Dart and FlutterFlutter Dropdown Button hint text and initial value
Dropdown is one of the common ways to let a user select an option from a list. Let's learn how to implement it in Flutte...
Dart and Flutter
Dart and FlutterFlutter Alert/Simple Dialog examples
When we want to tell a message to a user, showing the message on a dialog is one of the ways. Flutter offers the followi...
Dart and FlutterDart/Flutter Constructors tutorial with examples
Constructor is one of the basics to implement dart class. There are some features that I didn't know before writing this...
JavaScript/TypeScriptTypeScript Hack the original behavior
Dependency doesn't support what you want? Then, hacking the code might be the solution. This article tries to replace th...
Dart and FlutterFlutter Riverpod Handling Future and dispose in StateNotifier
It took me a while to find out how to implement a Provider that uses FutureProvider in it and disposes of a variable cre...
Dart and FlutterFlutter Dynamic TextField creation with Riverpod
I have posted the following article before. The code uses neither Riverpod nor Provider. It is implemented by using Stat...
Dart and FlutterFlutter 4 ways to hide persistentFooterButtons
Scaffold Widget has persistentFooterButtons property. How can we implement it if we want to show and hide it depending o...
JavaScript/TypeScriptMake an Event Listener test simpler by Promise
A unit test should test only one thing but there might be some cases that a test checks multiple things because those va...
JavaScript/TypeScriptOR Operator causes a misunderstanding
OR operator "||" is useful to set a default value if the target variable is not set but it is easy to make a mistake eve...
Dart and FlutterFlutter Riverpod and ListView
I didn't know how to use a Riverpod provider for ListView, so I looked into it and implemented it. If you are looking fo...
