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Python Empty Generator Function
In python, one can easily define an iterator function, by putting the yield keyword in the function's body, such as:
9 Answ...
Unique constraint on multiple columns
How do I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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How to profile a bash shell script slow startup?
My bash shell takes up to 3-4 seconds to start up, while if I start it with --norc it runs immediately.
7 Answers
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How to convert array values to lowercase in PHP?
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edited Dec 11 '19 at 4:04
answered Jun 13 '12 at 5:03
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What is “lifting” in Scala?
...n the Scala ecosystem I read the term "lifting" / "lifted". Unfortunately, it is not explained what that exactly means. I did some research, and it seems that lifting has something to do with functional values or something like that, but I was not able to find a text that explains what lifting actua...
Input text dialog Android
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Sounds like a good opportunity to use an AlertDialog.
As basic as it seems, Android does not have a built-in dialog to do this (as far as I know). Fortunately, it's just a little extra work on top of creating a standard AlertDialog. You simply need ...
Spring Data JPA find by embedded object property
I want to write a Spring Data JPA repository interface method signature that will let me find entities with a property of an embedded object in that entity. Does anyone know if this is possible, and if so how?
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ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError
7 Answers
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What are some uses of decltype(auto)?
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Return type forwarding in generic code
For non-generic code, like the initial example you gave, you can manually select to get a reference as a return type:
auto const& Example(int const& i)
{
return i;
}
but in generic code you want to be able to perfectly forward a return type...
Check if object value exists within a Javascript array of objects and if not add a new object to arr
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edited Mar 11 '19 at 18:00
answered Apr 3 '14 at 17:21
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