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The Rise of Cryptocurrency

  • 18th September 2014
  • Vasilis Vontikakis
  • finance

The first cryptocurrency named bitcoin, appeared in 2009. The original creator was Satoshi Nakamoto. But first let's take a brief history of the currency. The reason that a currency exists is that it acts as a medium of exchange and store value. If there are two counterparties and want to make an exchange of a good or service we need a currency to act as measure and transfer of value. This way a transaction can be executed directly between the parties. Most notables are the exchange of cash (banknotes, coins), or transactions through the financial banking system.

If the ...

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Composer PHP Dependency Manager

  • 19th July 2014
  • Geoge Karavatsos
  • webtech

Writing something in PHP was already hard. There were always compatibility issues with older server versions that did not support your shiny new application. Lately with all the great frameworks that are out there, another problem appeared: how could you use components that rely on other libraries and do that for each of your projects efficiently? Notice the keyword here, efficiently.

Composer is a dependency manager for your projects. What it does is it creates the dependencies and manages all of the required project libraries, ...

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Traits in PHP 5.4

  • 27th July 2013
  • vontikakis
  • webtech

Η php είναι η πιο διαδεδομένη γλώσσα στην ανάπτυξη εφαρμογών web, όσο περνάει ο καιρός προσθέτονται καινούργια χαρακτηριστικά τα οποία τη κάνουν καλύτερη στο κομμάτι του OOP, στην έκδοση PHP 5.4 προστέθηκαν τα traits. Τα traits είναι κλάσεις από τις οποίες δεν μπορούν να δημιουργηθουν στιγμιότυπα (objects) αλλά βοηθούν στην εξάλειψη του ...

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