Tutorial by Examples: app

It makes it easier to manage complexity by dividing an application into the model, the view, and the controller (Separation of concerns). It does not use view state or server-based forms. This makes the MVC framework ideal for developers who want full control over the behavior of an applica...

//the path of the file string filePath = "C:\\ExcelDemo.xlsx"; //or if you use asp.net, get the relative path filePath = Server.MapPath("ExcelDemo.xlsx"); //create a fileinfo object of an excel file on the disk FileInfo file = new FileInfo(filePath); //create a new Ex...

Once you have your UWP application ready for tests you should add test application to your solution. To do it "right" click on the solution and choose "Unit Test App (Universal Windows)": Once you add it to the solution there are few more steps required to configure it. You w...

Once your test application is ready you can connect it with code for which you want to write unit tests. Either you have you code in PCL, or in UWP app project (I assume that you applied MVVM pattern) just add reference to it in Test Application project: Now you have access to all your code from...

Technically, Ruby doesn't have functions, but methods. However, a Ruby method behaves almost identically to functions in other language: def double(n) n * 2 end This normal method/function takes a parameter n, doubles it and returns the value. Now let's define a higher order function (or met...

map() is a built-in function, which means that it is available everywhere without the need to use an 'import' statement. It is available everywhere just like print() If you look at Example 5 you will see that I had to use an import statement before I could use pretty print (import pprint). Thus ppr...

While the basic invocation above is easy enough, the curses package provides the wrapper(func, ...) helper function. The example below contains the equivalent of above: main(scr, *args): # -- Perform an action with Screen -- scr.border(0) scr.addstr(5, 5, 'Hello from Curses!', curses...

For Getting updated or to do something before app goes live to user you can use below method. AppDidFinishLaunching - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Write your code before app launch return YES; } While ...

The example I'm going to discuss assumes you have a Docker installation that works in your system and a basic understanding of how to work with Node.js . If you are aware of how you must work with Docker , it should be evident that Node.js framework need not be installed on your system, rather we wo...

StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() .detectDiskWrites() .penaltyLog() //Logs a message to LogCat .build())

SWIFT: Step 1: In your Info.plist add the following attribute: View controller-based status bar appearance and set its value to NO as described in the image below: Step 2: In your AppDelegate.swift file, in didFinishLaunchingWithOptions method, add this code: UIApplication.shared.st...

Once the IPA file is generated, open Xcode, navigate to developer tools and open Application Loader. If you have multiple accounts in your Xcode, you will be asked to choose. Naturally pick the one you used for code signing in the first step. Pick "Deliver your app" and upload the code....

Environment Setup: Download android sdk of API level 17 or more Node.js (https://nodejs.org/) Appium software (http://appium.io/) Selenium jars (http://www.seleniumhq.org/download/) Appium jar (https://search.maven.org/#search%7Cga%7C1%7Cg%3Aio.appium%20a%3Ajava-client) .apk file of the appl...

A common requirement for a Java application is that can be deployed by copying a single file. For simple applications that depend only on the standard Java SE class libraries, this requirement is satisfied by creating a JAR file containing all of the (compiled) application classes. Things are not ...

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' } ...

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...

The Vector3 structure contains some static functions that can provide utility when we wish to apply movement to the Vector3. Lerp and LerpUnclamped The lerp functions provide movement between two co-ordinates based off a provided fraction. Where Lerp will only permit movement between the two co-or...

Android Apps are written in Java. The Android SDK tools compile the code, data and resource files into an APK (Android package). Generally, one APK file contains all the content of the app. Each app runs on its own virtual machine(VM) so that app can run isolated from other apps. Android system wor...

First of all you should know that you can extend Android.Application class so you can access two important methods related with app lifecycle: OnCreate - Called when the application is starting, before any other application objects have been created (like MainActivity). OnTerminate - This...

Visual Basic for Applications (VBA) is the macro language behind all Microsoft Office products and is essentially identical across all Office products. What differs from product to product is the Object model. Excel has workbooks, worksheets and cells. Access has tables and attributes. Outlook h...