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Articles on Trending Technologies
Technical articles with clear explanations and examples
In Swift how to call a method with parameters on GCD main thread?
In Swift, you can easily call a method along with parameters on the main thread through GCD. You can use the DispatchQueue.main.async method to execute a method on the main thread. Let's learn how to achieve this in Swift. Also, you can call a method with parameters after a delay using the DispatchQueue.main.asyncAfter method. Grand Central Dispatch (GCD) In iOS, macOS, and other Apple operating systems, Grand Central Dispatch (GCD) is a low-level C API that offers effective, system-wide control of concurrent processes. It is constructed on top of the dispatch queues and thread management primitives at a lower level. ...
Read MoreHow to remove all subviews of a view in Swift?
In Swift, you can remove subviews of a view by using a loop to iterate through each subview. Swift provides a method called removeFromSuperview() to remove a view from its superview. In this article, you will learn how to use this method with some examples. removeFromSuperview() This method belongs to the UIView class in Swift. This can be used to remove a view object from its superview. To call this method, you need to call it from a view object which needs to be removed from the superview. When you run removeFromSuperview() on a view, it sends a message to ...
Read MoreHow to play a sound using Swift?
In Swift, there is a framework called AVFoundation that provides flexibility to play audio files. This framework provides you with a class called AVAudioPlayer to manage audio play and pause. In this article, you will learn how to play a sound using the AVAudioPlayer class in Swift. AVFoundation This framework is a very powerful multimedia framework in Swift. This provides you with most of the features to work with media files like audio, video, and other types of media files. This framework uses some common classes to manage media files. AVPlayer − This is a class that supports high-quality ...
Read MoreHow to get a unique device ID in Swift?
In Swift, you can use the UIDevice class to get a unique device ID. In this article, you will learn how to get a unique device ID using the identifierForVendor property in Swift. What is the UIDevice Class? Swift's UIDevice class gives access to device information like as name, model, system version, and unique identifier. Here's a rundown of some of the most significant attributes and methods of the UIDevice class − current − The current device object is returned by this class attribute. name − This property returns the device's name. model − The model of the device, ...
Read MoreHow do you create a Swift Date object?
In Swift, there is the Date class to work with all kinds of date formats. You can manipulate and format date objects using the Date class. There are other supported classes like DateComponents, DateFormatter, etc that help you format date objects from one type to another type. Let's learn about dates with some examples. In Swift, you can create a Date object using the Date() initializer, which returns the current date and time − let currentDate = Date() Creating a Date Object From a String Representation You can create a Date object from a string representation of a date ...
Read MoreHow do I concatenate strings in Swift?
In Swift, you can use the "+" operator and join function to join the strings. You can concatenate multiple strings using this operator. In this article, we will see some examples of how to concatenate the strings. Here are several examples of using the operator and in-built functions. Algorithm Step 1 − Create the strings Step 2 − Combine both strings using the given function Step 3 − Print the input and output string on the console Example 1 In this example, we will see an example of adding two strings with a space. import Foundation let ...
Read MoreWhat is the full form of BBC ?
What is the Full Form of BBC? BBC stands for British Broadcasting Corporation. This is the biggest TV network. It is the world's biggest broadcasting organisation, with origins stretching over several continents. Over 3, 5004 stars are employed full- or part-time, permanently, financially, and in a timely way by this company. The yearly television license fee serves as this business's funding source. This company offers a wide range of services to the public, including newspapers, television, radio, online music, and many others. It is a publically funded system. In addition to English, the dominant language, they also broadcast the ...
Read MoreHow can I convert string date to NSDate?
In Swift, you can use the DateFormatter class to convert a string date to a date object. This class provides date conversion properties and methods. In this article, we will see some examples of date conversions. DateFormatter Class Swift's standard library has a class that is used to convert dates. It may be used to change a string into a date object and the other way around. To parse date objects in various formats, this class offers attributes and methods. You must build an object of the DateFormatter class in order to transform a string to a date object and ...
Read MoreSwift Program to Split a set into Two Halves
In Swift, a set is used to create an unordered collection of unique elements. To split a set into two halves we use a approach in which we first determine the midpoint of the given set using integer division method and then loop through the set and insert element into either the first half or second half set according to the index related to the midpoint. For example − Original Set - [2, 4, 5, 6, 7, 1] Set1 - [2, 4, 5] Set2 - [6, 7, 1] Algorithm Step 1 − Create a function which takes ...
Read MoreWhat is the full form of BA ?
Introduction A Bachelor of Arts (BA) degree is an undergraduate academic degree program that typically takes four years to complete. It is a broad-based degree program that covers a wide range of subjects such as humanities, social sciences, or liberal arts. A BA degree provides a well-rounded education that develops critical thinking, communication, and analytical skills, which employers across different industries highly value. BA graduates have a higher earning potential and better job prospects compared to individuals without a degree. BA programs often offer opportunities for internships, research projects, study abroad programs, and extracurricular activities that enhance students' ...
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