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• When should one use nullable types in c#?

  - by Pandiya Chendur

  I have been repeatedly asked these question in many interviews.... But still can't able to explain them with a simple example... What is nullable types in c#?When should one use nullable types in c#?Any simple ex? Any suggestion....

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• Ontologies in .NET

  - by Lily

  I need to make use of some OWL ontologies in c#. Does anyone have a suggestion where I can start? Or if there are any libraries available for .NET please?

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• How to include a flash file in asp .net

  - by amit

  I am trying to include a flash file in my project page. but can not do this. Can any one plese help to send me the details suggestion. Thanks in advance. Amit

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• SOAP UI Pro vs Fitnesse, has anybody used SOAP UI Pro?

  - by Miral

  We are using Fitnesse for subsystem testing i.e. WCF & RESTful services. Now as writing Fitnesse test requires lot of effort, we are thinking of using SOAP UI Pro which gives this sort of facility. We are not 100% sure how much this is useful? Can anyone give suggestion of using SOAP UI against Fitnesse or if somebody has Pros & Cons regarding either of the thing ??

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• Ontologies in c#

  - by Lily

  Hi, I need to make use of some OWL ontologies in c#. Does anyone have a suggestion where I can start? Or if there are any libraries available for c# please? Thanks!

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• Any base64 library on iphone-sdk?

  - by BlueDolphin

  I'd like to do base64 encoding and decoding. But I could not find any support from iPhone SDK. Any suggestion? Thanks.

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• Cruise Control.Net best practices

  - by Nasser Hajloo

  I'm going to implement a CI process with CC.NET so I'm looking for best practices for CC.net implementation. I use SVN as source control and JIRA as an issue tracker (if it's a useful tip). Any recommandation or article suggestion will be appreciated. Note: I read this article by Martin Fowler.

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• How to add ID property to Html.BeginForm() in asp.net mvc?

  - by Pandiya Chendur

  I want to validate my form using jquery but it doesn't have an ID property as of now how to add it to the form in asp.net mvc? I am using this... <% using (Html.BeginForm()) {%> and my jquery validator plugin takes this, var validator = $("#signupform").validate({ Now i want to give id as signupform... Any suggestion...

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• like exec command in silverlight

  - by Meysam Javadi

  i have some element in my container and want to save all properties of this elements. i list this element by VisualTreeHelper and save its attributes in DB, question is that how to retrieve this properties and affect them? i think that The Silverlight have some statement that behave like Exec in Sql-Server. i save properties in one line that delimited by semicolon.(if you have any suggestion ,appreciate)

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• how to capture the moverover element?

  - by murali

  hi, i am developing the autocomplete feature.but i am facing one problem there..when i am click on the suggestion box one of the results,it will not enter into the suggest html box... function handleOnMouseOver(oTr) { deselectAll(); oTr.className ="highlightrow"; position = oTr.id.substring(2, oTr.id.length); updateKeywordValue(position); } can you tell me the how to capure the mouseover element thanks

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• DataTable DataRow Select String with Quotation Marks

  - by RBrattas

  Hi, My string include quotation mark; the select statement crash. vm_TEXT_string = "Hello 'French' People"; vm_DataTable_SELECT_string = "[MyField] = '" + vm_TEXT_string + "'"; DataRow[] o_DataRow_ARRAY_Found = vco_DataTable.Select (vm_DataTable_SELECT_string); I cannot use this statement: string filter = "[MyColumn]" + " LIKE '%" + SearchWord + "%'"; I found string format: DataRow[] oDataRow = oDataSet.Tables["HasDiseas"].Select ( string.Format ( "DName='{0}'", DiseasListBox.SelectedItem.ToString () ) ); Any suggestion to selecta string with quotation mark? Thank you, Rune

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• UIWebView Page Control

  - by Jack

  Hi, I would like to use a UIWebView to display some files (PDF, PPT, DOC) and would like to have the ability to scroll using external controls (ie a couple of buttons that, when pressed skip back and forward a page) and display the current page in a UITextView. Is this possible? I have no experience with javascript, but a friend of mine has suggested that this might be a useful approach. Is his suggestion valid? JP

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• How to input ampersand(&), asterisk(*) and other characters in android 2.1 emulator?

  - by upright

  I'm trying to add a new account in android 2.1 emulator. When I'm entering my password, I found it's impossible to input some symbols, such as #,$,&,*, except @. For example, while I press shift+7, only 7 is shown in the password textview. Any suggestion?

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• JavaScript autocomplete upon typing

  - by James

  Right guys, all autocomplete plugins and functions that I've found, they only update upon keyup/down, etc. This is fine but the search only begins occurring once the user has stopped typing and if they are typing a phrase or word, the script is unable to instantly start suggesting, etc. I know this'll be a very simple fix or suggestion for some of you guys, so any help would be greatly appreciated as to how I can convert it to be instantly as a key is pressed. Thanks!

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• Treeview inside DropDown in ASP.NET

  - by Pravin Kumar

  I have a hierarchial data ( like Geography -- Area- Country - State ) which need to be shown in a Treeview. This was done but the problem is it is occupying toooo much space on the web page. So i thought of using a drop down that would hold a treeview ??? Got few samples from CodeProject with No success. Any pointers or any other suggestion to solve my issue would be much appreciated :) Thank you :P

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• Need to change the default browser for an MVC2 project

  - by schefdev

  I just created my first MVC2 project using the standard template. I need to be able to change the default browser for my project to test in IE (I use chrome as the default on my OS). Unfortunately, the "right click on default.aspx" suggestion which worked in MVC1 can't work with these new projects as they don't have that file. I'm sure I'm overlooking something simple... Thanks.

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• Finding html to pdf free software.

  - by cpps

  I am finding a free software to convert html to pdf and preserved the html hyperlinks and text searchable in pdf? Anyone has suggestion? Thanks in advance.

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• How to use linkbuttons within yui datatable?

  - by Pandiya Chendur

  I use yui datatable and i have a field which is resumePath which is path to a file in a folder in my application... So how to use linkbutton and show my path on it... { key: "resumepath", label: "Resumepath", width: 250, formatter: YAHOO.widget.DataTable.formatLink } and this doesnt work any suggestion... I want to make this file to downloaded when the user clicks on it..

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• Best open source Mixed Integer Optimization Solver

  - by Mark

  I am using CPLEX for solving huge optimization models (more than 100k variables) now I'd like to see if I can find an open source alternative, I solve mixed integer problems (MILP) and CPLEX works great but it is very expensive if we want to scale so I really need to find an alternative or start writing our own ad-hoc optimization library (which will be painful) Any suggestion/insight would be much appreciated

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• How to unit test django middleware?

  - by luc

  I've implemented a django middleware for getting pages from the database (something similar to the flatpage subframework) Unfortunately it seems that it is not possible to test it with the django testing framework. Any suggestion? Thanks in advance Update: maybe a mistake in my test but I can't get an object that should be returned by a middleware. I'll inverstigate more. Does anybody have unit-tested a middleware code?

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• How can you open windows program by pressing a button on web page

  - by Dani AM

  How can you open windows program by pressing a button on web page I develop web app in asp.net, and I want to do some action in windows when press button on the web page, For example: when you press Messenger button in http://www.msn.com/?ocid=hmlogout windows live messenger will open in your computer, Is there a certain technique to do that ? thanks for any suggestion. Dani.

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• Problem with OnMeasureItem()

  - by Isuru

  Hi, I used OnMeasureItem() in my MFC ListControl to increase the height of the rows, and added WM_ON_MEASUREITEM() message in the Map. THe code I used is as follows: void CListCtrlTestDlg::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct) { if( nIDCtl == IDC_LIST1 )//IDC_LIST1 is my ListControl ID { lpMeasureItemStruct->itemHeight += 20; } } It doesn't Work. Any suggestion what the problem is??? Thank You!!!!

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• unhandled exception occured in c#

  - by abid

  hey. i`m getting this error that system.data.datarowview is not permitted in this contexxt. valid expressions are constants expressions and ( in some contexts). column name are not permitted.. can any body guide me what this error says.. can any one provide me a suggestion whether where im wrong.. any guesses guys??? im not getting it.. :/

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• How to use ASP .NET dropdown with ajax

  - by Poomjai

  Greeting, I'm beginer of ajax technology and now i need to create two dropdown in MVC project for example: First dropdown has the list of classroom [601,602,603] when i choose one then next dropdown will has the list of student belong to each class room. Now, I already create the repository class that has method GetStudentByClassroomName() and already connect to the database. Can anyone give me a suggestion how to create it or any technology to create the dropdown like this? Thank you very much ^_^

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• Learning HyperCard

  - by Nathan Campos

  I've got HyperCard 2.4.1 for my Mac 7.5.5. Then I want to know where I can learn, for free and some books to buy too, but I'm now focusing on the free things. I've got HyperCard because of the suggestion of S Ben.

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