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When do we have to use copy constructors?
I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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What does Docker add to lxc-tools (the userspace LXC tools)?
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is this still true now that Docker's got libcontainer (that its not a replacement)?
– Garet Claborn
May 1 '14 at 5:22
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When use getOne and findOne methods Spring Data JPA
... defined in the CrudRepository interface as :
T findOne(ID primaryKey);
Now, the single findOne() method that you will find in CrudRepository is which one defined in the QueryByExampleExecutor interface as :
<S extends T> Optional<S> findOne(Example<S> example);
That is imple...
Bootstrap 3 Glyphicons are not working
...urs of effort, and almost rage quitting my career, I found this answer and now I have working glyphicons again. Thank you!!
– dohpaz42
Oct 24 '15 at 18:22
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What is the “__v” field in Mongoose
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@talentedmrjones @wprl That is exactly what I'm doing now, but I wanted something that I could put in the Schema directly so in all queries.
– diosney
Mar 24 '14 at 11:52
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Setting log level of message at runtime in slf4j
...), I think the pragmatic solution is modify the unit test(s) to hard-wire knowledge of what logging system is behind the slf4j facade ... when running the unit tests.
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
How does Facebook Sharer select Images and other metadata when sharing my URL?
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Minimum image size is now 200x200px.
– Tr1stan
Jun 20 '13 at 16:49
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PHP YAML Parsers [closed]
Does anyone know of a good YAML Parser for PHP? If so, what are the pros and cons of this library?
8 Answers
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Java 8 stream's .min() and .max(): why does this compile?
...unctionality works in Java 8. It relies on a concept which is informally known as "single abstract method" interfaces, or "SAM" interfaces. The idea is that any interface with one abstract method can be automatically implemented by any lambda - or method reference - whose method signature is a mat...