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Is std::vector so much slower than plain arrays?
...
UseVector completed in 4.412 seconds
UseVectorPushBack completed in 8.017 seconds
The whole thing completed in 14.626 seconds
So array is twice as quick as vector.
But after looking at the code in more detail this is expected; as you run across the vector twice and the array only once. ...
How can I loop through a List and grab each item?
...reach:
foreach (var money in myMoney) {
Console.WriteLine("Amount is {0} and type is {1}", money.amount, money.type);
}
MSDN Link
Alternatively, because it is a List<T>.. which implements an indexer method [], you can use a normal for loop as well.. although its less readble (IMO):
fo...
Checking images for similarity with OpenCV
...ue (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different.
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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answered Mar 27 '11 at 4:01
Winston EwertWinston Ewert
39.1k1010 gold badges6262 silver badges7878 bronze badges
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...ning about this in LogCat, something like:
Requested offscreen page limit 0 too small; defaulting to 1
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How to create a cron job using Bash automatically without the interactive editor?
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How do I install from a local cache with pip?
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(![]+[])[+[]]… Explain why this works
..., for example.
![]; // false, it was truthy
!{}; // false, it was truthy
!0; // true, it was falsey
!NaN; // true, it was falsey
After it, we have the second operand of the addition, an empty Array, [], this is made just to convert the false value to String, because the string representation of...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...ementing assembly version numbers and we frequently ship assemblies with 1.0.0.0 versions. Obviously, this causes a lot of headaches.
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Blocks on Swift (animateWithDuration:animations:completion:)
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the completion parameter in animateWithDuration takes a block which takes one boolean parameter...