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How do I check that multiple keys are in a dict in a single pass?
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answered Aug 17 '09 at 2:18
hughdbrownhughdbrown
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Get a specific bit from byte
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Easy. Use a bitwise AND to compare your number with the value 2^bitNumber, which can be cheaply calculated by bit-shifting.
//your black magic
var bit = (b & (1 << bitNumber-1)) != 0;
EDIT: To add a little more detail because there are a lot of similar answers with no expla...
How can I create a UIColor from a hex string?
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What does the [Flags] Enum Attribute mean in C#?
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12 Answers
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What's the simplest way to test whether a number is a power of 2 in C++?
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edited Dec 2 '15 at 3:59
jbranchaud
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
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423
Update:
You can now just run the following command from your terminal:
xcode-select --install...
Math.random() explanation
... return (int)(Math.random() * range) + min;
}
Output of randomWithRange(2, 5) 10 times:
5
2
3
3
2
4
4
4
5
4
The bounds are inclusive, ie [2,5], and min must be less than max in the above example.
EDIT: If someone was going to try and be stupid and reverse min and max, you could change the cod...
Scala 2.8 breakOut
In Scala 2.8 , there is an object in scala.collection.package.scala :
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Git flow release branches and tags - with or without “v” prefix
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Feb 7 '14 at 23:52
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