identity Archives - IT Nursery

What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?

I know Scope_Identity(), Identity(), @@Identity, and Ident_Current() all get the value of the identity column, but I would love to know the difference. ...

May 23, 2022
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ASP.NET MVC 5 – Identity. How to get current ApplicationUser

I have an Article entity in my project which has the ApplicationUser property named Author. How can I get the full object of ...

May 22, 2022
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How to get the unique ID of an object which overrides hashCode()?

When a class in Java doesn’t override hashCode(), printing an instance of this class gives a nice unique number. The Javadoc of Object ...

May 20, 2022
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The JPA hashCode() / equals() dilemma

There have been some discussions here about JPA entities and which hashCode()/equals() implementation should be used for JPA entity classes. Most (if not ...

May 11, 2022
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Auto increment primary key in SQL Server Management Studio 2012

How do I auto increment the primary key in a SQL Server database table? I’ve had a look through the forum but can’t ...

May 2, 2022
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“is” operator behaves unexpectedly with integers

Why does the following behave unexpectedly in Python? >>> a = 256 >>> b = 256 >>> a is b True # This ...

April 30, 2022
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What is the difference between == and equals() in Java?

I wanted to clarify if I understand this correctly: == is a reference comparison, i.e. both objects point to the same memory location ...

April 26, 2022
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Why does comparing strings using either ‘==’ or ‘is’ sometimes produce a different result?

Two string variables are set to the same value. s1 == s2 always returns True, but s1 is s2 sometimes returns False. If ...

April 13, 2022
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