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Compare two objects' properties to find differences?

I have two objects of the same type, and I want to loop through the public properties on each of them and alert the user about which properties don't match. ...
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Calculate a Running Total in SQL Server

Imagine the following table (called TestTable ): 15 Answers 15 ...
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Add timestamps to an existing table

I need to add timestamps ( created_at & updated_at ) to an existing table. I tried the following code but it didn't work. ...
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How to save/restore serializable object to/from file?

I have a list of objects and I need to save that somewhere in my computer. I have read some forums and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following: ...
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How to convert linq results to HashSet or HashedSet

I have a property on a class that is an ISet. I'm trying to get the results of a linq query into that property, but can't figure out how to do so. ...
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Best way to check for “empty or null value”

What is best way to check if value is null or empty string in Postgres sql statements? 10 Answers ...
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Collection that allows only unique items in .NET?

Is there a collection in C# that will not let you add duplicate items to it? For example, with the silly class of 7 Answers...
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When to use generic methods and when to use wild-card?

I am reading about generic methods from OracleDocGenericMethod . I am pretty confused about the comparison when it says when to use wild-card and when to use generic methods. Quoting from the document. ...
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How to use enums as flags in C++?

Treating enum s as flags works nicely in C# via the [Flags] attribute, but what's the best way to do this in C++? 22 Ans...
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How to get the type of T from a member of a generic class or method?

Let say I have a generic member in a class or method, so: 16 Answers 16 ...