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How to access the first property of a Javascript object?

... = { first: 'someVal' }; obj[Object.keys(obj)[0]]; //returns 'someVal' Using this you can access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stacko...
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Where are iOS simulator screenshots stored?

I have saved some screenshots in the iPhone Simulator running iOS 5, but I can't find them. 14 Answers ...
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C: What is the difference between ++i and i++?

In C, what is the difference between using ++i and i++ , and which should be used in the incrementation block of a for loop? ...
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How dangerous is it to compare floating point values?

I know UIKit uses CGFloat because of the resolution independent coordinate system. 11 Answers ...
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How to articulate the difference between asynchronous and parallel programming?

Many platforms promote asynchrony and parallelism as means for improving responsiveness. I understand the difference generally, but often find it difficult to articulate in my own mind, as well as for others. ...
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junit & java : testing non-public methods [duplicate]

JUnit will only test those methods in my class that are public. How do I do junit testing on the ones that are not (i.e., private, protected)? ...
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Passing a method as a parameter in Ruby

I am trying to mess around a little bit with Ruby. Therefor I try to implement the algorithms (given in Python) from the book "Programming Collective Intelligence" Ruby. ...
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Method Syntax in Objective-C

Can someone explain this method declaration syntax for me? In this function, the number of rows of a UIPickerView (slot machine UI on the iPhone) is being returned. From my understanding, the Method is called ' pickerView ', and returns an NSInteger. ...
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Should I use SVN or Git? [closed]

I am starting a new distributed project. Should I use SVN or Git, and why? 21 Answers ...
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Enabling HTTPS on express.js

I'm trying to get HTTPS working on express.js for node, and I can't figure it out. 7 Answers ...