Python via Trinket (2) – Having fun with Spirals

This is part 2 of the Python via Trinket series. Next, let’s do something a bit more complex.  Let’s draw some spirals.  Creating patterns with spirals are very interesting and relaxing to watch.  There are many way to do this, I created 2 reusable functions so the source code...

Python via Trinket (1) – Having fun with shapes !

Have you try Trinket yet? It is an education site that provides lots of interactive education opportunities which I recently stumble over.  I find it fascinating to evaluate various online education sites that provide innovative ideas on how to do interactive teaching, both online or in a classroom.  The...

Tower of Hanoi – a study of recursive function

The Tower of Hanoi is a classic project assignment that most student of Computer Science would encounter in their academic classes. It is usually used to illustrate the power of recursive logic in a program, of cause that it is also a great puzzle to give some good exercise to...

SQL Joins 101

SQL

For some of the students, the idea of database tables and different type of joins can be quite confusing to them.   But it is really not that complex, if you understand the core idea behind it. Here are simple explanation of the different type of SQL joins.  But...

Android Studio 2.0 Preview

Here is a preview of the Android Studio 2.0,  seems to be making lots of progress toward the right direction. Time to download the preview version to test it out.

Remember MS-DOS?

I’m always amazed that there are still so many occasion, where one needs to drop down to the simple black CMD window to do something. Why? sometime it is just too difficult to find it in the unorganized Windows user interface, and other time there is just no easy...