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Why does Math.round(0.49999999999999994) return 1?
...n Java 6 (and presumably earlier), round(x) is implemented as floor(x+0.5).1 This is a specification bug, for precisely this one pathological case.2 Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(do...
What's the simplest way to test whether a number is a power of 2 in C++?
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Why is GHC so large/big?
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It's a bit silly really. Every library that comes with GHC is provided in no less than 4 flav...
Why does (1 in [1,0] == True) evaluate to False?
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What is the difference between map and flatMap and a good use case for each?
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jQuery - setting the selected value of a select control via its text description
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Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g....
Get top n records for each group of grouped results
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How do I get both STDOUT and STDERR to go to the terminal and a log file?
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Use "tee" to redirect to a file and the screen. Depending on the shell you use, you first hav...
How can I remove a flag in C?
... the flag you want to unset. A Bitwise NOT inverts every bit (i.e. 0 => 1, 1 => 0).
flags = flags & ~MASK; or flags &= ~MASK;.
Long Answer
ENABLE_WALK = 0 // 00000000
ENABLE_RUN = 1 // 00000001
ENABLE_SHOOT = 2 // 00000010
ENABLE_SHOOTRUN = 3 // 00000011
value = ENABL...