Dart

This concise article shows you how to convert a string or a number (integer or double) to a byte array (a list of bytes) in Dart (and Flutter as well). Converting a String into a Byte…

This practical shows you how to convert a number (integer) or a string to a hexadecimal value in Dart (and Flutter as well). Turn a Number into Hex Calling the toRadixString() method with a radix of…

Binary is made up of 0s and 1s, arranged in a sequence, and can be of any length. This quick article will show you how to convert a given string into binary in Dart (and Flutter…

ASCII stands for American Standard Code for Information Interchange, is a character encoding standard that uses a 7-bit binary code to represent 128 possible characters, including letters, digits, punctuation marks, and control codes. For example, the…

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…

In Dart (and Flutter as well), you can replace one or multiple substrings in a parent string by using the following built-in methods: You can remove substrings from a string by replacing them with empty strings…

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…

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)…

In Dart (and Flutter), you can add or subtract a duration (days, hours, etc.) to or from a DateTime object by using the add() and subtract() methods, respectively. Here’re some real-world use cases of doing this:…

In Dart, you can extract useful information from a given URL string by following the steps below: 1. Construct a Uri object from your URL string: 2. Now, you can get what you want through various…

This practical, succinct article walks you through two examples of calculating the average of numerical data in a given list. The first example works with a simple list that contains only numbers, while the second one…