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class Program { static void Main(string[] args) { string serverName = "INTACT-ETL"; string databaseName = "SOMEDB"; string collectionName = "TestCol"; //Build Connection string ...

Complete the Installation and setup part to connect your app to Firebase. This will create the project in Firebase. Add the dependency for Firebase Cloud Messaging to your module-level build.gradle file: dependencies { compile 'com.google.firebase:firebase-messaging:10.2.1' } ...

The basic use of fit is best explained by a simple example: f(x) = a + b*x + c*x**2 fit [-234:320][0:200] f(x) ’measured.dat’ using 1:2 skip 4 via a,b,c plot ’measured.dat’ u 1:2, f(x) Ranges may be specified to filter the data used in fitting. Out-of-range data points are ignored. (T. W...

SQL has two logical functions – CHOOSE and IIF. The CHOOSE function returns an item from a list of values, based on its position in the list. This position is specified by the index. In the syntax, the index parameter specifies the item and is a whole number, or integer. The val_1 … val_n paramete...

Try catch Errors must always be handled. If you are using synchronous programming you could use a try catch. But this does not work if you work asynchronous! Example: try { setTimeout(function() { throw new Error("I'm an uncaught error and will stop the server!"); }, 1...

Callback hell (also a pyramid of doom or boomerang effect) arises when you nest too many callback functions inside a callback function. Here is an example to read a file (in ES6). const fs = require('fs'); let filename = `${__dirname}/myfile.txt`; fs.exists(filename, exists => { if (exi...

Progress supports one dimensional arrays, but they are called EXTENTS. /* Define a character array with the length 5, and display it's length */ DEFINE VARIABLE a AS CHARACTER EXTENT 5 NO-UNDO. DISPLAY EXTENT(a). Individual positions i the array is accessed using "standard" c-style b...

array_add() This method is used to add new key value pairs to an array. $array = ['username' => 'testuser']; $array = array_add($array, 'age', 18); result ['username' => 'testuser', 'age' => 18]

camel_case() This method changes a string to camel case camel_case('hello_world'); result HelloWorld

Path methods helps easy access to application related paths easily from anywhere. public_path() This method returns the fully qualified public path of the application. which is the public directory. $path = public_path();

First, Go to Tools > NuGet Package Manager > Package Manager Console. Enter this Command "Install-Package Plugin.Facebook" in Package Manger Console. Now all the file is automatically created. Video : Login with Facebook in Xamarin Forms Other Authentication by using Pl...

From the Welcome to Android Studio dialogue box, select New Project... to open the Create New Project dialog. In the New Android Application dialog, under Application name, specify an appropriate application name. The remainder of this tutorial uses BasicMapSolution as the application name....

When you have defined the basic layout of the application and acquired necessary permissions, the final step is to initialize the instance of the MapFragment class, thus creating and associating a Map with the MapFragment declared in the activity_main.xml file. public class BasicMapActivity extends...

When using the Oozie Proxy job submission API for submitting the Oozie Hive, Pig, and Sqoop actions. To pass any configuration to the action, is required to be in below format. For Hive action: oozie.hive.options.size : The number of options you'll be passing to Hive action. oozie.hive.options....

Bokeh's Docs on Installation Bokeh runs on Python it has the following dependencies; NumPy, Jinja2, Six, Requests, Tornado >= 4.0, PyYaml, DateUtil If you plan on installing with Python 2.7 you will also need future. All of those come with the Anaconda Python Distribution. Which you can downl...

The abstract class IntentService is a base class for services, which run in the background without any user interface. Therefore, in order to update the UI, we have to make use of a receiver, which may be either a BroadcastReceiver or a ResultReceiver: A BroadcastReceiver should be used if your s...

Use browser.driver instead of driver Use browser.driver.ignoreSynchronization = true Reason: Protractor waits for angular components to load completely on a web-page befor it begins any execution. However, since our pages are non-angular, Protractor keeps waiting for 'angular' to load till the tes...

Install-Package MailKit

using MailKit.Net.Smtp; using MimeKit; using MimeKit.Text; using System.Threading.Tasks; namespace Project.Services { /// Using a static class to store sensitive credentials /// for simplicity. Ideally these should be stored in /// configuration files public static class C...

Before starting with deletion I just want to put some lights on what is a Binary search tree(BST), Each node in a BST can have maximum of two nodes(left and right child).The left sub-tree of a node has a key less than or equal to its parent node's key. The right sub-tree of a node has a key greater ...