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How to get a Docker container's IP address from the host
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52 Answers
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Git: How to reuse/retain commit messages after 'git reset'?
...ter:
git commit -C HEAD@{1}
You can use the other options given by @user2718704.
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Is there a printf converter to print in binary format?
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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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TextView - setting the text size programmatically doesn't seem to work
I am using Eclipse Indigo, testing on 2 emulators(2.2 and 3.0).
7 Answers
7
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Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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How do you write multiline strings in Go?
...e string is delimited by backticks instead of double quotes.
`line 1
line 2
line 3`
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PHP ORMs: Doctrine vs. Propel
...ria):
<?php
// Propel
$c = new Criteria();
$c->add(ExamplePeer::ID, 20);
$items = ExamplePeer::doSelectJoinFoobar($c);
// Doctrine
$items = Doctrine_Query::create()
->from('Example e')
->leftJoin('e.Foobar')
->where('e.id = ?', 20)
->execute();
?>
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How to convert a negative number to positive?
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216
>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) ...
Turning a Comma Separated string into individual rows
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270
You can use the wonderful recursive functions from SQL Server:
Sample table:
CREATE TABLE ...