recent posts
Posted by Derek Banas on May 16, 2013
Welcome to part 7 of my Android Development Tutorial! Today I will continue what I started in the last Android tutorial.
I cover how to do all of the following: Pass values between activities : Save key value pairs : Use OnClickListeners : Retrieve saved...
Posted by Derek Banas on May 14, 2013
Welcome to part 6 of my Android Development Tutorial! Over the next few videos I will cover a tremendous amount of information. You can get the whole app right now if you can’t wait here Android Stock Quote App.
Here are just a few of...
Posted by Derek Banas on May 4, 2013
Welcome to part 5 of my Android Development Tutorial! In this tutorial, I completely finish the tip app that I have been making. If you want to learn about the Android event listener you are in the right place.
I will cover how to both get...
Posted by Derek Banas on May 2, 2013
Welcome to part 4 of my Android Development Tutorial. In the last part, I showed you how to put together an Android User Interface. This time I will add to that app in a big way!
Over the course of this tutorial and the next I will cover...
Posted by Derek Banas on Apr 28, 2013
In this part of my Android Development Tutorial, I will build an Android user interface.
I cover how to do numerous things: How to use the Android Visual Layout Editor, How to edit the GUI layout by editing the XML, How to use TextView,...
Posted by Derek Banas on Apr 23, 2013
In this tutorial, I decided to cover all of the topics I would need, so that in every tutorial that follows I can just make apps. Don’t try to memorize everything! Here I’m just covering a bunch of things you need to be familiar...
Posted by Derek Banas on Apr 21, 2013
In a previous tutorial, I showed you how to Install the Android Development Tools. In this first part of my Android Development Tutorial I’m going to describe almost every file and folder used to develop an Android app.
I’ll walk...
Posted by Derek Banas on Apr 13, 2013
In my last tutorial, I showed you how to install the Android development tools. In this tutorial, I’ll show you how to solve many of the Android SDK Problems you have recently sent me.
We’ll look at: How to speed up the emulator....
Posted by Derek Banas on Apr 12, 2013
Welcome to my tutorial on how to Install Android Development Tools. I received many requests on how to do this and it is a great topic to cover right before I start my Android Development Tutorial.
I’ll cover how to install Googles ADT...
Posted by Derek Banas on Apr 10, 2013
Welcome to my Java algorithm video tutorial. Here I provide 18 videos on not only Java algorithms, but I also cover Data Structures in depth.
We cover numerous search and sorting algorithms. We also look at stacks, queues, lists, recursion,...
Posted by Derek Banas on Apr 8, 2013
Welcome to my Java Heap Tutorial. In previous tutorials, I covered how to print out trees in Java. You may want to look at that before continuing here, but it isn’t required.
A Heap is kind of like a tree, but it is normally implemented...
Posted by Derek Banas on Apr 6, 2013
In my previous tutorial Solving Programming Problems, I walked you threw the process of solving a generic programming problem. We made a method that printed out a tree structure in the console.
In this tutorial, I’ll walk through the...
Posted by Derek Banas on Apr 4, 2013
To finish off my Java Algorithm tutorial, I thought it would be interesting to cover solving programming problems in general. So, in this tutorial I’ll answer the question I’ve been getting, which is how to print a tree data...
Posted by Derek Banas on Mar 30, 2013
Welcome to my 2nd video on Binary Trees in Java. If you haven’t seen part 1, definitely watch it first or this will be confusing binary tree in Java.
In this part of the tutorial, I will take you step-by-step through the process of...
Posted by Derek Banas on Mar 28, 2013
Welcome to my tutorial on the Binary Tree in Java. On average a tree is more efficient then other data structures if you need to perform many different types of operations.
In this tutorial I’ll show you what a binary tree is, and how to...
Posted by Derek Banas on Mar 25, 2013
Welcome to the 3rd part of my Java Hash Tables Tutorial. If you missed the previous parts you should watch them Java Hash Table & Java Hash Tables 2.
I will review linked lists because I’ve received many requests on them. I’ll...
Posted by Derek Banas on Mar 22, 2013
Welcome to the 2nd part of my Java Hash Tables tutorial. If you missed part 1, definitely watch it first here Java Hash Table.
In this tutorial, I will cover all of the following and more: 1. Why We Use Prime sized hash tables 2. How to...
Posted by Derek Banas on Mar 20, 2013
Welcome to my Java Hash Table tutorial. A Hash Table is a data structure offers fast insertion and searching capabilities. The negative is that they are limited in size because they are based on arrays. They are also hard to order.
People get...
Posted by Derek Banas on Mar 18, 2013
Welcome to my Big O Notations tutorial. Big O notations are used to measure how well a computer algorithm scales as the amount of data involved increases. It isn’t however always a measure of speed as you’ll see.
This is a rough...
Posted by Derek Banas on Mar 16, 2013
Welcome to my Java Quick Sort tutorial! In most situations the Quick Sort is the fastest sorting algorithm.
In essence, the quick sort works by partitioning arrays so that the smaller numbers are on the left and the larger are on the right....