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Why does 2 == [2] in JavaScript?
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It is because of the implicit type conversion of == operator.
[2] is converted to Number is 2 when compared with a Number. Try the unary + operator on [2].
> +[2]
2
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
... // gives initial guess y0
x = *(float*)&i; // convert bits back to float
x = x * (1.5f - xhalf * x * x); // Newton step, repeating increases accuracy
return x;
}
In spite of this, his initial attempt a mathematically 'superior' version of id's sqrt (which came ...
How to convert decimal to hexadecimal in JavaScript
How do you convert decimal values to their hexadecimal equivalent in JavaScript?
27 Answers
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Understanding the main method of python [duplicate]
...functionality which is only useful in the context of other components of a system then one can still use __name__ == "__main__" to isolate a block of code which calls a suite of unit tests that apply to this module.
(If you're not going to have any such functionality nor unit tests than it's best t...
How to convert string to boolean php
How can I convert string to boolean ?
20 Answers
20
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Filtering Pandas DataFrames on dates
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pandas will convert any "datetime" string into a datetime object.. so it's correct
– janscas
Mar 16 '18 at 10:04
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Difference between Divide and Conquer Algo and Dynamic Programming
...tead of recalculating it.
By the way, dynamic programming doesn't mean to convert a recursive code into an iterative code. You can also save the subresults into a variable if you want a recursive code. In this case the technique is called memoization. For our example it looks like this:
// declare...
Fastest method of screen capturing on Windows
...e source and destination device contexts do not match, the BitBlt function converts the source color format to match the destination format.
– user244343
Mar 4 '11 at 2:08
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All combinations of a list of lists
...d by itertools and a reverse version (e.g. create a list, reverse() it and convert back to tuple). Best ask a new question.
– Joachim Wagner
Feb 26 at 11:06
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How default .equals and .hashCode will work for my classes?
... distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.)
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