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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
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216
sqrtss gives a correctly rounded result. rsqrtss gives an approximation to the reciprocal, ac...
List all developers on a project in Git
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answered Mar 7 '12 at 7:35
Pedro NascimentoPedro Nascimento
10.6k44 gold badges2929 silver badges6262 bronze badges
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Where do I find the definition of size_t?
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123
From Wikipedia
The stdlib.h and stddef.h header files define a datatype called size_t1 which i...
Displaying the build date
... - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
25 Answers
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What is an idiomatic way of representing enums in Go?
... to 0
c0 = iota // c0 == 0
c1 = iota // c1 == 1
c2 = iota // c2 == 2
)
const (
a = 1 << iota // a == 1 (iota has been reset)
b = 1 << iota // b == 2
c = 1 << iota // c == 4
)
const (
u = iota * 42 // u == 0 ...
Visual Studio debugger - Displaying integer values in Hex
I'm using Visual Studio 2008 and I have just noticed that the debugger is displaying integer values as Hex when I hover over variables and also in the immediate window. I guess I must have hit a shortcut key accidently or something.
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Number of elements in a javascript object
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jun 5 '09 at 16:35
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Why is creating a Thread said to be expensive?
...eports a thread creation rate of ~4000 per second on a Sun Java 1.4.1 on a 2002 vintage dual processor Xeon running 2002 vintage Linux. A more modern platform will give better numbers ... and I can't comment on the methodology ... but at least it gives a ballpark for how expensive thread creation i...
Hash Map in Python
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253
Python dictionary is a built-in type that supports key-value pairs.
streetno = {"1": "Sachin ...