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C# “as” cast vs classic cast [duplicate]

I recently learned about a different way to cast. Rather than using 10 Answers 10 ...
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Checking if a variable is an integer

Does Rails 3 or Ruby have a built-in way to check if a variable is an integer? 11 Answers ...
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How to check if one of the following items is in a list?

I'm trying to find a short way to see if any of the following items is in a list, but my first attempt does not work. Besides writing a function to accomplish this, is the any short way to check if one of multiple items is in a list. ...
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Best practice to validate null and empty collection in Java

I want to verify whether a collection is empty and null . Could anyone please let me know the best practice. 9 Answers ...
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Check if one IEnumerable contains all elements of another IEnumerable

What is the fastest way to determine if one IEnumerable contains all the elements of another IEnumerable when comparing a field/property of each element in both collections? ...
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How to show “if” condition on a sequence diagram?

I was wondering, how can one represent " if " statement on a sequence diagram? 4 Answers ...
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指定组件的大小 · App Inventor 2 中文网

... component in the designer, you are typically given the opportunity to specify its height and width. There are four choices: Automatic: Size is chosen by the system Fill parent: Size is chosen to fill the space available. Size specified in pixels Size in percent of Screen (not available f...
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How to convert a string to integer in C?

I am trying to find out if there is an alternative way of converting string to integer in C. 12 Answers ...
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How to Use slideDown (or show) function on a table row?

...le rows present particular obstacles to animation, since browsers use different values (table-row and block) for their visible display property. The .hide() and .show() methods, without animation, are always safe to use with table rows. As of jQuery version 1.1.3, .fadeIn() and .fa...
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In Objective-C, how do I test the object type?

... If your object is myObject, and you want to test to see if it is an NSString, the code would be: [myObject isKindOfClass:[NSString class]] Likewise, if you wanted to test myObject for a UIImageView: [myObject isKindOfClas...