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  • Objective C: "_main", referenced from: Start in crt1.3.1.o error

    - by Derek Clarkson
    Hi all, Trying to compile a iPhone/iPad application with SDK3.2 and am getting this error: Undefined symbols: "_main", referenced from: Start in crt1.10.5.o Symbol(s) not found Collect2: Id returned 1 exit status I think it's telling me that it's somehow trying to work with code from another SDK but searching the web has not provided any clear answers. Anyone able to guide me on this and what to look for?

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  • Grails and Flex build process integration

    - by Dan
    I plan to use Grails and Flex in my next project. I would like to use grails command line to construct my project. This should include the flex part as well, compiling swf, executing FlexUnits etc. I would like to compile and add swf file to war when I do “grails war”. How can I accomplish this?

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  • Problem in linking an nasm code

    - by Stefano
    I'm using a computer with an Intel Core 2 CPU and 2GB of RAM. The SO is Ubuntu 9.04. When I try to compile this code: ;programma per la simulazione di un terminale su PC, ottenuto utilizzando l'8250 ;in condizione di loopback , cioè Tx=Rx section .code64 section .data TXDATA EQU 03F8H ;TRASMETTITORE RXDATA EQU 03F8H ;RICEVITORE BAUDLSB EQU 03F8H ;DIVISORE DI BAUD RATE IN LSB BAUDMSB EQU 03F9H ;DIVISORE DI BAUD RATE IN MSB INTENABLE EQU 03F9H ;REGISTRO DI ABILITAZIONE DELL'INTERRUZIONE INTIDENTIF EQU 03FAH ;REGISTRO DI IDENTIFICAZIONE DELL'INTERRUZIONE LINECTRL EQU 03FBH ;REGISTRO DI CONTROLLO DELLA LINEA MODEMCTRL EQU 03FCH ;REGISTRO DI CONTROLLO DEL MODEM LINESTATUS EQU 03FDH ;REGISTRO DI STATO DELLA LINEA MODEMSTATUS EQU 03FEH ;REGISTRO DI STATO DEL MODEM BAUDRATEDIV DW 0060H ;DIVISOR: LOW=60, HIGH=00 -BAUD =9600 COUNTERCHAR DB 0 ;CHARACTER COUNTER ;DW 256 DUP (?) section .text global _start _start: ;PROGRAMMAZIONE 8250 MOV DX,LINECTRL MOV AL,80H ;BIT 7=1 PER INDIRIZZARE IL BAUD RATE OUT DX,AL MOV DX,BAUDLSB MOV AX,BAUDRATEDIV ;DEFINISCO FATTORE DI DIVISIONE OUT DX,AL MOV DX,BAUDMSB MOV AL,AH OUT DX,AL ;MSB MOV DX,LINECTRL MOV AL,00000011B ;8 BIT DATO, 1 STOP, PARITA' NO OUT DX,AL MOV DX,MODEMCTRL MOV AL,00010011B ;BIT 4=0 PER NO LOOPBACK OUT DX,AL MOV DX,INTENABLE XOR AL,AL ;DISABILITO TUTTI GLI INTERRUPTS OUT DX,AL CICLO: MOV DX,LINESTATUS IN AL,DX ;LEGGO IL REGISTRO DI STATO DELLA LINEA TEST AL,00011110B ;VERIFICO GLI ERRORI (4 TIPI) JNE ERRORI TEST AL,01H ;VERIFICO Rx PRONTO JNE LEGGOCHAR TEST AL,20H ;VERIFICO Tx VUOTO JE CICLO ;SE SI ARRIVA A QUESTO PUNTO ALLORA L'8250 è PRONTO PER TRASMETTERE UN NUOVO CARATTERE MOV AH,1 INT 80H JE CICLO ;SE SI ARRIVA A QUESTO PUNTO SIGNIFICA CHE ESISTE UN CARATTERE DA TASTIERA MOV AH,0 INT 80H ;Al CONTIENE IL CARATTERE DELLA TASTIERA MOV DX,3F8H OUT DX,AL JMP CICLO LEGGOCHAR: MOV AL,[COUNTERCHAR] INC AL CMP AL,15 JE FINE MOV [COUNTERCHAR],AL MOV DX,TXDATA IN AL,DX ;AL CONTIENE IL CARATTERE RICEVUTO AND AL,7FH ;POICHè VI SONO 7 BIT DI DATO ;VISUALIZZAZIONE DEL CARATTERE MOV BX,0 MOV AH,14 INT 80H POP AX CMP AL,0DH ;CONTROLLO SE RETURN JNE CICLO ;CAMBIO RIGA DI VISUALIZZAZIONE MOV AL,0AH MOV BX,0 MOV AH,14 ;INT 10H INT 80H JMP CICLO ;GESTIONE ERRORI ERRORI: MOV DX,3F8H IN AL,DX MOV AL,'?' MOV BX,0 MOV AH,14 INT 80H JMP CICLO FINE: XOR AH,AH MOV AL,03 INT 80H When I compile this code "NASM -f bin UARTLOOP.asm", the compiler can create the UARTLOOP.o file without any error. When I try to link the .o file with "ld UARTLOOP.o" it tells: UARTLOOP.o: In function `_start': UARTLOOP.asm:(.text+0xd): relocation truncated to fit: R_X86_64_16 against `.data' Have u got some ideas to solve this problem? Thx =)

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  • GHCi error: Not in scope

    - by dmindreader
    I'm trying to compile this function from Learn You a Haskell for Great Good. removeNonUppercase st = [ c | c <- st, c `elem` ['A'..'Z']] by placing it into a removeNonUpperCase.hs file. It compiles fine, but when passing the argument: ghci> removeNonUppercase "Hahaha! Ahahaha!" the compiler says: <interactive>:1:0: Not in scope: 'removeNonUpperCase' Why?

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  • AjaxMin4 bug with Visual Studio 2010 RC?

    - by KevinUK
    When I compile my solution I get 2 errors which I did not get with version of 1.1 of AjaxMin. The "SourceFiles" parameter is not supported by the "AjaxMin" task. Verify the parameter exists on the task, and it is a settable public instance property. The "AjaxMin" task could not be initialized with its input parameters. If I re-install AjaxMin4 then reload VS it works again until I reboot the PC. Is this a known issue and is there a fix?

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  • C# 4.0 'dynamic' and foreach statement

    - by ControlFlow
    Not long time before I've discovered, that new dynamic keyword doesn't work well with the C#'s foreach statement: using System; sealed class Foo { public struct FooEnumerator { int value; public bool MoveNext() { return true; } public int Current { get { return value++; } } } public FooEnumerator GetEnumerator() { return new FooEnumerator(); } static void Main() { foreach (int x in new Foo()) { Console.WriteLine(x); if (x >= 100) break; } foreach (int x in (dynamic)new Foo()) { // :) Console.WriteLine(x); if (x >= 100) break; } } } I've expected that iterating over the dynamic variable should work completely as if the type of collection variable is known at compile time. I've discovered that the second loop actually is looked like this when is compiled: foreach (object x in (IEnumerable) /* dynamic cast */ (object) new Foo()) { ... } and every access to the x variable results with the dynamic lookup/cast so C# ignores that I've specify the correct x's type in the foreach statement - that was a bit surprising for me... And also, C# compiler completely ignores that collection from dynamically typed variable may implements IEnumerable<T> interface! The full foreach statement behavior is described in the C# 4.0 specification 8.8.4 The foreach statement article. But... It's perfectly possible to implement the same behavior at runtime! It's possible to add an extra CSharpBinderFlags.ForEachCast flag, correct the emmited code to looks like: foreach (int x in (IEnumerable<int>) /* dynamic cast with the CSharpBinderFlags.ForEachCast flag */ (object) new Foo()) { ... } And add some extra logic to CSharpConvertBinder: Wrap IEnumerable collections and IEnumerator's to IEnumerable<T>/IEnumerator<T>. Wrap collections doesn't implementing Ienumerable<T>/IEnumerator<T> to implement this interfaces. So today foreach statement iterates over dynamic completely different from iterating over statically known collection variable and completely ignores the type information, specified by user. All that results with the different iteration behavior (IEnumarble<T>-implementing collections is being iterated as only IEnumerable-implementing) and more than 150x slowdown when iterating over dynamic. Simple fix will results a much better performance: foreach (int x in (IEnumerable<int>) dynamicVariable) { But why I should write code like this? It's very nicely to see that sometimes C# 4.0 dynamic works completely the same if the type will be known at compile-time, but it's very sadly to see that dynamic works completely different where IT CAN works the same as statically typed code. So my question is: why foreach over dynamic works different from foreach over anything else?

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  • Windows service and mingw

    - by Vasiliy Stavenko
    Is there possibility to compile windows service using only mingw c++ compiler and library? I assume that it is possible to use compiler with Visual Studio standard library and means, but want to do to this almost fully opensourced. Any experience?

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  • Android NDK - does it support straight ARM code or just Thumb

    - by Russell Kay
    All, I have been asked to evaluate the Android platform for our product and I am looking at various options, I am only just scratching the surface just now and the one thing that is bothering me is that I cannot see how to compile code as straight ARM code (no Thumb), I know that Thumb runs slower and we will need the performance in key sections of our code. I think it should just be setting the -march flag in the LOCAL_CFLAGS of the Android.mk file, but I cannot get that to work... Can anyone help. Russell

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  • MSDOS "Hello World" EXE

    - by divinci
    Hi all, An open question - but I cant find anywhere to start!! I want to compile a "Hello World" MS-DOS exe. Not a program that runs in 16bit mode, or in MSDos mode on top of Windows OSs. A HELOWRLD.EXE that I can run on my MSDOS box. Thanksyou!

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  • Freetts problem in Java

    - by manugupt1
    I am trying to run a program using freetts. I am able to compile the program however I am not able to use kevin or mbrola voices I get the follwing o/p msgs at the end System property "mbrola.base" is undefined. Will not use MBROLA voices. LINE UNAVAILABLE: Format is pcm_signed 16000.0 Hz 16 bits 1 channel big endian

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  • Best IDE for Palm OS devices

    - by Jawad
    Does anyone have experience with using a good quality IDE for Palm OS? In particular I'm looking for the ability to compile small non-colour .prc files for roll out to older Palm III models (8MB).

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  • Specifying a flex-config.xml with Maven / Flex Mojos

    - by Sophistifunk
    I have to port an existing project to Maven, and it includes a resource called "config.xml" that is copied to the deploy directory alongside the SWF and HTML, and loaded at run-time to locate a bunch of WSDLs. Flex Mojos has taken it upon itself to assume that my xml file is a flex-config file with instructions for the compiler, which of course promptly gives up the ghost. The question is: How do I specify a named config file for the compiler so that Maven stops this nonsense (as well as specifying my compile-time options)?

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  • Is there a simple way for opening one (or many) opengl window in mac OS X with C++ ?

    - by Petruza
    Yes, I hate Objective-c, plus my project will be portable, so I'd like to code as much of it in C++ as possible, ideally 100%. So I have a regular C++ project made with Xcode, and want to open some OpenGL windows. edit: Damn, Glut takes over the app's control with glutMainLoop(), pretty much as SDL does, I'm trying to break free from that schemes. Will try freeglut, although I can't find OSX binaries, and I always have such bad luck trying to compile someone else's code.

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  • angular-ui maps javascript error

    - by Will Lopez
    I'm having an issue with angularui. This error came from angular-google-maps.js: Error: [$compile:ctreq] Controller 'googleMap', required by directive 'rectangle', can't be found! http://errors.angularjs.org/1.2.16/$compile/ctreq?p0=googleMap&p1=rectangle at http://localhost:62874/Scripts/angular.js:78:12 at getControllers (http://localhost:62874/Scripts/angular.js:6409:19) at nodeLinkFn (http://localhost:62874/Scripts/angular.js:6580:35) at compositeLinkFn (http://localhost:62874/Scripts/angular.js:5986:15) at compositeLinkFn (http://localhost:62874/Scripts/angular.js:5989:13) at compositeLinkFn (http://localhost:62874/Scripts/angular.js:5989:13) at nodeLinkFn (http://localhost:62874/Scripts/angular.js:6573:24) at compositeLinkFn (http://localhost:62874/Scripts/angular.js:5986:15) at Scope.publicLinkFn [as $transcludeFn] (http://localhost:62874/Scripts/angular.js:5891:30) at link (http://localhost:62874/Scripts/ui-bootstrap-tpls-0.12.0.min.js:9:8037) <div class="rectangle grid-style ng-scope ng-isolate-scope" data-ng-grid="pipelineGrid"> I'm a little confused because the controller isn't trying to inject the angular-ui map directive: appRoot.controller('PipelineController', ["$scope", "$location", "$resource", function ($scope, $location, $resource) { ... Here's the html: <div class="container"> <tabset> <tab heading="Upload File"> <p>Tab 1 content</p> </tab> <tab heading="Data Maintenance"> Tab 2 content <div ng-controller="PipelineController"> <div id="mapFilter" class="panel panel-default"> <div class="panel-heading text-right"> <div class="input-group"> <input type="text" class="form-control" ng- model="pipelineGrid.filterOptions.filterText" placeholder="enter filter" /> <span class="input-group-addon"><span class="glyphicon glyphicon- filter"></span></span> </div> </div> <div class="panel-body"> <div class="rectangle grid-style" data-ng-grid="pipelineGrid"> </div> </div> </div> </div> </tab> </tabset> </div> Thank you!

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  • Looking for replacement for Snippet Compiler

    - by Scott Bilas
    I have been using Snippet Compiler for a few years, and it's great. Unfortunately, it isn't getting maintained, and is falling behind. Doesn't support .NET 4, which we recently switched to, and even some C# 3 features like extension methods get flagged as errors (though they do compile). Alternatives?

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  • Apple Core Foundation license

    - by Shane
    Hi all, A short but sweet question: Can I use Apple's open source Core Foundation (CF classes) in a commercial product for free? That is, can I compile and link against the libraries without open sourcing my own applications's code? Obviously if I alter the original CF code, I would submit the changes. It's a very well constructed API and I'd hate to have to reinvent the wheel. Cheers, Shane

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  • Jruby Gems-in-a-jar issue

    - by antonio
    Hi all, I am trying to write some code in ruby (using jruby) to be compiled to java bytecode with jrubyc and deployed to a remote machine where it will be run on the JVM (no ruby available there). Everything works fine as long as I am happy to stick with the standard jruby library. As explained on the jruby website, I simply copy the jruby-complete.jar library to the remote machine and include it in the classpath at runtime. I fire my compiled script and it works: cool! The problems start when I need some other libraries (typically rubygems) to run my script. I am aware of cool stuff like rawr, -which I successfully tested- to put together all you need in a single package. However that is not the solution I am looking for: I will have many small scripts to run independently and I don't want each of them to grow to at least 10 MB just because I insanely include the jruby-complete.jar in each of them. What I would like is to compile a .jar for each of the libraries that I will need to use, put all of them in a common folder on the remote machine and include them at runtime in the classpath when I run my compiled jruby scripts on the JVM. This said, I tried to follow the instructions here: http://blog.nicksieger.com/articles/2009/01/10/jruby-1-1-6-gems-in-a-jar I tried exactly the example shown there, with the "chronic" gem. Going step by step: Install the gem locally: java -jar jruby-complete-1.1.6.jar -S gem install -i ./chronic chronic --no-rdoc --no-ri Package it into a jar: jar cf chronic.jar -C chronic . Write a two lines test script, saving it as testt.rb: require 'chronic' Chronic.parse('tomorrow') Compile with: jrubyc testt.rb Run the resulting java class testt.class with the following (having both jruby-complete.jar and chronic.jar in the same folder as the java class): java -cp .:/jruby-complete.jar:./chronic.jar testt I get the following error: Exception in thread "main" file:/Users/ave2/NetBeansProjects/jrubywatir/lib/jruby-complete.jar!/METAINF/jruby.home/lib/ruby/site_ruby/shared/builtin/core_ext/symbol.rb:1:in `const_missing': uninitialized constant Chronic (NameError) from testt.rb:2 ...internal jruby stack elided... from Module.const_missing(testt.rb:2) from (unknown).(unknown)(:1) I really don't understand what I am doing wrong, and I am totally stuck on this. I am a noob in Ruby, much more used to Python: don't miss a chance to convert an infidel! :-) Thanks.

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  • Postsharp and log4net and log4postsharp

    - by Fadeproof
    I stumbled upon log4postsharp site which is a great tool that uses postsharp for injecting log4net statements into your code at compile time. The current version of log4postsharp uses Postsharp 1.0 which has some limitations. Does anyone know if there is somewhere a compiled version of log4postsharp that uses Postsharp 1.5 available?

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  • Importing Conditionally Compiled Functions From a Perl Module

    - by Robert S. Barnes
    I have a set of logging and debugging functions which I want to use across multiple modules / objects. I'd like to be able to turn them on / off globally using a command line switch. The following code does this, however, I would like to be able to omit the package name and keep everything in a single file. This is related to two previous questions I asked, here and here. #! /usr/bin/perl -w use strict; use Getopt::Long; { package LogFuncs; use threads; use Time::HiRes qw( gettimeofday ); # provide tcpdump style time stamp sub _gf_time { my ( $seconds, $microseconds ) = gettimeofday(); my @time = localtime($seconds); return sprintf( "%02d:%02d:%02d.%06ld", $time[2], $time[1], $time[0], $microseconds ); } sub logerr; sub compile { my %params = @_; *logerr = $params{do_logging} ? sub { my $msg = shift; warn _gf_time() . " Thread " . threads->tid() . ": $msg\n"; } : sub { }; } } { package FooObj; sub new { my $class = shift; bless {}, $class; }; sub foo_work { my $self = shift; # do some foo work LogFuncs::logerr($self); } } { package BarObj; sub new { my $class = shift; my $data = { fooObj => FooObj->new() }; bless $data, $class; } sub bar_work { my $self = shift; $self->{fooObj}->foo_work(); LogFuncs::logerr($self); } } my $do_logging = 0; GetOptions( "do_logging" => \$do_logging, ); LogFuncs::compile(do_logging => $do_logging); my $bar = BarObj->new(); LogFuncs::logerr("Created $bar"); $bar->bar_work();

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  • How to improve the builder pattern?

    - by tangens
    Motivation Recently I searched for a way to initialize a complex object without passing a lot of parameter to the constructor. I tried it with the builder pattern, but I don't like the fact, that I'm not able to check at compile time if I really set all needed values. Traditional builder pattern When I use the builder pattern to create my Complex object, the creation is more "typesafe", because it's easier to see what an argument is used for: new ComplexBuilder() .setFirst( "first" ) .setSecond( "second" ) .setThird( "third" ) ... .build(); But now I have the problem, that I can easily miss an important parameter. I can check for it inside the build() method, but that is only at runtime. At compile time there is nothing that warns me, if I missed something. Enhanced builder pattern Now my idea was to create a builder, that "reminds" me if I missed a needed parameter. My first try looks like this: public class Complex { private String m_first; private String m_second; private String m_third; private Complex() {} public static class ComplexBuilder { private Complex m_complex; public ComplexBuilder() { m_complex = new Complex(); } public Builder2 setFirst( String first ) { m_complex.m_first = first; return new Builder2(); } public class Builder2 { private Builder2() {} Builder3 setSecond( String second ) { m_complex.m_second = second; return new Builder3(); } } public class Builder3 { private Builder3() {} Builder4 setThird( String third ) { m_complex.m_third = third; return new Builder4(); } } public class Builder4 { private Builder4() {} Complex build() { return m_complex; } } } } As you can see, each setter of the builder class returns a different internal builder class. Each internal builder class provides exactly one setter method and the last one provides only a build() method. Now the construction of an object again looks like this: new ComplexBuilder() .setFirst( "first" ) .setSecond( "second" ) .setThird( "third" ) .build(); ...but there is no way to forget a needed parameter. The compiler wouldn't accept it. Optional parameters If I had optional parameters, I would use the last internal builder class Builder4 to set them like a "traditional" builder does, returning itself. Questions Is this a well known pattern? Does it have a special name? Do you see any pitfalls? Do you have any ideas to improve the implementation - in the sense of fewer lines of code?

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  • Using FFmpeg in .net?

    - by daniel
    So i know its a fairly big challenge but i want to write a basic movie player/converter in c# using the FFmpeg library. However the first obstacle i need to overcome is wrapping the FFmpeg library in c#. I downloaded ffmpeg but couldn't compile it on windows, so i downloaded a precompiled version for me. Ok awesome. Then i started looking for c# wrappers. I have looked around and have found a few wrappers such as SharpFFmpeg (http://sourceforge.net/projects/sharpffmpeg/) and ffmpeg-sharp (http://code.google.com/p/ffmpeg-sharp/). First of all i wanted to use ffmpeg-sharp as its LGPL and SharpFFmpeg is GPL. However it had quite a few compile errors. Turns out it was written for the mono compiler, i tried compiling it with mon but couldn't figure out how. I then started to manually fix the compiler errors myself, but came across a few scary ones and thought i'd better leave those alone. So i gave up on ffmpeg-sharp. Then i looked at SharpFFmpeg and it looks like what i want, all the functions P/Invoked for me. However its GPL? Both the AVCodec.cs and AVFormat.cs files look like ports of avcodec.c and avformat.c which i reckon i could port myself? Then not have to worry about licencing. But i wan't to get this right before i go ahead and start coding. Should I: Write my own c++ library for interacting with ffmpeg, then have my c# program talk to the c++ library in order to play/convert videos etc. OR Port avcodec.h and avformat.h (is that all i need?) to c# by using a whole lot of DllImports and write it entirely in c#? First of all consider that i'm not great at c++ as i rarely use it but i know enough to get around. The reason i'm thinking #1 might be the better option is that most FFmpeg tutorials are in c++ and i'd also have more control over memory management than if i was to do it in c#. What do you think? Also would you happen to have any usefull links (perhaps a tutorial) for using FFmpeg? EDIT: spelling mistakes

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  • Writing a Makefile.am to invoke googletest unit tests

    - by jmglov
    I am trying to add my first unit test to an existing Open Source project. Specifically, I added a new class, called audio_manager: src/audio/audio_manager.h src/audio/audio_manager.cc I created a src/test directory structure that mirrors the structure of the implementation files, and wrote my googletest unit tests: src/test/audio/audio_manager.cc Now, I am trying to set up my Makefile.am to compile and run the unit test: src/test/audio/Makefile.am I copied Makefile.am from: src/audio/Makefile.am Does anyone have a simple recipe for me, or is it to the cryptic automake documentation for me? :)

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  • Change URL of WebBrowser in C#

    - by Sean
    I am designing a simple application using c# and it has a web browser in it. I need to either (preferably) refresh the page that is currently inside the broswer, or navigate to a "new" url. I tried Browser.Url = new Uri("http://www.pandora.com/"); but I get an error when I try to compile it. Error 1 Cannot implicitly convert type 'string' to 'System.Uri' c:\users\sean\documents\visual studio 2010\Projects\Pandora\Pandora\Form1.cs 51 27 Pandora What am I doing wrong?

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