Kirk Evans Blog

.NET From a Markup Perspective

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  • Blog Post: Device Simulator for Event Hubs

    This post will show how to build a simulator to send messages to Azure Event Hubs. Background I have been doing a lot of work with Event Hubs stream processing lately, and I find that I need different types of device simulators.  I need one that sends a few messages, one that continuously sends...
  • Blog Post: Scaling Azure Event Hubs Processing with Worker Roles

    This post will show how to host an Azure Event Hubs EventProcessorHost in a cloud service worker role. Background Imagine that you have a scenario where you have a solution that needs to ingest millions of events per second, and you need to process these events in near real time.  There are many...
  • Blog Post: Autoscaling Azure–Cloud Services

    This post shows how to autoscale Azure Cloud Services using a Service Bus queue. Background My role as an Architect for Azure COE requires me to have many different types of discussions with customers who are designing highly scalable systems.  A common discussion point is “elastic scale”, the ability...
  • Blog Post: Autoscaling Azure–Virtual Machines

    This post will demonstrate autoscaling in Azure virtual machines. Background While I spend most of my time working with PaaS (platform as a service) components of Azure such as Cloud Services and Websites, I frequently need to help customers with solutions that require IaaS (infrastructure as a service...
  • Blog Post: Making SharePoint Apps Scale with Azure Redis Cache

    This post will show how to create custom classes for a SharePoint 2013 app that enable the use of Azure Redis Cache. Background Often times there are web application design constraints that require use of session state. From Scott Guthrie’s book: It's often not practical in a real-world...
  • Blog Post: I Love Orchard CMS, And You Should Too

    This post will show some of the features of Orchard that I have recently fallen in love with. Background I have been playing with several CMS solutions in Azure Websites.  For instance, I recently built a site for my son’s high school football team using DNN .  Lately I have been tinkering...
  • Blog Post: Solving a Throttling Problem with Azure

    This post shows how we addressed a throttling problem when writing to an existing system using Microsoft Azure. Background I am working on a project with a customer, and we had the need to write to an existing system.  The idea was to collect input from lots of systems and input them into a single...
  • Blog Post: High Trust SharePoint Apps on Non-Microsoft Platforms

    This post will discuss some options for building high-trust apps for SharePoint when the app is not running on a Microsoft platform.  Background Let me start this post by saying I don’t have code to announce or a solution to provide.  I am merely pointing out that building both low-trust and...
  • Blog Post: Initiate a Skype chat from a Windows app

    This post will show how to initiate a chat using Skype from a Windows app. Background I am working on a team project that needs to add a bunch of functionality such as sharing to social networks and initiating discussion with others.  We have a very limited amount of time to build this functionality...
  • Blog Post: Sharing in Windows 8 Apps

    This post will show an example of sharing using a Windows 8 app. Background I am working on a team project with a requirement to post information to Twitter and Facebook from a Windows 8 app.  We started looking at writing our own user interfaces to do this, and then realized this was kind of nuts...
  • Blog Post: Call Multiple Services With One Login Prompt Using ADAL

    This blog will show how to create a client application using Active Directory Authentication Library (ADAL) that authenticates to multiple Web API applications in Azure Active Directory while only prompting the user a single time for credentials. Background I wrote a previous post that showed how you...
  • Blog Post: Build Android Apps With Xamarin Using Portable Class Libraries

    This post will show how to use Xamarin.Android and Visual Studio 2013 to build an app for Android reusing an existing portable class library. Background In a previous post, Using Portable Class Libraries to Reuse Models and ViewModels , I showed an example of creating a portable class library (PCL) and...
  • Blog Post: Calling O365 APIs from your Web API on behalf of a user

    This post will show how to create a custom Web API that calls the Office 365 APIs on behalf of a user. Background How about that title?!?  That’s pretty geeky. I’ve been working with a customer who is interested in the new Office 365 APIs that were announced at SharePoint Conference.  They...
  • Blog Post: Using Portable Class Libraries to Reuse Models and ViewModels

    This post will show you how to create a portable class library (PCL) to reuse logic across client applications.  We show how to reuse the model and view model in various Windows platforms in this post, and show how to reuse it within an Android application in the post Build Android Apps With Xamarin...
  • Blog Post: Deploying a SharePoint App to Azure As Part of a Build

    This post will show how to use continuous integration with a SharePoint provider-hosted app deployed to an Azure web site. Background I’ve written on the topic of SharePoint apps and ALM before, but I couldn’t get the whole thing to work with Azure web sites, just my own IIS server.  I decided it...
  • Blog Post: Deploying an Azure Web Site Using Git and Continuous Integration

    This post will show how to deploy an Azure Web Site using Git and Continuous Integration.  By the time I typed that long title, I’ve told you pretty much the whole story.  Background I attended the Global Windows Azure Bootcamp today and had a blast going through labs and watching demos. ...
  • Blog Post: Git for Team Foundation Developers - Merging

    This post will show how to merge using Git.  This is the third post in a series. Git for Team Foundation Developers Git for Team Foundation Developers – Branches Git for Team Foundation Developers – Merging (this post) The series focuses on introducing Git for developers who are familiar with Team...
  • Blog Post: Git for Team Foundation Developers–Branches

    This post will illustrate branching with Git.  This is the second post in a series. Git for Team Foundation Developers Git for Team Foundation Developers – Branches (this post) Git for Team Foundation Developers - Merging The series focuses on introducing Git for developers who are familiar with...
  • Blog Post: Building SharePoint 2013 Apps with Windows Azure PaaS

    This post will show how to create a SharePoint 2013 app leveraging Windows Azure PaaS and the Windows Azure SDK 2.2. You can watch the video online of the presentation that I did about this solution at SharePoint Conference 2014, Building SharePoint Apps with Windows Azure Platform as a Service, at...
  • Blog Post: Building a SharePoint App as a Timer Job

    This post will show how to create an app as a timer job. Background One of the complicated parts of the app model today is trying to figure out how to do things that I used to do in full trust code using the app model.  Honestly, things look a little different, and this pattern will be useful to...
  • Blog Post: Attaching Remote Event Receivers to Lists in the Host Web

    This post shows how to attach a remote event receiver to a list in the host web for a SharePoint provider-hosted app. Background While working on the SharePoint 2013 Ignite content, apps were still very much new and very little documentation existed.  We were fighting a problem of using an app that...
  • Blog Post: Call O365 using CSOM with a Console Application

    This post shows how to use the SharePointOnlineCredentials class to authenticate to O365 from a console application. Background I write a ton of short samples for customers and co-workers.  I’ve written this one quite a few times but never seemed to add it to my personal source code control repository...
  • Blog Post: Setting a SharePoint Person or Group Field Value with CSOM

    I recently was asked a question about setting a Person or Group field value in a list using CSOM.  This post shows how to programmatically set a user or group field value using CSOM. Background A developer wants to programmatically add users as members to a Community site in SharePoint 2013. ...
  • Blog Post: What Every Developer Needs to Know About SharePoint Apps, CSOM, and Anonymous Publishing Sites

    This post will show what works and what doesn’t with CSOM and REST in a SharePoint 2013 publishing site that permits anonymous access.  More importantly, we show what you should and should not do… and why. Overview I frequently see questions about using SharePoint apps with “public-facing web sites...
  • Blog Post: Enabling the Developer Site Collection Feature in SharePoint Online

    I have been doing a bit of work updating some of our content for apps lately, and I found a couple areas where I needed to enable the developer site collection feature for a new site collection.  You might want to enable the developer site collection feature when you need to side-load an app and...
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