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Should I instantiate instance variables on declaration or in the constructor?
Is there any advantage for either approach?
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SQL Joins Vs SQL Subqueries (Performance)?
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dynamic_cast and static_cast in C++
I am quite confused with the dynamic_cast keyword in C++.
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How can I shift-select multiple checkboxes like GMail?
In GMail, the user can click on one checkbox in the email list, hold down the Shift key, and select a second checkbox. The JavaScript will then select/unselect the checkboxes that are between the two checboxes.
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What is the difference between
Can some one please describe the usage of the following characters which is used in ERB file:
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How do I find where an exception was thrown in C++?
I have a program that throws an uncaught exception somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated.
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
Why aren't pointers initialized with NULL by default?
Can someone please explain why pointers aren't initialized to NULL ?
Example:
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
I'd like to know what switch you pass to the gcc compiler to turn off unused variable warnings? I'm getting errors out of boost on windows and I do not want to touch the boost code:
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