Marcel Körtgen mkoertgen

hello.webrtc

Setting up a custom, private WebRTC server using Spreed WebRTC

Using Docker Toolbox on Windows with Hyper-V instead of Virtualbox

Unless you successfully signed up for Docker Beta you probably had trouble getting started with Docker Toolbox on Windows.

The typical issue is that the Docker Quickstart Terminal will refuse to start because Hyper-V is installed, cf. docker/toolbox #77. In fact this is related to Oracle VirtualBox 5.0 coming with the current Docker Tools release.

The usual advice is to just uninstall Hyper-V - which i consider a big deal, especially on Windows 10.

Patching ClickOnce Manifests

The following examples take on the example of deploying the fictional .NET application app.exe. NOTE: With ClickOnce you can only deploy .NET applications out of the box. Ho, cf. How can I deploy a non .net application with ClickOnce?.

Creating a ClickOnce deployment for any .NET application

Create the application manifest from the build output (binaries)

mage -n Application -t app\app.exe.manifest -fd app

How to fix your ClickOnce icons

As described in ClickOnce installing dialog icon (StackOverflow) icons displayed in the ClickOnce installing dialog may seem noisy:

It should be looking like this

How to export and optimize a linux VirtualBox Vagrant VM

You can export a base box from your current Vagrant VM work with

vagrant package --base <vm_name> --output <vm_name>.box

However, before doing this you may try to reduce the size of the base box.

	using System;
	using System.Deployment.Application;
	using System.Diagnostics;
	using System.IO;
	using System.Linq;
	using System.Reflection;
	using Microsoft.Win32;

	namespace MyApp
	{

	@echo off
	setlocal

	set logfile=%~n0.log
	set taskName=%~n0

	cd /D "%~dp0"

	set command=%1
	if "%command%"=="" set command=usage

	rem cf.: http://stackoverflow.com/questions/21729066/running-code-analysis-fxcop-12-0-14-0-on-build-agent-without-installing-visu/32093939#32093939
	@echo off
	setlocal

	set DIR=%~dp0

	rem cf. http://stackoverflow.com/questions/21729066/running-code-analysis-fxcop-12-0-14-0-on-build-agent-without-installing-visu/32093939#32093939

	:install_ms_build_tools
	if exist "%ProgramFiles(x86)%\MSBuild\14.0\Bin\MSBuild.exe" goto install_vcredist

	public static class BalanceExtensions
	{
	// left=0, right=1
	private const int LeftChan = 0;
	private const int RightChan = 1;

	/// <summary>
	/// Gets the ratio of volume across the left and right speakers in a range between -1 (left) and 1 (right). The default is 0 (center).
	/// </summary>
	/// <param name="volume">The audio volume endpoint</param>