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• Asp.Net MVC 2: How exactly does a view model bind back to the model upon post back?

  - by Dr. Zim

  Sorry for the length, but a picture is worth 1000 words: In ASP.NET MVC 2, the input form field "name" attribute must contain exactly the syntax below that you would use to reference the object in C# in order to bind it back to the object upon post back. That said, if you have an object like the following where it contains multiple Orders having…

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• Simple Linq Dynamic Query question

  - by Dr. Zim

  In Linq Dynamic Query, Scott Guthrie shows an example Linq query: var query = db.Customers. Where("City == @0 and Orders.Count >= @1", "London", 10). OrderBy("CompanyName"). Select("new( CompanyName as Name, Phone)"); Notice the projection new( CompanyName as Name, Phone). If I have a class like this: public class…

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• How can I prevent PermGen space errors in Netbeans?

  - by DR

  Every 15-30 minutes Netbeans shows a "java.lang.OutOfMemoryError: PermGen space". From what I learned from Google this seems to be related to classloader leaks or memory leaks in general. Unfortunatly all suggestions I found were related to application servers and I have no idea to adapted them to Netbeans. (I'm not even sure it's the…

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• Very strange jQuery / AJAX behavior

  - by Dr. DOT

  I have an Ajax call to the server that only works when I pass an alert(); to it. Cannot figure out what is wrong. Can anyone help? This Does Not Work (ie., Ajax call to server does not get made): <!-- jQuery.support.cors = true; // needed for ajax to work in certain older browsers and versions …

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• How to dynamically choose two fields from a Linq query as a result

  - by Dr. Zim

  If you have a simple Linq query like: var result = from record in db.Customer select new { Text = record.Name, Value = record.ID.ToString() }; which is returning an object that can be mapped to a Drop Down List, is it possible to dynamically specify which…

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• What could I add to this code to allow the cell height to dynamically change as I edit the JTextArea

  - by Dr. Plaguey

  The derived classes I am using public class TextAreaRenderer extends JTextArea implements TableCellRenderer { public TextAreaRenderer() { setLineWrap(true); setWrapStyleWord(true); } public Component getTableCellRendererComponent(JTable jTable, …

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• How to write this Linq SQL as a Dynamic Query (using strings)?

  - by Dr. Zim

  Skip to the "specific question" as needed. Some background: The scenario: I have a set of products with a "drill down" filter (Query Object) populated with DDLs. Each progressive DDL selection will further limit the product list as well as what options are left for the DDLs. For example,…

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• svndumpfilter2 + Windows HowTo

  - by dr

  How do you get svndumpfilter2 or svndumpfilter3 working in Windows? type dump_file | svndumpfilter2 exclude xyz filtered_dump_file has no idea what svndumpfilter2 is regardless of where I put the script file.

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• In your experience, what has inspired you to change a fundamental programming tool

  - by Dr J

  A lot of what I am working on is changing the mindset of a community of developers. Moving them from one tool to another, or to picking up a new tool. What are some of the suggested or recommended ways to get a community to pick up a new meme? While we can mandate tool usage, this is a…

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• How to RowTest with MSTest ?

  - by dr. evil

  I know that MSTest doens't support RowTest and similar tests. What MSTests users do? How is it possible to live without RowTest support? I've seen DataDriven test features but sounds like too much overhead, is there any 3rd patch or tool which allow me to do RowTest similar tests in…

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• Can I use two different look and feels in the same Swing application?

  - by DR

  I'm using the Flamingo ribbon and the Substance Office 2007 look and feel. Of course now every control has this look and feel, even those on dialog boxes. What I want is something like in Office 2007, where the ribbons have their Office 2007 look, but other controls keep their native…

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• Why can't I create a database in an empty ASP MVC 2 project using Project->Add->New Item->SQL Server

  - by Dr Dork

  I'm diving head first into ASP MVC and am playing around with creating and manipulating a database. I did a search and found this tutorial for creating a database, however when I follow it, I get this error when trying to add a new database to my fresh, empty ASP MVC 2 project... …

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• In the iPad SplitView template, where's the code that specifies which views are to be used in the Sp

  - by Dr Dork

  In the iPad Programming Guide, it gives the following code example for specifying the two views (firstVC and secondVC) that will be used in the SplitView... - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { …

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• How do you explain orthogonality to a non-technical person?

  - by DR

  In The Pragmatic Programmer this term is introduced and "linearly independency" is used as an example for orthogonality. How do you explain the same thing to a non-technical person and why independency is a good thing to have? Are there "real-life" (i.e. non-geek)…

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• how to know location of return address on stack c/c++

  - by Dr Deo

  i have been reading about a function that can overwrite its return address. void foo(const char* input) { char buf[10]; //What? No extra arguments supplied to printf? //It's a cheap trick to view the stack 8-) //We'll see this trick again when we…

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• What are void pointers for in C++?

  - by Dr. Acula

  My question is simple: What are void pointers for in C++? (Those things you declare with void* myptr;) What is their use? Can I make them point to a variable of any type?

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• ASP.NET MVC 2: How to write this Linq SQL as a Dynamic Query (using strings)?

  - by Dr. Zim

  Skip to the "specific question" as needed. Some background: The scenario: I have a set of products with a "drill down" filter (Query Object) populated with DDLs. Each progressive DDL selection will further limit the product list as well as what options are…

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• How to make multiple instances of RCVR, RQSTR and CLUSRCVR channels in WMQ?

  - by Dr. Xray

  This is a follow up on the question below, but it deserves another question. http://stackoverflow.com/questions/1821514/are-server-conn-and-client-conn-channels-the-only-channels-that-could-have-more-t To my understanding, a receiver (or cluster receiver)…

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• Normalizing URI to make it work correctly with MakeRelativeUri

  - by dr. evil

  Dim x AS New URI("http://www.example.com/test//test.asp") Dim rel AS New URI("http://www.example.com/xxx/xxx.asp") Console.Writeline(x.MakeRelativeUri(rel).Tostring()) In here output is: ../../xxx/xxx.asp Which looks correct almost all web servers will…

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• is multiple inheritance a compiler writers problem? - c++

  - by Dr Deo

  i have been reading about multiple inheritance http://stackoverflow.com/questions/225929/what-is-the-exact-problem-with-multiple-inheritance http://en.wikipedia.org/wiki/Diamond_problem http://en.wikipedia.org/wiki/Virtual_inheritance…

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• jQuery image crossfader problem

  - by Dr Casper Black

  Hey!, I have a image switcher fadein/out (it will crossfade iamges - auto(1 - x) ) and a pager but i cant manage to make the image rotation listen the click action on pager, when clicked on pager the image will NOT jup tu the specific img. …

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• Resolving NameErrors -- Getting NameError on RAILS_END in rails_end.rb When using desert plugin and

  - by dr

  What's an effective approach to debug NameErrors in Rails? I'm trying to use the desert plugin (0.5.0) and the edge version of Community_Engine. I've started from scratch and gone through the installation instructions. When I attempt to…

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• are deleted entries counted in the load factor of a hash table using open addressing

  - by Dr. Monkey

  When calculating the load factor of a hashtable with an open-addressing array implementation I am using: numberOfKeysInArray/sizeOfArray however it occurred to me that since deleted entries must be marked as such (to distinguish them…

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• Finding if a target number is the sum of two numbers in an array via LINQ and get the and Indices

  - by Dr.H

  Hello I am new to Linq , I found this thread which explain 90% of what I need http://stackoverflow.com/questions/2331882?tab=newest#tab-top , thanks "pdr" but what I need is to get the Indices too , here is my modification I get the…

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• What are some programming techniques for converting SD images to HD images

  - by Dr Dork

  I'm taking programming class and instructor loves to work with images so most of our assignments involve manipulating raw RGB image data. One of our assignments is to implement a standard image converter that converts SD images to…

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