Author Archives: Arun CP

How to do navigation and data pass in swiftUI?

By | January 14, 2024

In SwiftUI, navigation is typically handled using the NavigationView and related components. Here’s a basic guide on how to perform navigation in SwiftUI: Basic Navigation with NavigationLink: 2. Creating NavigationLinks: 3. Creating the Destination View: 4. Putting it All Together: Passing Data with NavigationLink: 2. Receiving Data in Destination View:In the destination view, define a… Read More »

What are the difference between UIKit and SwiftUI in iOS?

By | January 14, 2024

UIKit and SwiftUI are both UI frameworks used in iOS development, but they differ significantly in terms of design, architecture, and development approach. Here are some key differences between UIKit and SwiftUI: 1. Declarative vs Imperative 2. UI Layout 3. Code re-usability 4. Live preview 5. UI Representation 6. State management 7. Adoption and Legacy… Read More »

How data is passed from one view to another in SwiftUI?

By | January 13, 2024

In SwiftUI, you can pass data from one view to another using the @State, @Binding, @ObservedObject, or @EnvironmentObject property wrappers. The appropriate choice depends on the nature of the data and the relationship between the views. Below are brief explanations and examples for each approach: 1. @State : Use @State to store simple values within… Read More »

Setting button actions programatically in Java, Python, JavaScript, SWIFT and Kotlin

By | January 9, 2024

Button action calls for an action when user tap on a button. This may be for making a service call, for doing some calculation or simply just to dismiss a view. Here are the different ways of setting button action in different languages. Java Python (TKinter) JavaScript: Swift Kotlin These examples demonstrate how to set… Read More »

Three common errors in Python programming along with examples

By | January 5, 2024

1. Syntax ErrorExample: 2. IndentationErrorExample: Explanation: Python relies on indentation to define block structures. The print statement is not properly indented under the if statement, leading to an indentation error. 3.NameErrorExample: Explanation: The variable y is not defined before trying to print it, resulting in a NameError. It’s worth noting that the examples provided are… Read More »

Convert a date from Central Standard Time (CST) to Indian Standard Time (IST)

By | January 2, 2024

To convert a date from Central Standard Time (CST) to Indian Standard Time (IST), you need to consider the time zone difference between these two zones. Below are examples in Swift : Swift: Java: Python: JavaScript: These examples assume a specific date and time format. You should adjust the date format and time zone identifiers… Read More »

Converting date into string format in Python, Javascript, Java and Ruby

By | December 30, 2023

Pythonfrom datetime import datetimedate_object = datetime.now()date_string = date_object.strftime(“%Y-%m-%d %H:%M:%S”)print(date_string) JavaScriptconst currentDate = new Date();const dateString = currentDate.toISOString(); // Adjust the format as neededconsole.log(dateString); Javaimport java.text.SimpleDateFormat;import java.util.Date; public class DateToString {public static void main(String[] args) {Date currentDate = new Date();SimpleDateFormat dateFormat = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”);String dateString = dateFormat.format(currentDate);System.out.println(dateString);}} Rubyrequire ‘date’current_date = DateTime.nowdate_string = current_date.strftime(‘%Y-%m-%d %H:%M:%S’)puts date_string… Read More »