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What is the difference between partitioning and bucketing a table in Hive ?
I know both is performed on a column in the table but how is each operation different.
8 Answers
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What's the difference between an inverted index and a plain old index?
...o find.
To address your inquiry, I don't think there's actually a way to know why the use is what it is today. The only reason it's important to define which is forward and which one is inverted is so that we can all have a conversation about them, and everyone knows which direction we're talking a...
C# vs C - Big performance difference
...employ some expert level optimization. 99% of programmers don't have the knowledge to use such optimization techniques just to get their code to run slightly faster than the c# code. Use cases for for c/c++ are narrowing.
– user2074102
Aug 23 '16 at 16:11
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Soft hyphen in HTML ( vs. ­)
...irksMode is right -- there's no good way to use soft hyphens in HTML right now. See what you can do to go without them.
2013 edit: According to QuirksMode, ­ now works/is supported on all major browsers.
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When to use next() and return next() in Node.js
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@AdamD I would like to know that as well.
– theprogrammer
Sep 1 at 23:01
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Setting an object to null vs Dispose()
...m fascinated by the way the CLR and GC works (I'm working on expanding my knowledge on this by reading CLR via C#, Jon Skeet's books/posts, and more).
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What is a lambda (function)?
... = x−1 means a function substituting the symbols x−1 for the symbol y. Now imagine applying λ y to each term in the first equation. If a term is y then perform the substitution; otherwise do nothing. If you do this out on paper you'll see how applying that λ y will make the first equation solv...
What is an EJB, and what does it do?
...you place EJBs in general? I'd say they belong to Model layer, although I know many people who say they are controllers. If EJB contain business logic (you said they do), then they're model layer by definition.
– user107986
Sep 29 '15 at 20:43
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When should I use malloc in C and when don't I?
... char array ( a variable) and some_memory points to that allocated memory. Now this array is both read and write. You can now do:
some_memory[0] = 'h';
and the array contents change to "hello World"
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What exactly is RESTful programming?
...ts (browsers) and servers can interact in complex ways without the client knowing anything beforehand about the server and the resources it hosts. The key constraint is that the server and client must both agree on the media used, which in the case of the web is HTML.
An API that adheres to the pri...