Flutter NumberPicker Tutorial and example.

In this tutorial we explore how we can pick numbers, both decimals and integers using an awesome library called numberpicker. We have several ways of doing this. First we can use numberpicker just within our page directly. The user can scroll through the numbers and pick. As the user scrolls through, the current scroll value is automatically set to a button.

Then the second way is to use a number picker dialog. We have two types of dialogs: integer number picker dialog and decimal number picker dialog. In the integer picker dialog a user can select whole numbers only. In the decimal picker dialog a user can select decimal numbers.


VB.NET Graphics Example.

In this VB.NET piece we want to look at Graphics class and how to use it to achieve some common things we wouldn't normally achieve with simple windows forms alone. For example we want to see how we can load an image and draw some string into it. Something like this normally you do with a powerful image editor. However we want to see how to do this programmatically.


JavaFX ComboBox Tutorial and Example

In this tutorial we want to explore the JavaFX ComboBox. How to populate it with data then handle the selected item change events thus showing the selected item in an alert dialog.

C# DataGridViewCheckBoxColumn Tutorial.

How to populate a Datagridview with checkboxes with data from a dictionary. We also mark those checkboxes as readonly meaning the user cannot modify them at runtime.


Android Handler and ProgressBar Update Tutorial and Examples.

In this tutorial we want to see how to post updates from a background thread to the user interface thread using a Handler.

We click a button and simulate doing heavy work in the background. Meanwhile we are able to update our progressbar as the work continues.


An Executor is an object that executes submitted Runnable tasks.


VB.NET Readonly DataGridViewCheckBoxColumn Tutorial and Example

This is a VB.NET tutorial. We see how to populate a datagridviewview with dictionary containing strings and boolean values. The thing is that our boolean values should not be editable at runtime. Instead when the user clicks any cell in the datagridview, he should get the value shown in messagebox and not be able to edit it.


An Executor is an object that executes submitted Runnable tasks.

In this piece we want to look at executor with regards to Android Development.


Flutter LoginValidator Tutorial.

How to perform client-side login form authentication using flutter with LoginValidator library.


C# Flurl HTTP with ListBox Example and Tutorial.

In this piece we see how to download JSON data from online asynchronously via Async Await and then populate a ListBox. We will be using the Flurl HTTP library.