MultiProvider (How many objects can be attached?)

OK - I believe in 3.0 - 3.5 you were only allowed only 13 Cubes/ODS/Info-Object to be attached to a multiprovier - Does the same hold true for 7.0??

Hi Michael,
There are sevearl threads about this. I think there is no limit, but a recomendation by SAP that says that you should limit the number of base objects to a max of 10.
Hope this helps...

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In query, how many objects can include in structure

Hi expert,
In BEX query coloum, How many objects can include in structure.

Hi Sunil,
We can include maximum of 999 fields in one structure.
http://help.sap.com/saphelp_nw04/helpdata/en/4d/e2bebb41da1d42917100471b364efa/frameset.htm
Regards,
Venkatesh

How many photos can you attach in an email ??

Is there a limit to the number of photos you can attach to an email? I've found when I try to send more than 5, my Iphone wont let me select any ... but accept if I keep it to five. This is for IPhone 6.
Thanks

That's up to your email provider, and the limit is the total size of the email. Usually it must be under 10 MB, which is about 5 photos.

Are there limits as to how many objects can be selected?

I'm working on a map of the area of where I work. I imported an Autocad file into an EPS file, then I saved it as an AI file. I am trying to group the roads and after grouping several objects, I keep getting an error saying that I can't group the objects. What gives?

So you're trying to group groups? This tends to be questionable in AI. You may find it easier to use layers to sort items into quasi-groups and select all from there.

How many photos can I send at a time?

It seems like only one at a time. Some times two?
I tried to send multiple photos by text [5 pictures]
It wouldn't send. No notification or anything. I don't like to send it one at a time. Not cool!!!!!!!!!
Is it just my phone? Can anyone else send multiple pictures? Would love to know.

TheGreatOne wrote:
Wildman wrote:
There is a 1.2 mb size limit on sending files, the size of files determine how many files can be attached and sent. Here is a post I found over on Incredible area about this issue, check it out... http://community.vzw.com/t5/DROID-Incredible-by-HTC/video-size-limit-on-MMS-htc-incredible/td-p/202887
Just curious,does this include email too? like same size limits when sending by email through the messaging app
From what I have understood about the email client , it responds off the email providers size limit when sending email but sending larger files from your device without using wifi may take forever to complete, I have sent out 5-6 mb presentations through my yahoo accounts that originally have a 10 mb limit but it is wiser to use wifi to send files of this size because if signal is weak or lost file can sometime become corrupt but it appears that they still send.

How many Objects created??

Hi Friends,
I am really confused with this question,can someone please tell me how many objects would be created by the following code??My answer is two("java" on the heap and the normal new String() Object),am i right???
public class Objects{
public static void main(String[] args)    {
    String one = "Java";
    String two = "Java";
    String three = "J" + "a" + "v" + "a";
    String four = new String("Test");
}Thanks

Probably not, since all the operands are string
literals. The compiler probably sees that and instead
generates the same bytecode that it would have if it
had been coded as: "Java" in the first place. But
again, still stupid and pointless.just what i wanted to say but was a bit slow. maybe it's stupid and pointless,
but for grins, i am attaching the constants pool from the class file that was
obtained by compiling the code in post 1 with Sun's compiler. I don't see any
"J" or "a" or .........
pool index: 1 type: 10 class index: 7 name index: 16 value: null
pool index: 2 type: 8 class index: -1 name index: 17 value: null
pool index: 3 type: 7 class index: -1 name index: 18 value: null
pool index: 4 type: 8 class index: -1 name index: 19 value: null
pool index: 5 type: 10 class index: 3 name index: 20 value: null
pool index: 6 type: 7 class index: -1 name index: 21 value: null
pool index: 7 type: 7 class index: -1 name index: 22 value: null
pool index: 8 type: 1 class index: -1 name index: -1 value: <init>
pool index: 9 type: 1 class index: -1 name index: -1 value: ()V
pool index: 10 type: 1 class index: -1 name index: -1 value: Code
pool index: 11 type: 1 class index: -1 name index: -1 value: LineNumberTable
pool index: 12 type: 1 class index: -1 name index: -1 value: main
pool index: 13 type: 1 class index: -1 name index: -1 value: ([Ljava/lang/String;)V
pool index: 14 type: 1 class index: -1 name index: -1 value: SourceFile
pool index: 15 type: 1 class index: -1 name index: -1 value: Objects.java
pool index: 16 type: 12 class index: 9 name index: 8 value: null
pool index: 17 type: 1 class index: -1 name index: -1 value: Java
pool index: 18 type: 1 class index: -1 name index: -1 value: java/lang/String
pool index: 19 type: 1 class index: -1 name index: -1 value: Test
pool index: 20 type: 12 class index: 23 name index: 8 value: null
pool index: 21 type: 1 class index: -1 name index: -1 value: Objects
pool index: 22 type: 1 class index: -1 name index: -1 value: java/lang/Object
pool index: 23 type: 1 class index: -1 name index: -1 value: (Ljava/lang/String;)Vwalker

How many users can connect to a shared drive on a non-server workstation?

How many users can connect to a shared drive on a non-server workstation? We're waiting for our server to arrive and in the interum we're using a Pegasus 2 R6 attached to an iMac running Mavericks as our fileserver. It's been sketchy, the connection to the server being dropped once in a while or the inability to mount the drive after a week of success. The Pegasus we're using now will be attached to a server once it arrives. For now I need to figure what's coausing trouble before I commit to this being our main storage as planned. The data is backed up every night so I'm not worried, its the usability issues. 5-7 people are mounting this drive and opening/saving at the same time. Is there a limit to Maverick's fileserving ability that may be causing this? Understandable if so.

The file server in the client version of OS X has a default limit of 10 simultaneous connections. That limit can be raised by installing OS X Server, or lowered by setting a hidden preference. Assuming you've done neither, you may be able to solve the problem temporarily by stopping and restarting file sharing in the Sharing preference pane, or permanently by setting another hidden preference on the server to break idle connections quickly.
defaults write /Library/Preferences/com.apple.AppleFileServer idleDisconnectOnOff -bool YES
Stop and restart file sharing. To reverse the change, run this command in the same way:
defaults write /Library/Preferences/com.apple.AppleFileServer idleDisconnectOnOff -bool NO
Credit for this solution to ASC member suter:
this file server will not allow any additional users to log on

How many tasks can I have in NI-DAQmx system?

I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
I am designing a new test platform that will run on C# (because we like object oriented text based programming and because the IDE is free). For hardware we'll use your PXI modules (because your hardware is ultra-reliable). I'm starting with the following PXI modules 6259, 4072, 6509, 2575, and 2569, but we made add other modules later as future requirements demand. I am doing the system software architecture now. I've done some dabbling with Ni_daqmx, and I loathe "tasks" and "channels", but am determined to make them work.
The difficulty I'm having revolves around the overhead with setting up tasks and channels and with the concept of tasks and channels. Help hasn't helped much. Tasks seem to work great if you intend to always collect the same large amount of data from many sources and always will do it in exactly the same way.
We want something much more akin to random access memory. We'll have UUTs of different kinds coming on and off at random times. Sometimes a test will need a simple DC voltage, and other times another test will need 2 seconds worth of data at 1MS/s. It can cost around 150msec to make that change (stop the current task, creat another one, configure anohter channel, start up a new task, blah, blah, task this, channle that - for the life of me I can't understand what this damn taks concept does for me but make matters more complicated and bog down my system).
I can just barely glean from the help that I can have only one analog input task at once, but I can have sevferal taks of several different kinds running at the same time ( a digital output task and another task for digital input, and another task for analong input, etc.) . It does seem that I can set realys without having to put them into a channel and a task (Thank goodness for that - I just wanna turn on a relay I have no idea what a relay "channel" might be.)
In the PXI system I described above I'll have two devices that are analog input devices, the DMM and the Daq. Even with two devices, can I only have one analog input task running? Does that mean I've got to waste 150msec just to switch from the DMM to the Daq? (Do you understand my frustration with "tasks"? - I should be able to say "read DMM" and turn around and say "read Daq channel 0" without having to jump thru task and channle hoops and waste a bunch of time doing it).
I'll also have Daq digital IO and two 6509 digital io modules. Do I have to cram all of that into some "task" concept too? The Daq card has got many other kinds of wonderful capability (frequency measurement, counters, analog output). How many tasks can I have for that stuff? On the DMM card I can measure capacitance amoung other things. Will I have a capacitance task? The idea of a "capacitance task" hurts my head.
Golly I hate tasks. Please help.
I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
Dave

Dave,
Thanks for posting to the NI Forums.
For the good of the community we like to keep conversations that start of the forums on the forums rather than moving to email. If you want to move to email support I recommend contacting NI through the email route.
I will answer your questions here. If you need more direct contact please feel free to contact us through [email protected].
For some the concept of tasks may seem daunting, however, for many applications it makes life a lot more simple. A task at a very fundamental level is simply a collection of channels with a single type (AI, DI, DO, etc.) and a single timing configuration (sampling rate, continuous vs. finite, etc.). It is a way to organize configuration data.
The concept of a task is an abstraction like OO programming. Like OO programming it may take some time to understand but can be a time saver in the end. Also like OO programming it does add some initial programming overhead. It is much more simple to simply type a printf statement in C than to have to create a bunch of classes just to output text to the screen. You can accomplish the same thing not using OO programming, but in the end OO programming is extremely useful, because it groups useful information and methods together in one place.
With very simple applications OO programming sometimes does not make sense. But as a program gets more and more complex OO programming becomes more and more useful. It takes some learning but it is worth it.
I believe the concept of a task does the same thing. It does not change the actual functionality of the device or add excessive overhead. It is just an abstraction that pulls configuration data about a specific "task" and methods the task can perform into a single logical place.
Unlike the entirely abstract concept of an Object, a Task is run on a physical device and therefore has physical limitations. You can create multiple tasks of the same type, but you can only run a one timed task of each type on a single board at a time. In other words you can have multiple AI tasks running at the same time but they need to run on different boards or only one can be timed (have a rate). You can also have multiple timed AI tasks configured for a single board but only one can actually be running at a time.
The reason you can only have a single timed task running at a time is because the M-Series boards (and many other boards as well) have a single timing engine for each type of acquisition or generation. There is a single timing engine for AI, one for AO, and so forth. You cannot have channel 1 running at 1 MS/s and another running at 50 kS/s.
However, tasks can exist even when they are not being actively run. You can create all the tasks you need at the beginning of your program and simply start and stop them as you need. After the task is stopped you do not need to clear the task until the end of your program. You can further increase performance by moving the Task into the latest state possible without actually starting the task. This can be done by calling myTask.Control(TaskAction.Action). The Task states are further explained in the NI-DAQmx Help Manual.
The concept of a task will need to be used with any device that is being programmed using NI-DAQmx. The 6259 and 6509 will need to be programmed using DAQmx. With the 2575 and 2569 you have the choice of either using the NI-DAQmx API or the NI-SWITCH API. The SWITCH API does not use the concept of tasks. For the 4072 you will need to use the NI-DMM API. This API also does not use the concept of tasks.
Hopefully this information is helpful. Let me know if you have any additional questions or concerns.
Regards,
Neil S.
Applications Engineer
National Instruments

How many people can log into a G5 at the same time.

Thanks in Advance.
I am using a G5 as a server with external drives attached. I get a message from time to time that says "too many users are logged in at once", is there a limit to how many people can log into a G5 at once ?
All are on different users, and it's a total gigabit network.
Message was edited by: apple2x3x5
Message was edited by: apple2x3x5

is there a limit to how many people can log into a G5 at once ?
Ten, unless you're using a version of Mac OS X Server which has no limit.
(38596)

How many monitors can you run?

How many screens can you daisy chain on the MacBook Pro 15" 2013?

Hi barker2405,
Welcome to the Support Communities!
If you have a thunderbolt port on your computer, this article will explain the various configurations for attaching external monitors.
Thunderbolt ports and displays: Frequently asked questions (FAQ)
http://support.apple.com/kb/HT5219#2
Cheers,
- Judy

How many itens can I put inside a JComboBox or JList?

How many itens can I put inside a JComboBox or JList?
Thanks
Renato de Melo

Lots. I have put 10,000 in one, for example. !!! ComboBox with 10,000 items how did you solved
scrolling slow down problem in ComboBox.
I'm trying for weeks to speed up JComboBox
what I did was
1) I've created custom model with sorted
items and I'm using binarySearch for getting and setting
items in model this greatly improved performance
2) I'm using setPrototypeDisplayValue(Object obj)
function
but still scrolling with arrow keys and PgUp,PgDown
is too slow especialy in the end of the list.
Any ideas ?

How many Objects are created in this?

Hi,
How many objects are created in the flwg code:
String str = new String("Hello");
String str2 = "Hey there";
str = str + str2;

Depends if you're counting objects created at compile time.
"Hello" is created at compile time. That's 1.
new String("Hello") creates a new String object at runtime, pointing its backing array at the "Hello" in the constant pool. That's 2.
"Hey there" is created at compile time. 3.
str + str2 I might do everything at compile time, or it might do some at runtime. I don't know if str is considered a compile time literal here. I think not, but I'm not sure. You can check by using javap. If I'm correct, then at runtime you'll create a StringBuffer (4) and another String (5).
So I'd say 5 objects. But if the compiler treats str as a literal and therefore can do the str+str2 at compile time, then it might do so without creating the StringBuffer. Or it might still create it at compile time, use it, and throw it out.

How many APs Can I join a WLC 4402 and WiSM?

I have a WLC with 20 APs joined into the same management VLAN and
I'll deploy other campus with 240 APs and 2 WiSMs Blade.
Is there any recomendation about how many APs Can I put on the same management VLAN?
thanks a lot

Cisco recommends 60 - 100 access points per vlan. Attached is the best pratices document
https://cisco.hosted.jivesoftware.com/docs/DOC-4204

How many databases can be opened simultaneously in a single file?

To all:
I don't known how many databases can be opened simultaneously in a single file. After my application open 499 databases in a single file simultaneously, DB->open return error 12.(can not allocate memory ?).
How can i do ? Thanks.

I found it:
Berkeley DB Reference Guide:
Locking Subsystem
PrevRefNext
Configuring locking: sizing the system
The lock system is sized using the following three methods:
DB_ENV->set_lk_max_locks
DB_ENV->set_lk_max_lockers
DB_ENV->set_lk_max_objects
The DB_ENV->set_lk_max_locks, DB_ENV->set_lk_max_lockers, and DB_ENV->set_lk_max_objects methods specify the maximum number of locks, lockers, and locked objects supported by the lock subsystem, respectively. The maximum number of locks is the number of locks that can be simultaneously requested in the system. The maximum number of lockers is the number of lockers that can simultaneously request locks in the system. The maximum number of lock objects is the number of objects that can simultaneously be locked in the system. Selecting appropriate values requires an understanding of your application and its databases. If the values are too small, requests for locks in an application will fail. If the values are too large, the locking subsystem will consume more resources than is necessary. It is better to err in the direction of allocating too many locks, lockers, and objects because increasing the number of locks does not require large amounts of additional resources. The default values are 1000 of each type of object.
When configuring a Berkeley DB Concurrent Data Store application, the number of lock objects needed is two per open database (one for the database lock, and one for the cursor lock when the DB_CDB_ALLDB option is not specified). The number of locks needed is one per open database handle plus one per simultaneous cursor or non-cursor operation.
Configuring a Berkeley DB Transactional Data Store application is more complicated. The recommended algorithm for selecting the maximum number of locks, lockers, and lock objects is to run the application under stressful conditions and then review the lock system's statistics to determine the maximum number of locks, lockers, and lock objects that were used. Then, double these values for safety. However, in some large applications, finer granularity of control is necessary in order to minimize the size of the Lock subsystem.
The maximum number of lockers can be estimated as follows:
* If the database environment is using transactions, the maximum number of lockers can be estimated by adding the number of simultaneously active non-transactional cursors open database handles to the number of simultaneously active transactions and child transactions (where a child transaction is active until it commits or aborts, not until its parent commits or aborts).
* If the database environment is not using transactions, the maximum number of lockers can be estimated by adding the number of simultaneously active non-transactional cursors and open database handles to the number of simultaneous non-cursor operations.
The maximum number of lock objects needed for a single database operation can be estimated as follows:
* For Btree and Recno access methods, you will need one lock object per level of the database tree, at a minimum. (Unless keys are quite large with respect to the page size, neither Recno nor Btree database trees should ever be deeper than five levels.) Then, you will need one lock object for each leaf page of the database tree that will be simultaneously accessed.
* For the Queue access method, you will need one lock object per record that is simultaneously accessed. To this, add one lock object per page that will be simultaneously accessed. (Because the Queue access method uses fixed-length records and the database page size is known, it is possible to calculate the number of pages -- and, therefore, the lock objects -- required.) Deleted records skipped by a DB_NEXT or DB_PREV operation do not require a separate lock object. Further, if your application is using transactions, no database operation will ever use more than three lock objects at any time.
* For the Hash access method, you only need a single lock object.
For all access methods, you should then add an additional lock object per database for the database's metadata page.
Note that transactions accumulate locks over the transaction lifetime, and the lock objects required by a single transaction is the total lock objects required by all of the database operations in the transaction. However, a database page (or record, in the case of the Queue access method), that is accessed multiple times within a transaction only requires a single lock object for the entire transaction.
The maximum number of locks required by an application cannot be easily estimated. It is possible to calculate a maximum number of locks by multiplying the maximum number of lockers, times the maximum number of lock objects, times two (two for the two possible lock modes for each object, read and write). However, this is a pessimal value, and real applications are unlikely to actually need that many locks. Reviewing the Lock subsystem statistics is the best way to determine this value.
I created DB_CONFIG file, and add three lines:
set_lk_max_locks 20000
set_lk_max_lockers 20000
set_lk_max_objects 20000
As the default values are 1000 of each type of object, my applicaton open 499 database(except internal database) simultaneously(CDB modal) . After changed parameters, my application opend above 6000 database.

How Many Objects Are Selected

How can I tell how many objects are selected when I draw a selection marque around multiple objects?

Open the Document Info Palette.
Find its secret little flyout menu.
Select from that menu "Objects".
Let go.
Then go to that same menu all over again and select "Selection Only".
Scroll through the list and sum the quantities shown. Except be careful not to include the count of "All Text Objects" with the counts of "Point Type Objects", "Area Type Objects", and "Type On A Path Objects".
Repeat those steps every time you start a new work session in AI, because AI's palettes can't remember the way you set them between launches.
How could you have overlooked that intuitive and straightforward routine?
JET

MultiProvider (How many objects can be attached?)

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