Tutorial by Examples: w

Let's suppose we are going to insert rows in the previously created table. We can explicitly name the columns we are going to out values is and its order: INSERT INTO EMPLOYEE (EMPNO, FIRSTNME, LASTNAME, SALARY) VALUES ( '123456', 'Ali', 'Veli', 100000); If we know the order and we are going...

By using server.close() and process.exit(), we can catch the server exception and do a graceful shutdown. var http = require('http'); var server = http.createServer(function (req, res) { setTimeout(function () { //simulate a long request res.writeHead(200, {'Content-Type': 'text/plain'})...

>>> df = pd.DataFrame({'Name':['John Smith', 'Mary Brown'], 'Gender':['M', 'F'], 'Smoker':['Y', 'N']}) >>> print(df) Gender Name Smoker 0 M John Smith Y 1 F Mary Brown N >>> df_with_dummies = pd.get_dummies(df, ...

Before creating any extension, always check if it has already been implemented. The first thing one would have to do is define the extension class which will house the twig filters and/or functions. <?php namespace AppBundle\Twig; class DemoExtension extends \Twig_Extension { /** ...

Configuring a private registry to use an AWS S3 backend is easy. The registry can do this automatically with the right configuration. Here is an example of what should be in your config.yml file: storage: s3: accesskey: AKAAAAAACCCCCCCBBBDA secretkey: rn9rjnNuX44iK+26qpM4cDEo...

To get this example working, you'll need to create an IIS 7/8 app on your IIS host and add the directory containing the Node.js Web App as the Physical Directory. Ensure that your Application/Application Pool Identity can access the Node.js install. This example uses the Node.js 64-bit installation....

To get Socket.io working with IISNode, the only changes necessary when not using a Virtual Directory/Nested Application are within the Web.config. Since Socket.io sends requests starting with /socket.io, IISNode needs to communicate to IIS that these should also be handled IISNode and aren't just s...

This example deals with one of the most fundamental aspects of the VHDL language: the simulation semantics. It is intended for VHDL beginners and presents a simplified view where many details have been omitted (postponed processes, VHDL Procedural Interface, shared variables...) Readers interest...

The TLC5940 is a handy item to have when you run out of PWM ports on the Arduino. It has 16 channels, each individually controllable with 12 bits of resolution (0-4095). An existing library is available at http://playground.arduino.cc/Learning/TLC5940. It is useful for controlling multiple servos or...

Bootstrap is an opinionated framework for HTML, CSS and Javascript. It contains basic styling and functionality for what have become accepted [User Interface] elements, such as form elements, buttons, modal windows and navigation elements. Bootstrap is a responsive web framework, meaning it is desi...

This is a statusbar that you see on top of your screen with icons of battry,clock ... . let frame = require("ui/frame"); Hide: frame.topmost().android.activity.getWindow(). getDecorView().setSystemUiVisibility(android.view.View.SYSTEM_UI_FLAG_FULLSCREEN); Show: frame.topmost()....

Firstly, you have to import jquery library . We also need to import findDOmNode as we’re going to manipulate the dom. And obviously we are importing React as well. import React from 'react'; import { findDOMNode } from ‘react-dom’; import $ from ‘jquery’; We are setting an arrow function ‘hand...

angular.module("app") .service("counterService", ["fooService", "barService", function(anotherService, barService){ var service = { number: 0, foo: function () { return fooService.bazMethod(); // Use of 'fooService' ...

For this tutorial, we'll use Entity Framework (EF) Code First to create the back-end database. Web API OData does not require EF. Use any data-access layer that can translate database entities into models. First, install the NuGet package for EF. From the Tools menu, select NuGet Package Mana...

Security is a critical piece of any programming technology or framework for implementing service - oriented applications WCF has been built from the ground up for providing the necessary security infrastructure at the message and service level. In the following sections, you see how to use many...

<bindings > <wsHttpBinding > <binding name="mybinding" > <security mode="Transport" > <transport clientCredentialType="Basic"/ > </security > </binding > </wsHttpBinding > </bindings > ...

This example will show how to make a simple "Hello User [name]" after the login. The example is based on performing a custom action using a hook From your command line terminal, navigate to your Plugins SDK’s hooks folder. To create a hook project, you must execute the create script. Her...

Create a Laravel application: $ composer create-project laravel/laravel hello-world Navigate to the project folder, e.g. $ cd C:\xampp\htdocs\hello-world Create a controller: $ php artisan make:controller HelloController --resource This will create the file app/Http/Con...

ProGuard allows the developer to obfuscate, shrink and optimize his code. #1 The first step of the procedure is to enable proguard on the build. This can be done by setting the 'minifyEnabled' command to true on your desired build #2 The second step is to specify which proguard files are we using...

You can create a new Repository where ever you want, but it's recommended to create them in a seperate Repository folder. While you could name the Repository file and class as you wish, it's recommended to name the Repository EntityNameRepository, to that you could quickly find those in your folder...