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• How does Google Analytics aggregate the Count of Visits (Frequency & Recency Report)?

  - by Brian Dant

  Here's my simple understanding of Count of Visits: Each person that comes to my site gets one "count" for each visit. They are put into a bucket of people with the same number of total counts -- if you visit twice, you are in the two bucket, if you visit six times, you are in the six bucket. From there, a report (Frequency & Recency) makes a line for each bucket and reaches into the bucket and totals the number of people in that bucket, putting that total in the second column. My Question: Will a two month report automatically put someone into two buckets, and put them on two separate lines in the Count of Visits table? This explaination makes it seem like a two-month long report will put the same person into a bucket twice, one bucket for each month. The two-month report will then show that person's visits on two different lines, instead of aggregating them. Example for Clarification: Bob comes to my site three times in January and seven times in February. I run a report for Jan 1 -- Feb 28. Will Bob be on both the Three Count line and the Seven Count line, or will he be on the Ten Count line?

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• How do I show a log analysis in Splunk?

  - by Vinod K

  I have made my ubuntu server a centralized log server...I have splunk installed in the /opt directory of the ubuntu server. I have one of the another machines sending logs to this ubuntu server..In the splunk interface i have added in the network ports as UDP port 514...and also have added in the "file and directory" /var/log. The client has also been configured properly...How do I show analysis of the logs??

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• How can I perform sentiment analysis on extracted text from online sources?

  - by aniket69

  I'm working on extracting the sentiment from YouTube comments, blogs, news content, Facebook wall posts, and Twitter feeds. I'm looking for an automated way to do this: the two third-party solutions I've found have been AlchemyAPI and RapidMiner. Are these the best way to approach this project, or should I be using something else? Is there a more efficient way to approach sentiment analysis? What techniques have worked for you in a project like this?

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• Are there software options (preferabbly .NET) for doing distance and speed analysis of footballers moving on video?

  - by Anonymous Type

  Editing Question for Clarity Thanks for feedback so far, very insightful. I'm not sure how far along this part of the software community is, and what if any libraries exist for me to leverage from. Heres what I'm trying to do. Problem: Take an existing video of a game of rugby league. The Rugby League field is 100 metres long, 70 metres wide, and has white line markings every 10 metres running along the width of the field, as well as along the sidelines. Each side has 13 players on the field. Players on each team have identical jerseys that normally constrast strongly against background colours (green/brown field colour) and the referee's colour (usually yellow) and the designated water runner (orange). All players have a unique number in thick white lettering on their backs for identification. Video is taken with a high definition camera. Currently only one camera is used (2D) and existing video does not contain a foreground object of fixed spatial dimensions (as suggested in one answer for comparision measurements, however I could add this to future filming sessions if it is worthwhile). The player's do not run in a straight line 50% of the time but will go sideways on on a diagonal to the play the ball. The distance measured always starts from the spot of the previous "tackle", which ends where the player stops forward movement. It is not always possible to determine the players number from the video (facing other direction, sunlight, others standing in the way of the camera). But this isn't important as the software could allow for manual inputting of unknown "runs" at a later point after analysis. Determine the distance between two points (i.e. where the player started his "run" and where he finished it). I'm guessing that this would be quite doable if I manually marked the start and end point in the video. But how would I use landmarks in the background to determine the distance (assuming the person taking the video has kept it from jerking around). Question: Do software packages or libraries exist that are specialised enough to assist with writing analysis software to determine a sports persons distance travelled based on video taken of the performance?

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• The OLE DB provider "SQLNCLI10.1" has not been registered.; 42000.

  - by lankylad

  I have a SQL Server 2008 Analysis Services Project. In the Data Source View I have a Named Query which references a single Data Source containing three tables. The Project processes successfully and the cube can be browsed. I recently added a second Data Source to the Data Source View and linked a table to the original Named Query. When I try to process the project, I get the message: OLE DB error: OLE DB or ODBC error: The OLE DB provider "SQLNCLI10.1" has not been registered.; 42000. The Connection String for both Data Sources uses SQLNCLI10.1

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• The OLE DB provider "SQLNCLI10.1" has not been registered.; 42000

  - by lankylad

  I have a SQL Server 2008 Analysis Services Project. In the Data Source View I have a Named Query which references a single Data Source containing three tables. The Project processes successfully and the cube can be browsed. I recently added a second Data Source to the Data Source View and linked a table to the original Named Query. When I try to process the project, I get the message: OLE DB error: OLE DB or ODBC error: The OLE DB provider "SQLNCLI10.1" has not been registered.; 42000. The Connection String for both Data Sources uses SQLNCLI10.1

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• How do I resolve the error "The file exists" when restoring a cube backup?

  - by Ant

  I'm trying to restore a cube backup (a .abf file) using SQL Server Management Studio, but I'm getting the error message: The following system error occurred: The file exists. . (Microsoft SQL Server 2005 Analysis Services) (yes, there really are two dots) Does anyone know how to resolve this so I can restore the backup? Here are the steps I'm using: Open Microsoft SQL Server Management Studio Make the connection to the AS server Right-click on the Databases node on the server tree view Choose Restore... Type in a new database name in Restore database Select the backup file in From backup file Enter the correct password Optionally tick Allow database overwrite (it happens both ways) Press OK -- get the above error message

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• How to analyse logs after the site was hacked

  - by Vasiliy Toporov

  One of our web-projects was hacked. Malefactor changed some template files in project and 1 core file of the web-framework (it's one of the famous php-frameworks). We found all corrupted files by git and reverted them. So now I need to find the weak point. With high probability we can say, that it's not the ftp or ssh password abduction. The support specialist of hosting provider (after logs analysis) said that it was the security hole in our code. My questions: 1) What tools should I use, to review access and error logs of Apache? (Our server distro is Debian). 2) Can you write tips of suspicious lines detection in logs? Maybe tutorials or primers of some useful regexps or techniques? 3) How to separate "normal user behavior" from suspicious in logs. 4) Is there any way to preventing attacks in Apache? Thanks for your help.

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• Web log files analyzer

  - by Peter Štibraný

  I already use Google Analytics on my page, but I'd like to get additional info from log files. I've looked at various packages during last days, but nothing impressed me so far. Some requirements: must work on log file level (I use apache combined logs, but can configure apache to produce other types of logs) can generate static reports (windows/linux) or use GUI (windows only) should be easy to add custom user agents, and rerun analysis if it can recognize installation of eclipse plugins from log, that would be big plus understands google serp position referer should not require two days to setup (awstats, I am looking at you) should be still under active developement (i.e. analog isn't good answer) preferrably free, or at not very expensive :-) Any good analyzers programs out there?

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• Why is code quality not popular?

  - by Peter Kofler

  I like my code being in order, i.e. properly formatted, readable, designed, tested, checked for bugs, etc. In fact I am fanatic about it. (Maybe even more than fanatic...) But in my experience actions helping code quality are hardly implemented. (By code quality I mean the quality of the code you produce day to day. The whole topic of software quality with development processes and such is much broader and not the scope of this question.) Code quality does not seem popular. Some examples from my experience include Probably every Java developer knows JUnit, almost all languages implement xUnit frameworks, but in all companies I know, only very few proper unit tests existed (if at all). I know that it's not always possible to write unit tests due to technical limitations or pressing deadlines, but in the cases I saw, unit testing would have been an option. If a developer wanted to write some tests for his/her new code, he/she could do so. My conclusion is that developers do not want to write tests. Static code analysis is often played around in small projects, but not really used to enforce coding conventions or find possible errors in enterprise projects. Usually even compiler warnings like potential null pointer access are ignored. Conference speakers and magazines would talk a lot about EJB3.1, OSGI, Cloud and other new technologies, but hardly about new testing technologies or tools, new static code analysis approaches (e.g. SAT solving), development processes helping to maintain higher quality, how some nasty beast of legacy code was brought under test, ... (I did not attend many conferences and it propably looks different for conferences on agile topics, as unit testing and CI and such has a higer value there.) So why is code quality so unpopular/considered boring? EDIT: Thank your for your answers. Most of them concern unit testing (and has been discussed in a related question). But there are lots of other things that can be used to keep code quality high (see related question). Even if you are not able to use unit tests, you could use a daily build, add some static code analysis to your IDE or development process, try pair programming or enforce reviews of critical code.

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• Where is the Code Analysis (FxCop) function in VS2008?

  - by Russell Giddings

  I've read that FxCop is integrated in to Visual Studio 2008 out of the box as "Code Analysis". I can't find how to run the analysis though. Where is the "Run Code Analysis" function?

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• /analyze flag in Visual Studio 2010 Professional

  - by Martin

  Running Visual Studio 2008 Professional it is possible to enable static code analysis using the /analyze flag (even though this is not supported for the Professional version according to the documentation). In Visual Studio 2010 Professional this no longer works. Instead there is a default /analyze- flag added (one I can't find a GUI setting for). This does not work as well as the VS2008 version (or at all). Can anyone shed some light into this? What does the new /analyze- flag do and is there any way to enable the old analysis?

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• EXTEND_MODEL_CASES SQL 2005 workaround

  - by user282382

  Hi, I have a time series based mining model in SQL 2005 Analysis Serveries. I understand in 2008 you can do what if analysis by using EXTEND_MODEL_CASES with a Natural Prediction Join. I'm looking for a workaround or some method of doing the same thing but with 2005. My time series has 3 inputs, and one predict_only. I'd like to use the prediction function to see what types of prediction it makes for 6-12 time intervals in the future with inputs in a separate table. Is there any way to do this or something similar? Thanks

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• assistance with fxcop

  - by amateur

  I am at present developing a mvc4 project that comunicates to a set of wcf services. I am setting such up in tfs build for a team of developers. I am very much a newbie to fxcop and code analysis in general. I am currently researching it and have some questions following this: Is it recommended to use the rules that come with fxcop? Should it be included as a build task during builds? What is the value from it? Are there guidelines to what rules to abide by or is it best to go with the default? Is it correct to run the analysis as a post build event? I am a newbie to fxcop and would like some feedback. I am as it is integrating stylecop in to my build.

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• Query Execution Failed in Reporting Services reports

  - by Chris Herring

  I have some reporting services reports that talk to Analysis Services and at times they fail with the following error: An error occurred during client rendering. An error has occurred during report processing. Query execution failed for dataset 'AccountManagerAccountManager'. The connection cannot be used while an XmlReader object is open. This occurs sometimes when I change selections in the filter. It also occurs when the machine has been under heavy load and then will consistently error until SSAS is restarted. The log file contains the following error: processing!ReportServer_0-18!738!04/06/2010-11:01:14:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'., ; Info: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'. ---> System.InvalidOperationException: The connection cannot be used while an XmlReader object is open. at Microsoft.AnalysisServices.AdomdClient.XmlaClient.CheckConnection() at Microsoft.AnalysisServices.AdomdClient.XmlaClient.ExecuteStatement(String statement, IDictionary connectionProperties, IDictionary commandProperties, IDataParameterCollection parameters, Boolean isMdx) at Microsoft.AnalysisServices.AdomdClient.AdomdConnection.XmlaClientProvider.Microsoft.AnalysisServices.AdomdClient.IExecuteProvider.ExecuteTabular(CommandBehavior behavior, ICommandContentProvider contentProvider, AdomdPropertyCollection commandProperties, IDataParameterCollection parameters) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.DataExtensions.AdoMdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery() Can anyone shed light on this issue?

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• schedule backup and restore of SSAS 2008 database

  - by Manjot

  Hi, I can backup and restore databases on Microsoft SQL server Analysis Service 2008 using GUI as from Backup SSAS I want to schedule backup and restore it to another server every night. so what i did is : I scripted out the backup and restore process from the GUI. Created a new SQL server agent job in database engine and added a "Run SSAS query" step. Copied the scripts to this step. But it fails. the scripts that the GUI copied out look like: <Backup xmlns="http://schemas.microsoft.com/analysisservices/2003/engine"> <Object> <DatabaseID>DB</DatabaseID> </Object> <File>C:\Backup\DB.abf</File> <AllowOverwrite>true</AllowOverwrite> </Backup> <Restore xmlns="http://schemas.microsoft.com/analysisservices/2003/engine"> <File>\\server\C$\Backup\DB.abf</File> <DatabaseName>DB</DatabaseName> <AllowOverwrite>true</AllowOverwrite> </Restore> Any help please?

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• Query Execution Failed in Reporting Services reports

  - by Chris Herring

  I have some reporting services reports that talk to Analysis Services and at times they fail with the following error: An error occurred during client rendering. An error has occurred during report processing. Query execution failed for dataset 'AccountManagerAccountManager'. The connection cannot be used while an XmlReader object is open. This occurs sometimes when I change selections in the filter. It also occurs when the machine has been under heavy load and then will consistently error until SSAS is restarted. The log file contains the following error: processing!ReportServer_0-18!738!04/06/2010-11:01:14:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'., ; Info: Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'AccountManagerAccountManager'. ---> System.InvalidOperationException: The connection cannot be used while an XmlReader object is open. at Microsoft.AnalysisServices.AdomdClient.XmlaClient.CheckConnection() at Microsoft.AnalysisServices.AdomdClient.XmlaClient.ExecuteStatement(String statement, IDictionary connectionProperties, IDictionary commandProperties, IDataParameterCollection parameters, Boolean isMdx) at Microsoft.AnalysisServices.AdomdClient.AdomdConnection.XmlaClientProvider.Microsoft.AnalysisServices.AdomdClient.IExecuteProvider.ExecuteTabular(CommandBehavior behavior, ICommandContentProvider contentProvider, AdomdPropertyCollection commandProperties, IDataParameterCollection parameters) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.AnalysisServices.AdomdClient.AdomdCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.DataExtensions.AdoMdCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.ReportingServices.OnDemandProcessing.RuntimeDataSet.RunDataSetQuery() Can anyone shed light on this issue?

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• How do I sort in solr by term frequency in multiple fields?

  - by user1488380

  I have been assigned a task that I should change our solr search to sort a list returned by solr by using the term frequency. Well, I´ve found a way to do so simply by using omitNorms="true". The problem is, that this won´t work when I am doing a field - search, say by name: q=name:jones Following this example I get a list of document whose term frequency is the highest for the "name" field. But What I wanted to achieve is to have a query that is giving my a list of documents whose term frequency is the highest for ALL fields. Example: If a User named Jones also has the word "Jones" in his biography 10 times I want that document ranked higher. Is that possible ?

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• Does all the network card use the same frequency to send signals to wire?

  - by smwikipedia

  Hi, I am comparing my cable TV wire to my network wire. In a TV cable wire, different frequencies are used by different TV channels. And since a certain channel use a fixed frequency, I think the only left way to represent different signal is with the carrier wave's amplitude. But what about the network wire? For all the network card with the same type, do they also use different frequencies to send signals just like TV cable? I vaguely remember that they use frequency adjustment to represent signals. So the frequency should not be a fixed one. So how did all the network cards that sharing the same medium differentiate their own signal from others?

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• What is a name for a job where you do system analysis, project management and data diagramming?

  - by David Archer

  In the last 4 months I've been able to manage a team and step away from the coding for a bit. I've been planning the system in full (both System Analysis and project managing, alongside action and data diagramming) writing the technical documentation, the code's architecture, keeping track of the other guys doing the actual coding, QA, bug reports and dealing with clients. I had to take two days' training on node.js just to see if it would be suitable for a project we were considering. Is there a name for this job? Project Manager and Systems Architect don't quite seem to have the same stuff, and IT manager seems way off. I only want to know so that I can get some qualification towards it and try to move into this kind of work full-time.

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• Where do I find scripts generated by SharePoint MCMS Migration Profiles

  - by HipCzeck

  I am attempting to migrate data from an Microsoft Content Management Server (MCMS) 2002 instance into a new Microsoft Office Sharepoint Server (MOSS) 2007 installation using the Manage Microsoft Content Management Server Migration Profiles tool in the Operations space of MOSS Central Administration. When analyzing the profile, I receive 4 warnings, all of which may be safely ignored, but when I actually execute the migration profile, I get the same warnings and an additional error with a description of: Line 6: Incorrect syntax near ';'. I have seen this error numerous times when mucking about in SQL Server and recognize it as a Transact SQL error message, but can't find the actual SQL statement that is being executed so that I may determine the source of the error. EDIT: After enabling verbose logging on the MCMS 2002 Migration category, and poring through the Unified Logging Service (ULS) logs, I received a more complete stack trace at the point of the error, and a couple more anomalies listed below. Anomalies: The following is an abbreviated listing from the ULS logs around the time of the pre-migration analysis. 01 MCMS 2002 Migration Verbose Start ConnectionCheck 02 MCMS 2002 Migration Verbose End ConnectionCheck 03 MCMS 2002 Migration Verbose Start DatabaseCheck 04 MCMS 2002 Migration High Extra table SiteDeployLock will not be migrated 05 MCMS 2002 Migration High Analysis: Extra index PK__SiteDeployLock__05D8E0BE 06 MCMS 2002 Migration Verbose End DatabaseCheck 07 MCMS 2002 Migration Medium Pre-migration analysis: RootCheckTask is skipped because database check is blocked. 08 MCMS 2002 Migration Medium Pre-migration analysis: RightsGroupNameCheckTask is skipped because database check is blocked. 09 MCMS 2002 Migration Medium Pre-migration analysis: InvalidNameCheckTask is skipped because database check is blocked. 10 MCMS 2002 Migration Medium Pre-migration analysis: LeafNameCheckTask is skipped because database check is blocked. 11 MCMS 2002 Migration Medium Pre-migration analysis: LeafLengthCheckTask is skipped because database check is blocked. 12 MCMS 2002 Migration Medium Pre-migration analysis: TemplateNameCheckTask is skipped because database check is blocked. 13 MCMS 2002 Migration Medium Pre-migration analysis: TemplateCollisionCheckTask is skipped because database check is blocked. 14 MCMS 2002 Migration Medium Pre-migration analysis: PlaceholderCheckTask is skipped because database check is blocked. 15 MCMS 2002 Migration Medium Pre-migration analysis: CheckedOutItemsCheckTask is skipped because database check is blocked. 16 MCMS 2002 Migration Medium Pre-migration analysis: SubmittedItemsCheckTask is skipped because database check is blocked. 17 MCMS 2002 Migration Medium Pre-migration analysis: DeletedItemsCheckTask is skipped because database check is blocked. 18 MCMS 2002 Migration Medium Pre-migration analysis: UserCheckTask is skipped because database check is blocked. 19 MCMS 2002 Migration Medium Pre-migration analysis: FileSizeCheckTask is skipped because database check is blocked. 20 MCMS 2002 Migration Medium Pre-migration analysis: HostHeaderMapCheckTask is skipped because database check is blocked. 21 MCMS 2002 Migration Verbose Start Server check 22 MCMS 2002 Migration Verbose End Server check 23 MCMS 2002 Migration Verbose Start Server emptyness check 24 MCMS 2002 Migration Verbose End Server emptyness check 25 MCMS 2002 Migration Medium PreMigrationAnalyzer: Dry run starts 26 MCMS 2002 Migration Verbose CleanLockProcedure: start. 27 MCMS 2002 Migration High CleanLockProcedure: connection system lock is null 28 MCMS 2002 Migration Verbose Finished all tasks 29 MCMS 2002 Migration High PreMigrationAnalyzer ends with True 30 MCMS 2002 Migration Verbose Migration profile status is changed to AnalysisPassed Specifically, the two High level alerts on lines 4 and 5 are reflected in the migration report as warnings when running Pre-migration Analysis or running the migration profile. In addition, two other warnings appear in the migration report indicating two tables containing data (LayoutProperty and NodeLayout) that should be empty. According to the documentation, warnings are not sufficient cause to stop migration from occurring. Other anomalies are on lines 7-20 indicating a series of tests that are skipped because database check is blocked. The ULS doesn't give any additional warnings to indicate that the database check was blocked or exited in exceptional circumstances. After switching the profile from pre-migration analysis to exporting, there is one medium level warning that LastChangeTime is not set or incorrect. (null). As with all the skipped test names and SQL table names from the warnings, the major search engines are unable (with the exception of LayoutProperty) to find any reference to these objects or tests. Finally, the section of the log indicating the actual live migration attempt is appended below: 01 MCMS 2002 Migration Medium LastChangeTime is not set or incorrect. (null) 02 MCMS 2002 Migration Verbose Set export lock 03 MCMS 2002 Migration Verbose CleanLockProcedure: start. 04 MCMS 2002 Migration Verbose CleanLockProcedure: end. 05 MCMS 2002 Migration Verbose Prepare for export 06 MCMS 2002 Migration Verbose Open connection... 07 MCMS 2002 Migration Verbose Create temporary stored procedures 08 MCMS 2002 Migration Verbose Create temporary tables... 09 MCMS 2002 Migration Verbose Initialize temporary tables... 10 MCMS 2002 Migration Verbose InitializeTemporaryTables: start 11 MCMS 2002 Migration Verbose Initialize export table... 12 MCMS 2002 Migration Verbose InitializeExportTable: start 13 MCMS 2002 Migration Verbose CleanLockProcedure: start. 14 MCMS 2002 Migration Verbose CleanLockProcedure: end. 15 MCMS 2002 Migration High Migration throws exception: Line 6: Incorrect syntax near ';'.. Stacktrace: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.SharePoint.Publishing.Internal.Administration... 16 MCMS 2002 Migration High ....MigrationBatchCommand.ExecuteImmediate(String command) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand.ExecuteWaitingCommands() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDBSerializer.SerializeSelectedExportObject(StringCollection objectAttribs) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeExportTable(ScopeType scopeType) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeTemporaryTables(DateTime lastChangeTime) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess.InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis, SqlConnection connection) at Microsoft.SharePoint.Publishing.Internal.Admin... 17 MCMS 2002 Migration High ...stration.MigrationDataAccess.InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.Export(MigrationDataAccess dataAccess) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.MigrateInternal(). 18 MCMS 2002 Migration Verbose MigrationProfile: GetInstance. Start. 19 MCMS 2002 Migration Verbose MigrationProfile: GetInstance. End. 20 MCMS 2002 Migration Verbose Migration profile status is changed to Failed The stack trace of the failed parsing of the SQL command appear on lines 15-17. A cleaner version of the stack trace is appended below. Full Stack Trace: Migration throws exception: Line 6: Incorrect syntax near ';'.. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning( TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand .ExecuteImmediate(String command) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationBatchCommand .ExecuteWaitingCommands() at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDBSerializer .SerializeSelectedExportObject(StringCollection objectAttribs) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeExportTable(ScopeType scopeType) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeTemporaryTables(DateTime lastChangeTime) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis, SqlConnection connection) at Microsoft.SharePoint.Publishing.Internal.Administration.MigrationDataAccess .InitializeDatabase(DateTime lastChangeTime, Boolean isAnalysis) at Microsoft.SharePoint.Publishing.Administration.ContentMigration.Export (MigrationDataAccess dataAccess) at Microsoft.SharePoint.Publishing.Administration.ContentMigration .MigrateInternal(). None of this log information indicates the SQL command that is failing a parser check. I've checked the SQL servers hosting the source and destination databases for a trace of the query, but neither seems to have triggered the parse failure condition. That appears to have happened on the SharePoint server. Are there any other locations I should investigate that might tell me where to find the source of the error?

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• Findbugs and comparing

  - by Rob Goodwin

  I recently started using the findbugs static analysis tool in a java build I was doing. The first report came back with loads of High Priority warnings. Being the obsessive type of person, I was ready to go knock them all out. However, I must be missing something. I get most of the warnings when comparing things. Such as the following code: public void setSpacesPerLevel(int value) { if( value >= 0) { ... produces a high priority warning at the if statement that reads. File: Indenter.java, Line: 60, Type: BIT_AND_ZZ, Priority: High, Category: CORRECTNESS Check to see if ((...) & 0) == 0 in sample.Indenter.setSpacesPerLevel(int) I am comparing an int to an int, seems like a common thing. I get quite a few of that type of error with similar simple comparisons. I have alot of other high priority warnings on what appears to be simple code blocks. Am I missing something here? I realize that static analysis can produce false positives, but the errors I am seeing seem too trivial of a case to be a false positive. This one has me scratching my head as well. for(int spaces = 0;spaces < spacesPerLevel;spaces++){... Which gives the following findbugs warning: File: Indenter.java, Line: 160, Type: IL_INFINITE_LOOP, Priority: High, Category: CORRECTNESS There is an apparent infinite loop in sample.Indenter.indent() This loop doesn't seem to have a way to terminate (other than by perhaps throwing an exception). Any ideas? So basically I have a handful of files and 50-60 high priority warnings similar to the ones above. I am using findbugs 1.3.9 and calling it from the findbugs ant task

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• How can I optimize retrieving lowest edit distance from a large table in SQL?

  - by Matt

  Hey, I'm having troubles optimizing this Levenshtein Distance calculation I'm doing. I need to do the following: Get the record with the minimum distance for the source string as well as a trimmed version of the source string Pick the record with the minimum distance If the min distances are equal (original vs trimmed), choose the trimmed one with the lowest distance If there are still multiple records that fall under the above two categories, pick the one with the highest frequency Here's my working version: DECLARE @Results TABLE ( ID int, [Name] nvarchar(200), Distance int, Frequency int, Trimmed bit ) INSERT INTO @Results SELECT ID, [Name], (dbo.Levenshtein(@Source, [Name])) As Distance, Frequency, 'False' As Trimmed FROM MyTable INSERT INTO @Results SELECT ID, [Name], (dbo.Levenshtein(@SourceTrimmed, [Name])) As Distance, Frequency, 'True' As Trimmed FROM MyTable SET @ResultID = (SELECT TOP 1 ID FROM @Results ORDER BY Distance, Trimmed, Frequency) SET @Result = (SELECT TOP 1 [Name] FROM @Results ORDER BY Distance, Trimmed, Frequency) SET @ResultDist = (SELECT TOP 1 Distance FROM @Results ORDER BY Distance, Trimmed, Frequency) SET @ResultTrimmed = (SELECT TOP 1 Trimmed FROM @Results ORDER BY Distance, Trimmed, Frequency) I believe what I need to do here is to.. Not dumb the results to a temporary table Do only 1 select from `MyTable` Setting the results right in the select from the initial select statement. (Since select will set variables and you can set multiple variables in one select statement) I know there has to be a good implementation to this but I can't figure it out... this is as far as I got: SELECT top 1 @ResultID = ID, @Result = [Name], (dbo.Levenshtein(@Source, [Name])) As distOrig, (dbo.Levenshtein(@SourceTrimmed, [Name])) As distTrimmed, Frequency FROM MyTable WHERE /* ... yeah I'm lost */ ORDER BY distOrig, distTrimmed, Frequency Any ideas?

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• Should I amortize scripting cost via bytecode analysis or multithreading?

  - by user18983

  I'm working on a game sort of thing where users can write arbitrary code for individual agents, and I'm trying to decide the best way to divide up computation time. The simplest option would be to give each agent a set amount of time and skip their turn if it elapses without an action being decided upon, but I would like people to be able to write their agents decision functions without having to think too much about how long its taking unless they really want to. The two approaches I'm considering are giving each agent a set number of bytecode instructions (taking cost into account) each timestep, and making players deal with the consequences of the game state changing between blocks of computation (as with Battlecode) or giving each agent it's own thread and giving each thread equal time on the processor. I'm about equally knowledgeable on both concurrency and bytecode stuff, which is to say not very, so I'm wondering which approach would be best. I have a clearer idea of how I'd structure things if I used bytecode, but less certainty about how to actually implement the analysis. I'm pretty sure I can work up a concurrency based system without much trouble, but I worry it will be messier with more overhead and will add unnecessary complexity to the project.

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• What's going on with my wireless?

  - by Mark Scott

  The WiFi on my Acer laptop (it's a 3810TZ, with Intel Corporation Centrino Wireless-N 1000) works flawlessly on Ubuntu 11.04. On 11.10, it's continually up and down, and it fills the system log with messages such as those below. What is going on? It seems to be unable to decide which regulatory domain it's in. Despite the system configuration being quite clearly set to UK it persists in configuring itself as though it was opeating in Taiwan! Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: WPA: 4-Way Handshake failed - pre-shared key may be incorrect Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: CTRL-EVENT-DISCONNECTED bssid=00:50:7f:72:bf:b0 reason=15 Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: CTRL-EVENT-DISCONNECTED bssid=00:00:00:00:00:00 reason=3 Nov 22 15:34:37 MES3810 kernel: [18239.240355] cfg80211: All devices are disconnected, going to restore regulatory settings Nov 22 15:34:37 MES3810 kernel: [18239.240362] cfg80211: Restoring regulatory settings Nov 22 15:34:37 MES3810 kernel: [18239.240368] cfg80211: Calling CRDA to update world regulatory domain Nov 22 15:34:37 MES3810 kernel: [18239.240408] wlan0: deauthenticating from 00:50:7f:72:bf:b0 by local choice (reason=3) Nov 22 15:34:37 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: 4-way handshake - disconnected Nov 22 15:34:37 MES3810 kernel: [18239.246556] cfg80211: Ignoring regulatory request Set by core since the driver uses its own custom regulatory domain Nov 22 15:34:37 MES3810 kernel: [18239.246563] cfg80211: World regulatory domain updated: Nov 22 15:34:37 MES3810 kernel: [18239.246567] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Nov 22 15:34:37 MES3810 kernel: [18239.246572] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.246577] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.246582] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.246587] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.246592] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Nov 22 15:34:37 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: disconnected - scanning Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: Trying to authenticate with 00:50:7f:72:bf:b0 (SSID='PoplarHouse' freq=2412 MHz) Nov 22 15:34:37 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: scanning - authenticating Nov 22 15:34:37 MES3810 kernel: [18239.509877] wlan0: authenticate with 00:50:7f:72:bf:b0 (try 1) Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: Trying to associate with 00:50:7f:72:bf:b0 (SSID='PoplarHouse' freq=2412 MHz) Nov 22 15:34:37 MES3810 kernel: [18239.512276] wlan0: authenticated Nov 22 15:34:37 MES3810 kernel: [18239.512615] wlan0: associate with 00:50:7f:72:bf:b0 (try 1) Nov 22 15:34:37 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: authenticating - associating Nov 22 15:34:37 MES3810 kernel: [18239.516508] wlan0: RX ReassocResp from 00:50:7f:72:bf:b0 (capab=0x431 status=0 aid=1) Nov 22 15:34:37 MES3810 kernel: [18239.516514] wlan0: associated Nov 22 15:34:37 MES3810 wpa_supplicant[1053]: Associated with 00:50:7f:72:bf:b0 Nov 22 15:34:37 MES3810 kernel: [18239.529097] cfg80211: Calling CRDA for country: TW Nov 22 15:34:37 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: associating - associated Nov 22 15:34:37 MES3810 kernel: [18239.535680] cfg80211: Updating information on frequency 2412 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535688] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535692] cfg80211: Updating information on frequency 2417 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535697] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535702] cfg80211: Updating information on frequency 2422 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535707] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535711] cfg80211: Updating information on frequency 2427 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535716] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535720] cfg80211: Updating information on frequency 2432 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535725] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535730] cfg80211: Updating information on frequency 2437 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535735] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535739] cfg80211: Updating information on frequency 2442 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535744] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535748] cfg80211: Updating information on frequency 2447 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535753] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535757] cfg80211: Updating information on frequency 2452 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535763] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535767] cfg80211: Updating information on frequency 2457 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535772] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535777] cfg80211: Updating information on frequency 2462 MHz for a 20 MHz width channel with regulatory rule: Nov 22 15:34:37 MES3810 kernel: [18239.535782] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535786] cfg80211: Disabling freq 2467 MHz Nov 22 15:34:37 MES3810 kernel: [18239.535789] cfg80211: Disabling freq 2472 MHz Nov 22 15:34:37 MES3810 kernel: [18239.535794] cfg80211: Regulatory domain changed to country: TW Nov 22 15:34:37 MES3810 kernel: [18239.535797] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Nov 22 15:34:37 MES3810 kernel: [18239.535802] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535807] cfg80211: (5270000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) Nov 22 15:34:37 MES3810 kernel: [18239.535812] cfg80211: (5735000 KHz - 5815000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) Nov 22 15:34:38 MES3810 NetworkManager[875]: (wlan0): supplicant interface state: associated - 4-way handshake Any ideas?

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