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Difference between `const shared_ptr` and `shared_ptr`?
...t; sA(new A);
shared_ptr<A> sA2(new A);
sA = sA2; // compile-error
return sA;
}
shared_ptr<A> f2() {
shared_ptr<const A> sA(new A);
sA->a = 4; // compile-error
return sA;
}
int main(int argc, char** argv) {
f1();
f2();
return 0;
}
...
What are five things you hate about your favorite language? [closed]
...tc.
It's nearly impossible to debug because there are only a few different error messages and a few different types (Number, String, Object, etc.)
If it wasn't for jQuery, I'd probably still hate it as much as I used to :)
...
When use getOne and findOne methods Spring Data JPA
...e getOne() to handle an instance that does not exist in the database as an error situation may be never performed while the entity is not existing.
In any case, to ensure its loading you have to manipulate the entity while the session is opened. You can do it by invoking any method on the entity.
O...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
I am getting an interesting error while trying to use Unpickler.load() , here is the source code:
7 Answers
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How can I prevent SQL injection in PHP?
...ute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
In the above example the error mode isn't strictly necessary, but it is advised to add it. This way the script will not stop with a Fatal Error when something goes wrong. And it gives the developer the chance to catch any error(s) which are thrown as...
Troubleshooting “The use statement with non-compound name … has no effect”
Getting this error when I put use Blog; at the top.
5 Answers
5
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Unable to execute dex: GC overhead limit exceeded in Eclipse
...ed the Git project OsmAnd and went to compile it,
Eclipse returned these errors:
9 Answers
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How to make --no-ri --no-rdoc the default for gem install?
...d Ruby that I copied & pasted at some point and then resulted in psych errors while installing RubyGems 1.8.10 under Ruby 1.9.2.
– stevenhaddox
Sep 3 '11 at 15:02
17
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Why is the gets function so dangerous that it should not be used?
... head the trouble off sooner rather than later. I'd be prepared to add an error message:
fputs("obsolete and dangerous function gets() called\n", stderr);
Modern versions of the Linux compilation system generates warnings if you link gets() — and also for some other functions that also have s...
What are Aggregates and PODs and how/why are they special?
.... The notion of aggregates is essential for defining PODs. If you find any errors (even minor, including grammar, stylistics, formatting, syntax, etc.) please leave a comment, I'll edit.
This answer applies to C++03. For other C++ standards see:
C++11 changes
C++14 changes
C++17 changes
What a...