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  • OLEDB connection to Access database using DSN

    - by somu
    i want oledb connection using Dsn. I used the following code 'Dsn Create dbRegBase.RegisterDatabase("GEMINI", "Microsoft Access Driver (*.mdb)", True,DBQ=D:\Gemini\GEMINI\database\paints_01_2008-2009.mdb Description=Greenchip Technologies ODBC Database File Path OemToAnsi=No UID=admin PWD=XXXXXX conection code Provider=Microsoft.Jet.OLEDB.4.0;DBQ ='GEMINI';Persist Security Info=False;Jet OleDB:Database Password = XXXXXX But Error come error name is "Could not find installable ISAM" what i do . please tell me.

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  • Separate Database for Integration Testing

    - by john doe
    I am performance integration testing where I fire up the ASPX pages using WatiN and fill the fields and insert into the database. There are couple of problems that I am facing. 1) Should I use a completely separate database for integration testing? I already gave db_test and db_dev. db_test is for unit testing and is cleared after each test. db_dev is for developers. 2) When I run WatiN test which are contained in a separate assembly (not separate from unit test assembly which should be better since WatiN test take so much time to run). So WatiN test fire up the WebApps project and uses their web.config which is pointing to the dev database. Is there anyway I can tell WatiN to use a separate web.config which contains a different database name?

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  • how to store BigInteger values in oracle database.

    - by Bipul
    I have connected Java program to Oracle database using JDBC. I want to store BigInteger values(512 bits) in the database. What should be the type of the column? I m trying like this: I have taken a column of number type in the database. I converted BigInteger to BigDecimal like this: BigInteger b=new BigInteger("5779857570957802579079"); Number n =b; BigDecimal d=(BigDecimal)n; PreparedStatement pstmt=con.prepareStatemant("insert into database values(?,?)"); pstmt.setString(1,"john"); pstmt.setBigDecimal(2,d); I am getting the following exception: javax.servlet.ServletException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.math.BigDecimal root cause java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.math.BigDecimal Is there anything wrong in this code snippet? If there is, please suggest other methods.

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  • How do I send an XML document to an ASP.NET MVC page for manipuation

    - by Decker
    I have some hierarchical data stored as an multiple XML files on the server according to a vendor's schema. In my ASP.NET MVC (2!) application, I'd like the user to choose one of these hierarchies (i.e. file -- I provide a list in my controller's Index action). When the user selects one to "edit" my edit action should return a page that presents the XML hierarchy (it's a representation of a folder tree). So my thoughts are that the view would return HTML that contained a JQuery on load ajax call back to the server for the XML data -- at which point I would present the tree using one of the many JQuery tree controls. On the client side I'd like the user to manipulate the tree and when done, I'd like to post back the new hierarchy where I would replace the original XML file that represents that hierarchy. So my questions are: What form should I use to send the data down? XML or JSON?. If I send down XML then I would have to not only read the XML -- which JQuery can do -- but I would also have to be able to modify that XML and then send it back. Can I use JQuery to modify this XML DOM? And will all the namespace declarations be preserved? What form should I send the data back? If I originally sent the client the hierarchy as JSON (using JsonResult), then presumably I would have a hierarchy of javascript objects. What options would I have to post that back? Would I have to recreate the XML reprentation on the client and post that back? Or should I serialize back to JSON, post that to the server, and then have the server do the work of recreating the XML according to the schema. Thanks for any advice.

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  • How to create a custom ADO Multi Dimensional Catalog with no database

    - by Alan Clark
    Does anyone know of an example of how to dynamically define and build ADO MD (ActiveX Data Objects Multidimensional) catalogs and cube definitions with a set of data other than a database? Background: we have a huge amount of data in our application that we export to a database and then query using the usual SQL joins, groups, sums etc to produce reports. The data in the application is originally in objects and arrays. The problem is the amount of data is so large the export can take 2 hours. So I am trying to figure out a good way of querying the objects in memory, either by a custom OLAP algorithm or library, or ADO MD. But I haven't been able to find an example of using ADO MD without a database behind it. We are using Delphi 2010 so would use ADO ActiveX but I imagine the ADO.NET MD is similar. I realize that if the application data was already stored in a database the problem would solve itself. Also if Delphi had LINQ capability I could query the objects and arrays that way.

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  • iTextSharp last version doesnot support metadata?

    - by zp chen
    Console.WriteLine("Chapter 1 example 6: Meta Information"); // step 1: creation of a document-object Document document = new Document(); try { // step 2: // we create a writer that listens to the document // and directs a PDF-stream to a file PdfWriter.GetInstance(document, new FileStream("Chap0106.pdf", FileMode.Create)); // step 3: we add some metadata and open the document document.AddTitle("Hello World example"); document.AddSubject("This example explains step 6 in Chapter 1"); document.AddKeywords("Metadata, iText, step 6, tutorial"); document.AddCreator("My program using iText#"); document.AddAuthor("Bruno Lowagie"); document.AddHeader("Expires", "0"); document.Open(); // step 4: we add a paragraph to the document document.Add(new Paragraph("Hello World")); } catch (DocumentException de) { Console.Error.WriteLine(de.Message); } catch (IOException ioe) { Console.Error.WriteLine(ioe.Message); } // step 5: we close the document document.Close(); I am just copy the iTextSharp.tutorial. I get the pdf file Chap0106.pdf but metadata show nothing... I am use vs2008 xp system

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  • Using Excel as front end to Access database (with VBA)

    - by Alex
    I am building a small application for a friend and they'd like to be able to use Excel as the front end. (the UI will basically be userforms in Excel). They have a bunch of data in Excel that they would like to be able to query but I do not want to use excel as a database as I don't think it is fit for that purpose and am considering using Access. [BTW, I know Access has its shortcomings but there is zero budget available and Access already on friend's PC] To summarise, I am considering dumping a bunch of data into Access and then using Excel as a front end to query the database and display results in a userform style environment. Questions: How easy is it to link to Access from Excel using ADO / DAO? Is it quite limited in terms of functionality or can I get creative? Do I pay a performance penalty (vs.using forms in Access as the UI)? Assuming that the database will always be updated using ADO / DAO commands from within Excel VBA, does that mean I can have multiple Excel users using that one single Access database and not run into any concurrency issues etc.? Any other things I should be aware of? I have strong Excel VBA skills and think I can overcome Access VBA quite quickly but never really done Excel / Access link before. I could shoehorn the data into Excel and use as a quasi-database but that just seems more pain than it is worth (and not a robust long term solution) Any advice appreciated. Alex

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  • C# .net -> SQLite error: Unable to open the database file

    - by CODe
    Hello all, I'm getting "System.Data.SQLite.SQLiteException: Unable to open the database file." when I attempt to access the database to save a record upon the "first" opening of my program. Here's the thing, it works fine when debugging locally in Visual Studio, but stops working when I package the program in an installer, and then install the program somewhere. I was guessing that it was the location of the database, which I just have set at database.s3db without a path, because it is stored next to the program's exe, but how could that cause problems? I'm at a loss, any further ideas or suggestions for solving this problem would be greatly appreciated.

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  • Unit Test to Run .sql script to SQL Create Database

    - by Lee Englestone
    Can anyone point me in the direction of how I could get a NUnit test to run a .sql file to Create / Setup a database. I know about the the TestFixtureSetUp and TestFixtureTearDown attributes / methods in NUnit. So I KNOW how to call methods before and after all or each unit tests. I'm just unsure of how to load and execute the contents of a .sql file agains a SQL Server 2005 database programatically. Any examples? This is part of our TDD / CI. We are wanting to create the database before and tear down the database after executing unit tests. Cheers, -- Lee

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  • How to include file outside document root?

    - by Brayn
    Hey, What I want do to is to include 'file1.php' from 'domain1' into 'file2.php' on 'domain2'. So what I figured I should do is something like this: file2.php require_once '/var/www/vhosts/domain1/httpdocs/file1.php'; But this won't work for reasons I can't truly grasp. So what I did was to add my path to the include path. Something like: file2.php set_include_path(get_include_path() . PATH_SEPARATOR . "/var/www/vhosts/domain1/httpdocs"); require_once 'file1.php'; So can you please give me some hints as of where I'm doing wrong ? Thanks UPDATE - Either way I get the following error message: Fatal error: require() [function.require]: Failed opening required '/var/www/vhosts/domain1/httpdocs/file1.php' (include_path='.:/php/includes:/usr/share/pear/') in /var/www/vhosts/domain2/httpdocs/file2.php on line 4 Also I have tried this both with safe_mode On and Off. UPDATE2: Also I've changed the permissions to 777 on my test file and I've double-checked the paths to the include file in bash.

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  • Checking if MySQL Database data does not exist

    - by Ben Sinclair
    I have my songs set-up in my MySQL database. Each song is is either assigned multiple locations or has no locations at all. Only the songs that either have no locations assigned in the database or have the location assigned to the ones specified below should be pulled from the database. Hopefully when you understand my query below it will make sense SELECT s.* FROM roster_songs AS s LEFT JOIN roster_songs_locations AS sl ON sl.song_id = s.id WHERE EXISTS ( SELECT sl2.* FROM roster_songs_locations AS sl2 WHERE s.id != sl2.song_id ) OR ( sl.location_id = '88fb5f94-aaa6-102c-a4fa-1f05bca0eec6' OR sl.location_id = '930555b0-a251-102c-a245-1559817ce81a' ) GROUP BY s.id The query almost works except it pulls out of the database songs that are assigned to sl.location_id's that aren't specified in the above query. I think it has something to do with my EXISTS code picking them up... Any ideas how I can get this to work?

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  • Drilling into a drive and changing folder names & document names

    - by yeahumok
    I have a drive on my computer that has folder--some of which have lots of folders w/in other folders and also contain files. I need to migrate these docs into sharepoint, however a LOT of these folders and files have invalid characters that will not allow me to migrate into sharepoint (i.e. " / \ &, etc.) Is there any way to write something in C# that basically removes these invalid characters from all folders and files? Please help!

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  • Need to find latitude and longitude of postcodes and store into my database

    - by Matt
    Hey guys, Ive got a database full of UK Postcodes, now i'd like to be able to store the latitude and longitude of these specific postcodes along with the record with the database. Is there anyway that i can obtain this data free without violating any T&C's? I know i could do this using google maps api for each postcode, but i have way over 20,000 postcodes in this database and to get the lat and lng for each of these postcodes each time is not an option really. Thanks in advance, M

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  • How to save big "database-like" class in python

    - by Rafal
    Hi there, I'm doing a project with reasonalby big DataBase. It's not a probper DB file, but a class with format as follows: DataBase.Nodes.Data=[[] for i in range(1,1000)] f.e. this DataBase is all together something like few thousands rows. Fisrt question - is the way I'm doing efficient, or is it better to use SQL, or any other "proper" DB, which I've never used actually. And the main question - I'd like to save my DataBase class with all record, and then re-open it with Python in another session. Is that possible, what tool should I use? cPickle - it seems to be only for strings, any other? In matlab there's very useful functionality named save workspace - it saves all Your variables to a file that You can open at another session - this would be vary useful in python!

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  • MySQL efficiency as it relates to the database/table size

    - by mlissner
    I'm building a system using django, Sphinx and MySQL that's very quickly becoming quite large. The database currently has about 2000 rows, and I've written a program that's going to populate it with another 40,000 rows in a couple days. Since the database is live right now, and since I've never had a database with this much information in it, I'm worried about some things: Is adding all these rows going to seriously degrade the efficiency of my django app? Will I need to go back through it and optimize all my database calls so they're doing things more cleverly? Or will this make the database slow all around to the extent that I can't do anything about it at all? If you scoff at my 40k rows, then, my next question is, at what point SHOULD I be concerned? I will likely be adding another couple hundred thousand soon, so I worry, and I fret. How is sphinx going to feel about all this? Is it going to freak out when it realizes it has to index all this data? Or will it be fine? Is this normal for it? If it is, at what point should I be concerned that it's too much data for Sphinx? Thanks for any thoughts.

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  • Opening read-only OLEDB connection to MS Access back-end database while allowing updates via separat

    - by djdilicious
    I have a back-end MS Access 2002-2003 database which stores blog entries. I created a separate front-end database with the forms for entering blog posts into the backend database. Finally, I have a website utilizing ASP to display the blog entries. The website connects directly to the backend database using an OLEDB connection object. Whenever I open the form for creating a new post in MS Access, loading the blog post page on the website displays the error: Could not use "; file already in use. I would like to be able to display the older blog posts even though the newest one is in the process of being added.

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