Tutorial by Examples: reat

public void OpenXmppConnection(int port, bool useSsl, string serverJid, string userName, string password) { try { _xmppClientConnection.AutoResolveConnectServer = true; _xmppClientConnection.Port = port; _xmppClien...
Creates a graph topology in a distributed manner so that each node defines its neighbors. Each node communicates its rank among neighbors with MPI_Neighbor_allgather. #include <mpi.h> #include <stdio.h> #define nnode 4 int main() { MPI_Init(NULL, NULL); int rank; ...
To extend and expand upon the binding experience we have converters to convert one a value of one type into another value of another type. To leverage Converters in a Databinding you first need to create a DataConverter class tht extens either IValueConverter(WPF & UWP) or IMultiVal...
The yarn init command will walk you through the creation of a package.json file to configure some information about your package. This is similar to the npm init command in npm. Create and navigate to a new directory to hold your package, and then run yarn init mkdir my-package && cd my-pa...
The Symfony Installer is a command line tool that helps you to create new Symfony applications. It requires PHP 5.4 or higher. Downloading and installing the Symfony Installer on Linux / MacOS Open a terminal and execute the following commands: sudo mkdir -p /usr/local/bin sudo curl -LsS https:/...
When creating a model for a table that has a composite primary key, additional work is required on the Object for the model Entity to respect those constraints. The following example SQL table and Entity demonstrates the structure to store a review left by a customer for an item in an online store....
y ~ . : Here . is interpreted as all variables except y in the data frame used in fitting the model. It is equivalent to the linear combinations of predictor variables. For example y ~ var1 + var2 + var3+...+var15 y ~ . ^ 2 will give all linear (main effects) and second order interaction terms of t...
CREATE USER readonly WITH ENCRYPTED PASSWORD 'yourpassword'; GRANT CONNECT ON DATABASE <database_name> to readonly; GRANT USAGE ON SCHEMA public to readonly; GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO readonly; GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly;
This code will prompt you to create the directory with :w, or just do it with :w!: augroup vimrc-auto-mkdir autocmd! autocmd BufWritePre * call s:auto_mkdir(expand('<afile>:p:h'), v:cmdbang) function! s:auto_mkdir(dir, force) if !isdirectory(a:dir) \ && (a:f...
There's two ways to create a ByteBuffer, where one can be subdivided again. If you have an already existing byte[], you can "wrap" it into a ByteBuffer to simplify processing: byte[] reqBuffer = new byte[BUFFER_SIZE]; int readBytes = socketInputStream.read(reqBuffer); final ByteBuffer ...
Right click in MAIN folder > New > Folder > Assets Folder. Assets folder will be under MAIN folder with the same symbol as RES folder. In this example I put a font file.
Providing your microsoft account credentials you can authenticate and receive subscription keys to start with the services. This document describes the various flows in the tool to create your own knowledge base. QnA Maker works in three steps: extraction, training and publishing. To start, feed ...
Latest Android Studio will create & integrate a Basic Widget to your Application in 2 steps. Right on your Application ==> New ==> Widget ==> App Widget . It will show a Screen like below & fill the fields Its Done. It will create & integrate a basic HelloWorld Widget(I...
public function createCustomer($data , $token)//pass form data and token id { $customer=Customer::create(array( "email"=>$data['email'], "description" => $data['name'], "source" => $token // obtained with Stripe.js )); return $cus...
A way to create a list is to place elements in two square brackets, separated by semicolons. The elements must have the same type. Example: > let integers = [1; 2; 45; -1];; val integers : int list = [1; 2; 45; -1] > let floats = [10.7; 2.0; 45.3; -1.05];; val floats : float list = [1...
To develop an application for watchOS, you should start with Xcode. Xcode only runs on macOS. At the time of writing, the latest version is Xcode 8.3. If you want to start a new project from scratch: Boot up your Mac and install Xcode from the App Store if it's not already installed. Choo...
New-S3Bucket -BucketName trevor The Simple Storage Service (S3) bucket name must be globally unique. This means that if someone else has already used the bucket name that you want to use, then you must decide on a new name.
var Human = function() { this.canWalk = true; this.canSpeak = true; // }; Person.prototype.greet = function() { if (this.canSpeak) { // checks whether this prototype has instance of speak this.name = "Steve" console.log('Hi, I am ' + this.name); } else{ c...
HTML <div :class="classes"> <input v-model="compValue" type="text" class="form-control" @keydown.enter = 'enter' @keydown.down = 'down' @keydown.up = 'up' @input = "cha...
Let's start using ExtJS to build a simple web application. We will create a simple web application which will have only one physical page (aspx/html). At a minimum, every ExtJS application will contain one HTML and one JavaScript file—usually index.html and app.js. The file index.html or your defa...

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