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What exactly is Type Coercion in Javascript?

... Type coercion means that when the operands of an operator are different types, one of them will be converted to an "equivalent" value of the other operand's type. For instance, if you do: boolean == integer the boolean operand will be converted to an integer: ...
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What does gcc's ffast-math actually do?

I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would chan...
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Why does GCC generate such radically different assembly for nearly the same C code?

...I've managed to see how GCC optimizes the first case. Before we can understand why they are so different, first we must understand how GCC optimizes fast_trunc_one(). Believe it or not, fast_trunc_one() is being optimized to this: int fast_trunc_one(int i) { int mantissa, exponent; mantissa...
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In Java, what is the best way to determine the size of an object?

...f data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way to find out the size of that object programmatically? Is there a reference that defines how large primitive types and object reference...
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How to prompt for user input and read command-line arguments [closed]

How do I have a Python script that a) can accept user input and how do I make it b) read in arguments if run from the command line? ...
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Website screenshots

...eally want to only use php, I suggest you HTMLTOPS, which renders the page and outputs it in a ps file (ghostscript), then, convert it in a .jpg, .png, .pdf.. can be little slower with complex pages (and don't support all the CSS). Else, you can use wkhtmltopdf to output a html page in pdf, jpg, wh...
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Disable Interpolation when Scaling a

...ords, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concerned with how the browser draws lines; I care about how the browser renders the canvas element itself when it is scaled up. ...
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Java 8 stream reverse order

... .map(i -> to - i + from - 1); } This avoids boxing and sorting. For the general question of how to reverse a stream of any type, I don't know of there's a "proper" way. There are a couple ways I can think of. Both end up storing the stream elements. I don't know of a way to ...
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Biggest differences of Thrift vs Protocol Buffers?

What are the biggest pros and cons of Apache Thrift vs Google's Protocol Buffers ? 15 Answers ...
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Difference between UTF-8 and UTF-16?

Difference between UTF-8 and UTF-16? Why do we need these? 5 Answers 5 ...