Articles

70 Years Of “Hello, World!” With 50 Programming Languages

Time travel in the world of computer programming. The “Hello, World!” program is a classic when you start with a programming language. Thus, all programmers have at least completed a “Hello, World!” program during their careers. Programmers generally using more than one programming language during their careers, most of them have even realized more than a dozen at least. There…
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Python

Creating a Flipping Bits Game in Python With Tkinter

After having proposed a tutorial showing you how to develop a program to create a Sitemap generator in Python, I continue my comeback to the Python language with the creation of a little game. The goal here is to show you how to use the Tkinter GUI library that comes standard with Python. The game I have chosen is not…
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Java

Developing a 15 Puzzle — Game of Fifteen in Java

The 15 Puzzle, also called Game of Fifteen, is a sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. To solve the puzzle, the players must place the tiles in order by making sliding moves that use the empty space. In that tutorial, you are going to develop a 15 Puzzle…
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Tutorials

Building A Bitcoin-Like Blockchain In JavaScript

Coding your own Blockchain will help you to understand the internals of Bitcoin. The Blockchain is a real technological revolution that promises to profoundly change many industries in the future. In cryptocurrencies, Bitcoin is the first successful implementation of the Blockchain. This implementation is even a phenomenal success that has made Bitcoin the most successful asset of the decade. The…
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Android

Create a NFC Reader Application for Android

NFC (Near Field Communication) is an international standard for contact less exchange of data in very small range with a maximum distance of 10 centimeters between 2 devices. The specifications of NFC are made by the NFC Forum, a consortium of 170 companies and members including Mastercard, Nokia, Samsung or still Samsung. The Android SDK offers a support to read…
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Android

Develop a Password Strength Calculator Application for Android

Security has become a major IT challenge. At the heart of this security is the need to force application users to define truly secure passwords. Within an Android application, you may have to offer your users the creation of an account with a login/password. To ensure that they define a sufficiently secure password, I suggest you discover how to develop…
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Articles

Create a Bitcoin Price Index Watcher in HTML5

Everyone is talking about Bitcoin. The Bitcoin madness and the Blockchain revolution seem to be taking over the world. So, why not learning how to consume REST Web Services in HTML5 by creating a Bitcoin Price Index Watcher? In that tutorial, you are going to learn how to make AJAX requests in HTML5 by consuming a Web Service provided by…
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App Reviews

Everything You Need to Know About Solitaire: Layout, Basic Rules, Helpful Tips

You probably know Solitaire as one of the standard classic games presented in Windows operating systems since the 90s. While the earliest records of this game played with physical cards appeared in the 1700s in Northern Europe and Scandinavia, Solitaire card games have become extremely popular with advancements of computers. You might have tried it at least once. But if…
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