To iterate through the LabelValue tuple value, use a simple for loop just like what we do in other collections. Let us first see what we need to work with JavaTuples. To work with LabelValue class in JavaTuples, you need to import the following package −import org.javatuples.LabelValue;Note − Download JavaTuples ... Read More

This example demonstrates how to append data from hashmap to ArrayList for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.   ... Read More

You might come across a scenario where you need to show the UI in a specific orientation may be Landscape or Portrait.We will be seeing how to lock orientation programmatically using Swift in iOS.Open Xcode → New Project → ViewController.swift write the below code.// Set the shouldAutorotate to False override ... Read More

Here we will see what are the basic differences of do-while loop and the while loop in C or C++.A while loop in C programming repeatedly executes a target statement as long as a given condition is true. The syntax is like below.while(condition) {    statement(s); }Here, statement(s) may be ... Read More

This example demonstrates about How to get the current postal code from Network provider in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

In C++ and Java, there is another kind of loop, called the foreach loop. This is basically a modification of for loop. This loop is used to access the data from some container. This can access the elements of some array quickly without performing initialization. This loop is used to ... Read More

To select records having a given key, you can use $exists operator. The syntax is as follows −db.yourCollectionName.find( { yourFieldName: { $exists : true } } ).pretty();To understand the above syntax, let us create a collection with the document. The query to create a collection with a document is as ... Read More

In some cases, we need to use the minimum or maximum value of a specific datatype in different problems. It is very difficult to remember that value. For that reason, C++ has some macros, that are used to denote the minimum and maximum range of some datatype. Some of them ... Read More

Before getting into example, we should know what sqlite data base in android is. SQLite is an open source SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation. SQLite supports all the relational database features. In order to ... Read More

In this section we will see what are the differences between string and the char[] in C++. The char[] is basically an array of characters. So there are some properties of this array. These properties are listed below.If the char[] is allocated in the stack section then it will always ... Read More