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Why is a round-trip conversion via a string not safe for a double?
... *dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your original number -- so it compares equal, and hence ...
See all breakpoints in Visual Studio 2010+
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edited Nov 25 '12 at 10:34
Echilon
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How can I make the tabs work normally on Xcode 4?
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answered Mar 25 '11 at 6:23
DanielDaniel
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How to mount a host directory in a Docker container
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Python Linked List
...erhead due to copying.
– saolof
Jun 25 '17 at 12:08
3
That rosettacode link was a real world exam...
How to log request and response body with Retrofit-Android?
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answered Oct 25 '15 at 10:16
Dhaval JivaniDhaval Jivani
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Git push rejected after feature branch rebase
...Branches and Rebasing
– RajKon
Jul 25 '16 at 21:32
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What's wrong with using == to compare floats in Java?
...it out again, you may get a reported value of something like "6.099999904632568359375". This is fundamental to the way floats work; therefore, you don't want to compare them using equality, but rather comparison within a range, that is, if the diff of the float to the number you want to compare it ...
What is the difference between a “line feed” and a “carriage return”?
...like \n\r?
– Delfino
Apr 7 '15 at 3:25
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@Delfino not really. On mechanical printers, it made se...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ing a much smaller percentage of the total. He suggests it could be 99.5:0.25:0.25.
– Nobu
Dec 22 '17 at 20:41
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