Tutorial by Examples: le

import React, { Component } from 'react'; import { WebView } from 'react-native'; class MyWeb extends Component { render() { return ( <WebView source={{uri: 'https://github.com/facebook/react-native'}} style={{marginTop: 20}} /> ); } } ...

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...

In order to create an use a custome tag,we need to follow couple of steps: Create a tag file,defining the attributes used by it and any variables which will be used by the tag a. The attributes need to have a name,their type and and required field with a boolean value b. The variables will be...

In previous versions, setting up provisioning profiles was done manually. You generate distribution profile, download it and then distribute your app. This had to be done for every development machine which was extremely time consuming. However, in most situations nowadays, Xcode 8 will do most of t...

Once it's done, you can find your archive in the Xcode organizer. This is where all your previous versions and archive builds are saved and organized in case you do not delete them. You will immediately notice a large blue button saying "Upload to App Store..." however in 9/10 cases this w...

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....

//create a new ExcelPackage using (ExcelPackage excelPackage = new ExcelPackage()) { //create 2 WorkSheets. One for the source data and one for the Pivot table ExcelWorksheet worksheetPivot = excelPackage.Workbook.Worksheets.Add("Pivot"); ExcelWorksheet worksheetData = exc...

After defining the structure of your form with the WinForms designer you can display your forms in code with two different methods. Method - A Modeless form Form1 aForm1Instance = new Form1(); aForm1Instance.Show(); Method - A Modal Dialog Form2 aForm2Instance = new Form2(); aF...

A modeless form is employed (usually) when you need to shows something permanentely alongside your application main screen (think about a legend or an view on a stream of data coming asynchronously from a device or an MDI Child Window). But a modeless form poses an unique challenge when you want t...

-- Create a sample JSON with ARRAY create table car_sample(dim_id integer, info varchar(2000)); insert into car_sample values (200, '{"cars": [ { "Manufacturer": "Nissan", "Models": [{"Name":"Sentra", "doors":4}, {"Name&quo...

Below example changes the opacity of the image based on the "status" parameter. <img class="img-responsive" ng-src="{{imagesrc}}" ng-style="{'opacity' : (status == 2) ? 1 : 0.5}">

Let's say that inside a resources file, you had a file called /icons/ok.png The full url of this file within code is qrc:/icons/ok.png. In most cases, this can be shortened to :/icons/ok.png For example, if you wanted to create a QIcon and set it as the icon of a button from that file, you could u...

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 Reference in C++ is just an Alias or another name of a variable. Just like most of us can be referred using our passport name and nick name. References doesn't exist literally and they don't occupy any memory. If we print the address of reference variable it will print the same address as that of...

CREATE TABLE myschema.tableNew AS ( SELECT * FROM myschema.tableOld ) WITH DATA

CREATE TABLE myschema.tableNew AS ( SELECT * FROM myschema.tableOld ) WITHOUT DATA

CREATE TABLE myschema.tableNew AS ( SELECT * FROM myschema.tableOld WHERE column1 = 'myCriteria' ) WITH DATA

Concept AsyncTask is a class that allows running operations in the background, with the results being published on the UI thread. The main purpose is to eliminate all the boilerplate code for starting/running a thread by eliminating the handlers and all the stuff that are needed for manipulating t...

The interface Flyable is a class module with the following code: Public Sub Fly() ' No code. End Sub Public Function GetAltitude() As Long ' No code. End Function A class module, Airplane, uses the Implements keyword to tell the compiler to raise an error unless it has two methods...

First, you need to prepare the environment by creating the SQL Server table and the CSV file. Run the script below in SQL Server to create the SQL table either on a new database or an existing one. For this example, I used my ‘TrainingDB’ database. /* Creates table for Students.csv */ CREATE TABL...