Tutorial by Examples: in

Styling a ComboBox

Starting with the following ComboBoxes: <Window x:Class="WPF_Style_Example.ComboBoxWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft....

wpf • An Introduction to WPF Styles

Creating a Resource Dictionary

Having lots of styles in App.xaml will quickly become complex, so they can be placed in separate resource dictionaries. In order to use the dictionary, it must be merged with App.xaml. So, in App.xaml, after the resource dictionary has been created: <Application xmlns="http://s...

wpf • An Introduction to WPF Styles

Setting up LWJGL3 in Eclipse

Note: This setup guide assumes that you have Java and Eclipse already installed on your machine. If you do not, download the latest version of the Java Development Kit (henceforth referred to as the JDK) and the latest version of Eclipse (Neon 3 at time of writing). Step One: Downloading LWJGL To...

lwjgl • Getting started with lwjgl

Passing arguments

You can also pass arguments with a message to work with. We will use the classed from our previous example and extend them. In the receiving part, right behind the Subscribe method call add the type of the argument you are expecting. Also make sure you also declare the arguments in the handler sign...

Xamarin.Forms • MessagingCenter

Unsubscribing

When you no longer need to receive messages, you can simply unsubscribe. You can do it like this: MessagingCenter.Unsubscribe<MainPage> (this, "Hi"); When you are supplying arguments, you have to unsubscribe from the complete signature, like this: MessagingCenter.Unsubscribe<Ma...

Xamarin.Forms • MessagingCenter

Installation

It is quite easy to install Artery on Linux based systems. You need to have a C++ Compiler with C++11 support as well as Boost and Vanetza libraries for building Artery. Also, you need one of Veins and INET. Of course, OMNeT++ and SUMO are also required. Installing OMNeT++ Download the OMNeT++ 5...

omnet++ • Simulation of VANETs using OMNeT++ and Artery

Running an Example

As Artery is quite complex, it is recommended to start by understanding OMNeT++. A good point to start is the TicToc tutorial. It can be found at https://omnetpp.org/doc/omnetpp/tictoc-tutorial/. This tutorial provides an overview on the basic functionality of OMNeT++. This includes, among others, t...

omnet++ • Simulation of VANETs using OMNeT++ and Artery

Adding my own ITS-G5 Service: Where should I start?

To start with creating your own service, take a look at the base class of each service, which is called ItsG5Service. Also you can look at the CamService and the DenmService as they are already implemented services. All application related files and classes can be found in the artery/application sub...

omnet++ • Simulation of VANETs using OMNeT++ and Artery

Variable inheritance

parent.html.twig <!DOCTYPE html> <html> <head> <title>{{ title_variable | default('Normal Page') }}</title> </head> <body> <h1>This is the {{ title_variable }} Page</h1> </body> </html> ...

twig • Template inheritance

Configuration and useage in C#

Configuration In the following paragraphs there wil be an example per browser for the configuration in Json and setup in C#. This example expects you to have all the drivers in your path variable and browsers installed. Microsoft Edge C# code to create a remote webdriver // Defining webdriver v...

selenium-grid • Selenium Grid Configuration

Examples of some basic Formulas available in Excel

Excel has many Formulas built right in. Here are a few examples of some of the basic Formulas that might be handy to know when getting started with Excel: Important Note : The name and Syntax of these Formulas vary on the language of your Excel installation! For example this Function here : in Eng...

excel • Getting started with excel

How to install Hanami?

Step 1: Installing the Hanami gem. $ gem install hanami Step 2: Generate a new project setting RSpec as testing framework. Open up a command line or terminal. To generate a new hanami application, use hanami new followed by the name of your app and the rspec test param. $ hanami...

Ruby Language • Getting started with Hanami

Enabling MultiDex in your Xamarin.Android APK

MultiDex is a library in the Android APK that allows the app to have more than 65,536 methods. The Android APKs have Dalvik Executable files (.dex) that contain the generated bytecodes compiled from your Java code. Each .dex file can contain up to 65,536 methods (2^16). Android OS versions before ...

Xamarin.Android • Publishing your Xamarin.Android APK

Combining Pipes and Network communication

Pipes supports simple binary communication between a client and a server In this example: a client connects and sends a FirstMessage the server receives and answers DoSomething 0 the client receives and answers DoNothing step 2 and 3 are repeated indefinitely The command data type exchange...

Haskell Language • Pipes

Exception handling

During coding, unexpected errors do arise frequently enough, which requires debugging and testing. But sometimes the errors are indeed expected and to bypass it, there is the Try..Catch..Throw..Finally..End Try block. To manage an error correctly, the code is put into a Try..Catch block, whereby th...

Visual Basic .NET Language • Visual Basic 14.0 Features

Multiple UIViewController in a game: how to jump from the scene to a viewController

Storyboard: Initial viewController: an empty viewController with a button to present the GameViewController GameViewController: the typical GameViewController of the "Hello World" Sprite-kit template. Goal: I want to present the first viewController from my SKScene game with the corre...

sprite-kit • UIKit elements with SpriteKit

Combinators

Parsing input is best achieved through larger parser functions that are composed of smaller, single purpose ones. Let's say we wished to parse the following text which represents working hours: Monday: 0800 1600. We could split these into two "tokens": the day name -- "Monday&q...

Haskell Language • Attoparsec

Getting Started

Here is an example of a test using Pax Exam. package com.example.project.test; import static org.junit.Assert.*; import static org.ops4j.pax.exam.CoreOptions.*; import javax.inject.Inject; import org.junit.Test; import org.junit.runner.RunWith; import org.ops4j.pax.exam.Configuration;...

osgi • Using Pax Exam for integration testing OSGi applications

Raspberry Pi v2 and v3 Arch Linux Installation --- from Mac or Linux

One of the best Linux distributions currently for Raspberry Pi (from now on, "RPi") is Arch Linux. This web shows the installation for: RPi2. ARMv7 architecture (32 bits). RPi3. There are two options: ARMv7 architecture (32 bits) or AArch architecture (64 bits). This t...

Raspberry Pi • Getting started with Raspberry Pi

Installation or Setup

In Ubuntu and Debian sudo apt-get install tmux In macOS brew install tmux

tmux • Getting started with tmux