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  • Circular file references not allowed

    - by Program.X
    Hi, I am having a problem in building my solution in VS2008. Normally, it compiles fine in the environment. Sometimes, it fails with: /xxx_WEB/secure/CMSManagedTargetPage.aspx(1): error ASPPARSE: Circular file references are not allowed. I rebuild and it works fine. Now, however, I am in the middle of setting up a CruiseControl.NET system and am testing my checked out code with MSBuild before I integrate the build into CC. Now, everytime I MSBuild, I get: "Q:\cc\xxx\checked out from svn\xxx.sln" (default target) (1) -> (xxx_WEB target) -> /xxx_WEB/secure/CMSManagedTargetPage.aspx(1): error ASPPARSE: Circular file references are not allowed. Problem is, I can't see where this reference is. I have searched for the reference across the entire solution and canf ind no references to the page itself (CMSManagedTargetPage) anywhere other than in the page or its codebehind, or within a string, eg: C:\dev2008\xxx\IWW.xxx.ASPNET\AspxHttpHandler.cs(82): inputFile = context.Server.MapPath("~/secure/CMSManagedTargetPage.aspx"); C:\dev2008\xxx\IWW.xxx.ASPNET\AspxHttpHandler.cs(83): virtualPath = "~/secure/CMSManagedTargetPage.aspx"; My assembly references are also fine (as far as I know). My Web Application is at the "top" of the dependencies, and nothing references it and therefore the faulting page so cannot cause a circular reference. Of course, the page itself may reference something such as a UserControl within the same assembly/web site, but as mentioned earlier, a search on CMSManagedTargetPage yielded no results so this is not happening. Changing the batch attribute in web.config had no effect on MSBuild. I find it very odd that it "sometimes" fails in VS and always fails in MSBuild. Am I missing some subtlety?

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  • Conversion failed when converting datetime from character string. Linq To SQL & OpenXML

    - by chobo2
    Hi I been following this tutorial on how to do a linq to sql batch insert. http://www.codeproject.com/KB/linq/BulkOperations_LinqToSQL.aspx However I have a datetime field in my database and I keep getting this error. System.Data.SqlClient.SqlException was unhandled Message="Conversion failed when converting datetime from character string." Source=".Net SqlClient Data Provider" ErrorCode=-2146232060 Class=16 LineNumber=7 Number=241 Procedure="spTEST_InsertXMLTEST_TEST" Server="" State=1 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) I am not sure why when I just take the datetime in the generated xml file and manually copy it into sql server 2005 it has no problem with it and converts it just fine. This is my SP CREATE PROCEDURE [dbo].[spTEST_InsertXMLTEST_TEST](@UpdatedProdData nText) AS DECLARE @hDoc int exec sp_xml_preparedocument @hDoc OUTPUT,@UpdatedProdData INSERT INTO UserTable(CreateDate) SELECT XMLProdTable.CreateDate FROM OPENXML(@hDoc, 'ArrayOfUserTable/UserTable', 2) WITH ( CreateDate datetime ) XMLProdTable EXEC sp_xml_removedocument @hDoc C# code using (TestDataContext db = new TestDataContext()) { UserTable[] testRecords = new UserTable[1]; for (int count = 0; count < 1; count++) { UserTable testRecord = new UserTable() { CreateDate = DateTime.Now }; testRecords[count] = testRecord; } StringBuilder sBuilder = new StringBuilder(); System.IO.StringWriter sWriter = new System.IO.StringWriter(sBuilder); XmlSerializer serializer = new XmlSerializer(typeof(UserTable[])); serializer.Serialize(sWriter, testRecords); db.spTEST_InsertXMLTEST_TEST(sBuilder.ToString()); } Rendered XML Doc <?xml version="1.0" encoding="utf-16"?> <ArrayOfUserTable xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <UserTable> <CreateDate>2010-05-19T19:35:54.9339251-07:00</CreateDate> </UserTable> </ArrayOfUserTable>

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  • Open mails in outlook from java using the protocol "mapi://"

    - by Goulutor
    I developp a Java application using Windows Desktop Search from which I can retrieve some information about files on my computer such as urls (System.ItemUrl). An example of such url is file://c:/users/ausername/documents/aninterestingfile.txt for "normal" files. This field give also urls of mail items indexed from Outlook or Thunderbird. Thunderbird's items (only available using vista and seven) are also files (.wdseml). But outlook's items urls start with "mapi://" like : mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/???????????????????????? The problem I have is opening the real item from Java in Outlook using this url. If I copy/paste it in the run dialog of Windows, it works ; it also works if I use "start" followed by the copied/pasted url in command line. The url seems to be encoded in UTF-16. I want to be able to write such code : String url = "mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/????????????????????????"; Runtime.getRuntime().exec("cmd.exe /C start " + url); I doesn't work and I've tried other solutions like : String start = "start"; String url = "mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/????????????????????????"; FileOutputStream fos = new FileOutputStream(new File("test.bat"); fos.write(start.getBytes("UTF16"); fos.write(url.getBytes("UTF16")); fos.close(); Runtime.getRuntime().exec("cmd.exe /C test.bat"); without any success. Using the solution above, the file "test.bat" contains the correct url and the "start" command, but the run of "test.bat" results in the well known error message : '¦' is not recognized as an internal or external command, operable program or batch file. Has anybody an idea to be able to open "mapi://" items from Java ?

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  • Natural language processing - Ideas for beginner's projects

    - by Microkernel
    Hi guys, I am a beginner in NLP and NLTK. I am very interested in NLP and hence joined a weekend course on AI in some local institution, which requires me to do a project for completion of the course, and I decided to do it in NLP. The problem is,the instructor is not good at all for this course (According to me she is just a charlatan) (or may not be very interested in teaching as this is her last batch here after which the institute is going to send her out). So I am stuck in a situation where where I got to finish this project in a month to one and half months period, but as a naive person in the field I am feeling it very difficult to comprehend the things required to decide on project. (Also, as I am working full time, I am not finding enough time to dedicate on this). I considered using NLTK toolkit in python for the project for following reasons. (1) Python is famous for ease of use, rapid prototyping and very active community (considering very short span of time I have, and as I am a C programmer by profession, I need a language that I can learn fast and is simple to use). (2) NLTk has good review, and extensive documentation and a very active community. So the problem is what project should I take up, so that I can learn something and will be able to finish project in time. (I know almost nothing in NLP, don't even know what exactly corpora is... :( ) So, please suggest me some topics that I should consider for the project. Regards, MicroKernel :)

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  • MySQL performance

    - by kapil.israni
    Hi, I have this LAMP application with about 900k rows in MySQL and I am having some performance issues. Background - Apart from the LAMP stack , there's also a Java process (multi-threaded) that runs in its own JVM. So together with LAMP & java, they form the complete solution. The java process is responsible for inserts/updates and few selects as well. These inserts/updates are usually in bulk/batch, anywhere between 5-150 rows. The PHP front-end code only does SELECT's. Issue - the PHP/SELECT queries become very slow when the java process is running. When the java process is stopped, SELECT's perform alright. I mean the performance difference is huge. When the java process is running, any action performed on the php front-end results in 80% and more CPU usage for mysqld process. Any help would be appreciated. MySQL is running with default parameters & settings. Software stack - Apache - 2.2.x MySQL -5.1.37-1ubuntu5 PHP - 5.2.10 Java - 1.6.0_15 OS - Ubuntu 9.10 (karmic)

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  • .NET projects build automation with NAnt/MSBuild + SVN

    - by petr k.
    Hi everyone, for quite a while now, I've been trying to figure out how to setup an automated build process at our shop. I've read many posts and guides on this matter and none of them really fits my specifics needs. My SVN repository is laid out as follows \projects \projectA (a product) \tags \1.0.0.1 \1.0.0.2 ... \trunk \src \proj1 (a VS C# project) \proj2 \documentation Then I have a network share, with a folder for each project (product), which in turn contains the binaries, written documentation and the generated API documentation (via NDoc - each project may have an .ndoc file in the repository) for every historical version (from the tags SVN folder) and for the latest version as well (from the trunk). Basically, what I want to do in a scheduled batch build are these steps: examine the project's SVN folder and identify tags not present in the network share for each of these tags check out the tag folder build (with Release config) copy the resulting binaries to the network share search for .ndoc files generate CHM files via NDoc copy the resulting CHM files to the network share do the same as in 2., but for the HEAD revision of trunk Now, the trouble is, I have no idea where to start. I do not keep .sln files in the repository, but I am able to replace these with MSBuild files which in turn build the C# projects belonging to the specific product. I guess the most troubling part is the examination of the repository for tags which have not been processed yet - i.e. searching the tags and comparing them to a project's directory structure on the network share. I have no idea how to do that in any of the build tools (NAnt, MSBuild). Could you please provide me with some pointers on how to approach this task as a whole and in detail as well? I do not care if I use NAnt, MSBuild, or both. I am aware that this might be rather complex, but every idea and NAnt/MSBuild snippet will be a great help. Thanks in advance.

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  • Programmatically creating vector arrows in KML

    - by mettadore
    Does anyone have any practical examples of programmatically drawing icons as vectors in KML? Specifically, I have data with a magnitude and an azimuth at given coordinates, and I would like to have icons (or another graphical element) generated based on these values. Some thoughts on how I might approach it: Image directory (a brute force way): Make an image director of 360 different image files (probably batch rotate a single image) each pointing in a cooresponding azimuth. I've seen things like "Excel to KML," but am looking for code that I can use within a program, rather than a web utility. Issue: Arrow does not contain magnitude context, so that would have to be a label. I'd rather dynamically lengthen the arrow. Line creation in KML: Perhaps create a formula that creates a line with the origin at the coordinate points, with the length of the line proportional to the magnitute, and angled according to azimuth. There would then be two more lines, perhaps 30 degrees or so extending from the end of the previous line to make the arrow head. Issues: Not a separate image icon, so not sure how it would work in KML. Also not sure how easy it would be to generate this algorithm. Separate image generation: Perhaps create a PHP file that uses imagemagick or something similar to dynamically generate a .png file in a similar method to the above, and then link to the icon using the URI "domain.tld/imagegen.php?magnitude=magvalue&azimuth=azmvalue". Issue: Still have the problem of actually writing the algorithm for image generation. So, the question: has anyone else come up with solutions for programmatic vector (rather than merely arrow) generation?

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  • Environment variable names with parentheses, like %ProgramFiles(x86)%, in PowerShell?

    - by jwfearn
    How does one get the value of environment variable whose name contains parentheses in a PowerShell script? To complicate matters, some variables names contains parentheses while others have similar names without parenteses. For example (using cmd.exe): C:\>set | find "ProgramFiles" CommonProgramFiles=C:\Program Files\Common Files CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files ProgramFiles=C:\Program Files ProgramFiles(x86)=C:\Program Files (x86) We see that %ProgramFiles% is not the same as %ProgramFiles(x86)%. My PowerShell code is failing in a weird way because it's ignoring the part of the environment variable name after the parentheses. Since this happens to match the name of a different, but existing, environment variable I don't fail, I just get the right value of the wrong variable. Here's a test function in the PowerShell scripting language to illustrate my problem: function Do-Test { $ok = "C:\Program Files (x86)" # note space between 's' and '( $bad = "$Env:ProgramFiles" + "(x86)" # uses %ProgramFiles% $bin32 = "$Env:ProgramFiles(x86)" # LINE 6, I want to use %ProgramFiles(x86)% if ( $bin32 -eq $ok ) { Write-Output "Pass" } elseif ( $bin32 -eq $bad ) { Write-Output "Fail: %ProgramFiles% used instead of %ProgramFiles(x86)%" } else { Write-Output "Fail: some other reason" } } And here's the output: PS> Do-Test Fail: %ProgramFiles% used instead of %ProgramFiles(x86)% Is there a simple change I can make to line 6 above to get the correct value of %ProgramFiles(x86)%? *NOTE: In the text of this post I am using batch file syntax for environment variables as a convenient shorthand. For example %SOME_VARIABLE% means "the value of the environment variable whose name is SOME_VARIABLE". If I knew the properly escaped syntax in PowerShell, I wouldn't need to ask this question.*

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  • Referencing .NET Assembly in VB6 won't work

    - by dretzlaff17
    I wrote a .net assembly using c# to perform functions that will be used by both managed and unmanaged code. I have a VB6 project that now needs to use the assembly via COM. I created my .net assembly, made sure that ComVisible is set to true and that it is registered for COM interop via project properties. public class MyClass [ComVisible(true)] public string GetResponse() { return "Testing Response" } } I build the assembly and copied the file into a folder. TestInterop.dll I then run a batch file to register the assembly tool to register the object for COM. cd C:\Windows\Microsoft.NET\Framework\v4.0.30319\ regasm "c:\Program Files\TestApp\TestInterop.dll" /tlb:TestInterop.tlb I open a new VB6 application and reference TestInterop.dll In VB6 I write the following code and it compiles. Dim obj as TestInterop.MyClass Set obj = new TestInterop.MyClass Dim strTest as string strTest = obj.GetRespose() When I run the program it errors on the obj.GetResponse() line. Run-time error' -2147024894 (80070002'): Automation error The system cannot find the file specified Also, the intellesense does not work on obj. I had to type the GetResponse method. Is this normal? Does anyone have any clue what could be wrong or what steps I missed. Thanks!

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  • sharing build artifacts between jobs in hudson

    - by programming panda
    Hi I'm trying to set up our build process in hudson. Job 1 will be a super fast (hopefully) continuous integration build job that will be built frequently. Job 2, will be responsible for running a comprehensive test suite, at a regular interval or triggered manually. Job 3 will be responsible for running analysis tools across the codebase (much like Job 2). I tried using the "Advanced Projects Options use custom workspace" feature so that code compiled in Job 1 can be used in Job 2 and 3. However, it seems that all build artifacts remain inside that Job 1 workspace. I'm I doing this right? Is there a better way of doing this? I guess I'm looking for something similar to a build pipeline setup...so that things can be shared and the appropriate jobs can be executed in stages. (I also considered using 'batch tasks'...but it seems like those can't be scheduled? only triggered manually?) Any suggestions are welcomed. Thanks!

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  • What's the best way to fill or paint around an image in Java?

    - by wsorenson
    I have a set of images that I'm combining into a single image mosaic using JAI's MosaicDescriptor. Most of the images are the same size, but some are smaller. I'd like to fill in the missing space with white - by default, the MosaicDescriptor is using black. I tried setting the the double[] background parameter to { 255 }, and that fills in the missing space with white, but it also introduces some discoloration in some of the other full-sized images. I'm open to any method - there are probably many ways to do this, but the documentation is difficult to navigate. I am considering converting any smaller images to a BufferedImage and calling setRGB() on the empty areas (though I am unsure what to use for the scansize on the batch setRGB() method). My question is essentially: What is the best way to take an image (in JAI, or BufferedImage) and fill / add padding to a certain size? Is there a way to accomplish this in the MosaicDescriptor call without side-effects? For reference, here is the code that creates the mosaic: for (int i = 0; i < images.length; i++) { images[i] = JPEGDescriptor.create(new ByteArraySeekableStream(images[i]), null); if (i != 0) { images[i] = TranslateDescriptor.create(image, (float) (width * i), null, null, null); } } RenderedOp finalImage = MosaicDescriptor.create(ops, MosaicDescriptor.MOSAIC_TYPE_OVERLAY, null, null, null, null, null);

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  • Poll multiple desktops/servers on a network remotely to determine the IP Type: Static or DHCP

    - by Charles Laird
    Had a gentleman answer 90% of my original question, which is to say I now have the ability to poll a device that I am running the below script on. The end goal is to obtain IP type: Static or DHCP on all desktop/servers on a network I support. I have the list of servers that I will input in a batch file, just looking for the code to actually poll the other devices on the network from one location. Output to be viewed: Device name: IP Address: MAC Address: Type: Marvell Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller NULL 00:00:F3:44:C6:00 DHCP Generic Marvell Yukon 88E8056 based Ethernet Controller 192.168.1.102 00:00:F3:44:D0:00 DHCP ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); txtLaunch.Text = ("Name\tIP Address\tMAC Address\tType" +"\r\n"); foreach (ManagementObject objMO in objMOC) { StringBuilder builder = new StringBuilder(); object o = objMO.GetPropertyValue("IPAddress"); object m = objMO.GetPropertyValue("MACAddress"); if (o != null || m != null) { builder.Append(objMO["Description"].ToString()); builder.Append("\t"); if (o != null) builder.Append(((string[])(objMO["IPAddress"]))[0].ToString()); else builder.Append("NULL"); builder.Append("\t"); builder.Append(m.ToString()); builder.Append("\t"); builder.Append(Convert.ToBoolean(objMO["DHCPEnabled"]) ? "DHCP" : "Static"); builder.Append("\r\n"); } txtLaunch.Text = txtLaunch.Text + (builder.ToString()); I'm open to recommendations here.

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  • Seeking help with a MT design pattern

    - by SamG
    I have a queue of 1000 work items and a n-proc machine (assume n = 4).The main thread spawns n (=4) worker threads at a time ( 25 outer iterations) and waits for all threads to complete before processing the next n (=4) items until the entire queue is processed for(i= 0 to queue.Length / numprocs) for(j= 0 to numprocs) { CreateThread(WorkerThread,WorkItem) } WaitForMultipleObjects(threadHandle[]) The work done by each (worker) thread is not homogeneous.Therefore in 1 batch (of n) if thread 1 spends 1000 s doing work and rest of the 3 threads only 1 s , above design is inefficient,becaue after 1 sec other 3 processors are idling. Besides there is no pooling - 1000 distinct threads are being created How do I use the NT thread pool (I am not familiar enough- hence the long winded question) and QueueUserWorkitem to achieve the above. The following constraints should hold The main thread requires that all worker items are processed before it can proceed.So I would think that a waitall like construct above is required I want to create as many threads as processors (ie not 1000 threads at a time) Also I dont want to create 1000 distinct events, pass to the worker thread, and wait on all events using the QueueUserWorkitem API or otherwise Exisitng code is in C++.Prefer C++ because I dont know c# I suspect that the above is a very common pattern and was looking for input from you folks.

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  • Practical size limitations for RDBMS

    - by grenade
    I am working on a project that must store very large datasets and associated reference data. I have never come across a project that required tables quite this large. I have proved that at least one development environment cannot cope at the database tier with the processing required by the complex queries against views that the application layer generates (views with multiple inner and outer joins, grouping, summing and averaging against tables with 90 million rows). The RDBMS that I have tested against is DB2 on AIX. The dev environment that failed was loaded with 1/20th of the volume that will be processed in production. I am assured that the production hardware is superior to the dev and staging hardware but I just don't believe that it will cope with the sheer volume of data and complexity of queries. Before the dev environment failed, it was taking in excess of 5 minutes to return a small dataset (several hundred rows) that was produced by a complex query (many joins, lots of grouping, summing and averaging) against the large tables. My gut feeling is that the db architecture must change so that the aggregations currently provided by the views are performed as part of an off-peak batch process. Now for my question. I am assured by people who claim to have experience of this sort of thing (which I do not) that my fears are unfounded. Are they? Can a modern RDBMS (SQL Server 2008, Oracle, DB2) cope with the volume and complexity I have described (given an appropriate amount of hardware) or are we in the realm of technologies like Google's BigTable? I'm hoping for answers from folks who have actually had to work with this sort of volume at a non-theoretical level.

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  • Can this method to convert a name to proper case be improved?

    - by Kelsey
    I am writing a basic function to convert millions of names (one time batch process) from their current form, which is all upper case, to a proper mixed case. I came up with the following so far: public string ConvertToProperNameCase(string input) { TextInfo textInfo = new CultureInfo("en-US", false).TextInfo; char[] chars = textInfo.ToTitleCase(input.ToLower()).ToCharArray(); for (int i = 0; i + 1 < chars.Length; i++) { if ((chars[i].Equals('\'')) || (chars[i].Equals('-'))) { chars[i + 1] = Char.ToUpper(chars[i + 1]); } } return new string(chars);; } It works in most cases such as: JOHN SMITH - John Smith SMITH, JOHN T - Smith, John T JOHN O'BRIAN - John O'Brian JOHN DOE-SMITH - John Doe-Smith There are some edge cases that do no work like: JASON MCDONALD - Jason Mcdonald (Correct: Jason McDonald) OSCAR DE LA HOYA - Oscar De La Hoya (Correct: Oscar de la Hoya) MARIE DIFRANCO - Marie Difranco (Correct: Marie DiFranco) These are not captured and I am not sure if I can handle all these odd edge cases. Can anyone think of anything I could change or add to capture more edge case? I am sure there are tons of edge cases I am not even thinking of as well. All casing should following North American conventions too meaning that if certain countries expect a specific capitalization format, and that differs from the North American format, then the North American format takes precedence.

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  • Usage of putty in command line from Hudson

    - by kij
    Hi, I'm trying to use putty in command line from an hudson job. The command is the following one: putty -ssh -2 -P 22 USERNAME@SERVER_ADDR -pw PASS -m command.txt Where 'command.txt' is a shell script to execute in the server through SSH. If i launch this command from the Window command prompt, it works, the shell script is executed on the server machine. If i launch a build of the hudson job configured with this batch command, it doesn't work. The build is running... and running... and running.. without doing anything, and i have to stop it manually. So my question is: Is it possible to launch an external programm (i.e. putty) from an hudson job ? ps: i tried SSH plugin but... not a really good plugin (pre/post build, fail status of the commands launched not caught by hudson, etc.) Thanks in advance for your help. Best regards. kij EDIT: These are the build logs: [workspace] $ cmd /c call C:\WINDOWS\TEMP\hudson7429256014041663539.bat C:\Hudson\jobs\Artifact deployer\workspace>putty -ssh -2 -P 22 USER@SERV_ADD -pw PASS -m com.txt Le build a été annulé Finished: ABORTED And the Hudson.err.log file at the same time (after a stop): 3 juin 2010 18:27:28 hudson.model.Run run INFO: Artifact deployer #6 aborted java.lang.InterruptedException at java.lang.ProcessImpl.waitFor(Native Method) at hudson.Proc$LocalProc.join(Proc.java:179) at hudson.Launcher$ProcStarter.join(Launcher.java:278) at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:83) at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:58) at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19) at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:601) at hudson.model.Build$RunnerImpl.build(Build.java:174) at hudson.model.Build$RunnerImpl.doRun(Build.java:138) at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:416) at hudson.model.Run.run(Run.java:1241) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:124) My shell script only write "hello" in a "hello.txt" file on the server, and nothing is done.

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  • Ibatis startBatch() only works with SqlMapClient's own start and commit transactions, not with Sprin

    - by Brian
    Hi, I'm finding that even though I have code wrapped by Spring transactions, and it commits/rolls back when I would expect, in order to make use of JDBC batching when using Ibatis and Spring I need to use explicit SqlMapClient transaction methods. I.e. this does batching as I'd expect: dao.getSqlMapClient().startTransaction(); dao.getSqlMapClient().startBatch(); int i = 0; for (MyObject obj : allObjects) { dao.storeChange(obj); i++; if (i % DB_BATCH_SIZE == 0) { dao.getSqlMapClient().executeBatch(); dao.getSqlMapClient().startBatch(); } } dao.getSqlMapClient().executeBatch(); dao.getSqlMapClient().commitTransaction(); but if I don't have the opening and closing transaction statements, and rely on Spring to manage things (which is what I want to do!), batching just doesn't happen. Given that Spring does otherwise seem to be handling its side of the bargain regarding transaction management, can anyone advise on any known issues here? (Database is MySQL; I'm aware of the issues regarding its JDBC pseudo-batch approach with INSERT statement rewriting, that's definitely not an issue here)

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  • Sybase: how can I remove non-printable characters from CHAR or VARCHAR fields with SQL?

    - by Kenny Drobnack
    I'm working with a Sybase database that seems to have non-printable characters in some of the string fields and this is throwing off some of our processing code. At first glance, it seemed to only be newlines and carriage returns, but we also have an ASCII code 27 in there - an ESC character, some accented characters, and some other oddities in there. I have no direct access to change the database, so changing the bad data isn't an option, yet. For now I have to make do with just filtering it out. We're trying to export the table data from one database and load it into a database used by another application in a nightly batch process. Ideally, I'd like to have a function that I can pass a list of characters and just have Sybase return the data with those characters removed. I'd like to keep it something we could do in plain SQL if possible. Something like this to remove characters that are ASCII 0 - 31. select str_replace(FIELD1, (0-31), NULL) as FIELD1, str_replace(FIELD2, (0-31), NULL) as FIELD2 from TABLE So far, str_replace is the nearest I can find, but it only allows replacing one string with another. No support for character ranges and won't let me do the above. We're running on Sybase ASE 12.5 on Unix servers.

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  • Thin and Bundler on Windows Rails

    - by Bob
    Trying to get Thin working with Bundle on Windows, I know, major PITA but anyways, I'm new to Thin and Bundle gem, I'm on Ruby 1.8.6 and Rails 2.3.5 and trying to get someone else's app running on my laptop, the app uses Thin and Bundle gem to install gems required. I noticed that bundle created a .bundle folder under My Documents folder and put all the gems there for the app. When I tried "thin run", it reported 'thin' is not recognized as an internal or external command, operable program or batch file. I check the environment path and it doesn't point to the .bundle folder at all and I found there is a thin.bat in C:\Documents and Settings\Bob\.bundle\ruby\1.8\bin When I tried "C:\Documents and Settings\Bob.bundle\ruby\1.8\bin\thin" start, it gave me another error c:/ruby/lib/ruby/site_ruby/1.8/rubygems.rb:777:in `report_activate_error': Could not find RubyGem thin (>= 0) (Gem::LoadError) from c:/ruby/lib/ruby/site_ruby/1.8/rubygems.rb:211:in `activate' from c:/ruby/lib/ruby/site_ruby/1.8/rubygems.rb:1056:in `gem' from C:/Documents and Settings/Bob/.bundle/ruby/1.8/bin/thin:18 I get the same error if I added "C:\Documents and Settings\Bob.bundle \ruby\1.8\bin" to the env path. Anyone know I can get this working?

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  • How to create reactive tasks for programming competitions?

    - by directx
    A reactive task is sometimes seen in the IOI programming competition. Unlike batch tasks, reactive solutions take input from another program as well as outputting it. The program typically 'query' the judge program a certain number of times, then output a final answer. An example The client program accepts lines one by one, and simply echoes it back. When it encountered a line with "done", it exists immediately. The client program in Java looks like this: import java.util.*; class Main{ public static void main (String[] args){ Scanner in = new Scanner(System.in); String s; while (!(s=in.nextLine()).equals("done")) System.out.println(s); } } The judge program gives the input and processes output from the client program. In this example, it feeds it a predefined input and checks if the client program has echoed it back correctly. A session might go like this: Judge Client ------------------ Hello Hello World World done I'm having trouble writing the judge program and having it judge the client program. I'd appreciate if someone could write a judge program for my example.

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  • How to solve non-linear equations using python

    - by stars83clouds
    I have the following code: #!/usr/bin/env python from scipy.optimize import fsolve import math h = 6.634e-27 k = 1.38e-16 freq1 = 88633.9360e6 freq2 = 88631.8473e6 freq3 = 88630.4157e6 def J(freq,T): return (h*freq/k)/(math.exp(h*freq/(k*T))-1) def equations(x,y,z,w,a,b,c,d): f1 = a*(J(freq1,y)-J(freq1,2.73))*(1-math.exp(-a*z))-(J(freq2,x)-J(freq2,2.73))*(1-math.exp(-z)) f2 = b*(J(freq3,w)-J(freq3,2.73))*(1-math.exp(-b*z))-(J(freq2,x)-J(freq2,2.73))*(1-math.exp(-z)) f3 = c*(J(freq3,w)-J(freq3,2.73))*(1-math.exp(-b*z))-(J(freq1,y)-J(freq1,2.73))*(1-math.exp(-a*z)) f4 = d*(J((freq3+freq1)/2,(y+w)/2)-J((freq3+freq1)/2,2.73))-(J(freq2,x)-J(freq2,2.73))*(1-math.exp(-z)) return (f1,f2,f3,f4) So, I have defined the equations in the above code. However, I now wish to solve the above set of equations using fsolve or other alternative non-linear numerical routine. I tried the following syntax but with no avail: x,y,z,w = fsolve(equations, (1,1,1,1)) I keep getting the error that "x" is not defined. I am executing all commands at the command-line, since I have no idea how to run a batch of commands as above automatically in python. I welcome any advice on how to solve this.

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  • What are some funny loading statements to keep users amused?

    - by Oli
    Nobody likes waiting but unfortunately in the Ajax application I'm working on at the moment, there is one fair-sized pause (1-2 seconds a go) that users have to undergo each and every time they want to load up a chunk of data. I've tried to make the load as interactive as possible. There's an animated GIF alongside a very plain, very dull "Loading..." message. So I thought it might be quite fun to come up with a batch of 50-or-so funny-looking messages and pick from them randomly so the user never knows what they're going to see. The time they would have spent growing impatient is fruitfully used. Here's what I've come up with so far, just to give you an idea. var randomLoadingMessage = function() { var lines = new Array( "Locating the required gigapixels to render...", "Spinning up the hamster...", "Shovelling coal into the server...", "Programming the flux capacitor" ); return lines[Math.round(Math.random()*(lines.length-1))]; } (Yes -- I know some of those are pretty lame -- That's why I'm here :) The funniest I see today will get the prestigious "Accepted Answer" award. Others get votes for participation. Enjoy!!

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  • How to use SQLAlchemy to dump an SQL file from query expressions to bulk-insert into a DBMS?

    - by Mahmoud Abdelkader
    Please bear with me as I explain the problem, how I tried to solve it, and my question on how to improve it is at the end. I have a 100,000 line csv file from an offline batch job and I needed to insert it into the database as its proper models. Ordinarily, if this is a fairly straight-forward load, this can be trivially loaded by just munging the CSV file to fit a schema, but I had to do some external processing that requires querying and it's just much more convenient to use SQLAlchemy to generate the data I want. The data I want here is 3 models that represent 3 pre-exiting tables in the database and each subsequent model depends on the previous model. For example: Model C --> Foreign Key --> Model B --> Foreign Key --> Model A So, the models must be inserted in the order A, B, and C. I came up with a producer/consumer approach: - instantiate a multiprocessing.Process which contains a threadpool of 50 persister threads that have a threadlocal connection to a database - read a line from the file using the csv DictReader - enqueue the dictionary to the process, where each thread creates the appropriate models by querying the right values and each thread persists the models in the appropriate order This was faster than a non-threaded read/persist but it is way slower than bulk-loading a file into the database. The job finished persisting after about 45 minutes. For fun, I decided to write it in SQL statements, it took 5 minutes. Writing the SQL statements took me a couple of hours, though. So my question is, could I have used a faster method to insert rows using SQLAlchemy? As I understand it, SQLAlchemy is not designed for bulk insert operations, so this is less than ideal. This follows to my question, is there a way to generate the SQL statements using SQLAlchemy, throw them in a file, and then just use a bulk-load into the database? I know about str(model_object) but it does not show the interpolated values. I would appreciate any guidance for how to do this faster. Thanks!

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  • Use $_FILES on a page called by .ajax

    - by RachelD
    I have two .php pages that I'm working with. Index.php has a file upload form that posts back to index.php. I can access the $_FILES no problem on index.php after submitting the form. My issue is that I want (after the form submit and the page loads) to use .ajax (jQuery) to call another .php file so that file can open and process some of the rows and return the results to ajax. The ajax then displays the results and recursively calls itself to process the next batch of rows. Basically I want to process (put in the DB etc) the csv in chunks and display it for the user in between chunks. Im doing it this way because the files are 400,000+ rows and the user doesnt want to wait the 10+ min for them all to be processed. I dont want to move this file (save it) because I just need to process it and throw it away and if a user closes the page while its processing the file wont be thrown away. I could cron script it but I dont want to. What I would really like to do is pass the (single) $_FILES through .ajax OR Save it in a $_POST or $_SESSION to use on the second page. Is there any hope for my cause? Heres the ajax code if that helps: function processCSV(startIndex, length) { $.ajax({ url: "ajax-targets/process-csv.php", dataType: "json", type: "POST", data: { startIndex: startIndex, length: length }, timeout: 60000, // 1000 = 1 sec success: function(data) { // JQuery to display the rows from the CSV var newStart = startIndex+length; if(newStart <= data['csvNumRows']) { processCSV(newStart, length); } } }); } processCSV(1, 2); }); P.S. I did try this Passing $_FILES or $_POST to a new page with PHP but its not working for me :( SOS.

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  • Installing and using acts-as-taggable-on

    - by seaneshbaugh
    This is going to be a really dumb question, I just know it, but I'm going to ask anyways because it's driving me crazy. How do I get acts-as-taggable-on to work? I installed it as a gem with gem install acts-as-taggable-on because I can't ever seem to get installing plugins to work, but that's a whole other batch of questions that are all probably really dumb. Anyways, no problems there, it installed correctly. I did ruby script/generate acts_as_taggable_on_migration and rake db:migrate, again no problems. I added acts_as_taggable to the model I want to use tags with, started up the server and then loaded the index for the model just to see if what I've got so far is working and got the following error: undefined local variable or method `acts_as_taggable' for #. I figure that just means I need to do something like require 'acts-as-taggable-on' to my model's file because that's typically what's necessary for gems. So I did that hit refresh and got uninitialized constant ActiveRecord::VERSION. I'm not even going to pretend to begin to know what that means went wrong. Did I go wrong somewhere or there something else I need to do. The installation instructions seem to me like they just assume you generally know what you're doing and don't even begin to explain what to do when things go wrong.

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