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Interfaces in PHP explained - Why interfaces exist

Daniel Gheorghe Difficulty: 35 / 50

When I first used interfaces I was confused about what their role should be. "Why not define an abstract class and then extend it", I said to myself. A little digging showed me the practical application of interfaces in real life code and this is what I will share with you in today's tutorial.

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Head to head comparison CSS vs LESS - Is it really worth it ?

Daniel Gheorghe Difficulty: 30 / 50

Sass, Scss, Stylus and especially Less are the four most used CSS preprocessors currently on the market. If you haven't used one before you should know that they are code parsers which interpret specific syntax to generate CSS files. Their role is to make CSS writing more logic and less repetitive.

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A 3 step tutorial on how to install HHVM with Apache FastCGI on Ubuntu 13.10

Daniel Gheorghe Difficulty: 50 / 50

Today we're going to learn how to install Facebook's HHVM (HIP HOP VIRTUAL MACHINE) and make it work together with the Faster CGI module in Apache. Basically what is going to happen is Apache will be handling all the static content and we will let HHVM do what it does best - handle PHP or hack!

For those of you who don't know this yet, HHVM is a super fast way of interpreting PHP code. What HHVM does is it compiles PHP code into a byte code language, very close to native code and stores it into an sqlite database file. This will make your website super fast!

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The off-canvas navigation transitions from Codrops.com rewritten with jQuery

Daniel Gheorghe Difficulty: 50 / 50

A few days ago a client asked me to reproduce the off canvas navigation and 3D Rotate Out effect shown here on their brand new website. Of course, I couldn't just copy and paste the code from the guys at Codrops because of the specifics of the project so I decided to rewrite it using jQuery and I am now sharing it with you guys.

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Design a cool preloading spinner without using images or javascript

Daniel Gheorghe Difficulty: 30 / 50

Because IE 6, 7, 8 and even 9 have become bad memories instead of daily nightmares, present day web developers are no longer shy in implementing new technologies for their customers.

Lately I have decided to completely discard preloading GIFs and even JavaScript animations that have the same effect. What I will show you in this css tutorial is a way of displaying preloaders to the user with HTML and CSS only.

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