大约有 13,065 项符合查询结果(耗时:0.0207秒) [XML]

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$on and $broadcast in angular

... If you want to $broadcast use the $rootScope: $scope.startScanner = function() { $rootScope.$broadcast('scanner-started'); } And then to receive, use the $scope of your controller: $scope.$on('scanner-started', function(e...
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What is the difference between customErrors and httpErrors?

What is the difference between the customErrors and httpErrors sections of the web.config file in ASP.NET MVC applications? ...
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Abort makefile if variable not set

How could I abort a make/makefile execution based on a makefile's variable not being set/valued? 5 Answers ...
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Multiple aggregations of the same column using pandas GroupBy.agg()

Is there a pandas built-in way to apply two different aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times? ...
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What are 'get' and 'set' in Swift?

I'm learning Swift and I'm reading The Swift Programming Language from Apple, I have no Objective C background (only PHP, JS, and other but no Obj C) ...
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How is “int* ptr = int()” value initialization not illegal?

... int() is a constant expression with a value of 0, so it's a valid way of producing a null pointer constant. Ultimately, it's just a slightly different way of saying int *ptr = NULL; share ...
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Unicode character in PHP string

This question looks embarrassingly simple, but I haven't been able to find an answer. 8 Answers ...
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Does setting Java objects to null do anything anymore?

I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed. ...
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Can you help me understand Moq Callback?

Using Moq and looked at Callback but I have not been able to find a simple example to understand how to use it. 5 Answers...
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Why do I need Transaction in Hibernate for read-only operations?

... You might actually have reasons to mark transactions as read-only. Transactions for reading might look indeed strange and often people don't mark methods for transactions in this case. But JDBC will create transaction anyway,...