Tutorial by Examples: l

Push Notification Simple Setup

Create new project PushNotification react-native init PushNotification Put following in index.android.js import React, { Component } from 'react'; import { AppRegistry, StyleSheet, Text, View, Button } from 'react-native'; import PushNotification from 'react-native-push-no...

react-native • PushNotification

The Artery Simulation Framework

Artery (https://github.com/riebl/artery) is a simulation framework for OMNeT++. It is designed to simulate the ETSI ITS-G5 protocol stack which is used in European VANETs. Currently, it is using OMNeT++ in version 5.0. It is completely open source and under active development. Feature Overview: ...

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

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 Json and C# mulitple browsers

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 browsers installed and the drivers in your path variable Microsoft Edge C# code to create a remote webdriver // Defining webdrive...

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

Use golang/dep

golang/dep is a prototype dependency management tool. Soon to be an official versioning tool. Current status Alpha. Usage Get the tool via $ go get -u github.com/golang/dep/... Typical usage on a new repo might be $ dep init $ dep ensure -update To update a dependency to a new version, yo...

Go • Vendoring

algorithm provided by OpenSSL

A generic new() constructor that takes the string name of the desired algorithm as its first parameter also exists to allow access to the above listed hashes as well as any other algorithms that your OpenSSL library may offer. The named constructors are much faster than new() and should be preferred...

Python Language • hashlib

Rate/Review iOS Application

Just type below one line code from where you want user to rate/review your application. SKStoreReviewController.requestReview()

iOS • Application rating/review request

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

Maven Build Lifecycle Phases

validate Validates whether the project is correct and all the required information are available for the build. initialize Initializes the build environment, e.g. sets properties or creates directories. generate-sources Generates source code to be processed in the 'compile' phase. proces...

Apache Maven • Maven Build Cycle

POM.xml to perform release to Nexus repository

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <grou...

Apache Maven • Perform a Release

TCP Client

To create a TCP connection in Qt, we will use QTcpSocket. First, we need to connect with connectToHost. So for example, to connect to a local tcp serveur: _socket.connectToHost(QHostAddress("127.0.0.1"), 4242); Then, if we need to read datas from the server, we need to connect the signal...

Qt • Qt Network

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