大约有 15,630 项符合查询结果（耗时：0.0251秒） [XML]
Why does a return in `finally` override `try`?
...// Get DB records etc.
return res.send('try');
} catch(e) {
// log errors
} finally {
return res.send('finally');
}
This code will show the string try in your browser. ALSO, the example will show an error in your console. The res.send() function is called twice. This will happen with an...
When to use extern in C++
...n 2 files include the same header file, it won't link (linker will emit an error about "duplicate symbol")
– kuba
May 2 '12 at 21:44
67
...
How to create an empty file at the command line in Windows?
...one I use is basically the one by Nomad:
.>out.txt
It does give an error:
'.' is not recognized as an internal or external command
But this error is on stderr. And > only redirects stdout, where nothing have been produced.
Hence the creation of an empty file. The error message can be ...
A non well formed numeric value encountered
...o a DB. I am having problems validating this. I keep getting the following errors
9 Answers
...
Proper way to handle multiple forms on one page in Django
... @meteorainer if you use number one, is there a way to pass the errors back to the forms in the parent view that instantiates these, without using either the messages framework or query strings? This answer seems the closest, but here it's still just one view handling both forms: stackove...
In what cases do I use malloc and/or new?
...;
struct foo {
double d[5];
};
int main() {
foo *f1 = malloc(1); // error, no cast
foo *f2 = static_cast<foo*>(malloc(sizeof(foo)));
foo *f3 = static_cast<foo*>(malloc(1)); // No error, bad
}
It's worse than that though. If the type in question is POD (plain old data) then yo...
How do you determine the size of a file in C?
...struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can use this:
#include <sys/stat.h>
#include <sys/ty...
Invalid postback or callback argument. Event validation is enabled using '
I am getting the following error when I post back a page from the client-side. I have JavaScript code that modifies an asp:ListBox on the client side.
...
Swift class introspection & generics
...ft class I tried...
class MyClass {
}
let MyClassRef = MyClass.self
// ERROR :(
let my_obj = MyClassRef()
Hmm… the error says:
Playground execution failed: error: :16:1: error: constructing an object of class type 'X' with a metatype value requires an '@required' initializer
Y().me()
...
Index (zero based) must be greater than or equal to zero
Hey I keep getting an error:
8 Answers
8
...