What is the recommend best book to configure SD Module. Hard Copy or Web

Dear Friends,
we want to practice SD Module.
Could you please provide the recommended list.
Thanks

Hi Vivek,
Check the below link, from here you can purchase the books SD Module,
[http://www.sap-press.com/search.php?search_query=SD&x=0&y=0]
Thanks
Hrishi

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What is the recommended 'Best Practice' for retaining object instances

I have a window that is constructed in Interface Builder such that the 'File Owner' points to an instance of one of my classes. In this particular case, the entire interaction is between the window and the class instance (which has a file opened to a serial device with a radio at the other end which is being controlled).
Thee are other components of the application that have no interest in what goes on between the window and my class instance.
I'm also using 'garbage collection' memory management.
I can create the class instance which creates the window from the XIB definition and this works well. My understanding of what is happening in the background is that the application is keeping a reference to the window which in turn is keeping the 'File Owner' reference to my class instance. As long as the window is open, my class instance is also kept alive.
Now to my question: Is it OK to rely on this mechanism to keep my class instance alive, or should I also be retaining a pointer to my class instance from some other part of my program myself?
Thanks
Susan

Aussie Susan wrote:
Thanks for this etresoft - I've always maintained my own pointers, but an 'accident' while I was debugging some code (where I didn't set my own pointer but the class instance still remained, I'm assuming because of this mechanism) got me thinking as to whether this was a mechanism that could be relied on.
If you do some research on exactly how you are doing those connections, it may be safe. For example, when you call "NSThread detachNewThreadSelector:toTarget:withObject:" with a target of self, you can immediately release self because the thread will retain the pointer to self. When the thread goes away, the object that spawned it will be released. This is very handy.
I only do this because the documentation explicitly says this is what happens. In your case, I'm not so sure because you are dealing with Interface Builder elements such as the Window class. I'm not entirely sure what happens with a "one shot" window. There are details and options in Interface Builder that could impact your pointer lifetimes. It is safe only if you do the research and prove to yourself it is safe.
I only mentioned the garbage collection aspect because I knew that the retain/release calls do nothing (thanks for the reminder Orangekay) and I've stopped using them in my code. However, I wanted to avoid the "your instance will stay around until you 'release' it" answer.
You might want to consider leaving them in. If you leave them in, then the same code can be used in a non-garbage collected environment.

What is the recommended capacity for an external FW audio hard drive?

For a home studio recording mostly guitars and vocals

also make sure to get a Firewire drive running at 7200rpm not 5400rpm.
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What is the recommended computer configuration - PC - for premier pro

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Is there a risk of setting a console connection timeout and what is the recommended setting?

Is there a risk of setting a console connection timeout and what is the recommended setting? Please suggest if there is any best prctice documentation that can be referred.

Hi Henrik
depend on what you need or what your security policy says for my lab gear i use 60 minutes. because i know how can access this. if you have gear outside in insecure space set it to a minimum or disable the console. everybody how can access your gear can break in. simple restart and boot w/o config. and you are in.
it realy depends how secure is your space and how much security you need.
and than the settings for policy have to match, what sec do you have if your console login and logout is secure. but when you restart you can simple break in by starting w/o config and than load it.
HTH
Patrick

What is the recommended length of the cable in between the GPIB instrument and GPIB-USB card.

hi,
we are planning to use GPIB-USB Controller in our application by replacing the existing GPIB-PCI controller. Our GPIB instrument doesn't have the standard IEEE GPIB Connector. So, we will have to connect one more cable in between GPIB-USB controller and the GPIB Instrument. I just want to know what is the recommended lenth of the cable that can be connected in between the GPIB instrument and the GPIB-USB card. Could anybody please help me?
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Page 730 in the 2001 catalog gives detailed cabling requirements for the GPIB bus. It's usually best to keep the length 2meters or less.
Randy Solomonson
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What is the recommended way of connecting to repository out of WebDAV, RMI, JNDI and JCA connector ?

What is the recommended way of connecting to repository out of WebDAV, RMI, JNDI, and JCA connector possibilities provided by CQ 5.5?

Hi dp_adusumalli,
I recognized your list of ~8 questions you posted at around the same time, as I received that same list in our customer implementation from Arif A., from the India team, visiting San Jose. :-)
I provided him feedback for most of the questions, so please check back with Arif for that info.
For this particular question, can you provide specifics for the types of interactions you are interested in?
Understanding the kinds of things you need to achieve will help determine which of the CQ/CRX interfaces is best suited for the task(s).
I've collated a few points on this subject on this page:
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Regards,
Paul

What's the recommended guideline on backing up a recovery catalog?

while I understand "Benefits of Using the Recovery Catalog as the RMAN Repository" as stated in
http://download-uk.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmquick.htm#442214
as well as things to take note if using control file as the sole rman repository,
as stated in "Monitoring the Overwriting of Control File Records" in http://download-uk.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmrepos.htm#446924
I do not understand why in Backup and Recovery Advanced User's Guide
http://download.oracle.com/docs/cd/B14117_01/server.101/b10734/rcmrepos.htm
"Back Up the Recovery Catalog Often"
Even if you have to restore the recovery catalog database using a control file autobackup, you can then use the full record of backups in your restored recovery catalog database to restore the target database without using a control file autobackup for the target database.
=>probably implies that we can use another recovery catalog let's call it backupbackup to restore the recovery catalog
"Choosing the Appropriate Method for Physical Backups"
Follow these guidelines when developing an RMAN backup strategy for the recovery catalog database:
* Run the recovery catalog database in ARCHIVELOG mode so that you can do point-in-time recovery if needed.
* Set the retention policy to a REDUNDANCY value greater than 1.
* Back up the database onto two separate media (for example, disk and tape).
* Run BACKUP DATABASE PLUS ARCHIVELOG at regular intervals, to a media manager if available, or just to disk.
* Do not use another recovery catalog as the repository for the backups.=> this contradicts the previous statement
* Configure the control file autobackup feature to ON.
so may I know what's the recommended guideline on backing up a recovery catalog? should we use another recovery catalog to keep the rman repositories of the the main primary catalog or just use a control file autobackup feature?
thanks

I understand the question and the confusion.
Please note, however, that this forum is for discussing problems and errors with the documentation in general. Your question is related to a specific product and is, as far as I can tell, not a note about a documentation error or a correction.
The appropriate place to discuss this is the Database (General) forum or - perhaps surprisingly - the RMAN forum. These can both be found by
1) Clicking on the 'Forum Home' link at the top of this page;
2) Scrolling down to the category 'Database' (a category is identified by a special row format that does not list the number of topics)
3) Expanding the category by clicking on the 'More ...' link.
4) Scrolling down to the "Database - General" or "Recovery Manager" forum and clicking on it's link.
Note that forums have a search function that may be used to find answers if someone has already asked a similar question.

Do somebody knows what´s the recommended heigh to install an access point 1242 with external antennas 1728 on a flat area?

Do somebody knows what´s the recommended heigh to install an access point 1242 with external antennas 1728 on a flat area?And for example, if i use aps 3602 the heigh to install is the same?? BEST REGARDS

To determine the required height of an antenna tower over a hypothetically flat, spherical Earth, it's necessary to calculate the effect of the Earth's curvature, and then add a distance equal to 60% of the radius of the First Fresnel Zone. The table below shows the result of these calculations. Values have been rounded up to the nearest foot.
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25
10 Miles
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30
12 Miles
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14 Miles
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48
40
16 Miles
30 feet
53
45
18 Miles
40 feet
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20 Miles
50 feet
73
65
22 Miles
60 feet
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75
24 Miles
70 feet
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26 Miles
80 feet
103
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28 Miles
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123
115
32 Miles
125 feet
148
140
34 Miles
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173
165
40 Miles
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What is the recommended wlc image when running 1252 AP's

Hi,
we are about to setup a bunch of N accesspoints Cisco 1252 AP.
What is the recommended image to use on the wlc to get the best stability, least bugs and highest functionality?

Hi
I would recommend to go the latest version from series 5:
5-2-193-0.aes as the main image and 5-2-157-0-ER.aes as the emergency image.
It s stable in everything I tested personnally.
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Elie

What is the recommended way to do multiple channel, single point sampling for control with an NI PCI-6255 in RLP?

Hello,
I am writing a driver for the M-series NI PCI-6255 for QNX. I have downloaded the MHDDK and have all the examples working. I have also enhanced the examples to do interrupt handling (e.g. on AI_FIFO interrupt or DMA Ring Buffer interrupt). My ultimate goal is to write a driver that I can use for closed-loop control at 500 Hz using all 80 channels of the NI PCI-6255. I may also need to synchronize each scan with a NI PCIe-7841R card for which I've already written a driver. I want an interrupt-driven solution (be it programmed I/O on an interrupt or DMA that generates an interrupt) so that the CPU is available to other threads while the 80 analog inputs are being read (since it takes quite a while). I also want to minimize the number of interrupts. Basically, I will need to collect one sample from all 80 channels every 2 milliseconds.
There are many different options available to do so, but what is the recommended technique for the NI PCI-6255 card? I tried using the AI FIFO interrupt without DMA, but it seems to interrupt as soon as any data is in the AI FIFO (i.e. not empty condition), rather than when all 80 channels are in the FIFO, so more interrupts are generated than necessary. I tried using DMA in Ring Buffer mode to collect a single sample of 80 channels and interrupting on the DMA Ring Buffer interrupt, which appears to work better except that this technique runs into problems if I cannot copy all the data out of the DMA buffer before the next AI scan begins (because the DMA will start overwriting the buffer as it is in ring buffer mode). If the DMA is not in ring buffer mode or I make the ring buffer larger than one 80-channel sample then I don't have a way to generate an interrupt when one sample has been acquired (which I need, because I'm doing control).
I saw something in the documentation about a DMA Continue mode in which it looks like you can switch between two different buffers (by programming the Base Count/Address with a different address than the current address) automatically and thereby double-buffer the DMA but there is no real documentation or examples on this capability. However, I think it would work better than the Ring Buffer because I could interrupt on the DMA CONT flag presumably and be copying data out of one buffer while it is filling the other buffer.
Another option would be DMA chaining, but again, I cannot find any information on these features specific to the NI DAQs.
I tried interrupting on AI STOP figuring that I could get a single interrupt for each scan, but that doesn't appear to work as expected.
I know that DAQmx on Windows has the ability to do such single sample, multiple channel tasks at a fixed rate so the hardware must support it.
Any suggestions would be appreciated.
Thanks.
Daniel Madill

Hello,
The interrupt that will happen nearest the times that you need is the AI_Start_Interrupt in the Interrupt_A group. This interrupt will occur with each sample clock. By the second time this interrupt fires, the AI FIFO should have the samples from the first conversion. If it is easier to use programmed IO, you can read the samples out of the FIFO until you get all 80.
Additionally, you can set the DMA to send samples as soon as the FIFO is no longer empty...instead of waiting for half full or full. This change will reduce latency for your control loop. You can set AI_FIFO_Mode in AI_Mode_3_Register to 0. By the second time this interrupt fires, you should be able to check how much data is in the DMA ring buffer and read the 80 samples when they are available. You can make the ring buffer larger than 80 samples if you see data getting overwritten.
There is no interrupt associated with 80 samples being available in the FIFO or 80 samples being available/transferred by DMA to the host. X Series has much more flexibility with these interrupts.
I hope this helps!
Steven T.

What are the prerequisites to install and configure Oracle Coherence 3.4

What are the prerequisites to install and configure an Oracle Coherence (3.4 Grid version) on RHEL5.0 system?
I want to make an Oracle Coherence Gid Data system for testing purpose using 3 machines.
What kind of network configuration is OK?
What software should be installed in advance？
Thank you

Hi,
I would read through the Testing and Tuning section of the following page.
http://coherence.oracle.com/display/COH34UG/Usage+(Full)
Even though you are not about to go into production I think the Production Checklist has some very useful information.
http://coherence.oracle.com/display/COH34UG/Production+Checklist
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We are getting conflicting opinions on this form the field. I realize this is a loaded question. I'd like to see how Adobe presents this opinion. In the past scaling at the webserver level was only loosely tied to the publishing layer. Now it seems as dynamic functionality increases the ratio is getting closer to 1:1.
Also,I'd like to know in what use cases this load on publisher increases dramatically.

Hello, this is an evergreen. Just call setPickOnBounds(false) on the CustomHexagon.
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What is the recommended number of clients per Mac server? Also what are some recommended specs when purchasing an Apple machine that will have Mac OS X server installed?

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Hello cpreasbeck,
Thank you for contacting Apple Support Communities.
I was able to find the following transition guide for Xserve that provides some workload guidance to determine performance when planning a server deployment.
Transition Guide Xserve
http://images.apple.com/xserve/pdf/L422277A_Xserve_Guide.pdf
On page 9, Performance there is a chart that provides maximum numbers of connected users for various activities such as file sharing, mail, web, calendar, directory services and Time Machine and the CPU used as a server (Xserve, Mac Pro, Mac Mini). This information is a bit dated as the referenced software is Snow Leopard Server (OS X 10.6), and the hardware is older also, but it should give you a general idea of what you might need to look for.
Regards,
Jeff D.

What is the recommended way to obtain tracking data from carriers post XSI

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I'm not 100% clear but it appears that XSI is no longer the recommended solution for obtaining tracking data from carriers. What is the recommend method today? We'd be happy to use a PI or ABAP solution but would prefer a standard solution that was supported by SAP and UPS.

Using Time Machine is the simplest way to back up.
debasencio wrote:
They don't fit on a standard data DVD and when I try to back it up to my 500GB external hard drive it says its not formatted to files that size.
How is the drive formatted?
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If you are using it on a Mac only, format it Mac OS X HFS+.

What is the recommend best book to configure SD Module. Hard Copy or Web

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