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Notes on Reactive Extensions .Net

Written for Rx.Net 2.2.5 (released July 2014)

• Observable.Return()
• Observable.Start()
• Observable.Defer()
• IObservable.Publish()
• IObservable.Replay()
• Custom IObservable

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• http://mtaulty.com/CommunityServer/blogs/mike_taultys_blog/archive/2014/02/05/rx-and-getting-paged-data-from-the-moviedb-api.aspx
• http://blogs.msdn.com/b/rxteam/archive/2012/03/12/reactive-extensions-v2-0-beta-available-now.aspx
• http://www.clipcode.net/mentoring/RxReferenceLibrary.pdf
• https://gist.github.com/staltz/868e7e9bc2a7b8c1f754

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;

class X : IObservable<int>
{
    public IDisposable Subscribe(IObserver<int> observer)
    {
        return Observable.Interval(TimeSpan.FromSeconds(1))

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    internal class VideoExample {
        /**
         * Demonstrate how Rx is used to compose Observables together such as
         * how a web service would to generate a JSON response.
         * 
         * The simulated methods for the metadata represent different services
         * that are often backed by network calls.
         * 
         * This will return a sequence of dictionaries such as this:

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Param ($accessToken, $organisation)
(invoke-webrequest -Uri https://api.github.com/orgs/$organisation/repos?per_page=200"&"access_token=$accessToken"&"type=private).Content | ConvertFrom-Json | % {$_.clone_url} | % {git clone $_}

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"%ProgramFiles(x86)%\IIS Express\iisexpress.exe" /path:%cd%

Defaults to port 8080

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# Paste this into the Nuget Package Manager window in Visual Studio to attach to all w3wp processes
$DTE.Debugger.LocalProcesses | ? Name -m "w3wp.exe" | % Attach

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# Also see https://cyber-defense.sans.org/blog/2015/08/23/powershell-protect-cmsmessage-example-code

$cert = New-SelfSignedCertificate -subject 'CN=TestCert' -Type DocumentEncryptionCert -NotAfter 2100-07-01 -TextExtension @("2.5.29.37={text}1.3.6.1.4.1.311.80.1") -Provider "Microsoft Enhanced RSA and AES Cryptographic Provider"
Export-Certificate -cert $cert -FilePath cert.cer

$ciphertext = Protect-CmsMessage -Content 'password' -To $cert.Thumbprint
$ciphertext
$plaintext = Unprotect-CmsMessage -Content $ciphertext