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# IT Array

The first step to the computer engineering starts here

## QED – the Strange Theory of Light and Matter

I would start with the word "RECOMMENDED". A few days ago, I finished reading lectures by Professor Richard Feynman "QED: A Strange Light Theory and Substance". What is that QED is quantum electrodynamics. The main thing - do not be afraid of these words. In fact,...

## Splitting and execution of JUnit test in multiple threads

In this article, I will describe and present some example of how it is possible to run JUnit or TestNG test in multiple threads. Let's think about the situation that, that there is the test, which needs to validate 10 locales in 10 languages. Locales and languages are...

## The Fibonacci sequence number of “1 000 000”?

Most of the people know or at least have heard about the Fibonacci sequence numbers. To be short - Fibonacci sequence numbers is a sum of the previous both numbers. For example, the 1st and 2nd numbers are 1 and 1. So, the 3rd = 2. And 4th = 2 + 1 = 3. And 5th = 3 + 2...

## MobiCastle — is it the breakthrough in the mobile applications for travels?

During the last few years, the tones of the mobile applications for travelling have appeared on the mobile market. Their goals were to simplify the ways of travelling, find the best places to stay and to eat. But have they asked the users what they are really...

## This is why the engineers should learn the algorithms

In this article, I will try to explain why it's really important to learn the basics algorithms. The examples will be based on the sorting algorithms. I suppose that everybody heard about the definition "Big-O". If you an engineer and you still didn't hear about it -...

Hello friends, I work as a software test engineer already more than 6 years. And during these 5 years, I understood one thing - if You want to start to learn something new from the beginning, then You will Google for it. And as a result - You will find a lot of...