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How SID is different from Service name in Oracle tnsnames.ora
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5 Answers
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PostgreSQL - max number of parameters in “IN” clause?
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According to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all...
How to sort an array of integers correctly
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25 Answers
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Implicit type conversion rules in C++ operators
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In C++ operators (for POD types) always act on objects of the same type.
Thus if they are not th...
How do I print out the contents of an object in Rails for easy debugging?
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answered Jan 28 '11 at 15:43
jerhinesmithjerhinesmith
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How do I switch between the header and implementation file in Xcode 4?
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answered Mar 14 '11 at 15:48
zoulzoul
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How do I create a foreign key in SQL Server?
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answered Sep 7 '08 at 20:57
John BokerJohn Boker
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How to pick just one item from a generator?
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Everytime you would like an item, use
next(g)
(or g.next() in Python 2.5 or below).
If the generator exits, it will raise StopIteration. You can either catch this exception if necessary, or use the default argument to next():
next(g, default_value)
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How to remove selected commit log entries from a Git repository while keeping their changes?
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git-rebase(1) does exactly that.
$ git rebase -i HEAD~5
git awsome-ness [git rebase --interactive] contains an example.
Don't use git-rebase on public (remote) commits.
Make sure your working directory is clean (commit or stash your current changes).
Run the above command. I...
Manipulate a url string by adding GET parameters
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15 Answers
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