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Why have header files and .cpp files? [closed]
Why does C++ have header files and .cpp files?
9 Answers
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Commenting code in Notepad++
... programs in Python. It might sound daft but I looked around in the editor and could not find any means (not the manual way but something like in Emacs) to do a block comment in my code.
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How good is Java's UUID.randomUUID?
I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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Why does ASP.NET webforms need the Runat=“Server” attribute?
... have to specify runat="server" on all my ASP.NET controls when it is a mandatory attribute and server is the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
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What is the difference between display: inline and display: inline-block?
What exactly is the difference between the inline and inline-block values of CSS display ?
5 Answers
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Raise warning in Python without interrupting program
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Thank you very much. And how then do I test that the Warning has been thrown using unittest? I cannot use assertRaises() anymore.
– Tomas Novotny
Oct 8 '10 at 15:14
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Replace a character at a specific index in a string?
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and what makes your solution better?
– dpp
May 3 '12 at 1:43
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Binary Data in JSON String. Something better than Base64
...this is only a 7% improvement over base64, it's more expensive to compute, and implementations are less common than for base64 so it's probably not a win.
You could also simply map every input byte to the corresponding character in U+0000-U+00FF, then do the minimum encoding required by the JSON st...
How to search for file names in Visual Studio?
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Just for anyone else landing on this page from Google or elsewhere, this answer is probably the best answer out of all of them.
To summarize, simply hit:
CTRL + ,
And then start typing the file name.
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Temporarily disable auto_now / auto_now_add
.../auto_now_add is not best choice. It is often more flexible to use default and/or override the save() method to do manipulation right before the object is saved.
Using default and an overridden save() method, one way to solve your problem would be to define your model like this:
class FooBar(model...