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• How to find distance between two geopoints in c using calculateDistance(const CWaypoint& wp)

  - by Harsha

  void getAllDataByPointer(string *pname,double *platitude, double *plongitude); void getAllDataByReference(string &pname,double &platitude, double &plongitude); double calculateDistance(const CWaypoint& wp); void print(int format); bool less(const CWaypoint& wp_right); CWaypoint add(const CWaypoint& wp_right); These are the…

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• "if" expression question

  - by Here

  Hi, I test some simple F# code for "if" expression, but the result is unexpected for me: > let test c a b = if c then a else b;; val test : bool -> 'a -> 'a -> 'a However > test true (printfn "a") (printfn "b");; a b val it : unit = () I'd expect only "a" is printed out but here I got both "a" and "b". I wonder why it comes…

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• My $query->fetch() doesn't work

  - by Tae

  Question edited following the comments. It still doesn't work. Hi there, I'm trying to learn how PDO works, but my script: $database = new PDO('mysql:host=localhost;dbname=***', '***', '***'); $query = $database->prepare("SELECT nombre, tecnica, tamanno, …

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• F# "if" expression question

  - by Here

  Hi, I test some simple F# code for "if" expression, but the result is unexpected for me: > let test c a b = if c then a else b;; val test : bool -> 'a -> 'a -> 'a However > test true (printfn "a") (printfn "b");; a b val it : unit = () I'd expect only "a" is printed out but here I got both "a" and "b". I wonder why it comes…

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• How to determine if two strings are sufficiently close?

  - by A.06

  We say that we can "hop" from the word w1 to the word w2 if they are "sufficiently close". We define w2 to be sufficiently close to w1 if one of the following holds: w2 is obtained from w1 by deleting one letter. w2 is obtained from w1 by replacing one of the letters in w1 by some letter that appears to its right in w1 and which is also to its…

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• problem with Expression not equal types

  - by user428547

  class first { private int? firstID; } class second { private int secondID; private int secondField; } public override Expression<Func<first, bool>> FirstFilter() { Contex db = new Contex(); List<second> list = (from p in db.second select p).ToList(); return b => list.Select(p =>…

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• Grabbing value of pointers

  - by user1205956

  In C++ I am making a static library where I must set two variables equal to the value of the objects sent in to the method. This is what I have: bool setTags(char *pStartTag, char *pEndTag) { // Code to set the tags here. return true; } Basically the calling function puts in two character arrays. I am required to do it…

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• Introducing the Earthquake Locator – A Bing Maps Silverlight Application, part 1

  - by Bobby Diaz

  Update: Live demo and source code now available!  The recent wave of earthquakes (no pun intended) being reported in the news got me wondering about the frequency and severity of earthquakes around the world. Since I’ve been doing a lot of Silverlight development lately, I decided to scratch my curiosity…

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• Rendering ASP.NET MVC Views to String

  - by Rick Strahl

  It's not uncommon in my applications that I require longish text output that does not have to be rendered into the HTTP output stream. The most common scenario I have for 'template driven' non-Web text is for emails of all sorts. Logon confirmations and verifications, email confirmations for things like orders, status…

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• Ternary operator in VB.NET

  - by Jalpesh P. Vadgama

  We all know about Ternary operator in C#.NET. I am a big fan of ternary operator and I like to use it instead of using IF..Else. Those who don’t know about ternary operator please go through below link. http://msdn.microsoft.com/en-us/library/ty67wk28(v=vs.80).aspx Here you can see ternary operator returns one of…

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• How to add event receiver to SharePoint2010 content type programmatically

  - by ybbest

  Today , I’d like to show how to add event receiver to How to add event receiver to SharePoint2010 content type programmatically. 1. Create empty SharePoint Project and add a class called ItemContentTypeEventReceiver and make it inherit from SPItemEventReceiver and implement your logic as below public class…

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• using Generics in C# [closed]

  - by Uphaar Goyal

  I have started looking into using generics in C#. As an example what i have done is that I have an abstract class which implements generic methods. these generic methods take a sql query, a connection string and the Type T as parameters and then construct the data set, populate the object and return it…

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• ASP.NET Frameworks and Raw Throughput Performance

  - by Rick Strahl

  A few days ago I had a curious thought: With all these different technologies that the ASP.NET stack has to offer, what's the most efficient technology overall to return data for a server request? When I started this it was mere curiosity rather than a real practical need or result. Different tools are…

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• Improving WIF&rsquo;s Claims-based Authorization - Part 3 (Usage)

  - by Your DisplayName here!

  In the previous posts I showed off some of the additions I made to WIF’s authorization infrastructure. I now want to show some samples how I actually use these extensions. The following code snippets are from Thinktecture.IdentityServer on Codeplex. The following shows the MVC attribute on the…

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• ASP.NET MVC localization DisplayNameAttribute alternatives: a better way

  - by Brian Schroer

  In my last post, I talked bout creating a custom class inheriting from System.ComponentModel.DisplayNameAttribute to retrieve display names from resource files: [LocalizedDisplayName("RememberMe")] public bool RememberMe { get; set; } That’s a lot of work to put an attribute on…

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• ANTS CLR and Memory Profiler In Depth Review (Part 1 of 2 &ndash; CLR Profiler)

  - by ToStringTheory

  One of the things that people might not know about me, is my obsession to make my code as efficient as possible.  Many people might not realize how much of a task or undertaking that this might be, but it is surely a task as monumental as climbing Mount Everest, except this time it is a…

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• Subterranean IL: Filter exception handlers

  - by Simon Cooper

  Filter handlers are the second type of exception handler that aren't accessible from C#. Unlike the other handler types, which have defined conditions for when the handlers execute, filter lets you use custom logic to determine whether the handler should be run. However, similar to a catch…

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• Calling a REST Based JSON Endpoint with HTTP POST and WCF

  - by Wallym

  Note: I always forget this stuff, so I'm putting it my blog to help me remember it.Calling a JSON REST based service with some params isn't that hard.  I have an endpoint that has this interface:        [WebInvoke(UriTemplate = "/Login",…

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• BoundingBox created from mesh to origin, making it bigger

  - by Gunnar Södergren

  I'm working on a level-based survival game and I want to design my scenes in Maya and export them as a single model (with multiple meshes) into XNA. My problem is that when I try to create Bounding Boxes(for Collision purposes) for each of the meshes, the are calculated from…

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• Looking into ASP.Net MVC 4.0 Mobile Development - part 2

  - by nikolaosk

  In this post I will be continuing my discussion on ASP.Net MVC 4.0 mobile development. You can have a look at my first post on the subject here . Make sure you read it and understand it well before you move one reading the remaining of this post. I will not be writing any…

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• Windows CE: Changing Static IP Address

  - by Bruce Eitman

  A customer contacted me recently and asked me how to change a static IP address at runtime.  Of course this is not something that I know how to do, but with a little bit of research I figure out how to do it. It turns out that the challenge is to request that the…

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• Web Application : How to upload multiple images at a time

  - by SAMIR BHOGAYTA

  //First add image control into the web form how many you want to upload images at a time //Add one button //Write the below code into the button_click event if (FileUpload1.HasFile) { string imagefile = FileUpload1.FileName; if (CheckFileType(imagefile) == true) {…

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• Interleaving Arrays in OpenGL

  - by Benjamin Danger Johnson

  In my pursuit to write code that matches todays OpenGL standards I have found that I am completely clueless about interleaving arrays. I've tried and debugged just about everywhere I can think of but I can't get my model to render using interleaved arrays (It worked…

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• How do you stop OgreBullet Capsule from falling over?

  - by Nathan Baggs

  I've just started implementing bullet into my Ogre project. I followed the install instructions here: http://www.ogre3d.org/tikiwiki/OgreBullet+Tutorial+1 And the rest if the tutorial here: http://www.ogre3d.org/tikiwiki/OgreBullet+Tutorial+2 I got that to work…

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• XNA 2D line-of-sight check

  - by bionicOnion

  I'm working on a top-down shooter in XNA, and I need to implement line-of-sight checking. I've come up with a solution that seems to work, but I get the nagging feeling that it won't be efficient enough to do every frame for multiple calls (the game already…

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