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Difference between Iterator and Listiterator?
We can use Iterator to traverse a Set or a List or a Map . But ListIterator can only be used to traverse a List , it can't traverse a Set . Why?
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const char* concatenation
I need to concatenate two const chars like these:
12 Answers
12
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Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
In some scripts I see that they omit writing a closing tag ?> for the script. Why is it and should I do this as well?
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The order of elements in Dictionary
My question is about enumerating Dictionary elements
6 Answers
6
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You have already activated X, but your Gemfile requires Y
When running rake I get this error:
7 Answers
7
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MySQL Removing Some Foreign keys
I have a table whose primary key is used in several other tables and has several foreign keys to other tables.
11 Answers
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Center content of UIScrollView when smaller
I have a UIImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I ...
Why do I need Transaction in Hibernate for read-only operations?
Why do I need Transaction in Hibernate for read-only operations?
4 Answers
4
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How do you clear Apache Maven's cache?
Recently, Apache Maven seems to be having caching issues. Performing clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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