Tutorial by Examples: i

This example shows how you might handle users interacting with modals on a 1-1 basis. //client side function modals(socket) { this.sendModalOpen = (modalIdentifier) => { socket.emit('openedModal', { modal: modalIdentifier }); }; this.closeModa...

Normally when rails environment is run by typing. This just runs the default environment which is usually development rails s The specific environment can be selected by using the flag -e for example: rails s -e test Which will run the test environment. The default environment can be change...

If running on a remote server that is using Passenger change apache.conf to to the environment you want to use. For example this case you see RailsEnv production. <VirtualHost *:80> ServerName application_name.rails.local DocumentRoot "/Users/rails/application_name/public" ...

This getting started assumes you are working with create-react-app, or something equivalent using Babel and all the goodies out there. Also check out the great documentation right here. First, install react-router-dom: npm install react-router-dom or yarn add react-router-dom. Then, create a com...

Detailed instructions on getting loadrunner set up or installed.

InputBox, userinput This will store what the user types into the input box in the variable named userinput

WarehosueEntity findWarehouseById(@Param("id") Long id); List<WarehouseEntity> findWarehouseByIdIn(@Param("idList") List<Long> warehouseIdList);

Due to its computational goals, mathematical operations on arrays are straight forward in Fortran. Addition and subtraction Operations on arrays of the same shape and size are very similar to matrix algebra. Instead of running through all the indices with loops, one can write addition (and subtra...

Sending The Request Header $uri = 'http://localhost/http.php'; $ch = curl_init($uri); curl_setopt_array($ch, array( CURLOPT_HTTPHEADER => array('X-User: admin', 'X-Authorization: 123456'), CURLOPT_RETURNTRANSFER =>true, CURLOPT_VERBOSE => 1 )); $out = curl_exec($ch...

CREATE TABLE Table1 ( id INT UNSIGNED NOT NULL, created_on DATE NOT NULL, PRIMARY KEY (id) ) CREATE TABLE Table2 ( id INT UNSIGNED NOT NULL, personName VARCHAR(255) NOT NULL, PRIMARY KEY (id) ) CREATE TABLE Table3 ( id INT UNSIGNED NOT NULL, accountName VA...

Basically to apply a theme for SearchView extracted as app:actionViewClass from the menu.xml, we need understand that it depends completely on the style applied to the underlying Toolbar. To achieve themeing the Toolbar apply the following steps. Create a style in the styles.xml <style name=&qu...

Detailed instructions on getting genetic-algorithm set up or installed.

Our TCP echo back server will be a separate thread. It's simple as its a start. It will just echo back whatever you send it but in capitalised form. public class CAPECHOServer extends Thread{ // This class implements server sockets. A server socket waits for requests to come // in ove...

To get all the server variables run this query either in the SQL window of your preferred interface (PHPMyAdmin or other) or in the MySQL CLI interface SHOW VARIABLES; You can specify if you want the session variables or the global variables as follows: Session variables: SHOW SESSION VARIABLE...

public class JSEngine { /* * Note Nashorn is only available for Java-8 onwards * You can use rhino from ScriptEngineManager.getEngineByName("js"); */ ScriptEngine engine; ScriptContext context; public Bindings scope; // Initialize t...

class Person { constructor(firstname, lastname) { this._firstname = firstname; this._lastname = lastname; } get firstname() { return this._firstname; } set firstname(name) { this._firstname = name; } get lastname() { return this._lastname; } ...

Gradle Setup : build.gradle(Module: app) compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } jackOptions { enabled true } What is the Stream API ? Stream is a new abstract layer introdu...

import Json.Decode as JD import Json.Decode.Pipeline as JP type PostType = Image | Video type alias Post = { id: Int , postType: PostType } -- assuming server will send int value of 0 for Image or 1 for Video decodePostType: JD.Decoder PostType decodePostType = JD.int |&...

Processlist This will show all active & sleeping queries in that order then by how long. SELECT * FROM information_schema.PROCESSLIST ORDER BY INFO DESC, TIME DESC; This is a bit more detail on time-frames as it is in seconds by default SELECT ID, USER, HOST, DB, COMMAND, TIME as time_second...

If you want to notify other clients/users throughout the application ,you not need to worry about the connection because signalr new connection is created every time you visit other pages in the web app. we can leverage the users feature of signalr to achieve the same. see the example below: Here...