大约有 45,000 项符合查询结果（耗时：0.0589秒） [XML]
Deleting elements from std::set while iterating
...
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...
Get a specific bit from byte
...
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 do I check that multiple keys are in a dict in a single pass?
...
answered Aug 17 '09 at 2:18
hughdbrownhughdbrown
40.5k2020 gold badges8080 silver badges101101 bronze badges
...
How can I create a UIColor from a hex string?
...
1
2
Next
724
...
What does the [Flags] Enum Attribute mean in C#?
...
12 Answers
12
Active
...
What's the simplest way to test whether a number is a power of 2 in C++?
...
|
edited Dec 2 '15 at 3:59
jbranchaud
5,29977 gold badges3939 silver badges6969 bronze badges
...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...
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 :
4 Answers
4
...