!> in c# . Check is object null - What are the options? .Net 4 FileLoadException permissions problem With windows service .NET code to extract data from an excel sheet and create a text file having a specific format .Net Core 3.0 Console App. Microsoft.Data.SQLClient is not supported ...
If you are not intialising any value to the variable then null value is present in auto variables.null in oracle is used in sql queries for getting values whose values are null such as manger is null or comm is null.the null is an operator in oracle . If you want to compare values ...
Any difference between Server.MapPath("~") and Server.MapPath("") ? Any easy way to log user activity after they login? Any event after the page load completed? API GET:Obj ref not set to an instance of an object App_code folder in asp.net 3.5 App_Code folder vs. regular folder Ap...
Except the above statement, there is no difference between AND and &&. Let us look at all the conditions. The result of AND and && will always be either 1 or 0. As we know the AND and && both are logical operators, if there are more than one operand and any one of them has valu...
This article by James Travis details the differences between IS NULL and = NULL. He also discusses the ANSI_NULLS setting.
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Another key difference between an int and an Integer is that int can never be null but Integer can be. That's obvious if you know the difference between primitive type and Wrapper class but you may not know that this can cause NullPointerException in your code....
The difference between inner joins, full outer joins, left outer joins and right outer joins in SQL explained using examples from the world of Harry Potter
There is no business rule that can redefine the relationship between entities. Two entities don't just change their mind one day and decide they are going to relate to each other differently. A requirement change may change the entities in an application, but creating new...
Now I can switch forth and back between the trunk and the new branch, but still build and deploy artifacts side-by-side. Defaults in POM You may also provide the fixed values in the POM. And if you want to avoid interfering with other Maven Release actions, you might want to use a ...