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  • Calling software modules (Java, Perl, etc.) from R

    - by harshsinghal
    I've recently started using R for Natural Language Processing tasks and find that a lot of applications are available in Java and Perl (for my purposes). For example: A few perl modules are available to find distance measures between words by querying Wordnet. I am aware of the R Wordnet package, but it does not perform the tasks that these CPAN modules do. Many Java packages for NLP are out there, which I'd like to use from within R. I know of rJava, RSPerl, the simple system command amongst others, but I'd like more examples of how I could make calls to Java and Perl applications from R. Recently I tried capturing console output from a perl script. cat( 'print "Hello World\n";',file="hello.pl" ) system(command="c:\Perl64\bin\perl hello.pl") system(command=paste(Sys.getenv("COMSPEC"),"/c","C:\Perl64\bin\perl hello.pl")) None of the above system commands showed 'Hello World' on the R console. I've used "system" before to run perl scripts to perform tasks without wanting to capture console output. Any hints and redirection to other more extensive sources of information would be highly appreciated. Thank you

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  • Best Tools for Software Maintenance Engineering

    - by Pev
    Yes, the dreaded 'M' word. You've got a workstation, source control and half a million lines of source code that you didn't write. The documentation was out of date the moment that it was approved and published. The original developers are LTAO, at the next project/startup/loony bin and not answering email. What are you going to do? {favourite editor} and Grep will get you started on your spelunking through the gnarling guts of the code base but what other tools should be in the maintenance engineers toolbox? To start the ball-rolling; I don't think I could live without source-insight for C/C++ spelunking. (DISCLAIMER: I don't work for 'em).

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  • What bug tracking software do you use?

    - by Thomas Owens
    I'm currently looking at Bugzilla and Trac, as they seem to be the most popular (and I'm hoping that also means if there are any problems, it will be easier to get help), but I'm curious what solutions you use or have used and what your thoughts are. I'm currently leaning toward Trac, as it's Wiki functionality can be used to support documentation. But that might not be a good enough reason to jump on Trac.

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  • NUNIT + VS2010 = Unable to copy file from /obj to /bin...being used by another process

    - by TimDog
    I am trying to run some unit tests using NUnit while I have the project open, and VS 2010 cannot rebuild the project while the assembly is loaded in NUnit. I have looked around and haven't found any solutions that seen to fix it. I can close NUnit, then the project builds fine. This is a the same solution based on Rob Conery's BDD demo found here: http://tekpub.com/view/concepts/5 Any thoughts?

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  • Guide on writing my first open source software ?

    - by Kim Jong Woo
    Hello Stackoverflow, Since last August 2009, I have been working on project but then decided to release it as an open source project. The purpose of this project is to provide an alternative to existing commercial & expensive solution. So my question is, how can I get started ? The prototype has been ready since May and now being rewritten in Java. Which license type do I need to pursue ? LGPL? MIT? Thank you, John.

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  • Limit Apache to 1 request per process

    - by Gorilla3D
    I have a few long running processes on apache and when the server gets a bit of a load they all seem to couple into 3-4 processes. I've tried setting the MaxRequestsPerChild to 1 and that works, but spawning new processes all the time is expensive. Here is my current configuration: <IfModule prefork.c> StartServers 25 MinSpareServers 50 MaxSpareServers 50 ServerLimit 512 MaxClients 50 MaxRequestsPerChild 10 </IfModule> <IfModule worker.c> StartServers 25 MaxClients 50 MinSpareThreads 50 MaxSpareThreads 125 ThreadsPerChild 50 MaxRequestsPerChild 10 </IfModule>

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  • Consume a JSON webservice and process data in Android

    - by user1783391
    I am trying to consume a the webservice below http://62.253.195.179/disaster/webservices/login.php?message=[{"email":"[email protected]","password":"welcome"}] This returns a JSON array [{"companyuserId":"2","name":"ben stein","superiorname":"Leon","departmentId":"26","departmentname":"Development","companyId":"23","UDID":"12345","isActive":"1","devicetoken":"12345","email":"[email protected]","phone":"5456465465654","userrole":"1","chngpwdStatus":"1"}] My code is below try{ String weblink = URLEncoder.encode("http://62.253.195.179/disaster/webservices/login.php?message=[{\"email\":\"[email protected]\",\"password\":\"welcome\"}]"); HttpParams httpParameters = new BasicHttpParams(); int timeoutConnection = 7500; HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); int timeoutSocket = 7500; HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); HttpClient client = new DefaultHttpClient(httpParameters); HttpGet request = new HttpGet(); URI link = new URI(weblink); request.setURI(link); HttpResponse response = client.execute(request); BufferedReader rd = new BufferedReader(new InputStreamReader( response.getEntity().getContent())); result = rd.readLine(); JSONObject myData = new JSONObject(result); JSONArray jArray = myData.getJSONArray(""); JSONObject steps = jArray.getJSONObject(0); String name = steps.getString("name"); } catch (JSONException e) { e.printStackTrace(); } But its not working and I am not 100% sure this is the best way to do it. 11-10 10:49:55.489: E/AndroidRuntime(392): java.lang.IllegalStateException: Target host must not be null, or set in parameters.

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  • cruise control turns off on me when i use the system process

    - by zachary
    Cruise control service set to System - Allow user to interact with desktop for the service. I log out with my user id and cruise control turns off. Any idea what is going on here? If I start the service a console window comes up. As soon as I close it cruise control also turns off... I need it to always be on... any ideas?

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  • Making a button click and process using javascript with Asp.Net

    - by user944919
    I'm having two buttons and one button is hidden. Now when I click the visible button I need to do two things 1.Open Iframe. 2.Automatically make the 2nd Button(Hidden)to be clicked. When the second button is clicked I need to display the message on top of the IFrame which I have mentioned as function showStickySuccessToast() Now I am able to open IFrame but I'm unable to make the Hidden button clicked automatically. This is what I'm having: <script type="text/javascript"> $(document).ready(function(){ $("#<%=Button1.ClientID%>").click(function(event){ $('#<%=TextBox1.ClientID%>').change(function () { $('#various3').attr('href', $(this).val()); }); }); function showStickySuccessToast() { $().toastmessage('showToast', { text: 'Finished Processing!', sticky: false, position: 'middle-center', type: 'success', closeText: '', close: function () { } }); } }) </script> Here are my two buttons how I'm working with: <a id="various3" href="#"><asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="Button2_Click"/></a> <asp:Button ID="Button2" runat="server" Text="Button" Visible="False" OnClick="Button2_Click"/> And in the button2_Click event: Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click System.Web.UI.ScriptManager.RegisterClientScriptBlock(Page, GetType(Page), "Script", "showStickySuccessToast();", True) End Sub

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  • Commercial Mapping software - South Africa

    - by Ian
    Hi, I am looking for a good quality and reliable mapping solution for South Africa. We require similar functionality to Bing and Google. ie plotting markers on the map, geocoding, drawing polygons, popups on the map showing content etc. So far Google maps looks like the winner, but are there other options that you would recommend. thanks

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  • ESXi with software iSCSI

    - by jharley
    Has anyone had any luck using the swiSCSI driver on ESXi? Following the instructions from VMWare.com I get to the point where I have the iSCSI HBA showing up but no LUNs/targets are showing up. The iSCSI target is running on Solaris 10 update 5 and works with other initiators fine. The ESXi initiator (from the logs) sees the targets but just logs in and out of them every 2 - 5 seconds. We're using unauthenticated discovery, and over and over in /var/log/messages I see: iSCSI: bus 0 target 0 trying to establish session 0xb203f90 to portal 0, address 10.1.100.9 port 3260 group 1 iSCSI: bus 0 target 0 establish session 0xb203f90 #4848 to port 0, address 10.1.100.9 port 3260 group 1, alias data/ESXi iSCSI: session 0xb203f90 dropping after receiving unexpected opcode 0x60 iSCSI: session 0xb203f90 to data/ESXi dropped iSCSI: session 0xb203f90 to data/ESXi waiting 2 seconds before next login attempt The only other thing that seems out of wack is that my 'Recent Tasks' pane keeps filling with 'Browse Diagnostic Manager' events and /var/log/vmware/hostd.log is filled with messages like this up to two times per second: [2008-09-19 16:05:57.901 'TaskManager' 196621 info] Task Created: haTask-ha-host-vim.DiagnosticManager.browser-776 [2008-09-19 16:05:57.094 'TaskManager' 196621 info] Task Completed: haTask-ha-host-vim.DiagnosticManager.browser-766 Any help would be appreciated.

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  • Process data BEFORE a 301 Redirect?

    - by Jesse
    So, I've been working on a PHP link shortener (I know, just what the world needs). Basically when the page loads, php determines where it needs to go and sends a 301 Header to redirect the browser, like so... Header( "HTTP/1.1 301 Moved Permanently" ); header("Location: http://newsite.com"; Now, I'm trying to add some tracking to my redirects and insert some custom analytics data into a MySQL table before the redirect happen. It works perfectly if I don't specify the a redirect type and just use: header("Location: http://newsite.com"; But, of course as soon as you add in the 301 header, nothing else gets processed. Actually, on the first request, it sends the data to MySQL, but on any subsequent requests there's no communication with the database. I assume it's a browser caching issue, once it's seen the 301 it decides they're no reason to parse anything on future requests. But, does anyone know if there's any way to get around this? I'd really like to keep it as a 301 for SEO purposes (I believe if you don't specify it sends a 404 by default?). I thought about using .htaccess to prepend a file to the page that will do the MySQL work, but with the 301, wouldn't that just get ignored as well? Anyway, I'm not sure if there's any solution other than using a different type of redirect, but I'm ready to give up just yet. So, any suggestions would be much appreciated. Thanks!

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  • Detect/Redirect core dumps (when a software crashes) on Windows

    - by ereOn
    Hi, For my work, I need to create a service that will detect an abnormal program termination and, instead of displaying a message to the user (default behavior), send the generated core dump to a remote server. I'm pretty sure this can be done, but I have absolutely no clue on where to start. Is there any API/registry settings for this ? Thank you.

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