Teemablogi sissekanded

19.05.2017

Razor Pages with ASP.NET Core 2

With ASP. NET Core 2 we get another way of building web applications. It’s one of those new things that is actually forgotten old thing and it is called Razor Pages. Are we going back to WebMatrix days? This blog post is short introduction to Razor Pages in ASP. NET Core 2. One of new features of ASP. NET Core 2. 0 is support for Razor Pages. Yes, those same pages that came times ago with WebMatrix. 09:15 19.05.2017 kanalilt DT blogi 2

02.05.2017

What is Micro ORM?

Micro ORM-s are useful small ORM-s that are lightweight and map between objects and database queries. This blog post discusses when to use Micro ORM-s and provides example code where Micro ORM called Dapper is used. ORM and Micro ORM ORM is Object-Relational Mapper and it works as querying and object creation runtime between client code and relational database. 08:20 02.05.2017 kanalilt DT blogi 2

27.04.2017

General CSS path transform for ASP.NET bundling

In couple of ASP. NET projects I have had a CSS path transform problems with bundling and minification. CSS-files are coming in from external agencies and from different open-source projects and the number of files is so big that it is problematic to go through all of these after updates. I found solution path transform solution that works for me in most cases and it is described here. 08:20 27.04.2017 kanalilt DT blogi 2

25.04.2017

Taking meeting notes with Lumia 950

In the beginning of year I bought Lumia 950 and got Continuum with it for free. Lumia 950 is excellent phone and I started experimenting with it. One of my first experiments was to make it companion device for meetings so I don’t have to drag my work laptop with me. Developers usually work on powerful laptops and often these machines are annoying to carry around. Bluetooth devices can be connected to Lumia 950 without using Continuum. 09:20 25.04.2017 kanalilt DT blogi 2

24.04.2017

Detecting faces on photos using Microsoft Cognitive Services

I started playing with Microsoft Cognitive Services and discovered that it makes many otherwise complex tasks very easy. This blog post shows how to build web application that detects faces on uploaded photo. Cognitive services account. You need Microsoft Cognitive Services account before you can use services. Only thing you need is Microsoft Account or Office 365 account. 09:17 24.04.2017 kanalilt DT blogi 2

20.04.2017

Introduction to Microsoft To-Do

Microsoft launched yesterday a new cloud service called Microsoft To-Do. The aim of new service is to provide users with simple and familiar looking tool to plan a day. The new service comes with nice looking web interface and there are also apps available for most popular platforms, including Windows and Windows Phone. NB! Microsoft To-Do works currently only with Microsoft Account. 08:20 20.04.2017 kanalilt DT blogi 2

19.04.2017

Using Entity Framework Core in-memory database for unit testing

ASP. NET Core applications can be tested with different testing frameworks and Entity Framework Core makes testing specially easy by removing different technical problems from our way by using in-memory data provider. This blog posts shows how to unit test controllers that use data from Entity Framework Core. NB! The code and tests given here are really minimal and illustrative. 10:01 19.04.2017 kanalilt DT blogi 2

18.04.2017

Using memory cache in ASP.NET Core

ASP. NET Core has memory based caching similar to what we had in previous ASP. NET versions. This blog post shows how to use memory cache alone and with support for distributed cache in ASP. NET Core web applications. Using memory cache Using memory cache starts with adding caching support to services when application starts up. public void ConfigureServices(IServiceCollection services){ services. 11:12 18.04.2017 kanalilt DT blogi 2

17.04.2017

Triggering Azure Functions from Office 365 SharePoint using Microsoft Flow

We cannot use classic SharePoint workflows on Office 365 but using Microsoft Flow we can create new era flow applications that are triggered by events that happen in different sources. This blog post shows how to use Microsoft Flow and Azure Functions to send out e-mail when new meeting is added to SharePoint list. The idea of this blog post is to illustrate how to create the flow where custom code takes over in some point. 09:20 17.04.2017 kanalilt DT blogi 2

07.04.2017

ASP.NET Core: SQL Server based distributed cache

ASP. NET Core supports also distributed cache solutions. Out-of-box there is support for SQL Server and Redis based distributed caches. This blog post focuses to SQL Server based cache we can use when there are really no better options. We don’t need distributed cache with solutions running on one box. 09:30 07.04.2017 kanalilt DT blogi 2

05.04.2017

C# 7.0: Throw expressions

C# 7. 0 introduces throw expressions. We can add exception throwing to expression-bodied members, null-coalescing expressions and conditional expressions. This blog post introduces throw expressions, demonstrates how to use them and also provides a peek behind a compiled throw expressions. Throw expressions are the way to tell compiler to throw exception under specific conditions like in expression bodied members or inline comparisons. 09:20 05.04.2017 kanalilt DT blogi 2

04.04.2017

C# 7.0: Tuple literals

C# 7. 0 brings some new features to tuples and with code editors that support these new features we can use tuples with named members instead of names like Item1…ItemN. This blog post goes through practical example that demonstrates how to move on classic method that returns multiple values to new tuples. I take example from practice and modify it a little bit. 09:20 04.04.2017 kanalilt DT blogi 2

03.04.2017

HTTP-triggered Azure Functions

Azure Functions supports functions that are invoked by HTTP request. It makes it easy to have some scripted functionalities on cloud that we can invoke by simple HTTP request. This blog post shows how to build and run HTTP-triggered Azure Functions using Visual Studio. 09:20 03.04.2017 kanalilt DT blogi 2

29.03.2017

Solving bower and bundling errors in imported ASP.

For some ASP. NET Core projects errors related to bower and bundling may appear after project is moved to csproj file from previous project. json format. This blog post introduces how I got these errors solved for imported project. 09:57 29.03.2017 kanalilt DT blogi 2

24.03.2017

Using Azure AD with ASP.NET Core

Azure Active Directory is cloud-based directory service that allows users to use their personal or corporate accounts to log-in to different applications. Local Active Directory can sync data to its cloud counterpart. Also external users are supported. This blog post shows how to make ASP. NET Core application use Azure AD and how to read data that Azure AD provides about user account. 10:20 24.03.2017 kanalilt DT blogi 2

23.03.2017

C# 7.0: Out variables

C# 7. 0 brings some features to out variables. These new features help us write cleaner code and handle out variables better. This blog post provides samples of these new features in C# 7. 0 and as a surprise it also demonstrates what compiler is doing with these new features. Inline out variables Let’s start with piece of code that demonstrates how TryParse() and some TrySomethingElse() methods work. var intString = "1111";int i = 0; if(int. 10:30 23.03.2017 kanalilt DT blogi 2

22.03.2017

Real-time chart using ASP.NET Core and WebSocket

Using WebSocket support in ASP. NET Core we can easily write real-time data visualization solutions. What if we mix together ASP. NET Core, WebSocket, Knockout and 3D charts? The answer is – nice real-time chart that visualizes sensor readings. This blog post introduces simple real-time chart and IoT device simulator that help to get started with real-time data visualization. 10:30 22.03.2017 kanalilt DT blogi 2

21.03.2017

Getting started with Azure Functions

Azure Functions is serverless computing offer by Microsoft. Functions by Microsoft implementation are scripts that can be written in JavaScript, C#, F#, Python, PHP, Bash, Batch or PowerShell. Functions can be developed on Visual Studio using preview level tools or directly through browser in Azure portal. This blog post introduces Azure Functions and shows how to build your first function. Functions are run by trigger events. 10:30 21.03.2017 kanalilt DT blogi 2

20.03.2017

ASP.NET Core: Building chat room using WebSocket

WebSocket is real-time communication protocol we can use to make UI in browser to send and receive messages from server over real-time communication channel. WebSocket is also supported by ASP. NET Core. This blog post demonstrates how to build simple browser based chat room on ASP. NET Core and WebSocket. Our chat room has two views: one for inserting nick name and the other one for chat room. 10:20 20.03.2017 kanalilt DT blogi 2

17.03.2017

Short introduction to serverless architecture

Serverless architecture and Functions as a Service (FaaS) are new trends in cloud computing. Besides Microsoft and Amazon there are many other vendors providing FaaS services. This blog post is short introduction to serverless architecture and here I try to explain what it is and why we need it. Evolution of cloud During its evolution cloud has had multiple forms and abstraction levels. 10:30 17.03.2017 kanalilt DT blogi 2