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Oracle: If Table Exists

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What is the use of the @ symbol in PHP?

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Empty Visual Studio Project?

Is there a way to have an empty Project in Visual Studio 2008 or 2010? I do not mean an empty solution, I mean an empty project in a solution. Basically I have a solution with multiple projects, and I want to add a project to track some static files that are part of the solution but not of any speci...
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In HTML5, should the main navigation be inside or outside the element?

... answered Feb 2 '11 at 9:12 Ian DevlinIan Devlin 17.2k44 gold badges5252 silver badges6969 bronze badges ...
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Logical Operators, || or OR?

... 140 There is no "better" but the more common one is ||. They have different precedence and || woul...
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Should the hash code of null always be zero, in .NET

...jects that are considered equal share the same hash code. Returning 0 or -1 for null, so long as you choose one and return it all the time, will work. Obviously, non-null hash codes should not return whatever value you use for null. Similar questions: GetHashCode on null fields? What should GetH...
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How do I check if a number is a palindrome?

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What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?

...er than classic? – Alex Nolasco Feb 16 '12 at 17:03 I'm not sure if it's correct to say that asp.net is a part of IIS....
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How can I discard remote changes and mark a file as “resolved”?

... | edited Sep 7 '17 at 11:49 Marián Černý 11.9k44 gold badges5656 silver badges7070 bronze badges ...
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Google Maps V3 - How to calculate the zoom level for a given bounds

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