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There will be instance where you might get a requirement to control / manipulate width and height the Alert while developing iOS application. If you’re not familiar with the same, it can trouble you.Here we will be seeing how to control the width and height of default alert box, For controlling the height and width we will be using NSLayoutConstraint.To read more about UIAlertController refer − https://developer.apple.com/documentation/uikit/uialertcontrollerIn this, we will be creating a new project where we will have a button, on tapping that button we will show alert with custom message.Step 1 − Open Xcode → New Project → Single ... Read More
The HTML DOM Clipboard event is used to provide information regarding modification of the clipboard. The events can be cut, copy and paste. The Clipboard event can be used to make your site more accessible i.e. giving user information on how the clipboard is being modified.PropertiesFollowing is the property for Clipboard event −PropertyDescriptionclipboardDataTo return an object containing the data affected by the clipboard operation(cut, copy or paste).EventsFollowing are the event types belonging to the Clipboard event −EventDescriptiononcopyThis event fires when the content of an element is copied by the user.OncutThis event fires when the user cuts the content of an ... Read More
To verify whether a given String contains only characters −Read the String.Convert all the characters in the given String to lower case using the toLower() method.Convert it into a character array using the toCharArray() method of the String class.Find whether every character in the array is in between a and z, if not, return false.ExampleFollowing Java program accepts a String from the user and displays whether it is valid or not.import java.util.Scanner; public class StringValidation{ public boolean validtaeString(String str) { str = str.toLowerCase(); char[] charArray = str.toCharArray(); for (int i ... Read More
The HTML DOM cancelable event property is associated with the HTML events as JavaScript can react to these events. The cancelable event property returns a Boolean true or false indicating whether the event can be cancelled or not.SyntaxFollowing is the syntax for cancelable event property −event.cancelableExampleLet us see an example of cancelable event property − Hover over the button below to find out if onmouseover is cancellable event or not CLICK IT function cancelFunction(event) { var x = event.cancelable; if(x==true) document.getElementById("Sample").innerHTML = "The onmouseover event ... Read More
Strings in Java represents an array of characters. They are represented by the String class.Using compareTo() methodThe compareTo() method of the String class two Strings (char by char) it also accepts null values. This method returns an integer representing the result, if the value of the obtained integer is −0: Given two Strings are equal or, null.1 or less: The current String preceeds the argument.1 or more: The current String succeeds the argument.Exampleimport java.util.Scanner; public class CompringStrings { public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println("Enter your first string ... Read More
The HTML DOM Button name property is associated with name attribute of the element. The name property is used to set or return the value of the name attribute of the button. The name attribute is used in forms to select an element using JavaScript.SyntaxFollowing is the syntax for −Setting the name property −buttonObject.name = nameHere, the name property value is used to denote the name of the button.ExampleLet us see an example of the button name property − BUTTON Click the button below and change the above button name. CHANGE function change() { ... Read More
This example demonstrates how do I pick up and hung up calls 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. Step 3 − Add the following code to src/MainActivity.javaimport android.Manifest; import android.content.pm.PackageManager; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The toString() method of the LocalDate class converts the date value of the current Date object in to String and returns it.ExampleFollowing Java example accepts ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system. The now() method of this class obtains the current date from the system clock.The of() method of java.time.LocalDate class accepts three integer parameters representing and year, a month of an year, day of a month and, returns the ... Read More
The java.time package of Java provides API’s for dates, times, instances and durations. It provides various classes like Clock, LocalDate, LocalDateTime, LocalTime, MonthDay, Year, YearMonth etc. Using classes of this package you can get details related to date and time in much simpler way compared to previous alternatives.Java.time.LocalDate − This class represents a date object without time zone in ISO-8601 calendar system.The now() method of this class obtains the current date from the system clock.The plus() method of the LocalDate class accepts a long value representing the amount to add and an object of the interface TemporalAmount representing the unit ... Read More