A couple of thoughts here since there isn&#39;t much online and this project is on hiatus apparently with likely no support for Mono compatibility coming anytime soon.

1) Not sure what version or build you have of Gallio, but you may try the Gallio bundle nuget from here and see if you get different results with this version: https://www.nuget.org/packages/GallioBundle/3.4.14. See this post: https://stackoverflow.com/a/21185517/9798633

2) Make sure your tests are compiled with the same version of MbUnit as was distributed with Gallio, as discussed here: https://stackoverflow.com/a/2242849/9798633


3) If you try running in VS in a VM, doublecheck to make sure you have a Class Library project with references to both Gallio.dll and MbUnit.dll as mentioned here in &quot;ASP.NET MVC 4 in Action&quot;:

ftp://soporte.uson.mx/PUBLICO/02_ING.SISTEMAS.DE.INFORMACION/PVI/ASP.NET%20MVC%204%20in%20Action.pdf

I&#39;ve determined that a Java `ArrayList.add` is similar to a JavaScript `Array.push`

I&#39;m stuck on finding `ArrayList` functions similar to the following

 - `Array.pop`
 - `Array.shift`
 - `Array.unshift` I&#39;m leaning toward `ArrayList.remove[At]`




java howto ArrayList push, pop, shift, and unshift

Basically I use this handy function to processing db rows (close an eye on PDO and/or other stuff)

    function fetch($query,$func) {
        $query = mysql_query($query);	
    	while($r = mysql_fetch_assoc($query)) {
    		$func($r);
    	}
    }

With this function I can simply do:

    fetch(&quot;SELECT title FROM tbl&quot;, function($r){
       //&gt; $r[&#39;title&#39;] contains the title
    });

Let&#39;s say now I need to concatenate all `$r[&#39;title&#39;]` in a var (this is just an example).

How could I do that? I was thinking something like this, but it&#39;s not very elegant:
    
    $result = &#39;&#39;;
    fetch(&quot;SELECT title FROM tbl&quot;, function($r){
       global $result;
       $result .= $r[&#39;title&#39;];
    });
    
    echo $result;



Accessing outside variable using anonymous function as params

&lt;sub&gt;*I tried asking this on the gallio-users list, but the question failed to appear (Google Groups says the post was successful). I suppose the list might be moderated by someone who does not read his email very often :-) Seeing as SO has tags for both Gallio and MbUnit, I thought it was worth asking here.*&lt;/sub&gt;

I see the `MbUnit` front page mentions that they are keen on maintaining Mono-compatibility. There is also a &gt;1-year [old post on gallio-users][1] saying that it does not work under Linux

The project I want to test compiles fine under Mono if I remove the `Parallelizable` attribute. I can launch the `Gallio` control panel under Linux, but not Icarus or Echo.

Is there any way of running `MbUnit` tests under Linux? Something that uses the command line (like `Gallio.Echo`) and does not need Monodevelop would be especially helpful. 


  [1]: https://groups.google.com/group/gallio-user/browse_thread/thread/6cd88aef65f4d3c2

MbUnit under Linux, used within an F# project?

I tried asking this on the gallio-users list, but the question failed to appear (Google Groups says the post was successful). I suppose the list might be moderated by someone who does not read his email very often :-) Seeing as SO has tags for both Gallio and MbUnit, I thought it was worth asking here.
I see the <code>MbUnit</code> front page mentions that they are keen on maintaining Mono-compatibility. There is also a >1-year <a href="https://groups.google.com/group/gallio-user/browse_thread/thread/6cd88aef65f4d3c2" target="_blank" rel="noopener noreferrer">old post on gallio-users</a> saying that it does not work under Linux
The project I want to test compiles fine under Mono if I remove the <code>Parallelizable</code> attribute. I can launch the <code>Gallio</code> control panel under Linux, but not Icarus or Echo.
Is there any way of running <code>MbUnit</code> tests under Linux? Something that uses the command line (like <code>Gallio.Echo</code>) and does not need Monodevelop would be especially helpful.

I&#39;ve just been setting up a Ubuntu workstation and wanted to add some settings to eclipse.ini.  When I searched for the file I found:

 - /etc/eclipse.ini
 - /usr/lib/eclipse.ini

My questions are:

 - Does Eclipse actually use both files?
 - If so, in what order does it read them?
 - How does it merge them?
 - Both of the files I found are system wide, is there a location in my home directory I could put one that would effect only my instances?

Where does Eclipse look for eclipse.ini under Linux

I have few crontab jobs that run under root, but that gives me some problems. For example all folders created in process of that cron job are under user root and group root. 
How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files?

My server runs on Ubuntu.  
Current crontab job is:  

    */1 * * * * php5 /var/www/web/includes/crontab/queue_process.php &gt;&gt; /var/www/web/includes/crontab/queue.log 2&gt;&amp;1

How to specify in crontab by what user to run script?

I&#39;ve installed Sublime 2 on Ubuntu using a PPA repository and update it via this native Ubuntu mechanism, so it just annoys me to see &quot;A new version is available...&quot; every time I start Sublime. I&#39;ve found nothing searching for &quot;update&quot; in Sublime configuration file. Where can I disable the notification?

How to turn off Sublime 2 updates notification?

I&#39;ve just install Redis succesfully using the instructions on the Quick Start guide on http://redis.io/topics/quickstart on my Ubuntu 10.10 server. I&#39;m running the service as  dameon (so it can be run by init.d)

The server is part of Rackspace Cluster with Internal and External IPs. The host is running on port 6379 (standard for Redis)

I&#39;ve added a row in the iptables to allow incoming connections from port 6379 as shown below:

     ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:6379 

In my PHP code on another server, I&#39;m trying to connect to the new Redis server here:

    $this-&gt;load-&gt;helper(&quot;iredis&quot;);
		
    $hostname = &quot;IP ADDRESS HERE&quot;;
		
    $redis = new iRedis(array(&#39;hostname&#39; =&gt; $hostname, &#39;port&#39; =&gt; 6379));


Once I do this - I always get a connection refused. In my    redis.conf   file, I have the local bind command commented out, so it should be listening on more than the localhost IP. I can connect to the database on the local machine just not on another server. I&#39;ve tried the external and internal IPs with no luck.

Any suggestions on getting this to work?

Redis - Connect to Remote Server

Brief:
Is there a way to install rabbitmq-plugins via a ubuntu package?


Details:

I have rabbitmq running ok in my ubuntu system, and now I&#39;m trying to monitor what&#39;s going on via the management plugin. I&#39;m following rabbitmq.com/management.html instructions, but can&#39;t execute

    rabbitmq-plugins enable rabbitmq_management

because my system does not have rabbitmq-plugins installed.

It&#39;s Ubuntu 1110, and came with rabbitmq installed as a package (aptitude install rabbitmq-server librabbitmq-dev). The config and the server are running fine (the installed version is 2.5.0).

Thought that the plugin would get installed by installing &quot;sudo aptitude install rabbitmq-plugins-common&quot;, but doing that does not install rabbitmq-plugins.

Is there a package that will install the plugin?  I&#39;d like to avoid if possible having to purge the rabbitmq server that is running ok, and then reinstall it via a download + build from source, all just to get the plugin.

Thanks.


How to install rabbitmq management plugin (rabbitmq-plugins)

Trying to learn F# but got confused when trying to distinguish between [fold][1] and [reduce][2]. Fold seems to do the [same thing][3] but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String and string in C#)

Here is code snippet copied from sample:

    let sumAList list =
        List.reduce (fun acc elem -&gt; acc + elem) list

    let sumAFoldingList list =
        List.fold (fun acc elem -&gt; acc + elem) 0 list

    printfn &quot;Are these two the same? %A &quot; 
                 (sumAList [2; 4; 10] = sumAFoldingList [2; 4; 10])

  [1]: http://msdn.microsoft.com/en-us/library/ee353894.aspx
  [2]: http://msdn.microsoft.com/en-us/library/ee370239.aspx
  [3]: https://stackoverflow.com/questions/3682371/accumulate-vs-fold-vs-reduce-vs-compress

Difference between fold and reduce?

I&#39;ve been learning F# and functional programming and trying to do things the functional way. However, when it comes to rewriting some code I&#39;d already written in C# I get stuck at simple if-then statements (ones that only do something, not return a value). I know you can pull this off in F#:

    if expr then do ()

However, I thought this was an imperative approach to coding? Maybe I&#39;ve not learned enough about functional programming, but it doesn&#39;t seem functional to me. I thought the functional approach was to compose functions and expressions, not simply execute statements one after the other which is what if-then seems to encourage.

So, am I missing something and if-then is perfectly fine in the functional world? If not, what is the functional equivalent of such a statement? How could I take an if-then and turn it functional?

Edit: I might&#39;ve asked the wrong question (sorry, still fairly new to functional programming): Let&#39;s take a real world example that made me even ask this:

    if not &lt;| System.String.IsNullOrWhiteSpace(data) then do
        let byteData = System.Text.Encoding.Unicode.GetBytes(data)
        req.ContentLength &lt;- int64 byteData.Length
        let postStream : System.IO.Stream = req.GetRequestStream()
        postStream.Write(byteData, 0, byteData.Length)
        postStream.Flush()
        postStream.Dispose()

The body of that if-then doesn&#39;t return anything, but I don&#39;t know how I could make this more functional (if that&#39;s even possible). I don&#39;t know the proper technique for minimizing imperative code. Given F#&#39;s nature it&#39;s fairly easy to just transport my C# directly, but I&#39;m having difficulties turning it functional. Every time I reach such an if statement in C#, and I&#39;m trying to transport it to F#, I get discouraged that I can&#39;t think of a way to make the code more functional.

What&#39;s a functional replacement for if-then statements?

I&#39;m toying with the idea of writing a JIT compiler and am just wondering if it is even theoretically possible to write the whole thing in managed code. In particular, once you&#39;ve generated assembler into a byte array how do you jump into it to begin execution?


Is it possible to write a JIT compiler (to native code) entirely in a managed .NET language

I am trying to design a library in F#. The library should be friendly for use from *both F# and C#*.

And this is where I&#39;m stuck a little bit.  I can make it F# friendly, or I can make it C# friendly, but the problem is how to make it friendly for both.

Here is an example.  Imagine I have the following function in F#:

&lt;!-- language: lang-ml --&gt;

    let compose (f: &#39;T -&gt; &#39;TResult) (a : &#39;TResult -&gt; unit) = f &gt;&gt; a

This is perfectly usable from F#:

&lt;!-- language: lang-ml --&gt;

    let useComposeInFsharp() =
        let composite = compose (fun item -&gt; item.ToString) (fun item -&gt; printfn &quot;%A&quot; item)
        composite &quot;foo&quot;
        composite &quot;bar&quot;

In C#, the `compose` function has the following signature:

&lt;!-- language: lang-cs --&gt;

    FSharpFunc&lt;T, Unit&gt; compose&lt;T, TResult&gt;(FSharpFunc&lt;T, TResult&gt; f, FSharpFunc&lt;TResult, Unit&gt; a);

But of course, I don&#39;t want `FSharpFunc` in the signature, what I want is `Func` and `Action` instead, like this:

&lt;!-- language: lang-cs --&gt;

    Action&lt;T&gt; compose2&lt;T, TResult&gt;(Func&lt;T, TResult&gt; f, Action&lt;TResult&gt; a);

To achieve this, I can create `compose2` function like this:

&lt;!-- language: lang-ml --&gt;

    let compose2 (f: Func&lt;&#39;T, &#39;TResult&gt;) (a : Action&lt;&#39;TResult&gt; ) = 
        new Action&lt;&#39;T&gt;(f.Invoke &gt;&gt; a.Invoke)

Now, this is perfectly usable in C#:

&lt;!-- language: lang-cs --&gt;

    void UseCompose2FromCs()
    {
        compose2((string s) =&gt; s.ToUpper(), Console.WriteLine);
    }

But now we have a problem using `compose2` from F#!  Now I have to wrap all standard F# `funs` into `Func` and `Action`, like this:

&lt;!-- language: lang-ml --&gt;

    let useCompose2InFsharp() =
        let f = Func&lt;_,_&gt;(fun item -&gt; item.ToString())
        let a = Action&lt;_&gt;(fun item -&gt; printfn &quot;%A&quot; item)
        let composite2 = compose2 f a

        composite2.Invoke &quot;foo&quot;
        composite2.Invoke &quot;bar&quot;

**The question:** How can we achieve first-class experience for the library written in F# for both F# and C# users?

So far, I couldn&#39;t come up with anything better than these two approaches:

0. Two separate assemblies: one targeted to F# users, and the second to C# users.
0. One assembly but different namespaces: one for F# users, and the second for C# users.

For the first approach, I would do something like this:

0. Create a F# project, call it FooBarFs and compile it into FooBarFs.dll.
    - Target the library purely to F# users.
    - Hide everything unnecessary from the .fsi files.

0. Create another F# project, call if FooBarCs and compile it into FooFar.dll
    - Reuse the first F# project at the source level.
    - Create .fsi file which hides everything from that project.
    - Create .fsi file which exposes the library in C# way, using C# idioms for name, namespaces, etc.
    - Create wrappers that delegate to the core library, doing the conversion where necessary.

I think the second approach with the namespaces can be confusing to the users, but then you have one assembly.  

**The question:** None of these are ideal, perhaps I am missing some kind of compiler flag/switch/attribute
or some kind of trick and there is a better way of doing this?

**The question:** has anyone else tried to achieve something similar and if so how did you do it?


EDIT: to clarify, the question is not only about functions and delegates but the overall experience of a C# user with an F# library. This includes namespaces, naming conventions, idioms and suchlike that are native to C#. Basically, a C# user shouldn&#39;t be able to detect that the library was authored in F#. And vice versa, an F# user should feel like dealing with a C# library.






-----------------
**EDIT 2:**

I can see from the answers and comments so far that my question lacks the necessary depth,
perhaps mostly due to use of only one example where interoperability issues between F# and C# 
arise, the issue of function values.  I think this is the most obvious example and so this
led me to use it to ask the question, but by the same token gave the impression that this is
the only issue I am concerned with.

Let me provide more concrete examples. I have read through the most excellent
[F# Component Design Guidelines](http://fsharp.org/specs/component-design-guidelines/)
document (many thanks @gradbot for this!). The guidelines in the document, if used, do address
some of the issues but not all.

The document is split into two main parts: 1) guidelines for targeting F# users; and 2) guidelines for
targeting C# users.  Nowhere does it even attempt to pretend that it is possible to have a uniform
approach, which exactly echoes my question: we can target F#, we can target C#, but what is the
practical solution for targeting both?

To remind, the goal is to have a library authored in F#, and which can be used *idiomatically* from
both F# and C# languages.

The keyword here is *idiomatic*. The issue is not the general interoperability where it is just possible
to use libraries in different languages.

Now to the examples, which I take straight from 
[F# Component Design Guidelines](http://fsharp.org/specs/component-design-guidelines/).


1.  Modules+functions (F#) vs Namespaces+Types+functions

    -   F#: Do use namespaces or modules to contain your types and modules.
        The idiomatic use is to place functions in modules, e.g.:

            // library
            module Foo
            let bar() = ...
            let zoo() = ...


            // Use from F#
            open Foo
            bar()
            zoo()


    -   C#: Do use namespaces, types and members as the primary organizational structure for your 
        components (as opposed to modules), for vanilla .NET APIs.


        This is incompatible with the F# guideline, and the example would need
        to be re-written to fit the C# users:

            [&lt;AbstractClass; Sealed&gt;]
            type Foo =
                static member bar() = ...
                static member zoo() = ...


        By doing so though, we break the idiomatic use from F# because
        we can no longer use `bar` and `zoo` without prefixing it with `Foo`.


2.  Use of tuples

    -   F#: Do use tuples when appropriate for return values.

    -   C#: Avoid using tuples as return values in vanilla .NET APIs.

3.  Async

    -   F#: Do use Async&lt;T&gt; for async programming at F# API boundaries.  

    -   C#: Do expose asynchronous operations using either the .NET asynchronous programming model 
        (BeginFoo, EndFoo), or as methods returning .NET tasks (Task&lt;T&gt;), rather than as F# Async&lt;T&gt; 
        objects.


4.  Use of `Option`

    -   F#: Consider using option values for return types instead of raising exceptions (for F#-facing code).

    -   Consider using the TryGetValue pattern instead of returning F# option values (option&lt;T&gt;) in vanilla 
        .NET APIs, and prefer method overloading over taking F# option values as arguments.


5.  Discriminated unions


    -   F#: Do use discriminated unions as an alternative to class hierarchies for creating tree-structured data

    -   C#: *no specific guidelines for this, but the concept of discriminated unions is foreign to C#*



6.  Curried functions

    -   F#: *curried functions are idiomatic for F#*

    -   C#: Do not use currying of parameters in vanilla .NET APIs.


7.  Checking for null values

    -   F#: *this is not idiomatic for F#*

    -   C#: Consider checking for null values on vanilla .NET API boundaries.


8.  Use of F# types `list`, `map`, `set`, etc

    -   F#: *it is idiomatic to use these in F#*

    -   C#: Consider using the .NET collection interface types IEnumerable&lt;T&gt; and IDictionary&lt;Key,Value&gt;
        for parameters and return values in vanilla .NET APIs. (*i.e. do not use F# `list`, `map`, `set`*)


9.  Function types (the obvious one)

    -   F#: *use of F# functions as values is idiomatic for F#, obviously*

    -   C#: Do use .NET delegate types in preference to F# function types in vanilla .NET APIs.


I think these should be sufficient to demonstrate the nature of my question.

Incidentally, the guidelines also have a partial answer:

&gt; ... a common implementation strategy when developing higher-order 
&gt; methods for vanilla .NET libraries is to author all the implementation using F# function types, and 
&gt; then create the public API using delegates as a thin fa&#231;ade atop the actual F# implementation.  


**To summarise.** 

There is one definite answer: *there are no compiler tricks that I missed*.

As per the guidelines doc, it seems that authoring for F# first and then creating
a facade wrapper for .NET is a reasonable strategy.

The question then remains regarding the practical implementation of this:

-   Separate assemblies? or

-   Different namespaces?

If my interpretation is correct, Tomas suggests that using separate namespaces should
be sufficient, and should be an acceptable solution.

I think I will agree with that given that the choice of namespaces is such that it
does not surprise or confuse the .NET/C# users, which means that the namespace
for them should probably look like it is the primary namespace for them.  The
F# users will have to take the burden of choosing F#-specific namespace.
For example:

-   FSharp.Foo.Bar  -&gt; namespace for F# facing the library

-   Foo.Bar         -&gt; namespace for .NET wrapper, idiomatic for C#




Best approach for designing F# libraries for use from both F# and C#

When I do `let! read = from.AsyncRead buf` in F#, it blocks and doesn&#39;t return until the TCP socket is dead. Why? And how do I fix it?

Its code:
    
&lt;!-- language: lang-ml --&gt;

    module StreamUtil
    
    open System.IO

    /// copy from &#39;from&#39; stream to &#39;toStream&#39;
    let (|&gt;&gt;) (from : Stream) (toStream : Stream) =
      let buf = Array.zeroCreate&lt;byte&gt; 1024
      let rec doBlock () =
        async {
          let! read = from.AsyncRead buf
          if read &lt;= 0 then
            toStream.Flush()
            return ()
          else
            do! toStream.AsyncWrite(buf, 0, read)
            return! doBlock () }
      doBlock ()

It&#39;s being called from this code:

&lt;!-- language: lang-ml --&gt;
    
    use fs = new FileStream(targPath, FileMode.CreateNew, FileAccess.ReadWrite)
    do! req.InputStream |&gt;&gt; fs

and requested over HTTP with this code from Windows Phone 7.1 emulator:

	public void Send()
	{
		var b = new UriBuilder(_imageService.BaseUrl) {Path = &quot;/images&quot;};

		var req = WebRequest.CreateHttp(b.Uri);
		req.ContentType = &quot;image/jpeg&quot;;
		req.Method = &quot;POST&quot;;
		var imgLen = SelectedImage.ImageStream.Length;
		req.Headers[HttpRequestHeader.ContentLength] = imgLen.ToString(CultureInfo.InvariantCulture);
		req.Accept = &quot;application/json&quot;;
		req.BeginGetRequestStream(RequestReady, new ReqState(req, imgLen));
	}

	void RequestReady(IAsyncResult ar)
	{
		var state = (ReqState)ar.AsyncState;
		var req = state.Request;

		var reqStream = req.EndGetRequestStream(ar);

		SmartDispatcher.BeginInvoke(() =&gt;
			{
				using (var sw = new StreamWriter(reqStream))
				using (var br = new BinaryReader(SelectedVoucher.ImageStream))
				{
					var readBytes = br.ReadBytes(state.ImgLen);

					// tried both 2
					sw.Write(readBytes);
					//sw.Write(Convert.ToBase64String(readBytes));
					sw.Flush();
					sw.Close();
				}
				req.BeginGetResponse(ResponseReady, req);
			});
	}

	// WHY IS IT YOU ARE NOT CALLED???
	void ResponseReady(IAsyncResult ar)
	{
		try
		{
			var request = (HttpWebRequest)ar.AsyncState;
			var response = request.EndGetResponse(ar);

			SmartDispatcher.BeginInvoke(() =&gt;
				{
					var rdr = new StreamReader(response.GetResponseStream());
					var msg = rdr.ReadToEnd();

					var imageLocation = response.Headers[&quot;Location&quot;];

					Debug.WriteLine(msg);
					Debug.WriteLine(imageLocation);
				});
		}
		catch (WebException ex)
		{
			Debug.WriteLine(ex.ToString());
		}
		catch (Exception ex)
		{
			Debug.WriteLine(ex.ToString());
		}
	}

Unsuccessfully. The `ResponseReady` callback is never reached.

Meanwhile, this code works excellent:

&lt;!-- language: lang-ml --&gt;

    open System
    open System.Net.Http // WebAPI nuget
   
    let sync aw = Async.RunSynchronously aw
       
    let postC&lt;&#39;a&gt; (c : HttpClient) (r : Uri) (cont : HttpContent) =
      let response = sync &lt;| Async.AwaitTask( c.PostAsync(r, cont) )
      let struc:&#39;a = sync &lt;| deserialize&lt;&#39;a&gt; response
      response, struc
    
    let withContent&lt;&#39;a&gt; (fVerb : (HttpClient -&gt; Uri -&gt; HttpContent -&gt; _ * &#39;a))=
      let c = new HttpClient()
      fVerb c

    [&lt;Test&gt;]
    let ``POST /images 201 + Location header`` () =
      let post = withContent&lt;MyImage&gt; postC
      let bytes = IO.File.ReadAllBytes(&quot;sample.jpg&quot;)
      let hash = SHA1.Create().ComputeHash(bytes) |&gt; Convert.ToBase64String
      let pic = new ByteArrayContent(bytes)
      pic.Headers.Add(&quot;Content-Type&quot;, &quot;image/jpeg&quot;)
      pic.Headers.Add(&quot;X-SHA1-Hash&quot;, hash)
      let resp, ri = (resource &quot;/images&quot;, pic) ||&gt; post
      
      resp.StatusCode =? Code.Created
      ri.sha1 =? hash
      mustHaveHeaders resp

I couldn&#39;t get Fiddler2 working with WP7.

**EDIT: Welcome to a yak. I&#39;ve moved onto greener pastures myself ;)**

Async POST fails on WP7 and F#

I&#39;ve seen [a lot of talk about running Mono/.NET code on the Raspberry Pi][1]. Has there been any success in actually running any Mono code on a Raspberry Pi?

On their site, they list several Linux distributions that work on the device and some of these distributions include Mono. However, none detail whether Mono works on it.

Is there a working implementation?

  [1]: https://stackoverflow.com/questions/9547047/monodevelop-armv6-raspberry-pi


Mono on Raspberry Pi

I have a simple .net command line tool written and compiled under Windows, using .net 3.5SP1.  I would like to run it on Linux using Mono.

I am using Ubuntu 12.04, and installed Mono Runtime using the Ubuntu software center.  If I try to start my app in the terminal by doing:

    mono MyApp.exe

I get the error:
&gt; The assembly mscorlib.dll was not found or could not be loaded.  It should have been installed in the &#39;usr/lib/mono/2.0/mscorlib.dll&#39;.

If I navigate to that location, I see that it does not exist.  However, there is `usr/lib/mono/4.0/mscorlib.dll` (and some more DLLs in the same folder).

So seemingly there is a version mismatch.

[in case it matters, `mono -V` shows `Mono JIT compiler version 2.10.8.1 (Debia 2.10.8.1-1ubuntu2)` ]

Unable to run .net app with Mono - mscorlib.dll not found (version mismatch?)

Is it possible to write an android app using C#? Is there an API or something? Is it free for personal and commercial development?

What do I need to install to have android project template in my Visual Studio?

Develop Android app using C#

Having empty `Dictionary&lt;int, string&gt;` how to fill it with keys and values from XML like 

    &lt;items&gt;
    &lt;item id=&#39;int_goes_here&#39; value=&#39;string_goes_here&#39;/&gt;
    &lt;/items&gt;

and serialize it back into XML not using XElement?

How to serialize/deserialize to `Dictionary&lt;int, string&gt;` from custom XML not using XElement?

I&#39;m trying to create a DialogFragment using my own Layout. 

I&#39;ve seen a couple different approaches.  Sometimes the layout is set in OnCreateDialog like this:
(I&#39;m using Mono but I&#39;ve gotten somewhat used to Java)

    public override Android.App.Dialog OnCreateDialog (Bundle savedInstanceState)
    {
        base.OnCreateDialog(savedInstanceState);
        AlertDialog.Builder b = new AlertDialog.Builder(Activity);
            //blah blah blah
        LayoutInflater i = Activity.LayoutInflater;
        b.SetView(i.Inflate(Resource.Layout.frag_SelectCase, null));
        return b.Create();
    }

This first approach works for me... until I want to use `findViewByID.`
so after a bit of googling I tried the second approach which involves overriding `OnCreateView`

So I commented out two lines of `OnCreateDialog` that set the Layout and then added this:

    public override Android.Views.View OnCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
	{
        View v = inflater.Inflate(Resource.Layout.frag_SelectCase, container, false);
            //should be able to use FindViewByID here...
        return v;
    }

which gives me a lovely error:

    11-05 22:00:05.381: E/AndroidRuntime(342): FATAL EXCEPTION: main
    11-05 22:00:05.381: E/AndroidRuntime(342): android.util.AndroidRuntimeException: requestFeature() must be called before adding content

I&#39;m stumped. 

Content Type	Original Author	Original Content on Stackoverflow
Question	user1002059	View Question on Stackoverflow
Solution 1 - Ubuntu	a lead alcove	View Answer on Stackoverflow

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