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  • DB2 Transaction log is full. How to flush / clear it?

    - by Mestika
    Hi, I’m working on a experiment regarding to a course I’m taking about tuning DB2. I’m using the EC2 from Amazon (aws) to conduct the experiment. My problem is, however, that I have to test a non-compression against row-compression in DB2 and to do that I’ve created a bsh file that run those experiments. But when I reach to my compression part I get the error ”Transaction log is full”; and no matter how low I set the inserts for it is complaining about my transaction log. I’ve scouted Google for a day now trying to find some way to flush / clear the log or just get rit of it, i don’t need it. I’ve tried to increase the size but nothing has helped. Please, I hope someone has an answer to solve this frustrating problem Thanks - Mestika

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  • Uses of Erlang in Telecom

    - by user94154
    I'm a web developer and a college student majoring in telecommunications. This means I'm decent at programming and I know a little about telecom networks (at a high, non-technical level). I keep reading that Erlang is used all over the telecom industry (supposedly for its performance). I'm wondering if there's anyway I can combine my programming skills with my telecommunications major with Erlang. Is most of the Erlang/telecom stuff closed source? Are there any open source telecom projects written Erlang? UPDATE: sipwiz's comment makes me think in terms of a question larger than "uses of Erlang". How can I leverage a high-level understanding of telecom networks and the telecom regulatory environment with programming. I hope this hasn't veered too off-topic for SO.

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  • Java mail encoding

    - by Argiropoulos Stavros
    Using the code below i can send an email written in non-english and although the subject appears correctly the body appears as gibberish. Any ideas? Thank you public void postMail(String recipient, String subject, String message, String from) throws MessagingException, UnsupportedEncodingException { //Set the host smtp address Properties props = new Properties(); props.put("mail.smtp.host", "mail.infodim.gr"); // create some properties and get the default Session Session session = Session.getDefaultInstance(props, null); // create a message Message msg = new MimeMessage(session); // set the from and to address InternetAddress addressFrom = new InternetAddress(from); msg.setFrom(addressFrom); InternetAddress addressTo=new InternetAddress(recipient); msg.setRecipient(Message.RecipientType.TO, addressTo); // Setting the Subject and Content Type msg.setSubject(subject); msg.setContent(message, "text/plain"); Transport.send(msg); }

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  • ASP.NET MVC Route Contraints with {ID}-{Slug} Format

    - by TimLeung
    I have a route like following, ideally I would like it to match: domain.com/layout/1-slug-is-the-name-of-the-page routes.MapRoute( "Layout", // Route name "layout/{id}-{slug}", // URL with parameters new { controller = "Home", action = "Index", id = @"\d+$" } ); But when I hit the url, I am keep on getting this exception: The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Index(Int32)' in .... The above route will match the following though: domain.com/layout/1-slug or domain.com/layout/1-slug_permalink Seems like the hyphen that separates the ID from the Slug is causing issues.

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  • accepts_nested_attributes_for ignore blank values

    - by Mike
    i have class Profile has_many :favorite_books, :dependent => :destroy has_many :favorite_quotes, :dependent => :destroy accepts_nested_attributes_for :favorite_books, :allow_destroy => true accepts_nested_attributes_for :favorite_quotes, :allow_destroy => true end I have a dynamic form where you press '+' to add new textareas for creating new favorites. What i want to do is ignore the blank ones, I find this harder to sort through in the update controller than a non nested attribute. What i have temporarily is a hack in the after_save callback deleting the empty records. Whats the most rails way to ignore these blank objects? I dont want validation and errors, just a silent deletion/ignore.

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  • How do I make a textbox that only accepts numbers?

    - by Mykroft
    I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of other controls. Ideally this would behave such that pressing a non numeric character would either produce no result or immediately provide the user with feedback about the invalid character.

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  • how to change strip.text labels in ggplot with facet and margin=TRUE

    - by Andreas
    I have looked here but still can't figure it out. How do I change the strip.text.x labels in a ggplot with faceting? Specifically I am using facet_grid with margins. The strip.text label for the margin is "(all)" - but since I am in a non-english speaking country I would rather write "Total" or something similar in my native tongue. opts(stip.text.x=c(levels(facetvariabel,"Total")) does not work. Any ideas? Example (not really the best dataset for this - but I guess it will work) ggplot(cars, aes(x=dist))+geom_bar()+facet_grid(.~speed, margin=T)

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  • How to make an existing socket fail?

    - by Huckphin
    OK. So, this is exactly the opposite of what everyone asks about in network programming. Usually, people ask how to make a broken socket work. I, on the other hand am looking for the opposite. I currently have sockets working fine, and want them to break to re-create this problem we are seeing. I am not sure how to go about intentionally making the socket fail by having a bad read. The trick is this: The socket needs to be a working, established connection, and then it must fail for whatever reason. I'm writing this in C and the drivers are running on a Linux system. The sockets are handled by a non-IP Level 3 protocol in Linux by a Linux Device Driver. I have full access to all of the code-base, I just need to find a way to tease it out so that it can fail. Any ideas?

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  • IA-32: Pushing a byte onto a stack isn't possible on Pentium, why?

    - by Tim Green
    Hi, I've come to learn that you cannot push a byte directly onto the Intel Pentium's stack, can anyone explain this to me please? The reason that I've been given is because the esp register is word-addressable (or, that is the assumption in our model) and it must be an "even address". I would have assumed decrementing the value of some 32-bit binary number wouldn't mess with the alignment of the register, but apparently I don't understand enough. I have tried some NASM tests and come up that if I declare a variable (bite db 123) and push it on to the stack, esp is decremented by 4 (indicating that it pushed 32-bits?). But, "push byte bite" (sorry for my choice of variable names) will result in a kind error: test.asm:10: error: Unsupported non-32-bit ELF relocation Any words of wisdom would be greatly appreciated during this troubled time. I am first year undergraduate so sorry for my naivety in any of this. Tim

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  • Facebook canvas app ASP.NET MVC HttpException: Invalid Model

    - by zznq
    I am working on a Facebook tab application. I am using asp.net MVC 2 with the "official" Microsoft Facebook SDK. Most of my views are working just fine. However, I have one that is causing a huge mess. I am simply returning a List<Tags> to the view and as my ViewModel. This problematic view is simply displaying the list in a foreach loop. Whenever navigate to this view I get a "System.Web.HttpException: Invalid Model" exception. The most puzzling part of all this is that the same code is running without fail on our regular(non-Facebook) app that works just fine with the same code. Any insight into why Facebook and asp.net MVC 2 would be causing this behavior would be much appreciated.

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  • feof() in C file handling

    - by Neeraj
    I am reading a binary file byte-by-byte,i need determine that whether or not eof has reached. feof() doesn't works as "eof is set only when a read request for non-existent byte is made". So, I can have my custom check_eof like: if ( fread(&byte,sizeof(byte),1,fp) != 1) { if(feof()) return true; } return false; But the problem is, in case when eof is not reached, my file pointer is moved a byte ahead. So a solution might be to use ftell() and then fseek() to get it to correct position. Another solution might be to buffer the byte ahead in some temporary storage. Any better solutions?

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  • Incomplete results with Turkish characters in Indexing Service

    - by Ishmaeel
    Finally I get to post my i's and I's as promised... I've found that MS Indexing Service returns incomplete results when searching for documents with Turkish content. It seems to choke especially regarding the (incorrectly-named) 4I problem. Apparently, MS has fixed this problem with a Windows 2000 http://support.microsoft.com/kb/325333 service pack, but the bug seems to be resurrected with Windows XP & 2003. Anybody uses Indexing Service in their line of work? Similar problems with other non-English locales? Any solutions?

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  • How to detect if a page is an RSS or ATOM feed

    - by Pepper
    Hello, I'm currently building a new online Feed Reader in PHP. One of the features i'm working on is feed auto-discovery. If a user enters a website URL, the script will detect that its not a feed and look for the real feed URL by parsing the HTML for the proper tag. The problem is, the way im currently detecting if the URL is a feed or a website only works part of the time, and I know it can't be the best solution. Right now im taking the CURL response and running it through simplexml_load_string, if it can't parse it I treat it as a website. Here is the code. $xml = @simplexml_load_string( $site_found['content'] ); if( !$xml ) // this is a website, not a feed { // handle website } else { // parse feed } Obviously, this isn't ideal. Also, when it runs into an HTML website that it can parse, it thinks its a feed. Any suggestions on a good way of detecting the difference between a feed or non-feed in PHP? Thanks, Pepper http://feedingo.com

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  • PyQt: Get the position of QGraphicsWidgets in a QGraphicsGridLayout

    - by Chris Phillips
    I have a fairly simple PyQt application in which I'm placing instances of a QGraphicsWidget in a QGraphicsGridLayout and want to connect the widgets with lines drawn with a QGraphicsPath. Unfortunately, no matter what I try, I always get (0, 0) back as the position for both the start and end widgets. I'm constructing the graph with a recursive function that adds widgets to the scene and layout. Once the recursive function is complete, the layout is added to a new widget, which is added to the scene to show everything. The edges are added to the scene as widgets are created. How do I get a non-zero position of any of the widgets in the grid layout?

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  • ODBC datasource for DB2 on 64 bit Windows 2008

    - by Rob Vermeulen
    First of all, sorry for this non-programming question. I just finished development of some code that communicates with DB2 and want to test/deploy it on a Windows 2008 machine. I'm a bit concerned about not being able to find a working ODBC datasource (DSN/client) driver for DB2 on Windows 2008 (x64). I have a 32-bit driver for XP but that one (obviously) won't install on 2008-64. The IBM web site comes up with 1844 results when searching for "ODBC Windows 2008", but none of them are relevant. The web site's also a pain to use, btw. While googling around I found some solutions by 3rd party vendors but they all want money :) And the DB2 client and ODBC driver from IBM have always been free-of-charge. Does anyone have a solution?

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  • Sharepoint Foundation 2010 development single machine installation problems

    - by Robert Koritnik
    I'm having problems installing development machine for Sharepoint (Foundation) 2010. This is what I did so far on the same machine: Installed a clean Windows 7 x64 with 4GB of RAM without being part of any domain. Just a simple standalone machine. Enabled IIS related features as described here except IIS6 related ones (two of them) Installed SQL Server 2008 R2 Development Edition (DB Engine and Writer being enabled but not SQL Agent) Installed Visual Studio 2010 Premium Started installing Sharepoint Foundation 2010 with first extracting files, changing config to enable Windows 7 installation and then installed it as Server Farm (then Complete) to avoid installing SQL Express. Created a separate SPF_CONFIG local user with Logon on as a service right. Opened SPF Management Shell and run New-SPConfigurationDatabase so I am able to use a non-domain username (SPF_CONFIG that I created in the previous step) But all I get is this: The outcome after this error is: Database Sharepoint2010Config is created User SPF_CONFIG is added to SQL Server and attached to this newly created database as dbowner and checking SQL server security logins this user has following rights: dbcreator securityadmin public

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  • How to add a dynamic library to Android?

    - by Malcolm
    I want to add a non-native shared library to Android so every application on the device would be able to use it. I mean using packaged classes just like a core library as if they were present in the application itself. I studied Android source code to figure out a way to add a new path to the application ClassLoader and found out that it is created during startup and there's no way to change the paths later. I can use my own ClassLoader, but all I will get after loading a class will be a reference to a Class object. This way I will be bound to work through reflection mechanism, which is slower than the native execution system. Is there any way to organise a shared library on Android?

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  • ServletContext getResource not working

    - by David
    I'm trying to use ServletContext.getResource to retrieve a java.net.url reference to an image file (which I will then include in a PDF library using iText). When I use ServletContext.getRealPath("picture.jpg"), I get back a string URL. However, getResource always returns null. Example 1: String picture = ServletContext.getRealPath("picture.jpg"); // picture contains a non-null String with the correct path URL pictureURL = ServletContext.getResource(picture); // pictureURL is always null Example 2: URL pictureURL = ServletContext.getResource("picture.jpg"); // pictureURL is always null So what is the correct way to build a java.net.URL object pointing to a file in my webapps folder? Why does getRealPath work but not getResource? In case it helps at all, here is my folder structure webapps - mySite - picture.jpg Does my picture need to be stored in either WEB-INF or WEB-INF/classes to be read by getResource?

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  • F# working with DataReader

    - by mamu
    let getBytesData x = let len = reader.GetBytes(1, int64 0, null, 0, 0); // Create a buffer to hold the bytes, and then // read the bytes from the DataTableReader. let buffer : byte array = [||] reader.GetBytes(1, int64 0, buffer, 0, int32 len) |> ignore buffer let retVal = List [ while reader.Read() do yield (reader.GetString(0), getBytesData reader, reader.GetDateTime(2)) ] I have above code to read bytes[] from datareader. getBytesData function takes reader and returns bytes[] from reader. everything works fine but it getBytesData function is working very non-functional way. Is there any way i can optimize in F#? Sorry for kind of question, but i have started a new project on F# to squeeze all juice out of it, so trying to get each line most optimal way

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  • Why does [NSOutlineView clickedRow] always return -1?

    - by jxpx777
    I have a fairly pedestrian non-editable NSOutlineView setup. In the bindings for the outline view, I have set the binding to my file's owner (MyDocument FWIW) with a selector of outlineViewWasDoubleClicked The method exists and is called, but when I call -clickedRow it consistently returns -1 rather than the row number of the row that I double clicked to trigger the method. My _outlineView is an IBOutlet and I've verified that it is hooked up correctly by using -selectedRow for the method rather than -clickedRow (I would rather use -clickedRow though because it seems unintuitive for the user to have a row selected, double click another row to do something with it and have the method triggered with the row they had selected.) My best guess right now is that the -clickedRow value is getting cleared out before my method fires, but I don't know where or what might be gobbling it up. Thanks in advance for any help.

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  • Capture Silverlight 4 event when panel clicked

    - by Eric J.
    I have a small Silverlight 4 app that essentially consists of a grid containing a label and a combo box. When I click the label, I replace it with a second text box so that I can edit the label (much the way you can edit the name of a Silverlight control in VS2010). I have a LostFocus event handler on the text box that will end editing when the control loses focus (restoring the updated label). Trouble is, users tend to click on the panel when they are done editing rather than on another control (or hitting Enter, which is also supported). I tried adding a left mouse down event handler to the panel. However, that only fires when the text box does not have the focus (I guess the text box captured the mouse?) Is there an approach to recognize that a non-input control was clicked that would enable me to terminate edit mode?

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  • Zend_Form -> Nicely change setRequired() validate message

    - by dittonamed
    Say I create a text element like this: $firstName = new Zend_Form_Element_Text('firstName'); $firstName->setRequired(true); Whats the best way to change the default error message from: Value is empty, but a non-empty value is required to a custom message? I read somewhere that to replace the message, just use addValidator(..., instead (NO setRequired), like this: $firstName = new Zend_Form_Element_Text('firstName'); $firstName->addValidator('NotEmpty', false, array('messages'=>'Cannot be empty')); but in my testing, this doesn't work - it doesn't validate at all - it will pass with an empty text field. Using both (addValidator('NotEmp.. + setRequired(true)) at the same time doesn't work either - it double validates, giving two error messages. Any ideas? Thanks!

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  • Asterisk AGI framework for IVR; Adhearsion alternative?

    - by tedbehling
    I am trying to get started writing scalable, telecom-grade applications with Asterisk and Ruby. I had originally intended to use the Adhearsion framework for this, but it does not have the required maturity and its documentation is severely lacking. AsteriskRuby seems to be a good alternative, as it's well documented and appears to be written by Vonage. Does anyone have experience deploying AGI-based IVR applications? What framework, if any, did you use? I'd even consider a non-Ruby one if it's justified. Thanks!

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  • formula for best approximation for center of 2D rotation with small angles

    - by RocketSurgeon
    This is not a homework. I am asking to see if problem is classical (trivial) or non-trivial. It looks simple on a surface, and I hope it is truly a simple problem. Have N points (N = 2) with coordinates Xn, Yn on a surface of 2D solid body. Solid body has some small rotation (below Pi/180) combined with small shifts (below 1% of distance between any 2 points of N). Possibly some small deformation too (<<0.001%) Same N points have new coordinates named XXn, YYn Calculate with best approximation the location of center of rotation as point C with coordinates XXX, YYY. Thank you

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