Programming Articles - Page 361 of 3363

In iOS, the UIStackView itself doesn't have a background color property. However, you can add a subview to the UIStackView and set its background color. In this example, we will add a stack view with some subviews. After that, we will see how to apply the background color to the stack view. UIStackView UIStackView is a container view that arranges its subviews horizontally or vertically. It automatically calculates the size and position of its subviews based on the stack view's axis, distribution, alignment, and spacing properties. You can add subviews to a UIStackView programmatically or in the Interface Builder. UIStackView ... Read More

To create space at the beginning of a UITextField in Swift, you can set the leftView property of the text field to a UIView with the desired width. By default, UITextField does not provide a margin on the left or right side and this is the most common requirement to have space for a better user interface. In this article, you will see an example of how to add a left margin to the text field. In this example, we first create a view controller and then an email address text field. First, we will see the default text field ... Read More

In Swift, you can open the phone settings page with the click of a button. To open, you can use the UIApplication.shared.open() method. In Swift, you are able to use predefined expressions to open specific screens outside of the app. This predefined expression will help you to open the settings screen from your app. This is a very useful feature in iOS. Here is the Main Function if let url = URL(string:UIApplication.openSettingsURLString) { if UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url, options: [:], completionHandler: nil) } } Here's How This Code ... Read More

A circle is a closed shape formed by tracing a point that moves in a plane such that its distance from a given point is constant. A line is a straight one-dimensional figure that does not have a thickness, and it extends endlessly in both directions. In this article we will check if a given line touches a circle or intersects it using java. We will be given with the centre coordinates and radius of a circle along with equation of the line. We need to check if the given line collides with the circle or not and hence three ... Read More

A polygon is a 2-dimensional closed shape that has at least 3 sides. Depending on the number of sides, relationships of the sides and angles, and other characteristics, polygons can be classified under different names like triangles, squares, and quadrilaterals. The convex polygon definition explains that one is a polygon whose angles are all less than 180 degrees each. That also means that the vertices, the point where two sides meet, all point outward from the centre of the shape. In this article, we will find if two convex regular polygons have same centre or not. We will take two ... Read More

A square is a two-dimensional shape which has four sides of equal length. The opposite sides of a square are parallel to each other and all four interior angles are right angles with diagonal of equal length. In this article we will check how to confirm if given four points form a square. We will be given a square with four points i.e. A, B, C, D as shown in the figure − We need to check from these points that if they form a square or not. To check this it should satisfy the following condition − ... Read More

In Java, Array is an object. It is a non-primitive data type which stores values of similar data type. The matrix in java is nothing but a multi-dimensional array which represents multiple rows and columns. Here we have given a matrix which contains set of elements including both positive and negative numbers and as per the problem statement we have to replace negative numbers with 0 and positive numbers with 1. Let’s deep dive into this article, to know how it can be done by using Java programming language. To show you some instances Instance-1 Given matrix =-21 22 -23 24 -25 26 ... Read More

In Java, Array is an object. It is a non-primitive data type which stores values of similar data type. The matrix in java is nothing but a multi-dimensional array which represents multiple rows and columns. Triangular Matrix − A square matrix is called as a triangular matrix if all the elements above or below the diagonal of that matrix are zeros. Lower- Triangular Matrix − A square matrix is called as a Lower- Triangular Matrix if all the elements above the diagonal of that matrix are zeros. Here we have to print the lower triangular matrix. Let’s start! To show ... Read More

In Java, Array is an object. It is a non-primitive data type which stores values of similar data type. The matrix in java is nothing but a multi-dimensional array which represents multiple rows and columns. An identity matrix is a square matrix where all the elements of the main diagonal (i.e., the diagonal from the top-left to the bottom-right corner) are 1, and all the other elements are 0. It is denoted by the symbol "I" or "In", where "n" represents the size of the matrix. The identity matrix is important in linear algebra because it acts as the ... Read More

Matrices are nothing but it’s more than a collection of data elements arranged in a rectangular layout that is two-dimensional. In Java, an array with two dimensions can be considered as a matrix. As per the problem statement we have to subtract an element “1” to each matrix element. Let’s deep dive into this article, to know how it can be done by using Java programming language. To show you some instances Instance-1 Suppose the original matrix is {{3, 1, 2}, {2, 5, 9}, {6, 3, 10}}; After subtracting the element “1” by given matrix, the result index will ... Read More