Variable length playlist to fill remaining space on iPod?

My Nano always has some room left after I've synced my selected playlists. Is there a way to get iTunes to fill the remaining space on the Nano - perhaps using a variable length smart playlist?
(I know I could create one giant playlist that draws from my individual playlists and set the size equal to the Nano, but that won't work for me - I need individual playlists for the Nano to work in my car).
Thanks.

Also, it seems that iTunes is not smart enough to -remove- songs when you add something new, i.e. movies or podcasts, and will constantly tell you that the iPod is full. That results in having to un-check the option, remove every song 'automatically added', add the new content, then re-check the "fill free space" box. Did no one actually test this feature or is it done on purpose to wear out your iPod quicker?

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Help with "Automatically fill empty space on ipod" Function in itunes

I am having an issue I don't understand when trying to sync my ipod. I go into the "music" tab where it allows you to select the music you want on the ipod. In addition to selecting playlists, artists, genres, etc. there is a box you can check that says "automatically fill free space with songs." I select a playlist with only a few albums on it which leaves me with a good deal of free space. My assumption was that checking this box would RANDOMLY choose songs (or albums?) in itunes to fill up the free space. However, when I do this it fills up the free space with the *exact same songs/albums every time*! The only thing I have checked off is the 1 playlist so I don't understand why it keeps choosing the same albums and songs to fill up the free space. I want it to just randomly choose songs from my entire music collection to fill up the free space. any help is appreciated!!

Also, it seems that iTunes is not smart enough to -remove- songs when you add something new, i.e. movies or podcasts, and will constantly tell you that the iPod is full. That results in having to un-check the option, remove every song 'automatically added', add the new content, then re-check the "fill free space" box. Did no one actually test this feature or is it done on purpose to wear out your iPod quicker?

How can I add dots after text to fill the remaining space in a table cell?

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How to deal with variable length data struct in C/JNI

I have another JNI related question. How do you handle variable length
data structures in Java and pointer to a pointer?
Basically, I have a backend in C which has records but we don't know
how many. The API looks like
typedef struct rec_list_s {
int rec_list_cnt;
rec_list_data_t rec_list_data[1];
} rec_list_t;
int rec_list_show(void handle, rec_list_t *list_ptr);
/* Code snippet for rec_list_show */
int rec_list_show(void handle, rec_list_t *list_ptr)
rec_list_t *ptr;
sz = sizeof (rec_list_t) +
((record_count - 1) * sizeof (rec_list_data_t));
ptr = malloc(sz);
/* fill the data */
*list_ptr = ptr;
return (0);
So I need to wrap rec_list_show() in JNI call so I can have Java call
it. How do i pass a pointer to a pointer from Java? I tried in the
native C code for JNI to return the pointer to pointer as a result
and store in a member in the Java class rec_list_t and then I pass
that to JNI call for rec_list_show. The C backend code was fine
since it got the pointer to pointer but Java become unhappy when
the object it was referencing changed memory location (I suspect
the garbage collection becomes unhappy).
So what would be a good way to deal with this kind of code?
Thanks,
Sunay
Edited by: st9 on Aug 30, 2010 5:47 PM

I did not imply that you don't know C but you are implying that I don't understand C. Perhaps
google Sunay Tripathi and click I am feeling lucky so that we don't get into teaching C
discussions :) On the other hand, I am definitely looking for someone to teach me Java
otherwise I wouldn't be asking.
Anyway, let me explain again. The sample function rec_list_show() runs on the backend. It
is a different process with a different VM space. It of course knows the size of the array
and what to fill in. As a caller to that API (which is a separate process), I don't know
what that size is but I need to get the size and corresponding data in one shot because
the backend locks the table when its providing me the info to make sure its synchronous.
Now I (the Java process) needs to get that count and data in one shot. Since the C library
underneath me (wrapped around my JNI interface) has private IPC mechanism to copy
the contiguous memory from the backend into my memory space, all I need is to provide
a pointer to a pointer which gets filled in by backend and is available to my process. So
my equivalent C frontend just passes a pointer to a pointer and casts the return value in
rec_list_t. The rec_list_cnt tells it how many members it got. The first member is part of
the struct itself but then following members are right after.
Another way to help you understand this is with this code snippet from front end C program
rec_list_t     *ptr, *save_ptr;
rec_list_data_t *data_ptr;
int          cnt;
save_ptr = ptr = malloc(sizeof(rec_list_t));
rec_list_show(handle, &ptr);
assert(save_ptr != ptr);
cnt = ptr->rec_list_cnt;
for (i = 0; i < cnt; i++) {
     data_ptr = &ptr->rec_list_data;
Notice the assert(). Also notice the for loop. How do I expect to walk more that one
member when rec_list_data is a fixed size array of one member?typedef struct rec_list_s {
     int               rec_list_cnt;
     rec_list_data_t          rec_list_data[1];
} rec_list_t;
Anyway, I do understand that Java will not allow me to get a reference to a long and
how Java memory management works. But the JNI native implementation is C
and I was wondering if people have managed to do some tricks there between C
and Java.

ITunes bug using "Automatically fill free space with songs"

Using iTunes 10.1.0.54 on Windows 7 I've encountered an issue when using the "Automatically fill free space with songs" option with any of my iPod devices.
The first time I synchronized my iPod using this option everything worked as expected - all the music from my selected playlists was transfered to the device as well as "random" music to fill the remaining space.
However once I changed the content of the selected playlists and tried to synchronize the device again I got an over capacity warning since the selected music list was now larger than before.
The only way to properly get my iPod to sync again was to deselect the "Automatically fill free space with songs" option, sync (removing all the extra songs), then re-enable the auto fill option and sync again.
From a usability point of view this shouldn't be the expected behaviour. When the selected music set grows iTunes should randomly deselect music from the "auto fill" list on the iPod to allow the user to successfully sync their device.
Is this really the intended behaviour from Apple or is this a bug in iTunes?

you can report bugs to Apple via this site.
JGG

Getting a C variable length array

Hello,
I'm working on a DLL library. One of the functions should return to LabView a lot of data.
By the moment I'm doing something like this (using 'by reference' parameters):
int getDataFromC(int* data1, char* data2, double* data3);
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The problem is that part of the data that comes from the DLL are arrays. These arrays are generally variable length arrays. Each array always comes with other value, which describes the length of the array. So the returned array can change its length.
By the moment I'm assuming LabView allocates enough memory to let the C code writes all the array data. But it's not a good practice...
For example:
int getArrayFromC(int* len, int array[]);
The C code writes the length value to the '*len' variable to inform LabView the size of the array, and writes the N ints to the array (assuming there is enough space allocated by LabView).
What's the array's length that LabView uses in this case?
On the other hand, I'd prefer to use something like:
int getArrayFromC(int* len, int* array[]);
In this case I can control the length of the array. It is a array-by-reference situation. I could change the array used by LabView.
What do you recommend? I just need to get a variable length array.
Thanks!
Mauricio

LabVIEW allocates as much memory for an array as is needed. They are always variable length, as LabVIEW dynamically resizes the array if you add to it. However, when you call a DLL, the DLL cannot tell LabVIEW to increase the size of the array as it builds it. So, the array needs to be large enough for the DLL to fill it up, or you could cause memory corruption/crashing.
Depending on how your DLL has been written, you may be able to use the DLL to help you. A lot of times, you specify the length as an input with the array, and the DLL checks to see if you have enough memory allocated. If not, then the call generates an error, and the output of the len input is how big an array is needed. So, you make a call with a size that typically is going to be large enough, and check for the error. If you get the error, then you resize your LabVIEW array, and call the function again to get all the data. Another option is to always call it with 0 elements, knowing you will get an error, then allocate the array.
If the DLL has not been written to verify you have specified enough memory, then you need to allocate an array you believe is big enough.

File Sender, Content Conversion - how to define variable length last field?

XI 3.0 SP17
With a File Sender communication channel, that uses Content Conversion - how do I define a 'variable length' last field?
The scenario - the input file has four fields, of which the first three are a known fixed length, and the last (fourth, trailing) field is variable in length.
Using a Message Protocol of 'File Content Conversion', how do I define that last variable length field (field name 'WOData' below) in the Content Conversion Parameters section?
My current parameters are:
Recordset Structure - Row,*
ignoreRecordsetName - true
Row.fieldFixedLengths - 1,12,5,99999
Row.fieldNames - WOType,WONum,WOLine,WOData
I've tried the following for 'Row.fieldFixedLengths' to no avail -
'1,12,5,*'
'1,12,5,0'
'1,12,5,'
'1,12,5'
The last two were grasping at straws )
The only thing I've got to work is specifying a 'large' value for the final field (99999 above).
In addition, does anyone know if specifying a large value (e.g. 99999) for the final trailing field will give rise to performance issues when the file is being processed?
In the help for "Converting File Content in a Sender Adapter", it states -
<Begin Quote>
NameA.fieldFixedLengths
If you make a specification here, the system expects a character string that contains the lengths of the structure columns as arguments separated by commas.
If you also specify a separator for the columns, you must not add its length to the length of the columns.
This entry is mandatory if you have not made an entry for NameA.fieldSeparator.
<End Quote>
http://help.sap.com/saphelp_nw04/helpdata/en/2c/181077dd7d6b4ea6a8029b20bf7e55/content.htm

<< note that fieldFixedLengths will not take any wildcard entries like *. So in these case it is ideal to provide a maximum char length. But note that while the file is being created that many spaces will be created in your file !!! >>
Hi Shabarish,
Yes, no wildcard is the conclusion I came to, hence my maximum )
The message size did not increase by any 'blank padding'. When I look in [Message Display Tool (Detail Display)] 'Audit Log for Message: X' -
2006-10-17 18:22:42 Success Channel X: Entire file content converted to XML format
2006-10-17 18:22:42 Success Send binary file "X" from FTP server "X", size 103290 bytes with QoS EO
2006-10-17 18:22:42 Success Application attempting to send an XI message asynchronously using connection AFW.
2006-10-17 18:22:42 Success Trying to put the message into the send queue.
2006-10-17 18:22:42 Success Message successfully put into the queue.
2006-10-17 18:22:42 Success The application sent the message asynchronously using connection AFW. Returning to application.
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Needed? Option to Fill Empty Space with Podcasts When Synching to a Device

Hello,
With the new 32 GB capacity of the iPhone 4, I find that I have a lot of remaining space after selecting 10 latest unwatched podcasts. On the other hand, if I select all unwatched podcasts to download, I get a warning that I have exceeded the capacity of the device.
It would be nice if, in iTunes, the following options existed:
1. Fill the empty space with selected podcasts
2. Select 20 unwatched videos from the dropdown (in addition to the other existing options)
3. Enter the number of podcasts the user wants to download for all podcasts.
4. Enter the number of each type of podcast the user wants to download.
There is an option to fill unused space with music, but no similar option for podcasts.
I have submitted to http://www.apple.com/feedback, but I wonder if anyone else has this issue?

AC Adam wrote:
The only way I can think of to work around this might be to dump a lot of photos on the phone when syncing such that they take up an extra amount of space, then manually delete them from the phone interface once I get done.
That or add an App or Apps to take up the space.
I would think there is more eloquent way to do this with through either iTunes or the iPhone.
Nope.

"Automatically fill free space with songs" omits half my music

This is a bizarre bug that I can't figure out. The "Automatically fill free space with songs" option on both my iPods and my iPhone will only select from songs that were in my iTunes library as of November 2009, about 7 months ago. I know this because I began importing a large portion of my CD library at about that time, and have been expecting to be hearing some new material (like the entire Beatles box set). Instead, I'm getting replays again and again of songs that I know were in there from before 11-09.
Newer songs can definitely be imported as members of a synced playlist.
I tried a complete rebuild of the iTunes library files -- all that did was screw up my Smart Playlists and reset my "Date Added" field for all songs.
Does anyone have any clue on this?

Ah, it looks like the solution is here:
http://discussions.apple.com/thread.jspa?messageID=12209799&#12209799
And involves going to the summary tab, selecting "manually sync music" then deleting all of my songs and resyncing. That shouldn't take more than 45 minutes. I'll report back if it works.

"Automatically fill free space" & Selected Artists

When syncing my iPod, I have the "Selected playlists, artists..." radio button checked so I'll be sure to get my favorite music. I also have the "Automatically fill free space with songs" box checked so my iPod will be full...however, I just added a new artist to my library, selected that artist to be synced, and iTunes told me there was not enough space to transfer a couple of that artist's songs. So my question is this: why doesn't iTunes delete a couple of the songs I haven't specifically told it to sync, so I can get my favorite new artist? Is there an option I'm missing, or is this just iTunes just being iTunes? I guess for now I'll uncheck the "Automatically fill..." box, sync, then re-check it and sync again, but that is frustrating since I'll have to re-sync about 70GB of music to do so...
Thanks for any suggestions.

Hi sawpaw,
One of the new features of iOS 7 is the ability to show all of your purchases in your Music Library.
Click on the link below to see page 62 of the iPhone User Guide for iOS 7
http://manuals.info.apple.com/MANUALS/1000/MA1565/en_US/iphone_user_guide.pdf
You can change the Settings > iTunes & App Store to turn this feature off for Music
Cheers,
- Judy

Variable Length

Hi
what is the maximum length a string variable can hold? say i want a variable zname to hold a string of 10,000 characters is it posible? kindly advice. if not what is the other way of doing it?

Hiii Prabhu,
though a string can generally store 256 char(Normally we use this .) still the following documents will clear ur doubt and show u the corect path,
Open SQL supports three different types to store varying length character strings: VARCHAR, LONGVARCHAR and CLOB. Only columns of the VARCHAR type, whose maximum size is limited to 1000 characters, are allowed to occur in comparison expressions, ORDER BY clauses, and so on.
From a functional point of view, LONGVARCHAR and CLOB columns behave the same, but the size restriction imposed on the LONGVARCHAR type allows this type to be mapped to an appropriate VARCHAR data type on each supported database platform. On most database platforms, this type is more efficient than the respective CLOB type.
To store character strings with more than 1,333 characters, the CLOB type must be used.
For portability reasons, Open SQL does not permit the storage of empty (zero-length) strings in any of these column types, because on some database platforms the empty string is always treated as a NULL value, which would lead to different query behavior on different database platforms. Furthermore, Open SQL forbids the storage of string values with trailing blanks in VARCHAR and LONGVARCHAR columns. This is because comparison semantics differs between blank-padded and non-padded semantics on the various database platforms. Blank-padded semantics compares two strings as equal if they differ in the number of trailing blanks only that is, "ABC equals ABC , whereas non-padded semantics compares two strings as equal only if they have equal length and no differing characters that is, ABC is not equal to ABC .
If an application needs to represent something like an "initial" value in a VARCHAR or LONGVARCHAR column, it is recommended that you use the string " " (a String object consisting of one single space). Although this is, strictly speaking, also a blank-padded string, it is accepted by Open SQL and can be treated in a portable way across all supported database platforms. In the case of CLOB columns, an initial value can and should be represented as a NULL value explicitly.
Binary Strings
Open SQL for Java supports the following data types to store binary strings:
·        BINARY
·        LONGVARBINARY
·        BLOB
Only columns of the fixed BINARY type are comparable, whereas LONGVARBINARY and BLOB columns are not.
From a functional point of view, LONGVARBINARY and BLOB columns behave the same, but the size restriction imposed on the LONGVARBINARY type allows this type to be mapped to an appropriate VARBINARY type on each supported database platform. On most database platforms, this type is more efficient than the respective BLOB type.
To store binary strings with more than 2,000 bytes, the BLOB type has to be used.
With Open SQL for Java you cannot store empty (zero-length) binary strings in any of these column types, because on some database platforms the empty string is always treated as a NULL value. If you need to represent a custom initial value, you should either use some outstanding value in accordance with your application or consider storing a NULL value explicitly. In the latter case, you should be aware of the NULL value handling in SQL comparisons.
char(size)      Holds a fixed length string (can contain letters, numbers, and special characters). The fixed size is specified in parenthesis
varchar(size) Holds a variable length string (can contain letters, numbers, and special characters). The maximum size is specified in parenthesis
tinytext          Holds a variable string with a maximum length of 255 characters
text
blob               Holds a variable string with a maximum length of 65535 characters
mediumtext
mediumblob   Holds a variable string with a maximum length of 16777215 characters
longtext
longblob        Holds a variable string with a maximum length of 4294967295 characters

How can I 'fill free space with songs' AND keep some memory free?

I like the 'automatically fill free space with songs' option, but it leaves me with no room (or very little room) for taking photos and video. How can I keep some memory free?
Matthew

You'll probably need to backup or clone the remaining OS X partition, definitely clone the bootcamp partition then erase and reformat the drive. You'll need a 3rd party app.
Check out this thread:
https://discussions.apple.com/message/9076113#9076113

When iTunes automatically fills free space with songs....

When iTunes automatically fills free space with songs, where are these songs listed?
I am very nearly at my limit, so been deleting a few playlists but as I was doing that, it seemed to be filling back up again just as quick.
So I deselected the 'Automatically fill free space with songs' button, and the capacity has stayed exactly the same?
Thanks
James

When iTunes automatically fills free space with songs, where are these songs listed?
Under Songs, Artsts, Albums, etc.
They are not in any playlist.
I am very nearly at my limit, so been deleting a few playlists but as I was doing that, it seemed to be filling back up again just as quick.
That menas that it is working exactly as it should.
If you have select 2GB of playlists, iTunes will put 6GB on the iPod automatically.
So I deselected the 'Automatically fill free space with songs' button, and the capacity has stayed exactly the same
Nothing will change on the iPod until you sync it.

Orphaned Group Headers in Variable length Subreports.

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Post Author: hamish_sco
CA Forum: General
In Design View, right-click on the group header area on the left of the screen (in CR10 it is grey and has a list of page sections - RH, PH, D etc)Choose 'Change Group' optionOptions tab - Tick the 'Keep Group Together' option.When I did this I also had all the 'Keep Together' options in the Section Expert unchecked. This may or may not make a difference.CheersHamish

How to use datamerge with variable lengths of text?

Hello,
I'm looking for a way to automaticly format brochures from a database . I allready found out that datamerge lets you do this quite easily. But I encounter a problem when I use large amounts of text.
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Variable length playlist to fill remaining space on iPod?

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