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c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区,为创新赋能!

...mp {   bool operator()(const element& v1, const element& v2)const   {     if(v1.x<v2.x)return true;     if(v2.x<v1.x)return false;     if(v1.y<v2.y)return true;     if(v2.y<v1.y)return false;     return v1.z&lt...
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How to determine if a decimal/double is an integer?

...ni - I think you're confused. It sets it to false, because the result of 16.1 - 6.1 is not an int. The point was to find if a given value is an int, not if something that is approximately an int is an int. – Erik Funkenbusch Jan 31 '14 at 18:56 ...
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What are the differences between GPL v2 and GPL v3 licenses? [closed]

...ms, what are the reasons for, and what are the differences between the GPL v2 and GPL v3 open source licenses? Explanations and references to legal terms and further descriptions would be appreciated. ...
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Android Google Maps v2 - set zoom level for myLocation

...sible to change the zoom level for myLocation with the new Google Maps API v2? 13 Answers ...
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Prevent RequireJS from Caching Required Scripts

...he browser or server is not configured correctly. Example, appending "v2" to all scripts: require.config({ urlArgs: "bust=v2" }); For development purposes, you can force RequireJS to bypass the cache by appending a timestamp: require.config({ urlArgs: "bust=" + (new Date()).getTime(...
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How can I change the color of a Google Maps marker?

... Since maps v2 is deprecated, you are probably interested in v3 maps: https://developers.google.com/maps/documentation/javascript/markers#simple_icons For v2 maps: http://code.google.com/apis/maps/documentation/overlays.html#Icons_over...
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How to put Google Maps V2 on a Fragment using ViewPager

...s and viewpager from androidhive. However, I can't implement google maps v2 on it. I searched the internet for hours already, but I can't find a tutorial on how to do it. Can some one please show me how? ...
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Create a tag in a GitHub repository

...can just run the following simple commands on your terminal. $ git tag -a v2.1.0 -m "xyz feature is released in this tag." $ git tag v1.0.0 v2.0.0 v2.1.0 The -m denotes message for that particular tag. We can write summary of features which is going to tag here. Lightweight Tags: The other way ...
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How do I size a UITextView to its content?

... This works for both iOS 6.1 and iOS 7: - (void)textViewDidChange:(UITextView *)textView { CGFloat fixedWidth = textView.frame.size.width; CGSize newSize = [textView sizeThatFits:CGSizeMake(fixedWidth, MAXFLOAT)]; CGRect newFrame = textV...
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Auto layout constraints issue on iOS7 in UITableViewCell

... This is no longer a problem with Xcode 6.1. Also, do not use NSFoundationVersionNumber, please see nshipster.com/swift-system-version-checking – onmyway133 Oct 24 '14 at 8:32 ...