My PC won't start with only one push of the start button.
hi guys my pc won't start with only one push of the start button. It takes me 1 to 10 pushes for it to start. I encountered this main bios error once when my pc started but it fixed on its own. What could be the problem?
Hi
The problem can be fixed by running a latest BIOS Update on your unit or if it is a mechanical issue it could be the power button itself.. you can call HP tech support if the notebook is still in warranty.. they'll be able to help you.
Hope this helps.
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-VJ
Although I am an HP Employee, I am speaking for myself and not for HP.
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MP 'mysccm.mydom.com' is compatible ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Retrieved 1 MP records from AD for site 'pri' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Retrived site version '5.00.7958.1000' from AD for site 'pri' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
SiteCode: pri ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
SiteVersion: 5.00.7958.1000 ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Ccmsetup is being restarted due to an administrative action. Installation files will be reset and downloaded again. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Deleted file C:\Windows\ccmsetup\client.msi ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Only one MP mysccm.mydom.com is specified. Use it. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Searching for DP locations from MP(s)... ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Current AD site of machine is Default-First-Site-Name LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
Local Machine is joined to an AD domain LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
Current AD forest name is staging.local, domain name is staging.local LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
DhcpGetOriginalSubnetMask entry point is supported. LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
Begin checking Alternate Network Configuration LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
Finished checking Alternate Network Configuration LocationServices 11/4/2014 12:14:55 PM 4816 (0x12D0)
Sending message body '<ContentLocationRequest SchemaVersion="1.00">
<AssignedSite SiteCode="pri"/>
<ClientPackage/>
<ClientLocationInfo LocationType="SMSPACKAGE" DistributeOnDemand="0" UseProtected="0" AllowCaching="0" BranchDPFlags="0" AllowHTTP="1" AllowSMB="0" AllowMulticast="0"
UseInternetDP="0">
<ADSite Name="Default-First-Site-Name"/>
<Forest Name="staging.local"/>
<Domain Name="staging.local"/>
<IPAddresses>
<IPAddress SubnetAddress="10.72.117.0" Address="10.72.117.134"/>
<IPAddress SubnetAddress="10.72.117.0" Address="10.72.117.142"/>
</IPAddresses>
</ClientLocationInfo>
</ContentLocationRequest>
' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Sending message header '<Msg SchemaVersion="1.1"><ID>{5B972249-B931-4739-9EFA-A9FDE29C351A}</ID><SourceHost>STAGINGSRVR07</SourceHost><TargetAddress>mp:[http]MP_LocationManager</TargetAddress><ReplyTo>direct:STAGINGSRVR07:LS_ReplyLocations</ReplyTo><Priority>3</Priority><Timeout>600</Timeout><ReqVersion>5931</ReqVersion><TargetHost>mysccm.mydom.com</TargetHost><TargetEndpoint>MP_LocationManager</TargetEndpoint><ReplyMode>Sync</ReplyMode><Protocol>http</Protocol><SentTime>2014-11-04T17:14:55Z</SentTime><Body
Type="ByteRange" Offset="0" Length="1264"/><Hooks><Hook3 Name="zlib-compress"/></Hooks><Payload Type="inline"/></Msg>' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
CCM_POST 'HTTP://mysccm.mydom.com/ccm_system/request' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Content boundary is '--aAbBcCdDv1234567890VxXyYzZ' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Received header '<Msg SchemaVersion="1.1">
<ID>{D4EF0A4D-A000-4697-9AFA-B1317B09931D}</ID>
<SourceID>GUID:21298681-5080-4365-B614-F0C8DF67452B</SourceID>
<SourceHost>pri1SCCM02</SourceHost>
<TargetAddress>direct:STAGINGSRVR07:LS_ReplyLocations</TargetAddress>
<ReplyTo>MP_LocationManager</ReplyTo>
<CorrelationID>{00000000-0000-0000-0000-000000000000}</CorrelationID>
<Priority>3</Priority>
<Timeout>600</Timeout>
<TargetHost>STAGINGSRVR07</TargetHost><TargetEndpoint>LS_ReplyLocations</TargetEndpoint><ReplyMode>Sync</ReplyMode><Protocol>http</Protocol><SentTime>2014-11-04T17:14:55Z</SentTime><Body Type="ByteRange"
Offset="0" Length="2408"/><Hooks><Hook3 Name="zlib-compress"/><Hook Name="authenticate"><Property Name="Signature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roperty><Property
Name="AuthSenderMachine">pri1SCCM02;mysccm.mydom.com;</Property><Property Name="MPSiteCode">pri</Property></Hook></Hooks><Payload Type="inline"/></Msg>' ccmsetup 11/4/2014 12:14:55
PM 4816 (0x12D0)
Received reply body '<ContentLocationReply SchemaVersion="1.00"><ContentInfo PackageFlags="16777216"><ContentHashValues/></ContentInfo><Sites><Site><MPSite SiteCode="pri" MasterSiteCode="pri"
SiteLocality="LOCAL" IISPreferedPort="80" IISSSLPreferedPort="443"/><LocationRecords><LocationRecord><URL Name="http://mysccm.mydom.com/SMS_DP_SMSPKG$/pri00002"
Signature="<ADSite">http://mysccm.mydom.com/SMS_DP_SMSSIG$/pri00002"/><ADSite Name="CSSG-Mount-Laurel"/><IPSubnets><IPSubnet Address="10.72.117.0"/><IPSubnet
Address=""/></IPSubnets><Metric Value=""/><Version>7958</Version><Capabilities SchemaVersion="1.0"><Property Name="SSLState" Value="0"/></Capabilities><ServerRemoteName>mysccm.mydom.com</ServerRemoteName><DPType>SERVER</DPType><Windows
Trust="0"/><Locality>LOCAL</Locality></LocationRecord></LocationRecords></Site></Sites><ClientPackage FullPackageID="pri00002" FullPackageVersion="2" FullPackageHash="03CFD97C8FB5F7E7E9F177FD6D30D6F25ED106E517E69B715695A0E81DB1D9AF"
MinimumClientVersion="5.00.7958.1000" RandomizeMaxDays="7" ProgramEnabled="false" LastModifiedTime="30388855;1262113920" SiteVersionMatch="true" SiteVersion="5.00.7958.1000" EnablePeerCache="true"/><RelatedContentIDs/></ContentLocationReply>'
ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Found local location 'http://mysccm.mydom.com/SMS_DP_SMSPKG$/pri00002' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Discovered 1 local DP locations. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
PROPFIND 'http://mysccm.mydom.com/SMS_DP_SMSPKG$/pri00002' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Got 401 challenge Retrying with Windows Auth... ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
PROPFIND 'http://mysccm.mydom.com/SMS_DP_SMSPKG$/pri00002' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Failed to correctly receive a WEBDAV HTTP request.. (StatusCode at WinHttpQueryHeaders: 401) ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Failed to check url http://mysccm.mydom.com/SMS_DP_SMSPKG$/pri00002. Error 0x80004005 ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Enumerated all 1 local DP locations but none of them is good. Fallback to MP. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
GET 'HTTP://mysccm.mydom.com/CCM_Client/ccmsetup.cab' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
C:\Windows\ccmsetup\ccmsetup.cab is Microsoft trusted. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Successfully extracted manifest file C:\Windows\ccmsetup\ccmsetup.xml from file C:\Windows\ccmsetup\ccmsetup.cab. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Loading manifest file: C:\Windows\ccmsetup\ccmsetup.xml ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Successfully loaded ccmsetup manifest file. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Checking if manifest version '5.00.7958.1000' is newer than the ccmsetup version '5.0.7958.1000' ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Running from temp downloaded folder or manifest is not newer than ccmsetup. ccmsetup 11/4/2014 12:14:55 PM 4816 (0x12D0)
Adding file 'HTTP://mysccm.mydom.com:80/CCM_Client/x64/client.msi' to BITS job, saving as 'C:\Windows\ccmsetup\client.msi'. ccmsetup 11/4/2014 12:14:56 PM 4816 (0x12D0)
Starting BITS download for client deployment files. ccmsetup 11/4/2014 12:14:56 PM 4816 (0x12D0)
Successfully completed BITS download for client deployment files. ccmsetup 11/4/2014 12:14:57 PM 4816 (0x12D0)
Successfully downloaded client files via BITS. ccmsetup 11/4/2014 12:14:57 PM 4816 (0x12D0)
Validated file 'C:\Windows\ccmsetup\client.msi' hash 'A5732CE24F2B1545E9FBA458971E0A5504093E0F743CA9E8BD9C047582902878' ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
Retrieved client version '5.00.7958.1000' and minimum assignable site version '5.00.7845.1000' from client package ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
Checking compatibility of site version '5.00.7958.1000', expect newer than '5.00.7845.1000' ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
Site version '5.00.7958.1000' is compatible. Client deployment will continue. ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
An MP exists on this machine. ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
The client version 5.00.7958.1000 does not match the MP version 5.00.7711.0000. The client will not be installed. ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
A Fallback Status Point has not been specified. Message with STATEID='318' will not be sent. ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
InstallFromManifest failed 0x80004005 ccmsetup 11/4/2014 12:14:58 PM 4816 (0x12D0)
CcmSetup failed with error code 0x80004005 ccmsetup 11/4/2014 12:14:58 PM 3680 (0x0E60)Why two primary that is 'coz geographically based server support and workstation. You can think it as a data center to data center split.
That doesn't make sense and aren't valid reasons for 2012 (not that you can necessarily change it now).
This line jumps out at me in the log file though: "An MP exists on this machine".
That looks like the system you are installing on previously had an MP on it. I would delete the ccm namespace in WMI, cleanup all reference to ccm and Configuratin Manager from the registry, and then try again.
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SQL Server 2012 Undetected Deadlock in a table with only one row
We have migrated our SQL 2000 Enterprise Database to SQL 2012 Enterprise few days ago.
This is our main database, so most of the applications access it.
The day after the migration, when users started to run tasks, the database access started to experiment a total failure.
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After some research, we found that the applications were trying to access a very simple table with only one row. This table has a number that is restarted every day and is used to number all the transactions made against the system. So, client
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The only solution we found was to kill all user processes in SQL Server every time this situation occurs (no more than 5 minutes when all clients are accessing the database).
No client application was changed in this migration and this process was working very well for the last 10 years.
The problem is that SQL 2k12 is unable to handle this situation compared to SQL 2k.
It seems to occurs with other tables too, but as this is an "entry table" the problem occurs with it first.
I have searched internet and some suggest some workarounds like using table hints to completely lock the table at the begining of the transaction, but it can't be used to other tables.
Does anyone have heard this to be a problem with SQL 2k12? Is there any fixes to make SQL 2k12 as good as SQL 2k?First off re: "Unfortunatelly, this can't be used in production environment as exclusive table lock would serialize the accesses to tables and there will be other tables that will suffer with this problem."
This is incorrect.
Using a table to generate sequence numbers like this is a bad idea exactly because the access must be serialized. Since you can't switch to a SEQUENCE object, which is the correct solution, the _entire goal_ of this exercise to find a way to properly
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I converted the sample program to VB.NET:
Public Class Form1
Private mbCancel As Boolean = False
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim soConn As ADODB.Connection
Dim soRst As ADODB.Recordset
Dim sdData As Date
Dim slValue As Long
Dim slDelay As Long
'create database vbtest
'go
' CREATE TABLE [dbo].[ControlNumTest](
' [UltData] [datetime] NOT NULL,
' [UltNum] [int] NOT NULL,
' CONSTRAINT [PK_CorreioNumTeste] PRIMARY KEY CLUSTERED
' [UltData] Asc
' )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 80) ON [PRIMARY]
' ) ON [PRIMARY]
mbCancel = False
Do
' Configure the Connection object
soConn = New ADODB.Connection
With soConn
.ConnectionString = "Provider=SQLNCLI11;Initial Catalog=vbtest;Data Source=localhost;trusted_connection=yes"
.IsolationLevel = ADODB.IsolationLevelEnum.adXactCursorStability
.Mode = ADODB.ConnectModeEnum.adModeReadWrite
.CursorLocation = ADODB.CursorLocationEnum.adUseServer
.Open()
End With
' Start a new transaction
Call soConn.BeginTrans()
' Configure the RecordSet object
soRst = New ADODB.Recordset
With soRst
.ActiveConnection = soConn
.CursorLocation = ADODB.CursorLocationEnum.adUseServer
.CursorType = ADODB.CursorTypeEnum.adOpenForwardOnly
.LockType = ADODB.LockTypeEnum.adLockPessimistic
.Open("SELECT * FROM dbo.ControlNumTest")
End With
With soRst
sdData = .Fields!UltData.Value ' Read the last Date (LOCK INFO 1: See comments bello
slValue = .Fields!UltNum.Value ' Read the last Number
If sdData <> Date.Now.Date Then ' Date has changed?
sdData = Date.Now.Date
slValue = 1 ' Restart number
End If
.Fields!UltData.Value = sdData ' Update data
.Fields!UltNum.Value = slValue + 1 ' Next number
End With
Call soRst.Update()
Call soRst.Close()
' Ends the transaction
Call soConn.CommitTrans()
Call soConn.Close()
soRst = Nothing
soConn = Nothing
txtUltNum.Text = slValue + 1 ' Display the last number
Application.DoEvents()
slDelay = Int(((Rnd * 250) + 100) / 100) * 100
System.Threading.Thread.Sleep(slDelay)
Loop While mbCancel = False
If mbCancel = True Then
Call MsgBox("The test was canceled")
End If
Exit Sub
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
mbCancel = True
End Sub
End Class
And created the table
CREATE TABLE [dbo].[ControlNumTest](
[UltData] [datetime] NOT NULL,
[UltNum] [int] NOT NULL,
CONSTRAINT [PK_CorreioNumTeste] PRIMARY KEY CLUSTERED
[UltData] Asc
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = on, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
go insert into ControlNumTest values (cast(getdate()as date),1)
Then ran 3 copies of the program and generated the deadlock:
<deadlock>
<victim-list>
<victimProcess id="processf27b1498" />
</victim-list>
<process-list>
<process id="processf27b1498" taskpriority="0" logused="0" waitresource="KEY: 35:72057594039042048 (a01df6b954ad)" waittime="1970" ownerId="3181" transactionname="implicit_transaction" lasttranstarted="2014-02-14T15:49:31.263" XDES="0xf04da3a8" lockMode="X" schedulerid="4" kpid="9700" status="suspended" spid="51" sbid="0" ecid="0" priority="0" trancount="2" lastbatchstarted="2014-02-14T15:49:31.267" lastbatchcompleted="2014-02-14T15:49:31.267" lastattention="1900-01-01T00:00:00.267" clientapp="vbt" hostname="DBROWNE2" hostpid="21152" loginname="NORTHAMERICA\dbrowne" isolationlevel="read committed (2)" xactid="3181" currentdb="35" lockTimeout="4294967295" clientoption1="671088672" clientoption2="128058">
<executionStack>
<frame procname="adhoc" line="1" stmtstart="80" sqlhandle="0x020000008376181f3ad0ea908fe9d8593f2e3ced9882f5c90000000000000000000000000000000000000000">
UPDATE [dbo].[ControlNumTest] SET [UltData]=@Param000004,[UltNum]=@Param000005 </frame>
<frame procname="unknown" line="1" sqlhandle="0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000">
unknown </frame>
</executionStack>
<inputbuf>
(@Param000004 datetime,@Param000005 int)UPDATE [dbo].[ControlNumTest] SET [UltData]=@Param000004,[UltNum]=@Param000005 </inputbuf>
</process>
<process id="processf6ac9498" taskpriority="0" logused="10000" waitresource="KEY: 35:72057594039042048 (a01df6b954ad)" waittime="1971" schedulerid="5" kpid="30516" status="suspended" spid="55" sbid="0" ecid="0" priority="0" trancount="1" lastbatchstarted="2014-02-14T15:49:31.267" lastbatchcompleted="2014-02-14T15:49:31.267" lastattention="1900-01-01T00:00:00.267" clientapp="vbt" hostname="DBROWNE2" hostpid="27852" loginname="NORTHAMERICA\dbrowne" isolationlevel="read committed (2)" xactid="3182" currentdb="35" lockTimeout="4294967295" clientoption1="671156256" clientoption2="128058">
<executionStack>
<frame procname="adhoc" line="1" sqlhandle="0x020000003c6309232ab0edbe0a7790a816a09c4c5ac6f43c0000000000000000000000000000000000000000">
FETCH API_CURSOR0000000000000001 </frame>
<frame procname="unknown" line="1" sqlhandle="0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000">
unknown </frame>
</executionStack>
<inputbuf>
FETCH API_CURSOR0000000000000001 </inputbuf>
</process>
</process-list>
<resource-list>
<keylock hobtid="72057594039042048" dbid="35" objectname="vbtest.dbo.ControlNumTest" indexname="PK_CorreioNumTeste" id="lockff6e6c80" mode="U" associatedObjectId="72057594039042048">
<owner-list>
<owner id="processf6ac9498" mode="S" />
<owner id="processf6ac9498" mode="U" requestType="wait" />
</owner-list>
<waiter-list>
<waiter id="processf27b1498" mode="X" requestType="convert" />
</waiter-list>
</keylock>
<keylock hobtid="72057594039042048" dbid="35" objectname="vbtest.dbo.ControlNumTest" indexname="PK_CorreioNumTeste" id="lockff6e6c80" mode="U" associatedObjectId="72057594039042048">
<owner-list>
<owner id="processf27b1498" mode="U" />
<owner id="processf27b1498" mode="U" />
<owner id="processf27b1498" mode="X" requestType="convert" />
</owner-list>
<waiter-list>
<waiter id="processf6ac9498" mode="U" requestType="wait" />
</waiter-list>
</keylock>
</resource-list>
</deadlock>
It's the S lock that comes from the cursor read that's the villian here. U locks are compatible with S locks, so one session gets a U lock and another gets an S lock. But then the session with an S needs a U, and the session with a U needs an
X. Deadlock.
I'm not sure what kind of locks were taken by this cursor code on SQL 2000, but on SQL 2012, this code is absolutely broken and should deadlock.
The right way to fix this code is to add (UPDLOCK,SERIALIZABLE) to the cursor
.Open("SELECT * FROM dbo.ControlNumTest with (updlock,serializable)")
So each session reads the table with a restrictive lock, and you don't mix S, U and X locks in this transaction. This resolves the deadlock, but requires a code change.
I tried several things that didn't require a code, which did not resolve the deadlock;
1) setting ALLOW_ROW_LOCKS=OFF ALLOW_PAGE_LOCKS=OFF
2) SERIALIZABLE isolation level
3) Switching OleDB providers from SQLOLEDB to SQLNCLI11
Then I replaced the table with a view containing a lock hint:
CREATE TABLE [dbo].[ControlNumTest_t](
[UltData] [datetime] NOT NULL,
[UltNum] [int] NOT NULL,
CONSTRAINT [PK_CorreioNumTeste] PRIMARY KEY CLUSTERED
[UltData] Asc
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = on, FILLFACTOR = 80) ON [PRIMARY]
) ON [PRIMARY]
go
create view ControlNumTest as
select * from ControlNumTest_t with (tablockx)
Which, at least in my limited testing, resovlved the deadlock without any client code change.
David
David http://blogs.msdn.com/b/dbrowne/ -
Counting (interneal timebase)events with only one counter
Hello,
i am using a PXI-6115 card. This card is external clocked with 8 MHz. But I want to measure only about every second. So I divided the external clock with the internal counter 0. This works fine.
Now my problem. Now I want to know the external clock rate. Is it possible to build a pulse period measurement with only one counter??
I thinking of counting internal timebase- pulses with counter 1 and to start and stop the counter 1 by the output of counter 0.
Is this possible and how??
Thanks for help, RuedigerYes, there's a way to measure pulse periods with a single counter. The trick is to perform a buffered period measurement and sum the periods. The size of the buffer will determine the quantization/roundoff error.
The source of this error is that you have no control over the initial phase relationship of your external clock and your internal timebase. There's a nominal ratio between the two frequencies, and you'd start by expecting ratio * (buffer size) total cycles counted.
However, your actual count must be an integer, so you'll get either the next-highest or next-lowest integer, but you can't predict or control which one.
Example: If you collect 1 period at 8 MHz using the internal 20 MHz timebase, you'll capture either 2 or 3 e
dges from your timebase, implying a measured frequency of either 10 MHz or 6.6667 MHz.
If you collect 1001 periods, you'll capture a total of 2502 or 2503 timebase edges, implying a measured frequency of either 8.0016 MHz or 7.9984 MHz.
Notes:
1. In many cases, you can set up for buffered event counting, using the internal 20 MHz clock as a source and your external 8 MHz as a gate.
The advantage is that the buffered values already represent cumulative time so you don't need to sum them.
A disadvantage would be that the internal 24-bit counter value will roll-over in less than 1 second at 20 MHz. I typically capture periods and then sum in software because I can convert to floating point between capture and sum if necessary to produce both high-resolution and long duration measurements.
2. You should typically ignore the very first value in the buffer and work only with the others. If you want to capture 1001 legitimate periods, size the buffer for at least 1002
-Kevin P. -
SQL query to retrieve families with only one generation from a family db
Hi,
I need to write an SQL query that would select families with only one generation ((which means a person - or a married couple - with kids) or (a person - or a married couple - with parents but no kids)) from a database containing families. The simplified db structure is:
person:
id - int, primary key
siblings:
id
parent_id
kid_id
marriage
id:
husband_id
wife_id
Could anyone please help me? I dont really have any idea how to accomplish that...Hi,
Welcome to the forum!
Assuming that siblings (despite its name) contains only parent-child relationships, and that the parent_id could be either the mother or the father:
WITH got_tree AS
SELECT CONNECT_BY_ROOT s.parent_id AS root_id
, LEVEL AS lvl
FROM siblings s
LEFT OUTER JOIN marriage m ON s.parent_id IN ( m.husband_id
, m.wife_id
START WITH parent_id NOT IN ( SELECT kid_id
FROM siblings
CONNECT BY s.parent_id IN ( PRIOR m.husband_id
, PRIOR m.wife_id
, PRIOR kid_id
SELECT root_id
FROM got_tree
GROUP BY root_id
HAVING MAX (lvl) <= 2
;This will get a list of parents who may or may not have children, but who do not have either parents or grandchildren.
To get their spouses and children (if any) you will have to join this result set to all the other tables. At that point, you can eliminate poeple who do not have ancestors themselves, but are married to people who have more than one generation of ancestors.
The details of how to do that depend on the details of your tables. If you'd like help, then post a little sample data (CREATE TABLE and INSERT statements for all tables) and the results you want from that data.
Edited by: Frank Kulash on Oct 14, 2009 4:05 PM
I'd need sample data in order to test this, of course. -
Importing m2t into iMovie with only one conversion
Ok, so m2t files have been beaten to death in these forums, but I'm still puzzled. Here's my situation. I have a Canon HV20 and only replay the tape once to avoid wear and save time (really?). So I capture to m2ts. Fine. Now I'd like to be able to use these in iMovie with only one conversion. I can convert the stream to a framed (QT) format like AIC. But I'd like to do this just once. Meaning, when I convert clip.m2t to clip.mov I'd like to drag this to iMovie and have iMovie just "copy" an not import/convert. Can I convert to a format where I can just drag to the media folder in the given iMovie project?
For those watching. My toolchain is
1. rewind the tape
2. capture with HDVsplit (win), DVHScap (mac), or whatever
3. split/clip the m2t files with HDVsplit (win) or MPEGstremclip (mac/win), or HDVxDV (mac) and leave as m2t
4. convert the m2t clips I want in my movie to QT+AIC
5. import these QT+AIC .mov clips into iMovie
6. edit
I'd like to optimize 4 and 5. (And by the way, someone should port HDVsplit to mac.)
Thanks,
WLMatti Haveri wrote:
MPEG Streamclip allows you to export as QuickTime with Apple Intermediate Codec (also QT Player can do this but I prefer MPEG Streamclip for these tasks). I think you should set the resolution to 1440x1080 because that's what iMovie uses internally for 1080i.
I did a quick test and iMovie seems to accept such AIC-encoded .mov files directly to its Media folder. But run some tests through your complete workflow before trusting this will work!
Ok this was helpful. If I take 1440x1080 QT/AIC output from MPEGstreamclip, I can efficiently copy the file in the project. Works like a charm and looks great in iMovie. (I can also now take the 1920x1080 QT/AIC output from streamclip and do the same; not sure what change there. I did a test on a 1:24 length mpeg-2 stream. The 1440x1080 with and without deinterlacing were 700MB and 600MB respectively, while the 1920x1080 is at 800MB. So it makes sense to do 1440x1080 since iMovie handles it fine.)
In summary (hope this helps someone), here's what I do:
0a. Macbook with iMovie HD
0b. LaCie macos formated external drive drive (hfs+)
0c. Canon HV20 filmed at 1080i (not sure what do with the 24p cinemode)
1. use DVHScap (mac) to capture the stream from the HV20. This gives file.m2t, for example. This can be viewed with VLC, for example. (on windows use HDVsplit to capture). Copy the m2t file to the external drive.
2. now use MPEGstreamclip to disect the m2t file. use the 'i' and 'o' to mark inputs and outputs and then "save as". Save this as file_clip.ts for example. The .ts is the same as an .m2t file, so save it as either.
3. now you should have 1 or more file_clip.ts depending on how many times you do step 1 and 2.
4. use MPEGstreamclip in batch mode to take the file_clip.ts or m2t files and "export to Quicktime". Select Apple Intermediate Codec as the type compression type. Yank the quality up to 100%. Select 1400x1080 (4:3) as the frame size and click "deinterlace video" (my opinion on the deinterlacing). Save the movie on the external drive as file_clip.mov.
5. now start a new iMovie HD project and save the project to the external drive. Quit iMovie. open-apple-click on the myproject.iMovieProject to "show package contents". After this you can move your file_clip.mov files to the media directory under this package. A move is best since copy does an actual copy. Move just moves a pointer.
6. start up iMovie and view the trash can when prompted ("Some stray files were found in the project...."). Now drag the trash files to the clips area in iMovie.
7. now edit.
This is a nice approach for a couple of reasons. The .m2t files are great storage formats. The conversion from mpeg-2 stream (m2t) to a framed format like QT+AIC (mov) is done +only once+. And the quality is maintained. Also, I can do this all to an external harddrive, which is nice since I'm limited on my macbook.
I don't have HD gear. Currently I archive SD DV to tape and to big harddisks. In the future I would like to continue to archive HD content in its native compressed (non-AIC) form. Obviously this works via DVHScap, right?
Yes. The m2t files are a great archival format. The 1:25 long clip above was only 275MB while the framed formats were 3 times that. The stream saves differences so it's a lot more efficient (but you don't have frames for editing). VLC is also quick as quick for viewing these. DVHScap never drops any packets (mpeg-2) when capture (for me at least). HDVsplit is also great, but only for windows. HDVxDX also worked like a charm.
Well anyway, thanks for the chatter.
Nate -
How can I play different videos with only one MediaPlayer?
I want to play two videos with only one MediaPlayer:
private static MediaPlayerBuilder mpB;
private static Media mLogo;
private static Media mSaludo;
private static MediaPlayer mpLogo;
private static MediaView mvLogo;
private static Group gLogo;
public void start(final Stage stage) {
mLogo = MediaBuilder.create().source(myGetResource(VIDEOLOGO_PATH)).build();
mSaludo = MediaBuilder.create().source(myGetResource(VIDEOSALUDO_PATH)).build();
mpB = MediaPlayerBuilder.create();
mpLogo = mpB.media(mLogo).build();
mvLogo = MediaViewBuilder.create().mediaPlayer(mpLogo).build();
gLogo.getChildren().add(mvLogo);
sActual = new Scene(gPozos, WIDTH, HEIGHT, Color.BLACK);
stage.setScene(sActual);
stage.show();When I want to play mLogo:
sActual.setRoot(gLogo);
mpLogo.play();Then, when I want to play mSaludo I do this:
mpLogo = mpB.media(mSaludo).build();
sActual.setRoot(gLogo);
mpLogo.play();or this:
mpB.media(mSaludo).applyTo(mpLogo);
sActual.setRoot(gLogo);
mpLogo.play();or this:
mpB.media(mSaludo);
sActual.setRoot(gLogo);
mpLogo.play();But is impossible to change the Media. It doesn't work. Sometimes I play mLogo video and sometimes (depends on the code) the video mLogo doesn't start and I see an image of the first keyframe and nothing else. I have no exceptions, no errors, nothing.
I want to play mLogo and then mSaludo. How can I do this?
Thanks
NoeliaOk, I understand, if I have 100 videos I have to build 100 MediaPlayers but only one MediaView.
Here I post my code with only two videos, I included all the asynchronous errors.
package pruebafx;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.media.Media;
import javafx.scene.media.MediaErrorEvent;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaView;
import javafx.stage.Stage;
* @author Solange
public class PruebaFX extends Application {
private static final Logger logger = Logger.getLogger("pruebafx.pruebafx");
private static final String MEDIA_PATH = "/images/";
private static final String VIDEOLOGO_PATH = MEDIA_PATH + "logo.flv";
private static final String VIDEOSALUDO_PATH = MEDIA_PATH + "saludo.flv";
private static Group root;
private static Scene scene;
private static MediaPlayer mpLogo;
private static MediaPlayer mpSaludo;
private static Media mLogo;
private static Media mSaludo;
private static MediaView mediaView;
* @param args the command line arguments
public static void main(String[] args) {
Application.launch(args);
@Override
public void start(Stage primaryStage) {
try {
FileHandler fh = new FileHandler("DisplayManagerlog-%u-%g.txt", 100000, 100, true);
// Send logger output to our FileHandler.
logger.addHandler(fh);
// Request that every detail gets logged.
logger.setLevel(Level.ALL);
// Log a simple INFO message.
logger.info("Starting PruebaFX");
} catch (Exception e) {
System.out.println(e.getMessage());
primaryStage.setTitle("Change Videos");
root = new Group();
mLogo = new Media(myGetResource(VIDEOLOGO_PATH));
mSaludo = new Media(myGetResource(VIDEOSALUDO_PATH));
mpLogo = new MediaPlayer(mLogo);
mpSaludo = new MediaPlayer(mSaludo);
mediaView = new MediaView(mpLogo);
mpLogo.setOnEndOfMedia(new Runnable() {
public void run() {
mpLogo.stop();
mediaView.setMediaPlayer(mpSaludo);
mpSaludo.play();
mpSaludo.setOnEndOfMedia(new Runnable() {
public void run() {
mpSaludo.stop();
mediaView.setMediaPlayer(mpLogo);
mpLogo.play();
mLogo.setOnError(new Runnable() {
public void run() {
logger.severe("Error en Media mLogo");
mSaludo.setOnError(new Runnable() {
public void run() {
logger.severe("Error en Media mSaludo");
mpLogo.setOnError(new Runnable() {
public void run() {
logger.severe("Error en MediaPlayer mpLogo");
mpSaludo.setOnError(new Runnable() {
public void run() {
logger.severe("Error en MediaPlayer mpSaludo");
mediaView.setOnError(new EventHandler<MediaErrorEvent>() {
public void handle(MediaErrorEvent t) {
logger.severe("Error en MediaView mediaView");
logger.severe(t.getMediaError().getMessage());
root.getChildren().addAll(mediaView);
scene = new Scene(root, 300, 250);
primaryStage.setScene(scene);
primaryStage.show();
mpLogo.play();
public String myGetResource(String path) {
return (this.getClass().getResource(path).toString());
}My video saludo.flv hangs up.
Here is the content of the log file:
<?xml version="1.0" encoding="windows-1252" standalone="no"?>
<!DOCTYPE log SYSTEM "logger.dtd">
<log>
<record>
<date>2011-12-12T12:03:53</date>
<millis>1323702233578</millis>
<sequence>0</sequence>
<logger>pruebafx.pruebafx</logger>
<level>INFO</level>
<class>pruebafx.PruebaFX</class>
<method>start</method>
<thread>12</thread>
*<message>Starting PruebaFX</message>*
</record>
<record>
<date>2011-12-12T12:04:06</date>
<millis>1323702246109</millis>
<sequence>1</sequence>
<logger>pruebafx.pruebafx</logger>
<level>SEVERE</level>
<class>pruebafx.PruebaFX$6</class>
<method>run</method>
<thread>12</thread>
*<message>Error en MediaPlayer mpSaludo</message>*
</record>
<record>
<date>2011-12-12T12:04:06</date>
<millis>1323702246109</millis>
<sequence>2</sequence>
<logger>pruebafx.pruebafx</logger>
<level>SEVERE</level>
<class>pruebafx.PruebaFX$4</class>
<method>run</method>
<thread>12</thread>
*<message>Error en Media mSaludo</message>*
</record>
</log>
Do you know when will be available the 2.0.2 version???
I have to finish my application!!!
Thanks.
Noelia -
Update several authorization profile with only one transaction
Hi gurus,
This question occur after a request done to me by a group of users.
I have to apply just only one transaction in all 200 profile/functions, through tcode PFCG (this functions it is contained in all that user profiles) and so I ask you guys if there is some way to put that transaction by only one action, through some easy form, like a mass action... I don´t believe that I have to put that transaction one by one in each profile/authorization!! If this is the only way to do this I won't get to end so early... and if this is the only way then I think this is very stupid way to do this!
Help me please, I have to finish this as soon as possible!
I don´t know what to do!
Best regards,
João Dimas - PortugalHi Petra,
I think you didn´t understand what I asked or maybe it was me I didn´t explain well what I wanna do!
The question is only this, it´s possible to edit / add one, two or three, (etc) transaction codes in object S_TCODE in a big group of authorization profiles/functions (in tcode PFCG or through other transaction) that allows me to change with only one action all of that group of authorization profiles with that new transactions?
We have a many differents profiles and so I don´t wanna believe that I have to change each authorization profile one by one... it´s stupid if it this is the only way to doing this... it will need a long time wasted!!
Like we have the possible to do a mass generate or a mass transport between systems for authorization profiles we should also have that option!
Help me please!
Best regards,
João Dimas - Portugal -
How to evolve a graph with only one loop
1. how to continue to add new nodes to a graph with only one loop
would like to use graph traversal like my previous post to traversal a binary tree, but this time, it can
loop forever, i mean it traverse all nodes in whole graph in the meanwhile it add new nodes too
assume maximum number of joint is 2 or 3
computing nightmareI just realised that you weren't talking about cyclic graphs (in the case of 1 cycle) here, but meant a single pass traverse and mutate.
What you don't specify is how the new nodes are being supplied. If they are supplied up front, then the loop will of course terminate once all the inputs are addressed, rather than going on forever. If they are being supplied from time-to-time,
then you need to have some sort of event-wait on input. The traversal could have a move-next something like this
If at end of tree with no new nodes, wait for input
If at end of tree, with input, reset to start
If at insertion point for new node at top of input queue, insert that
Move to next node in tree
This seems the sort of thing that would naturally be coded in a functional language as a tail recursion rather than an iteration. -
I was trying to add an itunes library to my computer, and now my itunes library can not be found. An ipod can be synced with only one iTunes library at a time. How can I find my Itunes library, complete with playlists ?
I have the same problem too and tried alot of things like time zone , restarting or changing DNS of wifi connection to 8.8.8.8 still nothing happens .. !!
iPhone 5s, iOS 8.3
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