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Is volatile expensive?
...down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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Using print statements only to debug
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Matt JoinerMatt Joiner
94.2k8585 gold badges321321 silver badges483483 bronze badges
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Android set height and width of Custom view programmatically
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answered Feb 18 '11 at 14:15
DalmasDalmas
24.9k99 gold badges6060 silver badges7373 bronze badges
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Gradient of n colors ranging from color 1 and color 2
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181
colorRampPalette could be your friend here:
colfunc <- colorRampPalette(c("black", "white")...
Reload the path in PowerShell
...t shells opened.
– Frank Fu
Aug 2 '18 at 1:47
The problem with chocolatery is you can't use it in enterprises, it coul...
Why does Maven warn me about encoding?
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18
When you run the goal archetype:create-from-project, Maven generates a POM file for building the...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
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edited Mar 18 '11 at 13:49
Community♦
111 silver badge
answered May 20 '09 at 23:55
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How to detect modifier key states in WPF?
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258
Use class Keyboard. Using Keyboard.IsKeyDown you can check if Control, Shift, Alt is down now.
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How do I write a “tab” in Python?
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158
This is the code:
f = open(filename, 'w')
f.write("hello\talex")
The \t inside the string is ...
Mod of negative number is melting my brain
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287
I always use my own mod function, defined as
int mod(int x, int m) {
return (x%m + m)%m;
}...