If one of the columns in the returned coldfusion query result set has a NULL, how do we check if the value of this column being NULL?
I\'m running on RHEL 5.1 64 bit platfrom using gcc 4.1.2. I have a utility function: void str_concat(char *buff, int buffSize, ...);
I have a query that works in plain SQL but is not working on JPA and can\'t figure out why. As you can guess from the title I have a clue but I don\'t know how to \"fix\" it.
[ This is a result of Best Practice: Should functions return null or an empty object? but I\'m trying to be very general. ]
In the 开发者_开发技巧following code, what is the benefit of using (!!p) instead of (p != NULL)?
I have noticed that when I was running Windows XP, if my code dereferenced null I would get a crash in debug and I could then easily identify where the bug was coming from.It seems that in Windows 7 (
I want to know which table\'s field are required or not required so I have to get \"Allow nulls\" stat开发者_JAVA百科e. How to do that?I will assume you are talking about SQL Server.
This is sample code: NSDictionary *myDictionary = [NSDictionary dictionary]; NSNumber *myNumber = [myDictionary valueForKey: @\"MyNumber\"];
Hey guys, hoping for some help with this :( been stuck on it for a couple days now. I\'m creating a ScrollBar using Lee Brimelow\'s ScrollBar class. I\'ve had to modify it to work inside of my Class
I\'m confused why the following C++ code can compile. Why does a call to delete the method of 0 not produce any error?!
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