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JPA eager fetch does not join
... and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships.
8 Answers
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How to convert an int to a hex string?
...t entirely clear what you need. Based on the description you gave, I think one of these snippets shows what you want.
>>> chr(0x65) == '\x65'
True
>>> hex(65)
'0x41'
>>> chr(65) == '\x41'
True
Note that this is quite different from a string containing an integer as he...
Interface or an Abstract Class: which one to use?
...lasses.
Another thing to keep in mind is client classes can only extend one abstract class, whereas they can implement multiple interfaces. So, if you're defining your behavior contracts in abstract classes, that means each child class may only conform to a single contract. Sometimes this a goo...
How do I parse an ISO 8601-formatted date?
...hon-dateutil package can parse not only RFC 3339 datetime strings like the one in the question, but also other ISO 8601 date and time strings that don't comply with RFC 3339 (such as ones with no UTC offset, or ones that represent only a date).
>>> import dateutil.parser
>>> date...
Working copy XXX locked and cleanup failed in SVN
...
One approach would be to:
Copy edited items to another location.
Delete the folder containing the problem path.
Update the containing folder through Subversion.
Copy your files back or merge changes as needed.
Commit
Anot...
Add space between HTML elements only using CSS
I have several same HTML elements going one after another:
12 Answers
12
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Border around specific rows in a table?
...table). For example, you can select all rows except the top two and bottom one with tr:not(:nth-child(-n+2)):not(:nth-last-child(1))
– B T
Jul 11 '14 at 19:05
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Finding quaternion representing the rotation from one vector to another
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How has anyone got this technique to work? For one, sqrt((v1.Length ^ 2) * (v2.Length ^ 2)) simplifies to v1.Length * v2.Length. I couldn't get any variation of this to produce sensible results.
– Joseph Thomson
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Create an empty object in JavaScript with {} or new Object()?
...e's similarly almost no benefit to ever using new Array(); over []; - with one minor exception:
var emptyArray = new Array(100);
creates a 100 item long array with all slots containing undefined - which may be nice/useful in certain situations (such as (new Array(9)).join('Na-Na ') + 'Batman!')....
Returning multiple values from a C++ function
...hat divides two integers and returns both the quotient and the remainder. One way I commonly see is to use reference parameters:
...