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How to reshape data from long to wide format
... +1 and you don't need to rely on external packages, since reshape comes with stats. Not to mention that it's faster! =)
– aL3xa
May 5 '11 at 0:07
...
Parcelable where/when is describeContents() used?
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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
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Getting “CHECKOUT can only be performed on a version resource” when trying to commit using Eclipse s
... SVN 1.7 and the Eclipse Subversive plugin. Occassioanlly, when I try and commit changes from my project (by right clicking on the project from the package explorer, selecting "Team" -> "Commit"), I get the error:
...
What are transparent comparators?
...upports calling it with heterogeneous types (e.g. the pointer_comp type in https://stackoverflow.com/a/18940595/981959 is not transparent according to STL's definition, but defining pointer_comp::is_transparent allows it to be used to solve the problem). If you only ever lookup in your std::set<T...
MySQL Fire Trigger for both Insert and Update
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Namespace + functions versus static methods on a class
...ound an online reference to this principle in an article from Herb Sutter: http://www.gotw.ca/gotw/084.htm
The important thing to know is that: In C++ functions in the same namespace as a class belong to that class' interface (because ADL will search those functions when resolving function calls).
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What is the difference between a definition and a declaration?
...bes its type, be it a type, object, or function. A declaration is what the compiler needs to accept references to that identifier. These are declarations:
extern int bar;
extern int g(int, int);
double f(int, double); // extern can be omitted for function declarations
class foo; // no extern allow...
How Do I Hide wpf datagrid row selector
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Modify UIImage renderingMode from a storyboard/xib file
...ix .xib issues with an extension:
import UIKit
// fixing Bug in XCode
// http://openradar.appspot.com/18448072
extension UIImageView {
override open func awakeFromNib() {
super.awakeFromNib()
self.tintColorDidChange()
}
}
Source: https://gist.github.com/buechner/3b97000a6...