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What does the KEY keyword mean?
..._id) REFERENCES auth_user (id) then you might additionally want to specify what INDEX is used (HASH vs BTREE). This example shows KEY and INDEX aren't synonyms.
– oneloop
Jan 31 '17 at 12:19
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What does PermGen actually stand for?
I know what PermGen is, what it's used for, why it fails, how to increase it etc.
8 Answers
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What's the absurd function in Data.Void useful for?
...simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| Await (a -> Pipe a b r)
| Yield !b (Pipe a b r)
this is a strict-ified and simplified version of the standard pipes type from Gabriel Gonza...
Git command to show which specific files are ignored by .gitignore
...to be upvoted) git clean -ndX works on older gits, displaying a preview of what ignored files could be removed (without removing anything)
Also interesting (mentioned in qwertymk's answer), you can also use the git check-ignore -v command, at least on Unix (doesn't work in a CMD Windows session)...
What's the result of += in C and C++?
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f10653903%2fwhats-the-result-of-in-c-and-c%23new-answer', 'question_page');
}
);
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What are sessions? How do they work?
...er) that contains the authenticated user id - that way your code will know what user it is talking to.
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What is the difference between Flex/Lex and Yacc/Bison?
What is the difference between Flex & Lex and Yacc & Bison. I searched the Internet wildly and I didn't find any solid answer.
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PowerShell script to return versions of .NET Framework on a machine?
What would a PowerShell script be to return versions of the .NET Framework on a machine?
16 Answers
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What is the “-->” operator in C++?
... and 0 ..." to make it clearer. But this is nitpicking anyway. We all know what is meant.
– Johannes Schaub - litb
Jan 30 '10 at 17:42
38
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What is the main difference between Inheritance and Polymorphism?
...a and both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questions to this but, none I have seen which provide a definitive answer.
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