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Algorithm to return all combinations of k elements from n
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Usage:
var result = Combinations(new[] { 1, 2, 3, 4, 5 }, 3);
Result:
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PHP: How to remove all non printable characters in a string?
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Java Generics (Wildcards)
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In your first question, <? extends T> and <? super T> are examples of bounded wild...
Can inner classes access private variables?
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An inner class is a friend of the class it is defined within.
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Get last n lines of a file, similar to tail
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This may be quicker than yours. Makes no assumptions about line length. Backs through the fi...
Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...AS j USING(userid)
JOIN useraccounts AS us USING(userid)
WHERE j.jobid = 123
This is completely ambiguous. I put a UserID column in both Companies and user tables and there's no complaint. What if the UserID column in companies is the ID of the last person to modify that row?
I'm serious, Can ...