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All falsey values in JavaScript

What are the values in JavaScript that are 'falsey' , meaning that they evaluate as false in expressions like if(value) , value ? and !value ? ...
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How to find the kth smallest element in the union of two sorted arrays?

This is a homework question. They say it takes O(logN + logM) where N and M are the arrays lengths. 17 Answers ...
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Is it possible to change only the alpha of a rgba background colour on hover?

I have a set of <a> tags with differing rgba background colours but the same alpha. Is it possible to write a single css style that will change only the opacity of the rgba attribute? ...
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Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=3

I am getting the Error 44 Answers 44 ...
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How to initialize a two-dimensional array in Python?

I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this: ...
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How to get line count of a large file cheaply in Python?

I need to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise? ...
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How do I get indices of N maximum values in a NumPy array?

NumPy proposes a way to get the index of the maximum value of an array via np.argmax . 16 Answers ...
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How can I scale the content of an iframe?

How can I scale the content of an iframe (in my example it is an HTML page, and is not a popup) in a page of my web site? 1...
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Regular expression for floating point numbers

I have a task to match floating point numbers. I have written the following regular expression for it: 12 Answers ...
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How do you rotate a two dimensional array?

Inspired by Raymond Chen's post , say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff. ...