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No == operator found while comparing structs in C++
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@Xeo: memcmp fails with non-POD members (like std::string) and padded structures.
– fredoverflow
Apr 21 '11 at 8:07
16
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PHP code to remove everything but numbers
I'm trying to remove everything from a string but just numbers (0-9).
4 Answers
4
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Why can't I initialize non-const static member or static array in class?
...ypes?
C++03 3.9.1 Fundamental types
§7
Types bool, char, wchar_t, and the signed and unsigned integer types are collectively called integral types.43) A synonym for integral type is integer type.
Footnote:
43) Therefore, enumerations (7.2) are not integral; how...
Mongoose populate after save
...: 'User',
get: get_creator,
set: set_creator
},
description: String,
});
NOTE: I didn't test it and it might work strangely with .populate and when setting pure id.
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Why do we copy then move?
...vided a viable move constructor exists) rather than being copied. And std::string does have a move constructor.
Unlike in C++03, in C++11 it is often idiomatic to take parameters by value, for the reasons I am going to explain below. Also see this Q&A on StackOverflow for a more general set of ...
iOS: UIButton resize according to text length
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In UIKit, there are additions to the NSString class to get from a given NSString object the size it'll take up when rendered in a certain font.
Docs was here. Now it's here under Deprecated.
In short, if you go:
CGSize stringsize = [myString sizeWithFont:[UIFon...
Inspect hovered element in Chrome?
...t is far and beyond better than the rest. This is simple and easy without extra scripts.
– Alexander Dixon
Jan 6 '17 at 20:06
2
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Count Rows in Doctrine QueryBuilder
...3600)
->getSingleScalarResult();
}
In some simple cases using EXTRA_LAZY entity relations is good
http://doctrine-orm.readthedocs.org/projects/doctrine-orm/en/latest/tutorials/extra-lazy-associations.html
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Hibernate SessionFactory vs. JPA EntityManagerFactory
...lback method annotations like @PrePersist, @PostPersist,@PreUpdate with no extra configuration.
Using similar callbacks while using SessionFactory will require extra efforts.
Related Hibernate docs can be found here and here.
Related SOF Question and Spring Forum discussion
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How to reload/refresh an element(image) in jQuery
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Adding a query string variable completely passed my mind. This solved it and the image now reloads on request.
– Alexis Abril
Jan 21 '10 at 16:17
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