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C# Sortable collection which allows duplicate keys

... Use your own IComparer! Like already stated in some other answers, you should use your own comparer class. For this sake I use a generic IComparer class, that works with anything that implements IComparable: /// <summary> /// Comparer for compa...
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Showing Difference between two datetime values in hours

... I think you're confused because you haven't declared a TimeSpan you've declared a TimeSpan? which is a nullable TimeSpan. Either remove the question mark if you don't need it to be nullable or use variable.Value.TotalHours. ...
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BASH copy all files except one

I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you? ...
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Save string to the NSUserDefaults?

...omeValue"; [[NSUserDefaults standardUserDefaults] setObject:valueToSave forKey:@"preferenceName"]; [[NSUserDefaults standardUserDefaults] synchronize]; to get it back later NSString *savedValue = [[NSUserDefaults standardUserDefaults] stringForKey:@"preferenceName"]; ...
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How can I return pivot table output in MySQL?

If I have a MySQL table looking something like this: 8 Answers 8 ...
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What does DIM stand for in Visual Basic and BASIC?

...wered Jun 23 '09 at 16:01 Patrick McDonaldPatrick McDonald 57.8k1313 gold badges9494 silver badges115115 bronze badges ...
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#if DEBUG vs. Conditional(“DEBUG”)

...n: Conditional("DEBUG") Example: I use this so that I don't have to go back and edit my code later during release, but during debugging I want to be sure I didn't make any typos. This function checks that I type a property name correctly when trying to use it in my INotifyPropertyChanged stuff. [C...
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How to convert an int array to String with toString method in Java [duplicate]

I am using trying to use the toString(int[]) method, but I think I am doing it wrong: 8 Answers ...
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horizontal line and right way to code it in html, css

I need to draw a horizontal line after some block, and I have three ways to do it: 10 Answers ...
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Why does javascript map function return undefined?

...e result. The map function is used to map one value to another, but it looks you actually want to filter the array, which a map function is not suitable for. What you actually want is a filter function. It takes a function that returns true or false based on whether you want the item in the resul...