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Is having an 'OR' in an INNER JOIN condition a bad idea?

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#ifdef replacement in the Swift language

... Additional note: On top of adding -D DEBUG as stated above, you also need to define DEBUG=1 in Apple LLVM 6.0 - Preprocessing -> Preprocessor Macros. – MLQ Mar 26 '15 at 15:25 ...
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Fetch the row which has the Max value for a column

...d of MAX(...) OVER (...) you can also use ROW_NUMBER() OVER (...) (for the top-n-per-group) or RANK() OVER (...) (for the greatest-n-per-group). – MT0 Jun 27 '16 at 8:13 ...
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How to show SQL queries run in the Rails console?

...swered May 29 '10 at 17:44 John TopleyJohn Topley 104k4343 gold badges186186 silver badges234234 bronze badges ...
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Validate uniqueness of multiple columns

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What is the difference between buffer and cache memory in Linux?

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Delete last commit in bitbucket

...eset HEAD^ git pull If they have pulled the bad commit, and committed on top of it, then they will have to reset, and then git cherry-pick the good commits that they want to create, effectively re-creating the whole branch without the bad commit. If they never pulled the bad commit, then this who...
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Java unchecked: unchecked generic array creation for varargs parameter

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What's the best way to check if a file exists in C?

...eason access() broke in my code. I moved from DevC++ to CodeBlocks and it stopped working. So, it's not infallible; +1 more to @Leffler. – Ben Dec 13 '10 at 6:10 12 ...
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A Java collection of value pairs? (tuples?)

...cs examples that is easy enough to write on your own. For example, off the top of my head: public class Pair<L,R> { private final L left; private final R right; public Pair(L left, R right) { assert left != null; assert right != null; this.left = left; this.right = ri...