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Where do “pure virtual function call” crashes come from?
...d dispatched to Base::doIt() statically, which just causes a linker error. What we really need is a situation in which the dynamic type during a dynamic dispatch is the abstract base type.
– Kerrek SB
Apr 5 '12 at 9:41
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Square retrofit server mock for testing
What's the best way to mock a server for testing when using the square retrofit framework .
11 Answers
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How to make junior programmers write tests? [closed]
...ing tests, and they are trying to get me inline with this. I will give somewhat snarky reaction to items mentioned so far, as if I didn't do any research on this.
Let's get this started with the creator:
Showing that the design becomes simpler.
How can writing more, make things simpler. I wou...
What does upstream mean in nginx?
Never seen it before, anyone knows, what it means?
2 Answers
2
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Relational table naming convention [closed]
...t is a a db design question.) It doesn't matter if user::product is 1::n. What matters is whether product is a separate entity and whether it is an Independent Table, ie. it can exist on its own. Therefore product, not user_product.
And if product exists only in the context of an user, ie. it i...
SQL variable to hold list of integers
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What if you don't know what the IDs are and that comes from a query? Example: SET @AddressIDs = (SELECT ID FROM address WHERE Account = 1234) This query will return multiple IDs and I get an error saying the subquery returned...
Java heap terminology: young, old and permanent generations?
I'm trying to understand What the concepts of young , old and permanent generations are in the Java heap terminology, and more specifically the interactions between the three generations.
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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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Convert a bitmap into a byte array
...Png);
return stream.ToArray();
}
}
This one is equivalent to what you are doing, except the file is saved to memory instead of to disk. Although more code you have the option of ImageFormat and it can be easily modified between saving to memory or disk.
Source: http://www.vcskicks.com...
What Java ORM do you prefer, and why? [closed]
...asted (still is) to resolve persistence related issues. We have no control whatsoever about what is happening "under the hood", configurations are too many to be managed efficiently and there are behaviors that could drive one crazy. On the other hand i have support for major databases and never hav...