Difference between Safe and Deep Sleep?

Hello everyone!
I recently added the Deep Sleep widget for times when I want to force my laptop to hibernate with some battery left and not completely shut it down, but recently it's just been going into hibernation mode when I leave my laptop alone for a few minutes. I clicked on the "info" button in the corner of the widget and discovered the reason: the "Regular Sleep Mode" was set to "deep".
I know quick sleep is the normal "pulsing/breathing" sleep function, but what's the difference between "Safe Sleep" and "Deep Sleep"?

http://support.apple.com/kb/HT1757
Deep Sleep is the equivalent of Windows hibernation. The state of the machine is written to the hard disk and the power is turned off.
Safe Sleep is the first part of Deep Sleep. Before the MBP goes into regular sleep the state of the machine is written to the hard disk. That's why it takes a while for the indicator to begin pulsing. If the battery dies while in regular sleep nothing is lost because of the write to the hard disk. Regular sleep becomes Deep sleep if the battery dies.

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Difference between wait() and sleep()

hi
can any one tell me what is the difference between wait() and sleep().
thanks in advance.

Mahaboob,
This question has been asked before; however, I will give you a real life example.
Imagine you are in a super market and you go to the till to pay by your card, then behind you there are 10 people waiting in queue. You card does not work since you have not supplied the right pin code; there are two option
1- Sleep
2- Wait
1- If you sleep you will lock the till for your self and try to figure out the pin number while the queue behind you increase on the resource (till)
so you are engaging the till and wasting its time and wasting the till machine resource (CPU)
2- you are polite, you move aside and wait so so that others can use the resource (till) until somebody in the queue finishes ( a good person) and give you a shout to tell you come in to the till to process your payment; you wake up and enter the pin number and go out from the super market.
Now when you sleep, the current thread locks the resource so no body can use it and wast the CPU time
while wait make the current thread release the lock on the object and does not ( this thread) actually wast the CPU time
There are much more explanantion, try to search this forum.
Regards,
Alan Mehio
London,UK

What is the difference between ALE and EDI

Hi,
Can any one please explain what is the difference between ALE and EDI ?
Thanks in advance.
Ramana

Hi Ramana
ALE: used to trnasfer IDOC with in the R3distributed system.
EDI: used to transfer IDOC from R3system to nonsap system
IDOCS:
IDOCS are intermediary documents which are like CARRIERS of the data
IDOCs are safe to transfer data, but less volume of data. User is not allowed to access (modify) the data like PSA. IDOCs have 3 parts.
1. Control Record - SOURCE & TARGET details,
EDI
EDI concept in SD: the EDI concept is intended to realize the sales and distribution process completely automatically with the help of electronical documents. These documents are sent from one customer to another, are processed mostly on the background and give a possibility to realize the sales process extremely efficiently.
While IDocs have to be understood as a data exchange protocol, EDI and ALE
are typical use cases for IDocs. R/3 uses IDocs for both EDI and ALE to
deliver data to the receiving system.
check these links also
EDI document
http://expertanswercenter.techtarget.com/eac/knowledgebaseAnswer/0,295199,sid63_gci983331,00.html
http://searchsap.techtarget.com/loginMembersOnly/1,289498,sid21_gci879631,00.html?NextURL=http%3A//searchsap.techtarget.com/ateQuestionNResponse/0%2C289625%2Csid21_gci879631%2C00.html
http://sapabap.iespana.es/sapabap/sap/faq/ale_idocs_bapi.htm
Reward all helpfull answers
Regards
Pavan

Difference between SAF service-family & address-family

Hello, I cant seem to find a simple definition of the difference between SAF service-family & address-family.
Could someone please explain these two terms.
Thanks kindly.

In addition to the above ...
Rollup Patch (RUP): An aggregation of patches that may be at the functional level, or at a specific product/family release level. For example, a Flexfields rollup patch contains all the latest patches related to Flexfields at the time the patch was created. A Marketing Family 11.5.10 rollup patch contains all the latest Marketing patches released since, and applicable to 11.5.10
Family Pack: An aggregation of patches at the product family level. Family product codes always end in "_PF" and family packs are given alphabetical sequence such as 11i.HR_PF.B, 11i.HR_PF.C, and 11i.HR_PF.D. Family packs are cumulative. In other words, Discrete Manufacturing Family Pack G (11i.DMF_PF.G) contains everything in 11i.DMF_PF.F, which contains everything in 11i.DMF_PF.E, and so on.
If you search the rollup patch thru Metalink, it would tell you whether it is included in any other patchset (i.e. Family Pack) or not.

Security Profiles - Difference between SYSTEM and TENANT admin user?

Hi,
In the OnDemand Enterprise workbook, some defualt security profiles have been configured. This includes one called 'Tenant Admin'. When I look in the system there is also a profiule called 'System Admin'. Could somebody please explan the differences between system and tenant regarding these profiles? I assume we shoul drarely use System Admin, and Tenant Admin is the safer option?
Thanks
John

Hi,
As you mentioned there are 2 status can be maintained for documents like Equipment Master, Notification, Maintenance Order & other important business documents.
In case, client feels that system status is not enough to capture the details of the object, then user status can be used.
System statuses will be updated automatically based on business transactions which will be done on SAP.
For example, once the equipment is created, System status would CRTD (Created). If you install the same to some superior equipment or FL, then status would be INST (Installed).
If you keeping that equipment in Spare, then for that, you have to maintain separate User Status like AVLB (Available in Stock / Spare) so that through IH08, by using User status, you can the report which is available as spare.
These user status as per the name, should be updated by the user manually.
Regards,
Maheswaran.

Difference between ISimpleTypeModifiable and ISimpleType

Hi,
     What is the difference between ISimpleTypeModifiable and ISimpleType? When to use which one ?
I am getting the exception "java.lang.UnsupportedOperationException" on using ISimpleType.
Thanks & Regards,
Neeraj

Hi Neeraj,
      When you map the attributes between two controllers and try to access them then IModifiableSimpleType will not work, but ISimpleType will work.
Suppose Radio you have taken as the Simple Type created in Dictionary--> SimpleType
             String radio1 = "";
             String radio2 = "";
            // Attribute Info for Radio
            IWDAttributeInfo attributeInfo = wdContext.getNodeInfo().getAttribute(wdContext.currentContextElement().RADIO);
            // Get Reference to ISimpleType for the passed attributeInfo object
            ISimpleTypeModifiable taskType1 = attributeInfo.getModifiableSimpleType();
            ISimpleValueSet smset1 = taskType1.getSVServices().getModifiableSimpleValueSet();
            radio1 = smset1.getText(wdContext.currentContextElement().getRadio());
//          ISimpleType taskType2 = attributeInfo.getSimpleType();
//          ISimpleValueSet smset2 = taskType2.getSVServices().getValues();
//          radio2 = smset2.getText(wdContext.currentContextElement().getRadio());
            wdComponentAPI.getMessageManager().reportSuccess("radio1--->"+radio1);
//          wdComponentAPI.getMessageManager().reportSuccess("radio2--->"+radio2);
radio1 will give you the value in case of not mapping
radio2 will give you the value in case of mapping
Thanks
Deep
Edited by: Deep Kundra on Dec 15, 2008 10:33 AM

What is the difference between APL and UAFL?

Hi There,
Can someone please tell me the difference between APL and UAFL?
As per my understanding APL stands for Automated Predictive Analysis and these are the set of algorithms which SAP inherited with the acquisition of KXEN and APL is enabled from SP9 onwards.
So what is the difference between APL and UAFL?
Can someone answer this?
Regards,
Arjun

Dear Arjun,
the main differences beetween AFL and APL are coming from the A of APL: Automated.
Both AFL and APL can be used the same way (integrated into application), but the APL are Automated algorithms that are coming from InfiniteInsight technology. They give you the opportunity to perform advanced classification, clustering, regression, etc... without deep knowledge in predictive algorithm or data enconding as well. On the contrary, using AFL requires that you choose the right algorithm for answering your question, then set the specific parameters for that particular algorithm (ie: you now the algorithm and how to play with), you have to encode by yourself all the existing variable into the numerical space and handle by yourself binning, banding, missing values and outliers. All those mandatory steps are done Automatically using the APL algorithms.
Kind regards,
Gaëtan.

What is the difference between MOVE and WRITE TO ststement?

Hi
What is the difference between MOVE and WRITE TO ststement?
When do we use both of them?
Thank You

Hi,
<b>MOVE</b>
Syntax
MOVE source {TO|?TO} destination.
destination {=|?=} source.
Effect
Both these statements assign the content of the operand source to the data object destination. The variants with the language element TO or the assignment operator = are valid for all assignments between operands that are not reference variables, and for assignments between reference variables for which the static type of source is more specific than or the same as the static type of destination(narrowing cast).
Variants with the language element ?TO or the assignment operator ?= (casting operator ) must be used if the source and destination are reference variables and the static type of source is more general than the static type of destination (widening cast). For assignments between operands that are not reference variables, use of the question mark ? is not permitted.
The data object destination can be any data object that can be listed at a write position, and the data object source can be a data object, a predefined function or a functional method (as of release 6.10). The data type of the data object destination must either be compatible with the data type of source, or it must be possible to convert the content of source into the data type of destination according to one of the conversion rules.
Notes
If source and/or destination are field symbols, then, as in all ABAP commands, the system works with the content of the data objects to which the field symbols point. The actual pointer content of a field symbol can only be changed using the statement ASSIGN or the addition ASSIGNING when processing internal tables (value semantics). If source and destination are reference variables, the reference contained in source is assigned to destination (reference semantics).
Strings and internal tables are addressed internally using references. When assignments are made between strings and between internal tables (as of release 6.10), only the reference is transferred, for performance reasons. After the assignment, the actual string or the actual table body of the source as well as the target object are addressed (sharing). When the object is accessed to change it, the sharing is canceled and a copy of the content is made. The sharing is displayed in the memory consumption display of the ABAP debugger and in the Memory Inspector tool (as of release 6.20).
Obsolete Form: MOVE PERCENTAGE
Exceptions
Catchable Exceptions
CX_SY_CONVERSION_NO_NUMBER
Cause: Operand cannot be interpreted as number
Runtime Error: CONVT_NO_NUMBER (catchable)
CX_SY_CONVERSION_OVERFLOW
Cause: Overflow with arithmetic operation (type P, with specified length)
Runtime Error: BCD_FIELD_OVERFLOW (catchable)
Cause: Operand too large or (intermediate) result too large
Runtime Error: CONVT_OVERFLOW (catchable)
CX_SY_MOVE_CAST_ERROR
Cause: Source or target variable are not reference variables
Runtime Error: MOVE_CAST_REF_ONLY
Non-Catchable Exceptions
Cause: Source field (type P) does not contain correct BCD format.
Runtime Error: BCD_BADDATA
Cause: Assignment for deep structures not permitted if these overlap.
Runtime Error: MOVE_COMPLEX_OVERLAP
Cause: Type conflict with the assignment between object references.
Runtime Error: MOVE_INTERFACE_NOT_SUPPORTED,
Runtime Error: MOVE_IREF_NOT_CONVERTIBLE,
Runtime Error: MOVE_IREF_TO_OREF,
Runtime Error: MOVE_OREF_NOT_CONVERTIBLE
Cause: Type conflict with the assignment between data references.
Runtime Error: MOVE_DREF_NOT_COMPATIBLE
Cause: Assignment between the types involved not supported.
Runtime Error: MOVE_NOT_SUPPORTED
Cause: Constants and literals must not be overwritten.
Runtime Error: MOVE_TO_LIT_NOTALLOWED
Cause: onstants and literals must not be overwritten.
Runtime Error: MOVE_TO_LIT_NOTALLOWED_NODATA
Cause: During a loop in an internal table, an attempt was made to overwrite a reference variable that is linked with the internal table by REFERENCE INTO.
Runtime Error: MOVE_TO_LOOP_REF
<b>Write</b>
Syntax Diagram
WRITE - TO
Syntax
WRITE {source|(source_name)} TO destination
                             [int_format_options].
Effect:
This statement assigns the formatted content of the data object source, or the formatted content of the data object whose name is contained in source_name, to the data object destination. The data objects source_name and destination must be character type and flat. source_name can contain the name of the data object to be assigned in upper or lower case. If the data object specified in source_name does not exist, the assignment is not executed, and sy-subrc is set to 4.
The statement WRITE TO has the same effect as the statement WRITE for lists. This statement formats the content of source or the source field specified in source_name as described in the field. It does not, however, store the result in an output area of a list in the list buffer, but instead stores it in a variable. The output length is determined by the length of the variable.
The same additions int_format_options can be specified for formatting the content as in the statement WRITE for lists, except for NO-GAP and UNDER.
System fields
sy-subrc Meaning
0 The data object specified in source_name was found and the assignment was executed.
4 The data object specified in source_name was not found and the assignment was not executed.
For the static specification of source, sy-subrc is not set.
Note:
If destination is specified as an untyped field symbol or an untyped formal parameter, and is not flat and character-type when the statement is executed, this leads to an untreatable exception in a Unicode program. In non-Unicode programs, this only leads to an exception for deep types. Flat types are handled as character-type data types.
Example:
After the assignment, the variables date_short and date_long receive the current date in the order specified in the user master record. The variable date_long also contains the defined separators, as the output length is sufficiently long. The content of the variable date_mask is formatted according to the formatting addition DD/MM/YY.
DATA: date_short(8) TYPE c,
      date_long(10) TYPE c,
      date_mask(8) TYPE c.
WRITE sy-datum TO: date_short,
                   date_long,
                   date_mask DD/MM/YY.
Exceptions
Non-Catchable Exceptions
Cause: Negative length specified for offset/length
Runtime Error: WRITE_TO_LENGTH_NEGATIVE
Cause: Negative offset specified in offset/length
Runtime Error: WRITE_TO_OFFSET_NEGATIVE
Cause: Offset specified in offset/length specification is longer than the field length.
Runtime Error: WRITE_TO_OFFSET_TOOLARGE
Thanks
sunil

Difference between Null and null?

What is the difference between null and NULL?
When is each used?
Thanks,

veryConfused wrote:
There is a null in java, but no NULL. null means no value. However, when assigning value, the following is different:Although the empty String has no special role. Null means, the referential type is not assigned (doesn't refer) to a specific object. The empty String is just another object though, so seeing it or pointing it out as something special when it actually isn't at all (no more special than new Integer(0) or new Object[0]) just adds to the confusion.

Difference between GUI_UPLOAD and WS_UPLOAD

Hi,
Please make me clear about the difference between GUI_UPLOAD and WS_UPLOAD. In which cases we need to use these modules...??
Thanks,
Satish

I would suggest to always use the GUI_UPLOAD. I say this because this is the function module which is used in the GUI_UPLOAD method of the class CL_GUI_FRONTEND_SERVICES.   Really, you should probably use the class/method instead of the function module.
data: filename type string.
filename = p_file.
call method cl_gui_frontend_services=>gui_upload
         exporting
              filename                = filename
              filetype                = 'ASC'
         changing
              data_tab                = iflatf
         exceptions
              file_open_error         = 1
              file_read_error         = 2
              no_batch                = 3
              gui_refuse_filetransfer = 4
              no_authority            = 6
              unknown_error           = 7
              bad_data_format         = 8
              unknown_dp_error        = 12
              access_denied           = 13
              others                  = 17.
Regards,
Rich Heilman

Difference between char and varchar, also the difference between varchar2

Hi,
Can anyone explain me the difference between char and varchar, and also the difference between varchar and varchar2...

Varchar2 is variable width character data type, so if you define column with width 20 and insert only one character to tis column only, one character will be stored in database. Char is not variable width so when you define column with width 20 and insert one character to this column it will be right padded with 19 spaces to desired length, so you will store 20 characters in the dattabase (follow the example 1). Varchar data type from Oracle 9i is automaticlly promoted to varchar2 (follow example 2)
Example 1:
SQL> create table tchar(text1 char(10), text2 varchar2(10))
2 /
Table created.
SQL> insert into tchar values('krystian','krystian')
2 /
1 row created.
SQL> select text1, length(text1), text2, length(text2)
2 from tchar
3 /
TEXT1 LENGTH(TEXT1) TEXT2 LENGTH(TEXT2)
krystian 10 krystian 8
Example 2:
create table tvarchar(text varchar(10))
SQL> select table_name,column_name,data_type
2 from user_tab_columns
3 where table_name = 'TVARCHAR'
4 /
TABLE_NAME COLUMN_NAME DATA_TYPE
TVARCHAR TEXT VARCHAR2
Best Regards
Krystian Zieja / mob

The difference between Lion and Mountain Lion

Can some one explain to me the difference between Lion and Mtn Lion? I'm currently 10.6.8 Is it beneficiall for me to upgrade?

Mountain Lion is an enhanced version of previous OS X and so that is Mavericks.
About upgrading it all depends on what your needs are and if your hardware supports it.
System requirements for OS X Lion
System requirements for OS X Mountain Lion
OS X Mavericks: System Requirements
Please check also applications compatibility. From Lion onward, you cannot run PPC application.

The difference between N80 and N80IE ?

What is the difference between M80 and N80ie?

02-Jan-2007
07:45 PM
korngear wrote:
The Nokia N80 Internet Edition is a new version of this handset with the same hardware as the normal N80. It is due for release in Q4 of 2006 and will be available in Patina Bronze or Pearl Black, and has the following additional software included.
Yahoo Go! for Mobile
Flickr
Some Amazon Branded Software
'Download!' App management
Internet Telephone - SIP VOIP Frontend
WLAN Wizard
Gizmo VOIP - Gizmo Project VOIP Frontend.
\\en.wikipedia.org//
@Korngear
Thanks.
Could N80 be upgraded to N80IE?

The difference between SFP+ and X2

Dear Expert,
I need to know what is the difference between SFP+ and X2! and can I use SFP+ card and module instead of X2?
Thanks,
Mohammad Saeed

Hi,
They are both used for 10Gig interfaces. The difference is the connector type.
SFP+ is LC and X2 is SC.
You can not put an SFP+ into an X2 slot or X2 optic into a SFP+.
HTH

Difference between ok_code and sy-ucomm

Hi,
Can any one tell me the difference between ok_code and sy-ucomm

Hi,
Actually OK_CODE and SY-Ucomm are the same. But experts suggest use of OK code for following reason:
In each PAI event that a user triggers by choosing either a pushbutton on the screen or an element in a GUI status, the corresponding function code is placed into the system field SYST-UCOMM or SY-UCOMM and placed in the OK_CODE field (as long as the function code is not empty). Empty function codes are placed in neither the SY-UCOMM field nor the OK_CODE field.
In your ABAP programs, you should work with the OK_CODE field instead of SY-UCOMM. There are two reasons for this: Firstly, the ABAP program has full control over fields declared within it, and secondly, you should never change the value of an ABAP system field. However, you should also always initialize the OK_CODE field in an ABAP program for the following reason:
In the same way that the OK_CODE field in the ABAP program and the system field SY-UCOMM receive the contents of the corresponding screen fields in the PAI event, their contents are also assigned to the OK_CODE screen field and system field SYST-UCOMM in the PBO event. Therefore, you must clear the OK_CODE field in the ABAP program to ensure that the function code of a screen is not already filled in the PBO event with an unwanted value. This is particularly important when the next PAI event can be triggered with an empty function code (for example, using ENTER). Empty function codes do not affect SY-UCOMM or the OK_CODE field, and consequently, the old field contents are transported.

Difference between Safe and Deep Sleep?

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