大约有 15,590 项符合查询结果(耗时:0.0246秒) [XML]

https://stackoverflow.com/ques... 

When converting a project to use ARC what does “switch case is in protected scope” mean?

...sing Xcode 4 Edit -> Refactor -> Convert to Objective-C ARC... One of the errors I get is "switch case is in protected scope" on "some" of the switches in a switch case. ...
https://stackoverflow.com/ques... 

Best practices: throwing exceptions from properties

...or setters they indicate that exceptions are an appropriate and acceptable error handling strategy. For indexers, Microsoft indicates that it is acceptable for both getters and setters to throw exceptions. And in fact, many indexers in the .NET library do this. The most common exception being Argum...
https://stackoverflow.com/ques... 

How to solve “The specified service has been marked for deletion” error

...Service with sc delete <service name> , and encounter the following error: 21 Answers ...
https://stackoverflow.com/ques... 

surface plots in matplotlib

...our x,y,z are some arbitrary variables. In my case these were c,gamma, and errors because I was testing a support vector machine. There are many potential choices to plot the data: scatter3D(cParams, gammas, avg_errors_array) - this works but is overly simplistic plot_wireframe(cParams, gammas, av...
https://stackoverflow.com/ques... 

How to get rspec-2 to give the full trace associated with a test failure?

Right now if I run my test suite using rake spec I get an error: 6 Answers 6 ...
https://stackoverflow.com/ques... 

in a “using” block is a SqlConnection closed on return or exception?

...way, when the using block is exited (either by successful completion or by error) it is closed. Although I think it would be better to organize like this because it's a lot easier to see what is going to happen, even for the new maintenance programmer who will support it later: using (SqlConnectio...
https://stackoverflow.com/ques... 

How do you clear a stringstream variable?

...The clear() member function is inherited from ios and is used to clear the error state of the stream, e.g. if a file stream has the error state set to eofbit (end-of-file), then calling clear() will set the error state back to goodbit (no error). For clearing the contents of a stringstream, using: ...
https://stackoverflow.com/ques... 

Get User's Current Location / Coordinates

...eocoder() geocoder.reverseGeocodeLocation(userLocation) { (placemarks, error) in if (error != nil){ print("error in reverseGeocode") } let placemark = placemarks! as [CLPlacemark] if placemark.count>0{ let placemark = placemarks![0] ...
https://stackoverflow.com/ques... 

Passing multiple error classes to ruby's rescue clause in a DRY fashion

...nt to access the exception instance, use this syntax: rescue InvalidRequestError, CardError => e (see mikeferrier.com/2012/05/19/…) – Peter Ehrlich Oct 11 '12 at 16:37 1 ...
https://stackoverflow.com/ques... 

from jquery $.ajax to angular $http

...response is available $scope.data = response.data; }, function errorCallback(response) { // called asynchronously if an error occurs // or server returns response with an error status. $scope.error = response.statusText; }); or could be written even simpler usin...