt (i);
t3:=dbms_utility.get_time;
dbms_output.put_line('Time taken for FOR'||TO_CHAR((t2-t1)/100));
dbms_output.put_line('Time taken for FORALL'||TO_CHAR((t3-t1)/100));
end;You probably won't see much difference in elapsed time. You testing a single insert again a bulk operation.
btw: You have a local variable with the same name as your table -
Single inspection lot for multiple operation
Hi
I am creating a process order having 10 operation. the 3,5 and 8 are quality inspection (inprocess inspection) & last is PP operation that is for final confirmation.
The control key in quality operations are pi02 and for production operation are pi03.
i am using insp type 03 in material master
Curently only one inspection lot is trigerring for all operations hence while RR, all operation are appearing (Quality & production).
User needs diffirent inspection lots for different quality operation.
How can i triggere lots per QC operation??
I would be vary thankful if i get it.
AYKHi
Std will create one inspection lot for 1 process order
and RR will show all operations which is related to inspection
ask PP guy that cotrol indicator Pi03 - insp. char to be uncheck
then it will not show those operations not relevant for inspection
is't fullfill your requirement
why your business needs individual inspection lot for each operation?
give info
Thanks
Sami -
How to add cursor and for loop
PROCEDURE "TEST" is
bala number;
ins1 number;
ins2 number;
BEGIN
select sum(bal) into bala from (select sum(acp.acp_totbal) bal,acp_instruid from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and c_srm_prncplinsid=acp_instruid
and acp_acntnum!='SG030001'
group by acp_instruid
union
select sum(acp.acp_totbal) bal,acp_instruid from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and acp_acntnum!='SG030001'
and acp_instruid=c_srm_prntinsid
group by acp_instruid)view1;
dbms_output.put_line(bala);
select acp_instruid into ins1 from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and c_srm_prncplinsid=acp_instruid
and acp_acntnum='SG030001';
dbms_output.put_line('principal'||ins1);
select acp_instruid into ins2 from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and acp_acntnum='SG030001'
and acp_instruid=c_srm_prntinsid;
dbms_output.put_line('parent'||ins2);
update cs_acpos_bkp
set acp_totbal=-bala
where acp_instruid=ins2
and acp_acntnum='SG030001';
END;
i have written this code,i need to use cursor and for loops to get more than one rows and update also.
if there are more than 1 rows in cs_strmap_t,then the procedure throws an error stating that it cannot take 2 rows.
Edited by: 850836 on Apr 7, 2011 11:43 PMPROCEDURE "TEST" is
bala number;
ins1 number;
ins2 number;
CURSOR cur_1 IS
select sum(bal) bala from (select sum(acp.acp_totbal) bal,acp_instruid from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and c_srm_prncplinsid=acp_instruid
and acp_acntnum='SG030001'
group by acp_instruid
union
select sum(acp.acp_totbal) bal,acp_instruid from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and acp_acntnum='SG030001'
and acp_instruid=c_srm_prntinsid
group by acp_instruid)view1;
BEGIN
select acp_instruid into ins1 from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and c_srm_prncplinsid=acp_instruid
and acp_acntnum='SG030001';
dbms_output.put_line('principal'||ins1);
select acp_instruid into ins2 from cs_strmap_t map,cs_instru_strips strip,cs_acpos_bkp acp
where c_int_instruid=c_srm_prncplinsid
and acp_acntnum='SG030001'
and acp_instruid=c_srm_prntinsid;
dbms_output.put_line('parent'||ins2);
for var_for in cur_1
loop
update cs_acpos_bkp
set acp_totbal=var_for.bala
where acp_instruid=ins2
and acp_acntnum='SG030001'
and abs(acp_totbal)>abs(bala);
dbms_output.put_line(bala);
end loop;
END;
i wrote the following procedure,but the balance is not getting updated.
Getting this errors when there are more than 1 row in cs_strmap_t table
ORA-01422: exact fetch returns more than requested number of rows
ORA-06512: line 22
ORA-06512: at line 2 -
Function module: why do we use FM and what is the purpose of using FM
hi,
Can any please explain. Why do we use FM?
What is the purpose of using FM ?
Where we are using FM and for what tables in R/3 ?
I could be thankful to you if any one answer above questions.
ArunHi,
We go for creating FM when there is a chance of using the same code in different reports in R/3.
Suppose I have a requirement say, to display the Payer Name for every sale order.
This is most common requirement in any project.
You can create a FM say READ_CUSTOMER_NAME in SE37.
Write a select statement from the table VBAP to fetch the Payer Name based on the Sales Order.
Now you can activate the FM and it is ready to be used across all the reports in R/3.
Need : To avoid redundant coding and to modularize the code.
If you want to see the list of Standard FMs, got SE37 --> press F4 and you'll get all the SAP standard FMs.
For customized FMs (User defined), type Z* or Y* and press F4.
Hope this helps a bit !!!
Regards,
Balaji V -
hi Experts,
while running SQL Query i am getting an error as
The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator. for the query
select T1. Dscription,T1.docEntry,T1.Quantity,T1.Price ,
T2.LineText
from OQUT T0 INNER JOIN QUT1 T1 ON T0.DocEntry = T1.DocEntry INNER JOIN
QUT10 T2 ON T1.DocEntry = T2.DocEntry where T1.DocEntry='590'
group by T1. Dscription,T1.docEntry,T1.Quantity,T1.Price
,T2.LineText
how to resolve the issueDear Meghanath,
Please use the following query, Hope your purpose will serve.
select T1. Dscription,T1.docEntry,T1.Quantity,T1.Price ,
CAST(T2.LineText as nvarchar (MAX))[LineText]
from OQUT T0 INNER JOIN QUT1 T1 ON T0.DocEntry = T1.DocEntry LEFT OUTER JOIN
QUT10 T2 ON T1.DocEntry = T2.DocEntry --where T1.DocEntry='590'
group by T1. Dscription,T1.docEntry,T1.Quantity,T1.Price
,CAST(T2.LineText as nvarchar (MAX))
Regards,
Amit -
Can anyone help me with this problem. ITunes message," The iTunes library file cannot be saved. You do not have enough access privileges for this operation." I have administrator account and transferred files from old PC. I downloaded new iTunes program on new PC. I synced my iPhone to new PC, no problem. I deleted old account after indicating shared files to new admin account. Can anyone help?
A belated reply, as the problems itunes has have discouraged me from using it much. If you uncheck the "read only" box, it doesn't stay that way! Next time you use it, the box comes up checked.
I'm still having that problem, even when I open iTunes as administrator.
I've yet to see the answer to this problem. I use itunes mostly to download audiobooks, and I'm ready to download more, and want to save them! -
Is the Mac Mini for me ? (used for basic operation and recording)
I have always owned a PC and ready to make the change to Apple, since we have iPhones and iPads.
Here's a list of what we would use the computer for:
- basic Microsoft Office (Word, Excel, etc)
- browsing
- storing files (ITunes movies and music)
- storing photos
- streaming video
- recording music via pro tools (demo versions)
Thanks for the help; very unfamiliar with Apple desktops.dwb wrote:
Depends on how many wires the user wants on and under the desk. I’ve related a number of times my own experience with a base 2012 mini which I found frustrating to use until I upgraded the RAM and installed an SSD. I started with a quality USB 3 enclosure - not all enclosures are created equal - and that was significant but an SSD in a Thunderbolt enclosure tested as fast as when I installed it internally. One thing is certain - for the 2012 with Yosemite, the SSD made a bigger difference than the 8GB RAM in my usage tests and both upgrades created a very enjoyable computer. One thing is certain - Apple did us no favors by making the new mini basically unupgradeable.
I hear ya. My 2012 Mini's HD is quite a bottleneck, but fortunately, I don't think that matters for my intended use. I found that even running it from a 7200 rpm HD in an external FW800 enclosure was zippier than running off the internal drive. Thunderbolt must make a huge difference. Apparently you can get at the HD in the new model, but you need a TR6 Torx Security screwdriver to get into the Mini. The iFixit teardown does not look like fun.
According to a someone I know who does certified repairs on Macs, improperly-installed and/or incorrect RAM accounts for quite a few problems, so the move to soldered RAM will eliminate that possibility. But it's disappointing to those of us who are careful about such things. -
Since installing LTR 5.4, which I've now upgraded to 5.6, I've encountered repeated slowness and malfunctions in operations, especially when using the Compare View function and the Tab key to open and close the right and left side panels. Such problems never arose during two years of using LTR-4 and nothing else has changed on my computer. I have a pretty simple system with only a few plug-ins, which are usually not in operation. I have 12GB of RAM in my Windows 7 PC. I could illustrate these problems with screen shots if you would tell me how to submit screen shots. Otherwise I will try to describe the problems in words.
The problem is clearly cumulative, growing worse as usage time passes. Compare View feature gradually slows down and eventually seems to choke as my work session proceeds. If I Exit LTR and re-enter and start all over, things will work normally for maybe 30 minutes, but then the Compare View feature begins to become very slow to respond. In a recent example with my screen full of thumbnails in Library mode I highlighted two images to compare. LTR started to open the Compare View screen by first having the top row of thumbnails disappear to be replaced by the "SELECT" and "CANDIDATE" words in their spaces (but no images), but Compare View never succeeded in gaining control of the screen. After some seconds the top row of thumbnails reasserted its position and the Compare View windows disappeared. But LTR kept trying to bring them back. Again the top row of thumbnails would go away, Select and candidate would reappear, try again, and give up. This went on for at least 2-3 minutes before I tried to choose File and Exit, but even that did not initially want to respond. It doesn't like to accept other commands when it's trying to open Compare View. Finally it allowed me to exit.
To experiment I created a new catalog of 1100 images. After 30-40 minutes, the Compare View function began to operate very slowly. With left and right side panels visible and two thumbnails highlighted, hitting Compare View can take half a minute before the two mid-size images open in their respective SELECT and CANDIDATE windows. When the side panels are open and two images are in the Select/Candidate spaces, hitting the Tab button to close the side panels produces a very delayed response--25-30 seconds to close them, a few more seconds to enlarge the two images to full size. To reverse the process (i.e., to recall the two side panels), hitting Tab would make the two sides of the screen go black for up to a minute, with no words visible. Eventually the info fields in the panels would open up.
I also created a new user account and imported a folder of 160 images. After half an hour Compare View began mis-placing data. (I have a screen shot to show this.) CANDIDATE appears on the left side of SELECT, whereas it should be on the right. The accompanying camera exposure data appears almost entirely to the left of the mid-screen dividing line. Although the Candidate and Select headings were transposed, the image exposure data was not, but the data for the image on the right was almost entirely to the left of the line dividing the screen in two.
Gurus in The Lightroom Forum have examined Task Manager data showing Processes running and Performance indicators and they see nothing wrong. I could also send screen shots of this data.
At this point, the only way I can process my images is to work 30-40 minutes and then shut down everything, exit, and re-start LTR. This is not normal. I hope you can find the cause, and then the solution. If you would like to see my screen shots, tell me how to submit them.
Ollie
[email protected]Since installing LTR 5.4, which I've now upgraded to 5.6, I've encountered repeated slowness and malfunctions in operations, especially when using the Compare View function and the Tab key to open and close the right and left side panels. Such problems never arose during two years of using LTR-4 and nothing else has changed on my computer. I have a pretty simple system with only a few plug-ins, which are usually not in operation. I have 12GB of RAM in my Windows 7 PC. I could illustrate these problems with screen shots if you would tell me how to submit screen shots. Otherwise I will try to describe the problems in words.
The problem is clearly cumulative, growing worse as usage time passes. Compare View feature gradually slows down and eventually seems to choke as my work session proceeds. If I Exit LTR and re-enter and start all over, things will work normally for maybe 30 minutes, but then the Compare View feature begins to become very slow to respond. In a recent example with my screen full of thumbnails in Library mode I highlighted two images to compare. LTR started to open the Compare View screen by first having the top row of thumbnails disappear to be replaced by the "SELECT" and "CANDIDATE" words in their spaces (but no images), but Compare View never succeeded in gaining control of the screen. After some seconds the top row of thumbnails reasserted its position and the Compare View windows disappeared. But LTR kept trying to bring them back. Again the top row of thumbnails would go away, Select and candidate would reappear, try again, and give up. This went on for at least 2-3 minutes before I tried to choose File and Exit, but even that did not initially want to respond. It doesn't like to accept other commands when it's trying to open Compare View. Finally it allowed me to exit.
To experiment I created a new catalog of 1100 images. After 30-40 minutes, the Compare View function began to operate very slowly. With left and right side panels visible and two thumbnails highlighted, hitting Compare View can take half a minute before the two mid-size images open in their respective SELECT and CANDIDATE windows. When the side panels are open and two images are in the Select/Candidate spaces, hitting the Tab button to close the side panels produces a very delayed response--25-30 seconds to close them, a few more seconds to enlarge the two images to full size. To reverse the process (i.e., to recall the two side panels), hitting Tab would make the two sides of the screen go black for up to a minute, with no words visible. Eventually the info fields in the panels would open up.
I also created a new user account and imported a folder of 160 images. After half an hour Compare View began mis-placing data. (I have a screen shot to show this.) CANDIDATE appears on the left side of SELECT, whereas it should be on the right. The accompanying camera exposure data appears almost entirely to the left of the mid-screen dividing line. Although the Candidate and Select headings were transposed, the image exposure data was not, but the data for the image on the right was almost entirely to the left of the line dividing the screen in two.
Gurus in The Lightroom Forum have examined Task Manager data showing Processes running and Performance indicators and they see nothing wrong. I could also send screen shots of this data.
At this point, the only way I can process my images is to work 30-40 minutes and then shut down everything, exit, and re-start LTR. This is not normal. I hope you can find the cause, and then the solution. If you would like to see my screen shots, tell me how to submit them.
Ollie
[email protected]
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