Dart

list.toSet method doesn't work as expected for an object list to get unique object list? Then, let's add index parameter to the callback of list.where so that we can remove duplicates by key-values.

There are some cases in which a string needs to be converted to int/double. How can we do it in Dart? We can use the...

Dart language offer Random class to generate a random result of boolean, int, and double value. The usage is very simpl...

When calling an API via HTTP, the response is generally JSON format. To handle the response, we need to know how to par...

How to show minimum digit after decimal point If a value data type is double and printed, it includes a decimal poin...

DateTime is very common in programming languages. We should know the basics to handle the date-time and show it correct...

This article explains how to compare two objects in Dart. How can we implement if we want to do deep equal? What is the good way to override hashCode and == operator?

Dart supports only the simplest case on enum and its index always starts from 0. However, we often want to assign value...

I wrote simple code to understand class initialization order. Dart offers late keyword to check null at runtime instead...