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• Data type mismatch when retrieving records from an access database using a DateTimePicker

  - by Daniel

  I get a Data type mismatch criteria expression error when i try to retrieve records from an access database between two dates using a DateTimePicker in C#. This is the Select statement else if (dtpDOBFrom.Value < dtpDOBTo.Value) { cmdSearch.CommandText = "SELECT [First Name], [Surname], [Contact Type], [Birthdate] FROM [Contacts] WHERE [Birthdate] >= '" + dtpDOBFrom.Value +"' AND [Birthdate] <= '" + dtpDOBTo.Value +"'"; }

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• Copy data from SQL Server Express keep primary key

  - by EduardoMello

  I want to copy data from a database to another, but I'd like to keep the primary key from the original database so it won't mess with the relationships. I'm using SQL Server 2008.

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• AdobeTV: Working with Data in Flex by James Ward - empWeb example in Flash Builder Beta

  Hi, from video on AdobeTV I tied to play with example empWeb (LiveCycle Data Services). In Flex Builder 3 (FB3) all works fine. When I tried this on Flash Builder Beta (FB4) it don't work. When I replaced original xmlns declarations (2009, spark, halo) by declarations from FB3 (2006) it works. Could you explain why ? Thanks juro2

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• Retrieve sequence of data from different columns.

  - by janetsmith

  Let's say I have a table containing following data: | id | t0 | t1 | t2 | | 1 | 4 | 5 | 6 | | 2 | 3 | 3 | 2 | | 3 | 6 | 4 | 5 | | 4 | 4 | 5 | 5 | I want to retrieve all the rows containing 4, 5, 6 (regardless the position of numbers in the tables), so row 1 & row 3 will be selected. How to do that with SQL query?

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• Automatic test data generation using genetic algorithm in MATLAB

  - by shalini

  I am doing my project in software testing. Genetic algorithm is the technique I want to use to generate automatic test data\test cases in MATLAB. Please help me in doing my project successfully.

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• asp.net MVC 2 Validating File uploads with data annotation

  - by Francis Gilbert

  I'm trying to validate a form using Data Annotation. It seems great for string types and integers, but for a file upload, I couldn't validate from the class. It would just be sent a string "HttpPostedFileWrapper". Does anyone have any tips? Thanks

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• ItemsControl ItemsTemplate vs ContentTemplate

  - by Allen Ho

  Hi, Is there any difference between setting the ContentTemplate of a ListBoxItem, compared to setting the ItemsTemplate on the ListBox? Or is it just a preference? Just say you set the ItemsTemplate of the ListBox can you still get the Data Template you assigned to the ListBox ItemsTemplate via the ListBoxItems ContentTemplate? ie. Like below ListBoxItem myListBoxItem = ...; ContentPresenter myContentPresenter = FindVisualChild(myListBoxItem); DataTemplate myDataTemplate = myContentPresenter.ContentTemplate;

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• SSIS how to split a single record in to two different records?

  - by Dr. Zim

  I have a Product record that has multiple "zoned" prices, one for each store that sells the product. ProductID int Name string PriceA money PriceB money PriceC money In SQL Server Integration Services, I need to split this in to multiple records: ProductID int Version string // A, B, or C Price money // PriceA if A, PriceB if B, etc. This would be within a Data Flow, I presume as a Transformation between Excel source and OLE DB destination. (Assuming OLE DB is a good destination for MS SQL server).

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• Is it possible to safely access data in a nested data structure like Template Toolkit does?

  - by wombat

  Is there a module that provides functionality like Template Toolkit does when accessing a deeply nested data structure? I want to pull out something like $a = $hash{first}[0]{second}{third}[3] without having to test each part of the structure to see if it conforms to what I expect. If %hash = {} I want $a = undef, not produce an error.

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• [LiveScore]How to parse data from LiveScore.com?

  - by hungbm06

  Hi bro(s), I want to get data from Livescore.com to using in an Application (same LiveScore iPhone Web Application of LiveScore Ltd.) Please help me! Thanks!

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• How programically check if SqlServerCe is installer (System.data.sqlserverce exist)

  - by Simon

  How programically check if SqlServerCe is installer (System.data.sqlserverce exist) in c# .Net 3.5. Can I get the version on SqlServerCe?

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• Capturing IR Data using VB.NET

  - by E-Q

  Just found an old IR reciever (Microsoft eHome Infared Transceiver) and i'm trying to write an application that can use data it captures... Any examples or jumping off points for this are appreciated. Thanks!

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• What data mining tools do you use?

  - by python dude

  Hello everyone, Besides the two well-known Open Source tools RapidMiner and Weka, are there any other good tools (either Open Source or Commercial), which you can recommend for data mining? Thanks in advance!

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• Recursive calls in Pentaho Data Integration

  - by davek

  Is it possible for a step or transformation in Pentaho Data Integration to call itself, passing the results of the previous call as parameters/variables? My first thought was to create a loop in a transformation, but they don't seem to be allowed...

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• Web Part Error: This page has exceeded its data fetch limit for connected Web Parts

  - by user348515

  Hi Experts, I have a display form with two custom list forms and both are connected to each other and they display the results according to the filter. But when ever I sort on any field, it gives the following error: Web Part Error: This page has exceeded its data fetch limit for connected Web Parts. Try disconnecting one or more Web Parts to correct the problem. I appreciate any help. Thanks SP

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• Where Firefox extensions store data?

  - by Dmitry

  I want to write plugin for GNOME Do, that will work with Firefox extensions data (for example, with URL Alias patterns). I have looked through files in my profile folder (~/.mozilla/firefox/.default/), but haven't found anything related. Can anybody help me?

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• How to generate sound from a waveform Data

  - by ajay-sharma2

  Hi All I have to make a project in ipad and my problem is that I have to play a sound generated from a wave form/wave form data. Can some one suggest me how to do that or any tutorial or reference for that. Thanks in advance. Regards Ajay Sharma

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• How programically check if SQL Server CE is installer (System.data.sqlserverce exist)

  - by Simon

  How can I programmatically check whether SQL Server CE is installed (System.data.sqlserverce exist) in C# .Net 3.5. Can I get the version on SQL Server CE?

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• Cannot cout data [C++] [metaprogramming]

  - by atch

  Hi, Guys, reffering to last post I'm trying to output data while template is instantiated template <unsigned long N> struct binary { std::cout << N;//<---------------------------------I'M TRYING HERE static unsigned const value = binary<N/10>::value << 1 // prepend higher bits | N%10; // to lowest bit but I'm getting an error: 'Error 2 error C2886: 'std::cout' : symbol cannot be used in a member using- declaration ' Thanks for help P.S. And could anyone explain why actually I can't do that?

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• datagridview perfomance loading data

  - by phenevo

  Hi, I've got collection of 50k records, and i get it in one second, but loading it to database take about 10 secunds. How to increase loading data? Everything what i make now is: dgvCars.DataSource=cars;

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• 'Invalid attempt to read when no data is present' - exception happens "sometimes" in Entity Framewo

  - by Saravanan

  I get the above error sometimes during the read. The exception originates from ASP.NET SqlDataReader whenever you try to read data before calling the Read() method. Since EF does all these internally, I am wondering what else can cause this error. could it be network (or) db connectivity? thanks

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• Ajax.BeginForm return result and show data appropriate

  - by niao

  I have a from on my page as follows: <% using (Ajax.BeginForm("AddAnswer","Marketplace",new AjaxOptions() {HttpMethod = "POST" })){ %> AddAnswer action adds some data to db. What I want to do is: when answer has been successfully added, append #answers div with the current answer passed to controller. When answer has not been successfully added to db - I would like to display appropriate error in #errors div. How can I do this?

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• Using a Script to automate data entry to an OpenOffice Calc Spreadsheet

  - by MagicAndi

  I would like to be able to automate creating spreadsheets and adding data to an OpenOffice spreadsheet using a script (any scripting language is acceptable - PowerShell, Python, or even JavaScript). What is a suitable library or tutorial?

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• Jquery: Datalink - Data linking

  - by Pickels

  I was trying out the Jquery Data linking proposal from Microsoft and noticed something strange. My objects get this extra property and I was wondering what the reason for that is. I first thought it was a mistake I made but I noticed their demo page does the same thing This is the json result of my objects: [{ "propertyName":"ProductNamese", "controlType":"Text", "jQuery1274021322131":6 }, { "propertyName":"Price", "controlType":"Number", "jQuery1274021322131":9 }, { "propertyName":"Description", "controlType":"TextArea", "jQuery1274021322131":12 } ] The property I am talking about is "jQuery1274021322131".

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• Skip List vs. Binary Tree

  - by Claudiu

  I recently came across the data structure known as a Skip list. They seem to have very similar behavior to a binary search tree... my question is - why would you ever want to use a skip list over a binary search tree?

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