C# 6.0 String Interpolation

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C# 6.0 String Interpolation

One of the top ten requests on uservoice is String Interpolation. Today we are going to see how to use this feature and how it is implemented in C# 6.0. We all use similar expressions: var str = string.Format("Date: {0}", DateTime.Now); This is string interpolation in C# before 6.0. Now, in C# 6.0, we have new string interpolation technique: var str = $"Date: {DateTime.Now}"; There was nothing new added in to runtime, this is just a syntaxis sugar for "old shcool" interpolati...

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Raspberry Pi 2 Benchmark. Linux vs Windows

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Raspberry Pi 2 Benchmark. Linux vs Windows

I have installed Windows 10 on Raspberry Pi 2, then I have created a simple C# application for it. Now, I am curious what is the difference in performance between Windows 10 IoT Core and Raspbian. To test that I will run a simple C# code on both OS. Code I will do a simple calculation in a loop and will run this code in multiple threads. The amount of threads - 4, because Raspberry Pi 2 has 4 cores. This will load CPU up to 100%. I know that I am using different CLRs and different compilators, b...

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Create C# Universal Application for Raspberry Pi 2

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Create C# Universal Application for Raspberry Pi 2

It is time to create our first C# Windows 10 Universal Application for Raspberry Pi 2. You can find LED blinking example in an official documentation, so today we are gonna create weather application. This application will connect to the remote server and get actual weather information based on city and country name, and display this information on a screen. Prepare your computer Download Visual Studio 2015 Community Edition RC Select Custom installation and enable Universal Windows Apps Develop...

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Install Windows 10 on Raspberry Pi 2 from VirtualBox

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Install Windows 10 on Raspberry Pi 2 from VirtualBox

Microsoft released Windows 10 for Raspberry Pi 2. Today I have got my board, so it is time to install Windows 10 on Raspberry Pi 2. As described in an official documentation you can install Windows 10 Core on SD card only from a physical machine with Windows 10. But today we will install Windows 10 on Raspberry Pi 2 from VirtualBox. Prepare VirtualBox Install Virtual Box (4.3.28 or newer) Install Virtual Box Extension Pack (from the same link) Download and install Windows 10 Enable USB 2.0 in US...

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[Unity3d] Yet Another State Machine for Unity3d

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If logic in your controller to complex for 'if' or 'switch\case' constructions, here is small State Machine implementation for you. Let's start with example how to use this state machine, and then we go through implementation details: public class Test : MonoBehaviour { private StateMachine stateMachine; private State firstState = new State(); private State secondState = new CustomState(); private State finishState = new State(); // Use this for initialization void Start () { var initChild = new...

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[Unity3d] How-to play video in Unity project. MovieTexture

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[Unity3d] How-to play video in Unity project. MovieTexture

If you want to play movie clip in your Unity3d project you need to have Pro version! If you are using Windows machine you also need to have QuickTime installed. After you have everything prepared just drag (or copy) your movie clip into Asset folder, after that you will see it imported. You need a MovieTexture instance to use imported clip. To play movie clip use following code: MovieTexture movie; public void Play() { movie.Play(); } To stop or pause: movie.Pause(); movie.Stop(); You can access...

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[vNext] ASP.NET 5 Dependency Injection with Autofac

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[vNext] ASP.NET 5 Dependency Injection with Autofac

In this part of the vNext tale, I am gonna tell you about dependency injection in ASP.NET 5 (vNext) stack. Default Dependency Injection container First, let's see what is shipped with ASP.NET 5 by default. There is already simple DI container. It gives you a possibility to register service with three different lifetimes: scope, singleton and transient. For now it supports only constructor injection. Let's see how to use it and what is the difference between these lifetimes. Create empty ASP.NET...

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[Fixed] Cannot update Windows 10. Error 0x80246017

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[Fixed] Cannot update Windows 10. Error 0x80246017

When I have tried to update Windows 10 (build 9926) to the latest build, I got following error: "There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help - (0x80246017)" Solution Open regedit (ctrl + r -> regedit.exe) Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost\Applicability Delete ThresholdInternal value Delete ThresholdOptedIn value Set ThresholdRiskLevel  to l...

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[Unity3d] ReadOnly InputField

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[Unity3d] ReadOnly InputField

New UI system was introduced in Unity3d 4.6, it includes InputField control, but this field could not be read only. You can make it non interactable by disabling "Interactable" property in the editor, but then you will not be able to select and copy text from InputField. To have proper ReadOnly input field you should do small modification to the original control: using UnityEngine; using UnityEngine.EventSystems; using UnityEngine.UI; [AddComponentMenu("UI/Read Only Input Field", 32)]...

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Блогомарафон v2.0

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Блогомарафон v2.0

Всем привет, Полтора года назад я провел блогомарафон, постил по одной записи каждый день в течении 30 дней, к сожалению, довести его до конца не получилось, на 24-й день я "забил". По окончанию марафона я сделал кое какие выводы. И как оказалось сделал я их довольно рано, ведь только спустя год я смог оценить результат по настоящему. На тот момент посещаемость была около 150 посетителей в день. Через год я имел 1500, и 80% посещений были на статьи написанные в тот, первый, блогомарафон. Ну а се...

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