String splitting in Dart is the process of dividing a single string into smaller parts or substrings based on a specific delimiter or condition. The split() method in Dart allows you to easily break a string into multiple elements, typically returning them as a list of substrings. Think of it like cutting a long sentence […]
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When working with collections in Dart, you might often find yourself needing to merge or copy multiple lists, sets, or maps. Traditionally, this can require a fair bit of manual iteration and code. However, Dart provides a simple and elegant solution to this problem with the spread operator (…). The spread operator allows you to
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In Dart, you can use the for keyword inside collections like Lists, Sets, and Maps to efficiently manipulate, transform, and filter data. This powerful feature allows you to generate new collections by applying rules and conditions to existing data, all within the same collection declaration. Think of it like going through a list of tasks
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In Dart, the collection if is a smart and simple way to add items to a list, set, or map only when a condition is true. Instead of writing extra if statements outside a collection, Dart lets you place conditions directly inside the collection itself. This makes your code shorter and easier to understand. Let’s
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In Dart, a late variable is one that you declare now but plan to fill in later. Instead of giving it a value right away, you’re saying, “I’ll set this up before I use it.” This is helpful when you want to delay the work of creating a value until the moment you actually need
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In Flutter, the Wrap widget is like a smart container that knows how to handle items when there’s not enough space. Imagine placing some buttons or tags in a row — if they don’t all fit, a regular Row will overflow and show an error. But with Wrap, Flutter will automatically move the extra items
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Radio buttons are a great way to allow users to choose only one option from a list of options. They are commonly used for single-choice selections, like picking a gender or a payment method. In this article, we’ll explore how to use radio buttons in Flutter, how to manage their selection, and how to customize
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Checkboxes are everywhere in apps — when you’re agreeing to terms, choosing your favorite items, or turning settings on or off. In Flutter, checkboxes are super easy to use and very customizable. In this article, we’ll explore how to create, manage, and customize checkboxes. We’ll also look at how to handle multiple checkboxes and even
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When building user interfaces in Flutter, sometimes we want our widgets to share space nicely. That’s where the Flexible widget comes in. It helps your widgets grow or shrink to fit the available space — but only if they need to. It gives layout freedom without forcing anything. In this article, we’ll explore what the
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When building user interfaces in Flutter, it’s common to need multiple widgets to share space equally or in a flexible way. That’s where the Expanded widget shines. In this article, we’ll explore what the Expanded widget does, how to use it, and how it behaves inside a Column or Row. We’ll also cover the flex
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