大约有 15,640 项符合查询结果（耗时：0.0332秒） [XML]
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
... thread that locked it is undefined behavior, while doing the same with an error checking or recursive mutex results in a predicable error code. Other systems and standards might behave very different.
– nos
Aug 6 '12 at 21:26
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How to add a second css class with a conditional value in razor MVC 4
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The 2nd option causes the error The "div" element was not closed
– intrepidis
Apr 15 '15 at 14:55
6
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Capture screenshot of active window?
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@joe i get a GDI+ error when trying to run above code. the error occurs in the ScreenCpature class at saving images.
– hurnhu
Apr 11 '14 at 16:52
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Why does an NSInteger variable have to be cast to long when used as a format argument?
The code above produces an error:
5 Answers
5
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...in seeing this code:
struct foo *s = ...;
int x = s->f;
if (!s) return ERROR;
gcc inferred that since s was deferenced in s->f; and since dereferencing a null pointer is undefined behavior then s must not be null and therefore optimizes away the if (!s) check on the next line.
The lesson ...
Set cURL to use local virtual hosts
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I'm getting 400 errors with PHP and when I manually make the request with curl.exe I get the default index of the server which means it's not respecting the HOST header.
– Xeoncross
Aug 11 '10 at 15:29
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How to pip install a package with min and max version range?
...ersioning works wouldn't write ~=0.2.1 in a requirements file. That's user error, not a disadvantage of the ~= prefix.
– Brad Root
Nov 7 '19 at 18:15
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What's the pythonic way to use getters and setters?
..._value(self, value):
if value != int(value):
raise TypeError("protected_value must be an integer")
if 0 <= value <= 100:
self._protected_value = int(value)
else:
raise ValueError("protected_value must be " +
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MVC (Laravel) where to add logic
... }
catch (ValidationException $e)
{
// Catch validation errors thrown by service operation.
return Redirect::route('congregations.create')
->withInput(Input::all())
->withErrors($e->getValidator());
}
catch (Exception $e)
{
...
Prevent direct access to a php include file
... be using as exclusively as an include. Therefore I would like to throw an error instead of executing it when it's accessed directly by typing in the URL instead of being included.
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