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C# : 'is' keyword and checking for Not

...... Update (considering the OP's code snippet): Since you're actually casting the value afterward, you could just use as instead: public void Update(DocumentPart part) { part.Update(); IContainer containerPart = part as IContainer; if(containerPart == null) return; foreach(Docu...
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Int division: Why is the result of 1/3 == 0?

... Explicitly cast it as a double double g = 1.0/3.0 This happens because Java uses the integer division operation for 1 and 3 since you entered them as integer constants. ...
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UICollectionView spacing margins

... This works, but the collection.collectionViewLayout needs a cast as in the example by @Pooja: UICollectionViewFlowLayout *flow = (UICollectionViewFlowLayout*) self.collectionViewLayout; – jwj Dec 5 '13 at 18:56 ...
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How can I generate a diff for a single file between two branches in github

... me to do this for all changed files, but that's no good as there are thousands of files in my repo. 5 Answers ...
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Sending Arguments To Background Worker?

...s List<object>; extract your multiple arguments from this list and cast them and use them. } share | improve this answer | follow | ...
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How can I convert a string to a number in Perl?

...00'..'15') and needed to remove the leading zeros in some places. This 0+ casting to a number also achieves that. – stevesliva Nov 4 '16 at 16:18 ...
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Can an int be null in Java?

...be checked for null, however, you can safely assign null to int in Java by casting it to Integer, for example if the check(root) method can return null then you can safely cast it to int by doing something like this: int data = (Integer)check(node); – sactiw O...
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How do I pass a class as a parameter in Java?

... public void callingMethod(Class neededClass) { //Cast the class to the class you need //and call your method in the class ((ClassBeingCalled)neededClass).methodOfClass(); } To call the method, you call it this way: callingMethod(ClassBeingCalled.class); ...
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]

... @Dataknife More like it just does the casting for you. There are no generics types at runtime with either case, and the implementation of emptyList() internally contains the cast (with a suppression on unchecked too). – Edwin Buck ...
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How do I drag and drop files into an application?

... Is the (string[]) cast safe for any FileDrop-formatted drop? That is, is it possible to generate a FileDrop that will cause an illegal cast exception to string[]? I'm having trouble figuring that out from the docs. – kd...