Tutorial by Examples: p

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...

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...

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...

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...

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...

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 ...

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...

In the classical languages like Java, C# or C++ we start by creating a class and then we can create new objects from the class or we can extend the class. In JavaScript first we create an object, then we can augment the object or create new objects from it. So i think, JavaScript demonstrates actua...

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...

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...

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

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...

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...

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...

<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...

Support Portrait and Landscape both type of image Drawing and other subviews can be merged in my case I'm adding label to draw { CGSize fullSize = getImageForEdit.size; CGSize sizeInView = AVMakeRectWithAspectRatioInsideRect(imgViewFake.image.size, imgViewFake.bounds).size; CGFl...

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...

Create a TCP server in Qt is also very easy, indeed, the class QTcpServer already provide all we need to do the server. First, we need to listen to any ip, a random port and do something when a client is connected. like that: _server.listen(QHostAddress::Any, 4242); connect(&_server, SIGNAL...

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...

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