Getting different behaviour when query hits a single row?
Hi
I have a page where people type in search conditions and when they see the results (an ordinary tabluar report) they can click a certain row to assign the key of that row to a hidden field in my page.
There's a requirement that if they're clever enough to hit a single matching row, then the key of that row is assigned to my hidden item without them having to go through the stress and hard work related to clicking a link :-)
So I'll probably make a process that tests to see if their search returns a single row and only do the report if not. But that means performing the resulting SQL twice when there's more than one row.
Is there a way to have the number of rows returned by the SQL source for a report affect the behaviour of the page? AFAIK the #TOTAL_ROWS# etc. are only applicable in the header & footer of the report region, so I guess there's no way to do what I imagined?
Jakob
You could query your rows into a collection and determine the number of records in the collection. Check out the HTMLDB_COLLECTION (APEX_COLLECTION) API section in the HTML DB (APEX) documentation.
Your multiple record region where they select their row could then be based on:
SELECT * FROM HTMLDB_COLLECTION WHERE collection_name = 'my collection'
Mike
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kd -z C:\Windows\MiniDump\042414-24632-01.dmp -c "!analyze -v"
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Dim myprocess As New Process()
myprocess.StartInfo.FileName = "C:\Program Files (x86)\Windows Kits\8.1\Debuggers\x86\kd"
myprocess.StartInfo.Arguments = "-z C:\windows\minidump\042414-24632-01.dmp -c ""!analyze –v;q"""
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C:\Program Files (x86)\Windows Kits\8.1\Debuggers\x86>kd -z C:\Windows\MiniDump\042414-24632-01.dmp -c "!analyze -v;q"
Microsoft (R) Windows Debugger Version 6.3.9600.17298 X86
Copyright (c) Microsoft Corporation. All rights reserved.
Loading Dump File [C:\Windows\MiniDump\042414-24632-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available
Symbol search path is: *** Invalid ***
* Symbol loading may be unreliable without a symbol search path. *
* Use .symfix to have the debugger choose a symbol path. *
* After setting your symbol path, use .reload to refresh symbol locations. *
Executable search path is:
* Symbols can not be loaded because symbol path is not initialized. *
* The Symbol Path can be set by: *
* using the _NT_SYMBOL_PATH environment variable. *
* using the -y <symbol_path> argument when starting the debugger. *
* using .sympath and .sympath+ *
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.18205.x86fre.win7sp1_gdr.130708-1532
Machine Name:
Kernel base = 0x82e3e000 PsLoadedModuleList = 0x82f874d0
Debug session time: Thu Apr 24 13:36:18.672 2014 (UTC + 1:00)
System Uptime: 0 days 0:00:38.703
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* The Symbol Path can be set by: *
* using the _NT_SYMBOL_PATH environment variable. *
* using the -y <symbol_path> argument when starting the debugger. *
* using .sympath and .sympath+ *
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
************* Symbol Loading Error Summary **************
Module name Error
ntkrnlpa The system cannot find the file specified
You can troubleshoot most symbol related issues by turning on symbol loading diagnostics (!sym noisy) and repeating the
command that caused symbols to be loaded.
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* Bugcheck Analysis *
Use !analyze -v to get detailed debugging information.
BugCheck 50, {afa99150, 0, 88c557d7, 0}
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*** ERROR: Module load completed but symbols could not be loaded for mssmbios.sys
*** WARNING: Unable to verify timestamp for mfehidk.sys
*** ERROR: Module load completed but symbols could not be loaded for mfehidk.sys
*** WARNING: Unable to verify timestamp for HipShieldK.sys
*** ERROR: Module load completed but symbols could not be loaded for HipShieldK.sys
***** Kernel symbols are WRONG. Please fix symbols to do analysis.
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
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*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
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*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
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*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
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*** Type referenced: nt!_KPRCB ***
Probably caused by : mfehidk.sys ( mfehidk+377d7 )
Followup: MachineOwner
1: kd> kd: Reading initial command '!analyze -v;q'
* Bugcheck Analysis *
PAGE_FAULT_IN_NONPAGED_AREA (50)
Invalid system memory was referenced. This cannot be protected by try-except,
it must be protected by a Probe. Typically the address is just plain bad or it
is pointing at freed memory.
Arguments:
Arg1: afa99150, memory referenced.
Arg2: 00000000, value 0 = read operation, 1 = write operation.
Arg3: 88c557d7, If non-zero, the instruction address which referenced the bad memory
address.
Arg4: 00000000, (reserved)
Debugging Details:
***** Kernel symbols are WRONG. Please fix symbols to do analysis.
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
ADDITIONAL_DEBUG_TEXT:
You can run '.symfix; .reload' to try to fix the symbol path and load symbols.
MODULE_NAME: mfehidk
FAULTING_MODULE: 82e3e000 nt
DEBUG_FLR_IMAGE_TIMESTAMP: 4d2e1e3e
READ_ADDRESS: GetPointerFromAddress: unable to read from 00000000
GetPointerFromAddress: unable to read from 00000000
unable to get nt!MmSpecialPoolStart
unable to get nt!MmSpecialPoolEnd
unable to get nt!MmPagedPoolEnd
unable to get nt!MmNonPagedPoolStart
unable to get nt!MmSizeOfNonPagedPoolInBytes
afa99150
FAULTING_IP:
mfehidk+377d7
88c557d7 0fb70c06 movzx ecx,word ptr [esi+eax]
MM_INTERNAL_CODE: 0
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
BUGCHECK_STR: 0x50
CURRENT_IRQL: 0
ANALYSIS_VERSION: 6.3.9600.17298 (debuggers(dbg).141024-1500) x86fre
LAST_CONTROL_TRANSFER: from 82e7eaa8 to 82ecb879
STACK_TEXT:
WARNING: Stack unwind information not available. Following frames may be wrong.
ad0baf90 82e7eaa8 00000000 afa99150 00000000 nt+0x8d879
ad0bafa8 88c557d7 badb0d00 00000000 88c4ceb0 nt+0x40aa8
ad0bb040 88c4f97d 001a99b0 afa91000 00000000 mfehidk+0x377d7
ad0bb090 88c52b16 00770220 ad0bb0fc 00000010 mfehidk+0x3197d
ad0bb0bc 98d5fb73 ae770220 ad0bb0fc 00000010 mfehidk+0x34b16
ad0bb140 98d5fc43 ae738c30 98d6b62a aace7220 HipShieldK+0xb73
ad0bb168 98d6b882 ad0bb19c 00000000 98d77b44 HipShieldK+0xc43
ad0bb1b8 98d631a9 00000bd4 0000102c ad0bb208 HipShieldK+0xc882
ad0bb330 88c47795 00000bd4 0000102c ad0bb401 HipShieldK+0x41a9
ad0bb400 88c22b57 0000102c ad0bb460 85b3dee0 mfehidk+0x29795
ad0bb41c 88c232c6 ad0bb430 0000000c 8c4b6ce0 mfehidk+0x4b57
ad0bb43c 830a5acb adb6b9b8 0000102c ad0bb460 mfehidk+0x52c6
ad0bb4f4 830adaf8 adb16030 01b6b9b8 ad0bb550 nt+0x267acb
ad0bbc00 82e7b8c6 038ae710 038ae6ec 02000000 nt+0x26faf8
ad0bbc34 77a470f4 badb0d00 038ae3dc 00000000 nt+0x3d8c6
ad0bbc38 badb0d00 038ae3dc 00000000 00000000 0x77a470f4
ad0bbc3c 038ae3dc 00000000 00000000 00000000 0xbadb0d00
ad0bbc40 00000000 00000000 00000000 00000000 0x38ae3dc
STACK_COMMAND: kb
FOLLOWUP_IP:
mfehidk+377d7
88c557d7 0fb70c06 movzx ecx,word ptr [esi+eax]
SYMBOL_STACK_INDEX: 2
SYMBOL_NAME: mfehidk+377d7
FOLLOWUP_NAME: MachineOwner
IMAGE_NAME: mfehidk.sys
BUCKET_ID: WRONG_SYMBOLS
FAILURE_BUCKET_ID: WRONG_SYMBOLS
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:wrong_symbols
FAILURE_ID_HASH: {70b057e8-2462-896f-28e7-ac72d4d365f8}
Followup: MachineOwner
quit:
output when run in my app:-
Microsoft (R) Windows Debugger Version 6.3.9600.17298 X86
Copyright (c) Microsoft Corporation. All rights reserved.
Loading Dump File [C:\Windows\MiniDump\042414-24632-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available
Symbol search path is: *** Invalid ***
* Symbol loading may be unreliable without a symbol search path. *
* Use .symfix to have the debugger choose a symbol path. *
* After setting your symbol path, use .reload to refresh symbol locations. *
Executable search path is:
* Symbols can not be loaded because symbol path is not initialized. *
* The Symbol Path can be set by: *
* using the _NT_SYMBOL_PATH environment variable. *
* using the -y <symbol_path> argument when starting the debugger. *
* using .sympath and .sympath+ *
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.18205.x86fre.win7sp1_gdr.130708-1532
Machine Name:
Kernel base = 0x82e3e000 PsLoadedModuleList = 0x82f874d0
Debug session time: Thu Apr 24 13:36:18.672 2014 (UTC + 1:00)
System Uptime: 0 days 0:00:38.703
* Symbols can not be loaded because symbol path is not initialized. *
* The Symbol Path can be set by: *
* using the _NT_SYMBOL_PATH environment variable. *
* using the -y <symbol_path> argument when starting the debugger. *
* using .sympath and .sympath+ *
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
************* Symbol Loading Error Summary **************
Module name Error
ntkrnlpa The system cannot find the file specified
You can troubleshoot most symbol related issues by turning on symbol loading diagnostics (!sym noisy) and repeating the
command that caused symbols to be loaded.
You should also verify that your symbol search path (.sympath) is correct.
* Bugcheck Analysis *
Use !analyze -v to get detailed debugging information.
BugCheck 50, {afa99150, 0, 88c557d7, 0}
*** WARNING: Unable to verify timestamp for mssmbios.sys
*** ERROR: Module load completed but symbols could not be loaded for mssmbios.sys
*** WARNING: Unable to verify timestamp for mfehidk.sys
*** ERROR: Module load completed but symbols could not be loaded for mfehidk.sys
*** WARNING: Unable to verify timestamp for HipShieldK.sys
*** ERROR: Module load completed but symbols could not be loaded for HipShieldK.sys
***** Kernel symbols are WRONG. Please fix symbols to do analysis.
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
*** Either you specified an unqualified symbol, or your debugger ***
*** doesn't have full symbol information. Unqualified symbol ***
*** resolution is turned off by default. Please either specify a ***
*** fully qualified symbol module!symbolname, or enable resolution ***
*** of unqualified symbols by typing ".symopt- 100". Note that ***
*** enabling unqualified symbol resolution with network symbol ***
*** server shares in the symbol path may cause the debugger to ***
*** appear to hang for long periods of time when an incorrect ***
*** symbol name is typed or the network symbol server is down. ***
*** For some commands to work properly, your symbol path ***
*** must point to .pdb files that have full type information. ***
*** Certain .pdb files (such as the public OS symbols) do not ***
*** contain the required information. Contact the group that ***
*** provided you with these symbols if you need this command to ***
*** work. ***
*** Type referenced: nt!_KPRCB ***
Probably caused by : mfehidk.sys ( mfehidk+377d7 )
Followup: MachineOwner
Darren RoseTry it by opening the Cmd prompt as the actual process and passing the Filename and its arguments as the arguments of the Cmd process. If you notice there is a "-C" before the Filename and Arguments in this example. The "-C"
tells the cmd to execute the commands and then close itself. You can also use a "-K" which tells the cmd to execute the commands and keep itself open. Being you are not showing the cmd window you don`t want to keep it opened because the
user can`t close it so, that is why i used "-C".
I don`t have the program so, you can just experiment to see what it does. Maybe you should try using "-K" and show the cmd window by commenting out the CreateNoWindow line so you can see what is in the cmd window while testing.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim filepath As String = """C:\Program Files (x86)\Windows Kits\8.1\Debuggers\x86\kd"""
Dim args As String = " -z C:\windows\minidump\042414-24632-01.dmp -c ""!analyze –v;q"""
Dim p As New Process
With p.StartInfo
.FileName = "cmd.exe"
.Arguments = "-c " & filepath & args
.UseShellExecute = False
.CreateNoWindow = True
.RedirectStandardOutput = True
End With
p.Start()
TextBox1.Text = p.StandardOutput.ReadToEnd
End Sub
If you say it can`t be done then i`ll try it -
Why Do I get different result when Run as Admin to Standard?
Why when Running this script to copy from the "config64" folder (if files exist)(if not copy from "config32") if works correctly when running Batch file normally (copies the config64), but using the exact same line when running
the Batch file as "Run as Administrator" it doesn't work correctly (copies the config32, even though Files do exist config64 folder as they did when I ran it normally and it worked)
>nul 2>nul dir /a-d "Folder\config64\*" /s && (XCOPY "%~dp0Folder\config64\File64.ini" "%ProgramFiles(x86)%\CompanyFolder\ProductFolder\" /y /d) || (XCOPY "%~dp0Folder\config32\File32.ini" "%ProgramFiles(x86)%\CompanyFolder\ProductFolder\" /y /d)
UAC is turned off and I'm the administrator (only user on a standalone PC) running windows 8.1.
Is there a reason or it is a strange bug with Windows 8.1?A LOT more intellectual than
Frederik Long Who just had no clue himself to not offer an answer. As I've only been looking at this for 2 weeks I think I've come far and you help is much appreciated. Thank you JRV!
You seem to miss the point. Assuming that your problem is caused by a bug can prevent you from finding the real cause. If you had dismissed the bug theory then you might have done some real debugging, e.g. by breaking up your single-line script (which is
hard to comprehend) into easily digestible pieces and adding some debugging code like so:
@echo off
set Target="%ProgramFiles(x86)%\ComapanyFolder\ProductFolder\"
dir /a-d "Folder\config64\*" /s 1>c:\Test.log 2>&1
if %ErrorLevel% EQU 0 (
XCOPY "%~dp0Folder\config64\File64.ini" %Target% /y /d /s 1>>c:\Test.log 2>>&1
) else (
XCOPY "%~dp0Folder\config32\File32.ini" %Target% /y /d /s 1>>c:\Test.log 2>>&1
The log file would have told you quickly what is going on. Furthermore - why should I offer my own solution to your problem when JRV gave you a perfect answer straight away? -
Hi Everyone
I have a probem in substracting the two elements of two different 1-D arrays. The problem is, I am taking out data from a CCD camera which gives me data in form of 2-D array. So i select 1-D array out of it. Now this CCD output is in a timed loop, hence i am getting data in each loop. I select a perticular array output of the CCD and this is then passed to shift register and in all the loops later on, one of the element of the output array of the CCD is substracted from the same indexed element of the selected array. For reference i have pasted the snap shot of the block diagram. In this snap shot you see three probes. The value at the prob 1 is 232, at probe 2 is 255 and at 3 is 4294967273, where as actually i sould have a value of -23 since i am substacting prob 1 and probe 2 values. Since the value of probe 2 will always remain at 255 as i have fixed it by choosing an array form CCD and i checked the value of probe 1 which never goes above 255 so why do i get this false value here.
Can you please help me in problem.
Regards
Chauhan
Attachments:
clip_image0011.gif 15 KBYour data is U32 (unsigned integer) which does not have negative values. According to unsigned integer math, "negative" results will wrap.
You need to work in a datatype that is appropriate for what you want to do. How many significant bits do you have in the raw data?
Message Edited by altenbach on 03-17-2008 11:15 AM
LabVIEW Champion . Do more with less code and in less time .
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