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• WCF wrapper COM object

  - by LarryR

  I have a third party COM component (they don't offer a .Net assy), that has the additional feature that it only works under x86 compile. I am trying to wrap this in a WCF service, but if I select x86, the service won't start (System.BadImageFormatException). Any workarounds for this ? Thanks Larry

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• Registry Problem

  - by Dominik

  I made a launcher for my game server. (World of Warcraft) I want to get the installpath of the game, browsed by the user. I'm using this code to browse, and get the installpath, then set some other strings from the installpath string, then just strore in my registry key. using System; using System.Drawing; using System.Reflection; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using Microsoft.Win32; using System.IO; using System.Net.NetworkInformation; using System.Diagnostics; using System.Runtime; using System.Runtime.InteropServices; using System.Security; using System.Security.Cryptography; using System.Text; using System.Net; using System.Linq; using System.Net.Sockets; using System.Collections.Generic; using System.Threading; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } string InstallPath, WoWExe, PatchPath; private void Form1_Load(object sender, EventArgs e) { RegistryKey LocalMachineKey_Existence; MessageBox.Show("Browse your install location.", "Select Wow.exe"); OpenFileDialog BrowseInstallPath = new OpenFileDialog(); BrowseInstallPath.Filter = "wow.exe|*.exe"; if (BrowseInstallPath.ShowDialog() == DialogResult.OK) { InstallPath = System.IO.Path.GetDirectoryName(BrowseInstallPath.FileName); WoWExe = InstallPath + "\\wow.exe"; PatchPath = InstallPath + "\\Data\\"; LocalMachineKey_Existence = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\ExistenceWoW"); LocalMachineKey_Existence.SetValue("InstallPathLocation", InstallPath); LocalMachineKey_Existence.SetValue("PatchPathLocation", PatchPath); LocalMachineKey_Existence.SetValue("WoWExeLocation", WoWExe); } } } } The problem is: On some computer, it doesnt stores like it should be. For example, your wow.exe is in C:\ASD\wow.exe, your select it with the browse windows, then the program should store it in the Existence registry key as C:\ASD\Data\ but it stores like this: C:\ASDData , so it forgots a backslash :S Look at this picture: http://img21.imageshack.us/img21/2829/regedita.jpg My program works cool on my PC, and on my friends pc, but on some pc this "bug" comes out :S I have windows 7, with .NEt 3.5 Please help me.

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• i want to save my information eventhought application is terminated?

  - by Ankit

  i have used segment control for distance measuring in km or Miles so if i select any option from both and application will terminate and when i start application it should show the lastly used value.

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• nHibernate criteria - how do I implement 'having count'

  - by AWC

  I have the following table structure and I want a turn the query into a NH criteria but I'm not sure how to incorporate the correct 'Projection', does anyone know how? And the query I want to turn into a Criteria: select ComponentId from Table_1 where [Name] = 'Contact' or [Name] = 'CurrencyPair' group by ComponentId having count(VersionId) = 2

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• Transformation of records 1 column 3 row -> 1 row 3 column

  - by Nehal Rupani

  First look at below query SELECT count(id) as total_record, id, modeller, MONTHNAME(completed_date) as current_month, Quarter(completed_date) as current_quarter, Difficulty, YEAR(completed_date) as current_year FROM model WHERE modeller != '' AND completed_date BETWEEN '2010-04-01' AND '2010-05-31' AND Difficulty != '' Group by Difficulty, Month(completed_date) Order by Month(completed_date) ASC Results I am getting is Modeller Month Year Difficulty ------------------------------------- XYZ Jan 2010 23 XYZ Jan 2010 14 XYZ Jan 2010 15 ABC Feb 2010 5 ABC Feb 2010 14 ABC Feb 2010 6 I want result like Modeller Month Year Difficulty -------------------------------------- XYZ Jan 2010 23, 14, 15 ABC Feb 2010 5, 14, 6 My database is Mysql for application i am developing so any help would be greatly appericated.

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• How can I modify my classes to use it's collections in WPF TreeView

  - by Victor

  Hello, i'am trying to modify my objects to make hierarchical collection model. I need help. My objects are Good and GoodCategory: public class Good { int _ID; int _GoodCategory; string _GoodtName; public int ID { get { return _ID; } } public int GoodCategory { get { return _GoodCategory; } set { _GoodCategory = value; } } public string GoodName { get { return _GoodName; } set { _GoodName = value; } } public Good(IDataRecord record) { _ID = (int)record["ID"]; _GoodtCategory = (int)record["GoodCategory"]; } } public class GoodCategory { int _ID; string _CategoryName; public int ID { get { return _ID; } } public string CategoryName { get { return _CategoryName; } set { _CategoryName = value; } } public GoodCategory(IDataRecord record) { _ID = (int)record["ID"]; _CategoryName = (string)record["CategoryName"]; } } And I have two Collections of these objects: public class GoodsList : ObservableCollection<Good> { public GoodsList() { string goodQuery = @"SELECT `ID`, `ProductCategory`, `ProductName`, `ProductFullName` FROM `products`;"; using (MySqlConnection conn = ConnectToDatabase.OpenDatabase()) { if (conn != null) { MySqlCommand cmd = conn.CreateCommand(); cmd.CommandText = productQuery; MySqlDataReader rdr = cmd.ExecuteReader(); while (rdr.Read()) { Add(new Good(rdr)); } } } } } public class GoodCategoryList : ObservableCollection<GoodCategory> { public GoodCategoryList () { string goodQuery = @"SELECT `ID`, `CategoryName` FROM `product_categoryes`;"; using (MySqlConnection conn = ConnectToDatabase.OpenDatabase()) { if (conn != null) { MySqlCommand cmd = conn.CreateCommand(); cmd.CommandText = productQuery; MySqlDataReader rdr = cmd.ExecuteReader(); while (rdr.Read()) { Add(new GoodCategory(rdr)); } } } } } So I have two collections which takes data from the database. But I want to use thats collections in the WPF TreeView with HierarchicalDataTemplate. I saw many post's with examples of Hierarlichal Objects, but I steel don't know how to make my objects hierarchicaly. Please help.

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• writing an Dynamic query in sqlserver

  - by prince23

  hi, DECLARE @sqlCommand varchar(1000) DECLARE @columnList varchar(75) DECLARE @city varchar(75) DECLARE @region varchar(75) SET @columnList = 'first_name, last_name, city' SET @city = '''London''' SET @region = '''South''' SET @sqlCommand = 'SELECT ' + @columnList + ' FROM dbo.employee WHERE City = ' + @city and 'region = '+@region --and 'region = '+@region print(@sqlCommand) EXEC (@sqlCommand) when i run this command i get an error Msg 156, Level 15, State 1, Line 8 Incorrect syntax near the keyword 'and'. and help would great thank you

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• multilingual sparql

  - by Magesh

  i want to query a triple store which is multilingual , Query that works : select * where {?s ?p "sdfsdf"@en} i want that "sdfsdf" to be an attribute in general like ?o@en how should i query then ?

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• How can I translate this SQL statement to a Linq-to-SQL approach?

  - by Sergio Tapia

  For example, imagine that I want to see if a user exists in my database: Select * from Users where inputID = Users.ID Then if that result brought 0 items, then the user exists, correct? How can I do something like this using a pure Linq-to-SQL class?

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• How to find out whether SqlCe query Has rows?

  - by Tomas

  Hi, In my simple db I use SqlCe and I cannot figure out how to correctly find out whether the query has rows or not. HasRows does not work. So far I have this: _DbCommand.CommandText="SELECT * FROM X" SqlCeDataReader reader=_DbCommand.ExecuteQuery(); if (reader.FieldCount!=0) //I thought it could work (O rows - 0 fields?), but its true even with 0 rows { while (reader.Read()) { // } } Thanks

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• PostgreSQL: Why does this simple query not use the index?

  - by David

  I have a table t with a column c, which is an int and has a btree index on it. Why does the following query not utilize this index? explain select c from t group by c; The result I get is: HashAggregate (cost=1005817.55..1005817.71 rows=16 width=4) -> Seq Scan on t (cost=0.00..946059.84 rows=23903084 width=4) My understanding of indexes is limited, but I thought such queries were the purpose of indexes.

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• Anyone knws how to repaint another image ? C# windows mobile device to samsung omnia

  - by cheesebunz

  private void pictBoxUp_Click(object sender, EventArgs e) { label1.Text = "Up"; pictBoxUp.Image=System.Drawing.Bitmap("how do i select path for another image in my desktop"); } these are the codes i'm testing around

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• How to take first 4 time for each person.

  - by Gopal

  Using Access Database Table ID Time 001 100000 001 100005 001 103000 001 102500 001 110000 001 120000 001 113000 ..., From the above table, i want to take first four time Query like Select id, min(time) from table group by id I want to take first four min(time) for each person Expected Output ID Time 001 100000 001 100005 001 102500 001 103000 002 ..., How to make a query for this condition?

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• Quick create C# properties from variables

  - by user204588

  Hello, For C#, I hate writing out the variables and then writing out all the properties. Isn't there a way to select all variables, right click and create all the properties.

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• Add elements to XDocument after LINQ Query

  - by Jon

  I have the following XML LINQ query from my XDocument. var totals = (from x in MyDocument.Descendants("TOTALS") select x).FirstOrDefault(); Once I have found my totals node I need to add some elements to that node and push that change to the XDocument.

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• How to order records by a computed column in Criteria API?

  - by bilalsalih

  How can I write the below HQL query using the Criteria API? select s.Name, sum(q.PointsObtained), sum(q.TotalPoints) from Student s join s.Quizzes order by sum(q.PointsObtained) / sum(q.TotalPoints) desc

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• MYSQL DELETE from a table [closed]

  - by Hossein

  Possible Duplicate: MySQL DELETE in a single table Hi, I have this table: userurltag(id,user,Url,tag) I want to remove rows that contain urls that are used by only one user, can someone help me? It seems that DELETE...(SELECT...) is not supported in Mysql.

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• selecting the first of multiple classes

  - by gleddy

  Not sure if you can do this, but I want to select the first of two classes of an element with jQuery and return it's first class only. <div class="module blue"> I want to return 'module'. tried this: var state = $('body').attr('class').first(); but none of that seems to work, thanks for any advice.

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• Getting $_POST variable from table

  - by Sakamoto Kazuma

  I'm trying to build a sort of resource allocation form. I'd like to be able to print a table from a database, and then allow users to click on each cell that they would like to reserve. Also, being able to drag and select multiple cells. Then send all of this via $_POST to another php script. Problem is, I have no idea where to start. Any suggestions?

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• Can I use EXISTS keyword in sql query for assignment of result

  - by Shantanu Gupta

  Can I assign a value with EXISTS in the query. Currently it is giving me error Incorrect syntax near '='. But when I uses this query only it runs as expected. IF EXISTS (SELECT @PK_LOGIN_ID=PK_LOGIN_ID FROM dbo.M_LOGIN WHERE LOGIN_NAME=@LOGIN_NAME AND PASSWORD=@PASSWORD AND FK_ROLE_ID=@FK_ROLE_ID) RETURN @PK_LOGIN_ID ELSE RETURN 0

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• Finding out document template type of document library

  - by blade

  Hi, When I make a document library in Sharepoint 2003 and select the document template type etc and come back to edit/administer the document library, how can I find out what document template type I selected at the time of creation? Another way of putting it: If an administrator makes a document library and selects a document template type and he/she leaves without documenting his/her settings for the document library, how could I find out what document template type he selected? Thanks

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• Oracle : Identifying duplicates in a table without index

  - by user288031

  When I try to create a unique index on a large table, I get a unique contraint error. The unique index in this case is a composite key of 4 columns. Is there an efficient way to identify the duplicates other than : select col1, col2, col3, col4, count() from Table1 group by col1, col2, col3, col4 having count() 1 The explain plan above shows full table scan with extremely high cost, and just want to find if there is another way. Thanks !

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• Password check from the database, what am I doing wrong ???

  - by user271753

  -(IBAction)EnterButtonPressed:(id)sender { const char *sql = "SELECT AccessCode FROM UserAccess"; double result = ([Password.text doubleValue]); if(sql == result ) { NSLog(@"Correct"); } else { NSLog(@"Wrong"); } }

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• Can you create a linked server in SQL Server and then refer to it with an alias

  - by Craig HB

  Can you create a linked server in SQL Server 2008 and then refer to it with an alias. So, I create a linked server to "SalesServer", but I give it the alias "Sales", so I can use it like this: SELECT * FROM Sales.DB1.dbo.DailySales

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• Convert a string to Linq.Expressions or use a string as Selector?

  - by VJ

  Well I have a string now that has the expression value to be evaluated..it has say value "expr=expr.FieldName"... so I want to use this string as Linq.Expression or any other way to query...like Select(str). Please help me out.

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