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What is the difference between DAO and Repository patterns?
... not the other way around, because in OOP we compose domain objects out of one or more data objects, and not the other way around.
– Mihai Danila
Apr 19 '13 at 16:21
8
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Get last element of Stream/List in a one-liner
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Nice one, thanks! Do you by the way know if it is possibly to omit a name (perhaps by using a _ or similar) in cases where you do not need a parameter? So would be: .reduce((_, current) -> current) if only that aws valid syntax...
How to delete a specific line in a file?
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Why does Python not allow us to do this in one line?
– Ooker
Jul 1 '14 at 16:37
5
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C++ SFINAE examples?
...that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE?
9 Answers
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class method generates “TypeError: … got multiple values for keyword argument …”
...f the class is declared thus:
class foo(object):
def foodo(self, thing=None, thong='not underwear'):
print thing if thing else "nothing"
print 'a thong is',thong
it behaves as expected.
Explanation:
Without self as the first parameter, when myfoo.foodo(thing="something") is executed...
Simple argparse example wanted: 1 argument, 3 results
... characters. All I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" .
12 Answer...
Rails: How can I set default values in ActiveRecord?
... in your migration also works part of the time... As has already been mentioned this will not work when you just call Model.new.
Overriding initialize can work, but don't forget to call super!
Using a plugin like phusion's is getting a bit ridiculous. This is ruby, do we really need a plugin just to...
CSS technique for a horizontal line with words in the middle
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After trying different solutions, I have come with one valid for different text widths, any possible background and without adding extra markup.
h1 {
overflow: hidden;
text-align: center;
}
h1:before,
h1:after {
background-color: #000;
content: "";
d...
How do I grant myself admin access to a local SQL Server instance?
...ur only way around this is to limit administrative permissions only to the ones who deserve it..
– yoel halb
Oct 11 '12 at 20:18
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Is there a way to make ellipsize=“marquee” always scroll?
...creen at the same time (like when used in ListView) - because usually only one of them can be focused, but this solution 'tricks' the system by telling it all of them are :) Otherwise for single TextView simpler anwer like stackoverflow.com/a/3510891/258848 should be used.
– di...