Tutorial by Examples: reat

You can create a new notebook in RStudio with the menu command File -> New File -> R Notebook If you don't see the option for R Notebook, then you need to update your version of RStudio. For installation of RStudio follow this guide

dvConstraint = (XSSFDataValidationConstraint)validationHelper.CreateExplicitListConstraint(new string[] { "MON", "TUE" , "WED", "THU", "FRI"});

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MemoryStream excelMS = GetExcelFile(); //Using Resposne Stream to Make File Available for User to Download; Response.Clear(); Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; Response.AddHeader("Content-Disposition", string.F...

Step 1 Making the environment suitable for Notification. Make sure you enabled Background Modes and Push Notification Step 2: Creating an UNNotificationContentExtension Click on the + icon in the bottom which creates a target template and select Notification Content Extention -> next -> ...

class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? var firstTabNavigationController : UINavigationController! var secondTabNavigationControoller : UINavigationController! var thirdTabNavigationController : UINavigationController! var fourth...

When creating a new list item, its fields can be set using syntax similar to string arrays. Note that these fields are not created on the fly and are defined by the schema of the list. These fields (or columns) must exist on the server otherwise the create will fail. All list items will have the Tit...

Let's create a map and a closure to print hello def exMap = [:] def exClosure = { println "Hello" } Assign closure to a property in map exMap.closureProp = exClosure Calling closure exMap.closureProp.call() Output Hello Another Example - Lets create a class with ba...

This example will demonstrate the searchable select box in MVC. it uses Ajax to get all records from database as user types the new character. I'll consider Country and its City example to illustrate the functionality of Searchable dropdown box. Code behind is c# with MVC, but its easy to grasp wh...

Here is how to create your own singleton class for toast messages, If your application need to show success, warning and the danger messages for different use cases you can use this class after you have modified it to your own specifications. public class ToastGenerate { private stati...

The MyFrame class the extends JFrame and also contains the main method import javax.swing.JFrame; public class MyFrame extends JFrame{ //main method called on startup public static void main(String[] args) throws InterruptedException { //creates a frame window ...

Add a new file to Xcode (File > New > File), then select “Source” and click “Header File“. Name your file “YourProjectName-Bridging-Header.h”. Example: In my app Station, the file is named “Station-Bridging-Header”. Create the file. Navigate to your project build settings ...

Add a new Swift file to your Xcode project. Name it as you please and you should get an alert box asking if you would like to create a bridging header. Note: If you don’t receive a prompt to add a bridging header, you probably declined this message once before and you will have to add the header m...

When offering IAP within an an app, you must first add an entry for each individual purchase within iTunes Connect. If you’ve ever listed an app for sale in the store, it’s a similar process and includes things like choosing a pricing tier for the purchase. When the user makes a purchase, the App ...

In iTunes Connect, click iTunes Connect in the top left corner of the window to get back to the main menu. Select Users and Roles, then click the Sandbox Testers tab. Click + next to the “Tester” title. Fill out the information and click Save when you’re done. You can make up a first and last nam...

/* Method: To Create Custom Menu This is First Function to be called when App Loads */ function onOpen() { var ui = SpreadsheetApp.getUi(); // Or DocumentApp or FormApp. ui.createMenu('My HR') .addItem('Send Form to All', 'sendIDPForm_All') .addItem('Trigger IDP System...

The following is a guide on how to create an icon from material design icons: Load the icon font from Google CDN in your index.html:<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> Alternatively, you may import it in your styles.c...

So the most used functions on Clojure map and filter have been modified to return transducers (composable algorithmic transformations), if not called with a collection. That means: (map inc) returns a transducer and so does (filter odd?) The advantage: the functions can be composed into a single f...

This is a compact guide about how to quickly create an R package from your code. Exhaustive documentations will be linked when available and should be read if you want a deeper knowledge of the situation. See Remarks for more resources. The directory where your code stands will be refered as ./, an...

A vignette is a long-form guide to your package. Function documentation is great if you know the name of the function you need, but it’s useless otherwise. A vignette is like a book chapter or an academic paper: it can describe the problem that your package is designed to solve, and then show ...