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How do you do a limit query in JPQL or HQL?

... HQL parser would replace the bits of the query that it recognised as HQL, and leave the rest as it was, so you could sneak in some native SQL. Hibernate 3, however, has a proper AST HQL Parser, and it's a lot less forgiving. I think Query.setMaxResults() really is your only option. ...
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What is a “callback” in C and how are they implemented?

From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story). 9 Answers ...
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Long-held, incorrect programming assumptions [closed]

I am doing some research into common errors and poor assumptions made by junior (and perhaps senior) software engineers. 19...
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How do BitTorrent magnet links work?

... I used a magnet link . Curious about how it works, I looked up the specs and didn't find any answers. The wiki says xt means "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it...
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Difference between map, applymap and apply methods in Pandas

...rame’s apply method does exactly this: In [116]: frame = DataFrame(np.random.randn(4, 3), columns=list('bde'), index=['Utah', 'Ohio', 'Texas', 'Oregon']) In [117]: frame Out[117]: b d e Utah -0.029638 1.081563 1.280300 Ohio 0.647747 0.831136 -1.549481 Tex...
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Why is Linux called a monolithic kernel?

...d that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable? ...
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Interface or an Abstract Class: which one to use?

Please explain when I should use a PHP interface and when I should use an abstract class ? 11 Answers ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

...but I've just spent a day working out how to get MySQLdb working properly, and the universe according to google includes numerous references to what a PITA it is, and an inordinate number of guides that seem to be outdated. Given that this site is intended to address these sorts of problems, and I ...
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Add an already existing directory to a directory in Solution Explorer

...irectory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories. ...
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What is the difference between the Facade and Adapter Pattern?

I've been reading both definitions and they seem quite the same. Could anyone point out what are their differences? 16 Answ...