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C++ Returning reference to local variable
... get rid of it
}
Typically you would wrap the pointer in some RAII class and/or a factory function so you don't have to delete it yourself.
In either case, you can just return the value itself (although I realize the example you provided was probably contrived):
int func3()
{
return 1;
}
in...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
I know, there are many different questions and so many answers about this problem... But I can't understand...
18 Answers
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Extracting the last n characters from a string in R
...se R, but it's straight-forward to make a function to do this using substr and nchar:
x <- "some text in a string"
substrRight <- function(x, n){
substr(x, nchar(x)-n+1, nchar(x))
}
substrRight(x, 6)
[1] "string"
substrRight(x, 8)
[1] "a string"
This is vectorised, as @mdsumner point...
How to define a List bean in Spring?
...gt;
</util:list>
The value-type is the generics type to be used, and is optional. You can also specify the list implementation class using the attribute list-class.
share
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How to save a dictionary to a file?
I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field.
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How can I tell who forked my repository on GitHub?
...can see the number of forks, but I'd like to know who forked my repository and what kind of changes they made to it.
3 Answ...
Purpose of #!/usr/bin/python3
...ey would start with #!/usr/bin/python3 on the first line. I don't understand why we have this.
6 Answers
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Converting camel case to underscore case in ruby
...ls so you can't call underscore by default, but by providing the code used and citing rails as the source this answer is a good one for ruby, It says you can include rails, or just include this function that the rails team wrote and have tested.
– Michael Gorman
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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How to disable Golang unused import error
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If you add the underscore to "fmt" in Gogland, it automatically adds "fmt" so that you have both _"fmt" and "fmt", which renders it useless in this IDE
– kramer65
Sep 8 '17 at 8:54
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