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Why can't decimal numbers be represented exactly in binary?

...e the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation. ...
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How do I get the real .height() of a overflow: hidden or overflow: scroll div?

...ave a question regarding how to get a div height. I'm aware of .height() and innerHeight() , but none of them does the job for me in this case. The thing is that in this case I have a div that is overflown width a overflow: scroll and the div has a fixed height. ...
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What is the order of precedence for CSS?

...rying to figure out why one of my css classes seems to override the other (and not the other way around) 8 Answers ...
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How to check for file lock? [duplicate]

... No, unfortunately, and if you think about it, that information would be worthless anyway since the file could become locked the very next second (read: short timespan). Why specifically do you need to know if the file is locked anyway? Knowing...
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Using numpy to build an array of all combinations of two arrays

... noted that meshgrid only works for smaller range sets, I have a large one and I get error: ValueError: maximum supported dimension for an ndarray is 32, found 69 – mikkom Oct 20 '19 at 6:54 ...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account ...
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Cost of exception handlers in Python

...nt division or modulo by zero So, as expected, not having any exception handler is slightly faster (but blows up in your face when the exception happens), and try/except is faster than an explicit if as long as the condition is not met. But it's all within the same order of magnitude and unlikel...
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How to define a function in ghci across multiple lines?

... For guards (like your example), you can just put them all on one line and it works (guards do not care about spacing) let abs n | n >= 0 = n | otherwise = -n If you wanted to write your function with multiple definitions that pattern match on the arguments, like this: fact 0 = 1 fact n =...
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NUnit isn't running Visual Studio 2010 code

... I've downloaded the NUnit 2.5 source and opened the VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution withou...
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What does .SD stand for in data.table in R

...ks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it? ...