appuntitecnologici

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While loop - Structure - Example - Do...while loop.

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Ternary operator - A simple example

The short form (ternary operator) and the usual if else form

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Operators - Prefix and Postfix

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Inc., October 1981: How Steve Jobs changed business forever with the innovation of the personal computer

Read the article: http://www.inc.com/magazine/19811001/2033.html

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Would you explain, in simple terms, exactly what object-oriented software is? Objects are like people. They're living, breathing things that have knowledge inside them about how to do things and have memory inside them so they can remember things. And rather than interacting with them at a very low level, you interact with them at a very high level of abstraction, like we're doing right here. Here's an example: If I'm your laundry object, you can give me your dirty clothes and send me a message that says, "Can you get my clothes laundered, please." I happen to know where the best laundry place in San Francisco is. And I speak English, and I have dollars in my pockets. So I go out and hail a taxicab and tell the driver to take me to this place in San Francisco. I go get your clothes laundered, I jump back in the cab, I get back here. I give you your clean clothes and say, "Here are your clean clothes." You have no idea how I did that. You have no knowledge of the laundry place. Maybe you speak French, and you can't even hail a taxi. You can't pay for one, you don't have dollars in your pocket. Yet I knew how to do all of that. And you didn't have to know any of it. All that complexity was hidden inside of me, and we were able to interact at a very high level of abstraction. That's what objects are. They encapsulate complexity, and the interfaces to that complexity are high level.

Steve Jobs | RollingStone interview

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1977 Byte magazine advertisement for the original Apple II

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Program or be programmed

Douglas Rushkoff

Excerpt from: Nikhil Abraham - Coding For Dummies

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MVC - Outlets and Actions

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FURPS/FURPS+

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Object Oriented Programming

Class vs Object

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The problem is, in hardware you can't build a computer that's twice as good as anyone else's anymore. Too many people know how to do it. You're lucky if you can do one that's one and a third times better or one and a half times better. And then it's only six months before everybody else catches up. But you can do it in software.

Steve Jobs

http://www.rollingstone.com/culture/news/steve-jobs-in-1994-the-rolling-stone-interview-20110117

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The Early Years!

Storia informatica ma di quella vera: dal 1800.....

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App Links. Con questo video viene presentato in modo semplice questo sistema che per permettere il collegamento tra un'app e l'altra.

Rivoluzionario!

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Link anywhere on mobile

Una novità di poche ore fa. I vari SDK sono stati rilasciati da Facebook in forma Open Source. Prepariamoci ad una nuova rivoluzione.

Per il momento il link, prossimamente ci daremo un'occhiata più da vicino.