In Flutter and Dart, you can turn a given string into a list (with string elements) by using the split() method. Example: // main.dart void main() { const String s = "blue red orange amber green yellow purple pink brown......
To check if a string starts with or ends with a given substring in Dart (and Flutter as well), you can use the startsWith() method and the endsWith() method, respectively: bool x = myString.startsWith(mySubString); bool y =......
When using your app, users may unintentionally include leading or trailing whitespace when inputting data, which can result in inconsistent data. Trimming the whitespace ensures that the data is consistent and easier to work with. In......
This practical, example-centric article walks you through 5 different approaches to calculating the sum of a list of numbers in Dart (and Flutter as well). No need to delay, let’s start right away and write some code. Using......
In Dart (and Flutter as well), you can replace one or multiple substrings in a parent string by using the following built-in methods: replaceAll() replaceAllMapped() replaceFirst() replaceFirstMapped()......
Variance is a statistical measure that quantifies the amount of variability or spread in a set of data. It is calculated as the average of the squared differences from the mean of the data. Standard deviation is the square root of......
A numeric string is a string that represents a number. Numeric strings can contain digits (0-9) and may also include a decimal point, a minus sign (for negative numbers), and an optional exponential notation (for very large or small......
Image source: Pixabay Validating phone numbers is a common task when making Flutter applications. Before sending an SMS with a verification code (that usually costs real money), we should implement some basic checks. In this......
The name of a person (in common languages) usually contains the letters A through Z (lowercase or uppercase), spaces, periods (in abbreviations), and may contain dashes. Examples of human names: Donand J. Trump Geogre W.......
What are the points? To encode or decode Base64 in Dart, you can import and use the dart:convert library: import 'dart:convert'; For base64 decoding, use one of these 2 methods: String base64.encode(List<int> bytes) ......
In Dart, cloning a list or a map means creating a new instance of the list or map that has the same elements or key-value pairs as the original but is a separate, distinct object. When you clone a list or a map, changes made to the......
This concise and code-focused article shows you 2 different ways to find the power of a given number in Dart. Using the pow() method The pow() method from the math library (a built-in library of Dart) can be used for......