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When should I use the HashSet type?
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I think it's more correct to say that the order of the items in the HashSet is not defined, so don't rely on the iterator's order. If you iterate the set because you are doing something against the items in the set, that is not dangerous ...
Is it wrong to use Deprecated methods or classes in Java?
...at is, no, it's not wrong, but there is a better way of doing it, which is more robust against API changes.
2. What if I don't change any method and run my application with warnings that I have, will it create any performance issue.
Most likely no. It will continue to work as before the deprec...
Why use iterators instead of array indices?
...it loop you're avoiding re-inventing the wheel. Your code is likely to be more efficient (given the right algorithm is chosen), correct and reusable.
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Generating random whole numbers in JavaScript in a specific range?
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What is the difference between an ORM and an ODM?
...f the data.
Examples of ORMs are nHibernate, Entity Framework, Dapper and more...
MongoDB is an example of a document database - you would use an ODM to translate between your objects in code and the document representation of the data (if needed).
Mandango is an example of an ODM for MongoDB.
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How to tell if a tag failed to load
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yes, true, that's why I asked to be more specific of what kind of error he's looking for.
– Luca Matteis
Feb 11 '09 at 21:51
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How do I create an array of strings in C?
...racter of "foo" to the array str, which doesn't work. See this answer for more details.
– John Bode
Feb 7 '14 at 15:33
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Is it possible to pass query parameters via Django's {% url %} template tag?
... Indeed. That makes sense too ... I just wish it was a little more elegant than that.
– Brian D
Jan 4 '11 at 8:06
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MongoDB Many-to-Many Association
...les, sure, but what if you had 20000 objects that could be linked to 20000 more objects (in a many-many relationship)? Even the MongoDB docs hint that you should avoid having mutable, huge arrays of references. docs.mongodb.org/manual/tutorial/…
– CaptSaltyJack
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