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  • Ruby libraries for parsing .doc files?

    - by Platinum Azure
    Hi all, I was just wondering if anyone knew of any good libraries for parsing .doc files (and similar formats, like .odt) to extract text, yet also keep formatting information where possible for display on a website. Capability of doing similarly for PDFs would be a bonus, but I'm not looking as much for that. This is for a Rails project, if that helps at all. Thanks in advance!

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  • linear algebra libraries for clusters

    - by Abruzzo Forte e Gentile
    Hi all I need to develop applications doing linear algebra + eigenvalue + linear equation solutions over a cluster of pcs ( I have a lot of machines available ). I discovered Scalapack libraries but they seem to me developed long time ago. Do you know if these are other libs available that I should learn doing math & linear algebra in a cluster? My language is C++ and off course I am newbie to this topic. Kind Regards to everybody AFG

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  • How do you traverse and store XML in Blackberry Java app?

    - by Greg
    I'm having a problem accessing the contents of an XML document. My goal is this: Take an XML source and parse it into a fair equivalent of an associative array, then store it as a persistable object. the xml is pretty simple: <root> <element> <category_id>1</category_id> <name>Cars</name> </element> <element> <category_id>2</category_id> <name>Boats</name> </element> </root> Basic java class below. I'm pretty much just calling save(xml) after http response above. Yes, the xml is properly formatted. import java.io.IOException; import java.util.Hashtable; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import java.util.Vector; import net.rim.device.api.system.PersistentObject; import net.rim.device.api.system.PersistentStore; import net.rim.device.api.xml.parsers.DocumentBuilder; import net.rim.device.api.xml.parsers.DocumentBuilderFactory; public class database{ private static PersistentObject storeVenue; static final long key = 0x2ba5f8081f7ef332L; public Hashtable hashtable; public Vector venue_list; String _node,_element; public database() { storeVenue = PersistentStore.getPersistentObject(key); } public void save(Document xml) { venue_list = new Vector(); storeVenue.setContents(venue_list); Hashtable categories = new Hashtable(); try{ DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory. newInstance(); DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder(); docBuilder.isValidating(); xml.getDocumentElement ().normalize (); NodeList list=xml.getElementsByTagName("*"); _node=new String(); _element = new String(); for (int i=0;i<list.getLength();i++){ Node value=list.item(i).getChildNodes().item(0); _node=list.item(i).getNodeName(); _element=value.getNodeValue(); categories.put(_element, _node); } } catch (Exception e){ System.out.println(e.toString()); } venue_list.addElement(categories); storeVenue.commit(); } The code above is the work in progress, and is most likely heavily flawed. However, I have been at this for days now. I can never seem to get all child nodes, or the name / value pair. When I print out the vector as a string, I usually end up with results like this: [{ = root, = element}] and that's it. No "category_id", no "name" Ideally, I would end up with something like [{1 = cars, 2 = boats}] Any help is appreciated. Thanks

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  • Is the Cloud ready for an Enterprise Java web application? Seeking a JEE hosting advice.

    - by Jakub Holý
    Greetings to all the smart people around here! I'd like to ask whether it is feasible or a good idea at all to deploy a Java enterprise web application to a Cloud such as Amazon EC2. More exactly, I'm looking for infrastructure options for an application that shall handle few hundred users with long but neither CPU nor memory intensive sessions. I'm considering dedicated servers, virtual private servers (VPSs) and EC2. I've noticed that there is a project called JBoss Cloud so people are working on enabling such a deployment, on the other hand it doesn't seem to be mature yet and I'm not sure that the cloud is ready for this kind of applications, which differs from the typical cloud-based applications like Twitter. Would you recommend to deploy it to the cloud? What are the pros and cons? The application is a Java EE 5 web application whose main function is to enable users to compose their own customized Product by combining the available Parts. It uses stateless and stateful session beans and JPA for persistence of entities to a RDBMS and fetches information about Parts from the company's inventory system via a web service. Aside of external users it's used also by few internal ones, who are authenticated against the company's LDAP. The application should handle around 300-400 concurrent users building their product and should be reasonably scalable and available though these qualities are only of a medium importance at this stage. I've proposed an architecture consisting of a firewall (FW) and load balancer supporting sticky sessions and https (in the Cloud this would be replaced with EC2's Elastic Load Balancing service and FW on the app. servers, in a physical architecture the load-balancer would be a HW), then two physical clustered application servers combined with web servers (so that if one fails, a user doesn't loose his/her long built product) and finally a database server. The DB server would need a slave backup instance that can replace the master instance if it fails. This should provide reasonable availability and fault tolerance and provide good scalability as long as a single RDBMS can keep with the load, which should be OK for quite a while because most of the operations are done in the memory using a stateful bean and only occasionally stored or retrieved from the DB and the amount of data is low too. A problematic part could be the dependency on the remote inventory system webservice but with good caching of its outputs in the application it should be OK too. Unfortunately I've only vague idea of the system resources (memory size, number and speed of CPUs/cores) that such an "average Java EE application" for few hundred users needs. My rough and mostly unfounded estimate based on actual Amazon offerings is that 1.7GB and a single, 2-core "modern CPU" with speed around 2.5GHz (the High-CPU Medium Instance) should be sufficient for any of the two application servers (since we can handle higher load by provisioning more of them). Alternatively I would consider using the Large instance (64b, 7.5GB RAM, 2 cores at 1GHz) So my question is whether such a deployment to the cloud is technically and financially feasible or whether dedicated/VPS servers would be a better option and whether there are some real-world experiences with something similar. Thank you very much! /Jakub Holy PS: I've found the JBoss EAP in a Cloud Case Study that shows that it is possible to deploy a real-world Java EE application to the EC2 cloud but unfortunately there're no details regarding topology, instance types, or anything :-(

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  • problem with linked libraries or classes??

    - by hemant
    i recently finished one project..now when i create a new navigation project in xcode and try to run it in simulator the application crashes and error in debugger window shows that i am missing some classes which i had used in my previous project(not in this one) and in some cases it gives Couldn't register com.yourcompany.GuessGame with the bootstrap server. Error: unknown error code. This generally means that another instance of this process was already running or is hung in the debugger. is this some problem related to linked libraries??

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  • Pyjamas + Django: project without any external libraries

    - by gruszczy
    I would like to create small project using django and pyjamas. I tried googling for some solution on how to merge those two, but I found only projects using some external libraries using json services. Could anyone give me some advice on how to build such project so I wouldn't have to use them? I would like to use django auth system, but I don't know how to build it all without django templates and rendering.

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  • Linking against multiple shared libraries that all linked against a common static library

    - by live2dream95
    Say you have 2 share libraries, lib1.so and lib2.so, that both have libcommon.a statically linked into them. Would the compiler complain about ambiguous symbol reference if you were to dynamically link both lib1.so and lib2.so? Or would be the compiler be smart enough to know libcommon symbols are shared between lib1 and lib2 and allow you to dynamically link against both?

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  • Storing third-party libraries in source control

    - by graham.reeds
    Should libraries that the application relies on be stored in source control? One part of me says it should and another part say's no. It feels wrong to add a 20mb library that dwarfs the entire app just because you rely on a couple of functions from it (albeit rather heavily). Should you just store the jar/dll or maybe even the distributed zip/tar of the project? What do other people do?

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  • compiling numpy with sunperf atlas libraries

    - by user288558
    I would like to use the sunperf libraries when compiling scipy and numpy. I tried using setupscons.py which seems to check from SUNPERF libraries, but it didnt recognize where mine are: here is a listing of /pkg/linux/SS12/sunstudio12.1 (thats where the sunperf library lives): wkerzend@mosura:/home/wkerzend>ls /pkg/linux/SS12/sunstudio12.1/lib/ CCios/ libdbx_agent.so@ libsunperf.so.3@ amd64/ libfcollector.so@ libtha.so@ collector.jar@ libfsu.so@ libtha.so.1@ dbxrc@ libfsu.so.1@ locale/ debugging.so@ libfui.so@ make.rules@ er.rc@ libfui.so.1@ rw7/ libblacs_openmpi.so@ librtc.so@ sse2/ libblacs_openmpi.so.1@ libscalapack.so@ stlport4/ libcollectorAPI.so@ libscalapack.so.1@ svr4.make.rules@ libcollectorAPI.so.1@ libsunperf.so@ tools_svc_mgr@ I tried to specify this directory in sites.cfg, but I still get the following errors: Checking if g77 needs dummy main - MAIN__. Checking g77 name mangling - '_', '', lower-case. Checking g77 C compatibility runtime ...-L/usr/lib/gcc/x86_64-redhat-linux/3.4.6 - L/usr/lib/gcc/x86_64-redhat-linux/3.4.6 -L/usr/lib/gcc/x86_64-redhat- linux/3.4.6/../../../../lib64 -L/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../.. -L/lib/../lib64 -L/usr/lib/../lib64 -lfrtbegin -lg2c -lm Checking MKL ... Failed (could not check header(s) : check config.log in build/scons/scipy/integrate for more details) Checking ATLAS ... Failed (could not check header(s) : check config.log in build/scons/scipy/integrate for more details) Checking SUNPERF ... Failed (could not check symbol cblas_sgemm : check config.log in build/scons/scipy/integrate for more details)) Checking Generic BLAS ... yes Checking for BLAS (Generic BLAS) ... Failed: BLAS (Generic BLAS) test could not be linked and run Exception: Could not find F77 BLAS, needed for integrate package: File "/priv/manana1/wkerzend/install_dir/scipy-0.7.1/scipy/integrate/SConstruct", line 2: GetInitEnvironment(ARGUMENTS).DistutilsSConscript('SConscript') File "/home/wkerzend/python_coala/numscons-0.10.1-py2.6.egg/numscons/core/numpyenv.py", line 108: build_dir = '$build_dir', src_dir = '$src_dir') File "/priv/manana1/wkerzend/python_coala/numscons-0.10.1-py2.6.egg/numscons/scons-local/scons-local-1.2.0/SCons/Script/SConscript.py", line 549: return apply(_SConscript, [self.fs,] + files, subst_kw) File "/priv/manana1/wkerzend/python_coala/numscons-0.10.1-py2.6.egg/numscons/scons-local/scons-local-1.2.0/SCons/Script/SConscript.py", line 259: exec _file_ in call_stack[-1].globals File "/priv/manana1/wkerzend/install_dir/scipy-0.7.1/build/scons/scipy/integrate/SConscript", line 15: raise Exception("Could not find F77 BLAS, needed for integrate package") error: Error while executing scons command. See above for more information. If you think it is a problem in numscons, you can also try executing the scons command with --log-level option for more detailed output of what numscons is doing, for example --log-level=0; the lowest the level is, the more detailed the output it.----- any help is appreciated Wolfgang

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  • LibreOffice UNO Java API: how to open a document, execute a macro and close it?

    - by MarcoS
    I'm working on LibreOffice server-side: on the server I run soffice --accept=... Then I use Java LibreOffice client API's to apply a macro on a document (calc or writer). The java execution does not give any error, but I do not get the job done (macro code is executed, but it's effects are not in the output file). More, after macro script is invoked, the Basic debugger window appears, apparently stopped on the first line of my macro; F5 does not restart it... This is the relevant code I'm using: try { XComponentContext xLocalContext = Bootstrap.createInitialComponentContext(null); System.out.println("xLocalContext"); XMultiComponentFactory xLocalServiceManager = xLocalContext.getServiceManager(); System.out.println("xLocalServiceManager"); Object urlResolver = xLocalServiceManager.createInstanceWithContext( "com.sun.star.bridge.UnoUrlResolver", xLocalContext); System.out.println("urlResolver"); XUnoUrlResolver xUrlResolver = (XUnoUrlResolver) UnoRuntime.queryInterface(XUnoUrlResolver.class, urlResolver); System.out.println("xUrlResolve"); try { String uno = "uno:" + unoMode + ",host=" + unoHost + ",port=" + unoPort + ";" + unoProtocol + ";" + unoObjectName; Object rInitialObject = xUrlResolver.resolve(uno); System.out.println("rInitialObject"); if (null != rInitialObject) { XMultiComponentFactory xOfficeFactory = (XMultiComponentFactory) UnoRuntime.queryInterface( XMultiComponentFactory.class, rInitialObject); System.out.println("xOfficeFactory"); Object desktop = xOfficeFactory.createInstanceWithContext("com.sun.star.frame.Desktop", xLocalContext); System.out.println("desktop"); XComponentLoader xComponentLoader = (XComponentLoader)UnoRuntime.queryInterface( XComponentLoader.class, desktop); System.out.println("xComponentLoader"); PropertyValue[] loadProps = new PropertyValue[3]; loadProps[0] = new PropertyValue(); loadProps[0].Name = "Hidden"; loadProps[0].Value = Boolean.TRUE; loadProps[1] = new PropertyValue(); loadProps[1].Name = "ReadOnly"; loadProps[1].Value = Boolean.FALSE; loadProps[2] = new PropertyValue(); loadProps[2].Name = "MacroExecutionMode"; loadProps[2].Value = new Short(com.sun.star.document.MacroExecMode.ALWAYS_EXECUTE_NO_WARN); try { XComponent xComponent = xComponentLoader.loadComponentFromURL("file:///" + inputFile, "_blank", 0, loadProps); System.out.println("xComponent from " + inputFile); String macroName = "Standard.Module1.MYMACRONAME?language=Basic&location=application"; Object[] aParams = null; XScriptProviderSupplier xScriptPS = (XScriptProviderSupplier) UnoRuntime.queryInterface(XScriptProviderSupplier.class, xComponent); XScriptProvider xScriptProvider = xScriptPS.getScriptProvider(); XScript xScript = xScriptProvider.getScript("vnd.sun.star.script:"+macroName); short[][] aOutParamIndex = new short[1][1]; Object[][] aOutParam = new Object[1][1]; @SuppressWarnings("unused") Object result = xScript.invoke(aParams, aOutParamIndex, aOutParam); System.out.println("xScript invoke macro" + macroName); XStorable xStore = (XStorable)UnoRuntime.queryInterface(XStorable.class, xComponent); System.out.println("xStore"); if (outputFileType.equalsIgnoreCase("pdf")) { System.out.println("writer_pdf_Export"); loadProps[0].Name = "FilterName"; loadProps[0].Value = "writer_pdf_Export"; } xStore.storeToURL("file:///" + outputFile, loadProps); System.out.println("storeToURL to file " + outputFile); xComponent.dispose(); xComponentLoader = null; rInitialObject = null; System.out.println("done."); System.exit(0); } catch(IllegalArgumentException e) { System.err.println("Error: Can't load component from url " + inputFile); } } else { System.err.println("Error: Unknown initial object name at server side"); } } catch(NoConnectException e) { System.err.println("Error: Server Connection refused: check server is listening..."); } } catch(java.lang.Exception e) { System.err.println("Error: Java exception:"); e.printStackTrace(); }

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  • Makefile: finding include/lib for libraries installed through macports

    - by Henk
    Libraries/include files installed by macports go in /opt/local/lib and /opt/local/include, neither of which are scanned by gcc/ld by default. As a result, a project I'm working on won't compile in that environment. Should this be fixed by manually adding -L/opt/local/lib to my Makefile's LDFLAGS (and -I... as well), or is there some configuration that should be done to fix this globally on the computer?

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  • Qmake project dependencies (linked libraries)

    - by Stick it to THE MAN
    I have a project that links to a number of shared libraries. Lets say project A depends on projects B and C Ideally, I want to impose the following dependencies in my project file: Rebuild project A if either B or C has been rebuilt since last time project A was built Use the output for the relevant configuration (i.e. if building project A in debug mode, then use the debug versions of the libs for project B and C) Does anyone know how I may explicitly express such dependencies in my project file?

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  • PHP beautifiers (libraries for formatting code)

    - by takeshin
    Previously, my intention was to ask: Do you know any open source SQL formatter/beautifier library for PHP projects? But I think, I'd better ask: Which code formatting libraries written in PHP are the best? Let's list them all in one place. My types: for CSS syntax: Css Tidy for PHP: PEAR's PHP_Beautifier for HTML syntax: Tidy

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  • iPhone plotting / charting libraries

    - by sashaeve
    I am looking for good plotting library (line, pie, column charts) which allows to interact with user touches something like in Stocks app. I found a core-plot library but seems like that interaction logic is not well-covered. Please suggest what libraries can be used?

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  • Libraries for text animation in Flex / Actionscript ?

    - by Simon
    Are there any good libraries for cool text animation effects for use in Actionscript (for use in an intro screen or banner). I've given up tryin to use Flash itself because that takes forever, and I dont know which of the many flash text animation tools to choose from. I'd like to be able to dynamically product cool text effects with different messages.

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  • iPhone UI libraries?

    - by Vinnyt
    Has any one encountered any open source iPhone UI Libraries that are good to use in projects to replace some of the standard controls with ones that are more customizable?

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  • Windows Phone 7: Existing Libraries Not Supported?

    - by Peterdk
    I was hoping it was as easy as referencing my existing libraries to use them with WP7. However, it complains about not able to load them because of .Net CF when I actually use them. Do i need to recompile them to .NET CF or something? I thought the big plus of WP7 was: leveraging your existing codebase...? How can I leverage my existing codebase if I need to strip everything out of it and maintain multiple versions?

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