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Add a default value to a column through a migration
How do I add a default value to a column that already exists through a migration?
7 Answers
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What is the difference between const int*, const int * const, and int const *?
I always mess up how to use const int* , const int * const , and int const * correctly. Is there a set of rules defining what you can and cannot do?
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Injecting $scope into an angular service function()
I have a Service:
7 Answers
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How can I put a ListView into a ScrollView without it collapsing?
I've searched around for solutions to this problem, and the only answer I can find seems to be " don't put a ListView into a ScrollView ". I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do...
Why is f(i = -1, i = -1) undefined behavior?
I was reading about order of evaluation violations , and they give an example that puzzles me.
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Append values to a set in Python
I have a set like this:
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How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
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MyISAM versus InnoDB [closed]
I'm working on a projects which involves a lot of database writes, I'd say ( 70% inserts and 30% reads ). This ratio would also include updates which I consider to be one read and one write. The reads can be dirty (e.g. I don't need 100% accurate information at the time of read).
The task in que...
What characters are forbidden in Windows and Linux directory names?
I know that / is illegal in Linux, and the following are illegal in Windows
(I think) * . " / \ [ ] : ; | ,
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
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6 Answers
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