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Is a `=default` move constructor equivalent to a member-wise move constructor?
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has_nonmovable d(std::move(c)); // prints copy
}
It prints:
copy
http://coliru.stacked-crooked.com/a/62c0a0aaec15b0eb
You declared defaulted move constructor, but copying happens instead of moving. Why? Because if a class has even a single non-movable member then the explicitly defaulted ...
std::function and std::bind: what are they, and when should they be used?
...nt you to these two links for further details:
Lambda functions in C++11:
http://www.nullptr.me/2011/10/12/c11-lambda-having-fun-with-brackets/#.UJmXu8XA9Z8
Callable entity in C++:
http://www.nullptr.me/2011/05/31/callable-entity/#.UJmXuMXA9Z8
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Difference between attr_accessor and attr_accessible
...h your user view doesn't show a "role" field, a pirate could easily send a HTTP POST request that include "role" in the params hash. The missing "role" attribute on the attr_accessible is to protect your application from that.
You can still modify your user.role attribute on its own like below, but...
Can pandas automatically recognize dates?
...das read_csv method is great for parsing dates. Complete documentation at http://pandas.pydata.org/pandas-docs/stable/generated/pandas.io.parsers.read_csv.html
you can even have the different date parts in different columns and pass the parameter:
parse_dates : boolean, list of ints or names, lis...
How to remove new line characters from a string?
I have a string in the following format
11 Answers
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How to return 2 values from a Java method?
I am trying to return 2 values from a Java method but I get these errors. Here is my code:
14 Answers
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@Autowired and static method
I have @Autowired service which has to be used from within a static method. I know this is wrong but I cannot change the current design as it would require a lot of work, so I need some simple hack for that. I can't change randomMethod() to be non-static and I need to use this autowired bean. An...
Turning a Comma Separated string into individual rows
I have a SQL Table like this:
16 Answers
16
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Split a List into smaller lists of N size
I am attempting to split a list into a series of smaller lists.
17 Answers
17
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Practical example where Tuple can be used in .Net 4.0?
I have seen the Tuple introduced in .Net 4 but I am not able to imagine where it can be used. We can always make a Custom class or Struct.
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