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What's the difference between an inverted index and a plain old index?

... two types denote directionality. One takes you forward through the index, and the other takes you backward (the inverse) through the index. That's it. There's no mystery to uncover here. Otherwise the two types are identical, it's just a question of what information you have, and as a result what ...
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What's the difference between & and && in MATLAB?

What is the difference between the & and && logical operators in MATLAB? 7 Answers ...
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What are good alternatives to SQL (the language)? [closed]

I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative l...
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Difference between Hive internal tables and external tables?

Can anyone tell me the difference between Hive's external table and internal tables. I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables. Can anyone explain me in terms o...
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Entity Framework 4 vs NHibernate [closed]

...ed about Entity Framework first version on the web (also on stackoverflow) and it is clear that it was not a good choice when we already have better alternative like NHibernate. But I can't find a good comparison of Entity Framework 4 and NHibernate. We can say that today NHibernate is the leader am...
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What are the main disadvantages of Java Server Faces 2.0?

...t basic Web Development (HTML/CSS/JS, server side versus client side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to mind. JSF in its current release still needs to get rid of the negative image it gained during the earl...
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How do I exit the Vim editor?

I'm stuck and cannot escape. It says: 10 Answers 10 ...
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?

... My view is to always use ++ and -- by themselves on a single line, as in: i++; array[i] = foo; instead of array[++i] = foo; Anything beyond that can be confusing to some programmers and is just not worth it in my view. For loops are an exception,...
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What is boxing and unboxing and what are the trade offs?

I'm looking for a clear, concise and accurate answer. 8 Answers 8 ...
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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]

I have used Relational DB's a lot and decided to venture out on other types available. 7 Answers ...