Tutorial by Examples: p

Just like you handle get requests in Express with app.get method, you can use app.post method to handle post requests. But before you can handle POST requests, you will need to use the body-parser middleware. It simply parses the body of POST, PUT, DELETE and other requests. Body-Parser middleware...

In the example we will start tomcat 7 using maven plugin, optionally add user/password protection for REST end point. Also adding feature of building war. Add below section in plugin section of pom for tomcat <plugin> <groupId>org.apache.tomcat.maven</g...

Step 1: Install Node.js The build pipeline you will be building is based in Node.js so you must ensure in the first instance that you have this installed. For instructions on how to install Node.js you can checkout the SO docs for that here Step 2: Initialise your project as an node module Open y...

Java Config The configuration class needs only to be a class that is on the classpath of your application and visible to your applications main class. class MyApp { public static void main(String[] args) throws Exception { AnnotationConfigApplicationContext appContext = ...

jHipster allows you to bootstrap a Spring Boot web application with a REST API back-end and a AngularJS and Twitter Bootstrap front-end. More on jHipster here: jHipster Documentation Install brew: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/inst...

class My_Plugin() { function __construct() { add_action( 'wp_enqueue_scripts', array( $this, 'init_fe_assets' ) ); } public function init_fe_assests() { wp_enqueue_style( 'my-plugin', plugin_dir_url( __FILE__ ) . 'assets/css/frontend/plugin.css', array(), '0.0.1', true ); ...

The Gson library provides Gson.class which handles all conversion between Java and JSON objects. An instance of this class can be created by invoking default constructor. You usually would like to have one Gson instance for the most part of operations in your program. Gson gson = new Gson(); Fir...

Example from phptherightway.com <?php class Singleton { /** * @var Singleton The reference to *Singleton* instance of this class */ private static $instance; /** * Returns the *Singleton* instance of this class. * * @return Singleton The *Sing...

Note: The singleton is a design pattern. But it also considered an anti-pattern. The use of a singleton should be considered carefully before use. There are usually better alternatives. The main problem with a singleton is the same as the problem with global variables. They introduce external glo...

While styling effects can vary depending on the theme, the .table class is used to create a uniform and consistent appearance for tables across an application: <table class="table"> <tr> <th>Season</th> <th>Doctor</th> &l...

Sparse indexes: These can be particularly useful for fields that are optional but which should also be unique. { "_id" : "[email protected]", "nickname" : "Johnnie" } { "_id" : "[email protected]" } { "_id" : "julia@example...

The following is an example for setting and reading cookies using the cookie-parser module: var express = require('express'); var cookieParser = require('cookie-parser'); // module for parsing cookies var app = express(); app.use(cookieParser()); app.get('/setcookie', function(req, res){ ...

In Express, you can define middlewares that can be used for checking requests or setting some headers in response. app.use(function(req, res, next){ }); // signature Example The following code adds user to the request object and pass the control to the next matching route. var express = req...

In Express, you can define unified error handler for handling errors occurred in application. Define then handler at the end of all routes and logic code. Example var express = require('express'); var app = express(); //GET /names/john app.get('/names/:name', function(req, res, next){ if...

xdmp:estimate(cts:search(fn:doc(), cts:element-value-query(xs:QName("d"), "fragment-d"))) xdmp:estimate can not be used on XPaths unlike fn:count is used in previous example xdmp:estimate actually gives the number of matching fragments

To start with App Development we need Visual studio 2013 or higher version. Download latest community or expression edition from here > https://www.visualstudio.com/products/free-developer-offers-vs Once it has been downloaded and installed Open and Click create new project expand Office...

Once we have visual studio, we need a developer site to deploy apps to SharePoint. Simplest way is to get is > Sign up for a free, one year Office 365 developer account https://profile.microsoft.com/RegSysProfileCenter/wizardnp.aspx?wizid=14b845d0-938c-45af-b061-f798fbb4d170&lcid=1033 Once ...

Lets start with creating our first app Open visual studio and > create new project Enter Name and Location Enter your developer site url created in previous step and select Provider-hosted Popup will open which will as for login Next step it will as for type of applicatio...

We have already created first page which will show all the news articles. This page will show Complete article. Add One more Action Method to HomeController [SharePointContextFilter] public ActionResult Aticle(int ArticleId) { User spUser = null; var spContext = SharePointContext...

Q_OBJECT macro appears in private section of a class. Q_OBJECT requires the class to be subclass of QObject. This macro is necessary for the class to declare its signals/slots and to use Qt meta-object system. If Meta Object Compiler (MOC) finds class with Q_OBJECT, it processes it and generates C+...