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How to index into a dictionary?
...te that these methods create a list of all keys, values or items in Python 2.x. So if you need them more then once, store the list in a variable to improve performance.)
If you do care about the order of the entries, starting with Python 2.7 you can use collections.OrderedDict. Or use a list of p...
Deleting elements from std::set while iterating
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This is implementation dependent:
Standard 23.1.2.8:
The insert members shall not affect the validity of iterators and references to the container, and the erase members shall invalidate only iterators and references to the erased elements.
Maybe you could try t...
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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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...
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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Scala 2.8 breakOut
In Scala 2.8 , there is an object in scala.collection.package.scala :
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
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Update:
You can now just run the following command from your terminal:
xcode-select --install...