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When is std::weak_ptr useful?
...k = shared_from_this();
timer_.async_wait( [weak](const boost::system::error_code& ec)
{
auto self = weak.lock();
if (self)
{
self->handleTimeout();
}
else
{
std::cout << "Target object no longer exists!\n";...
Left-pad printf with spaces
...
I got error: empty character constant for ''. Shouldn't it be ' '?
– Jin Kwon
Jun 6 '18 at 6:24
...
Is it possible to assign numeric value to an enum in Java?
... default:
return ExitCode.Unknown //Keep an default or error enum handy
}
}
From calling application
int i = 104;
ExitCode serverExitCode = ExitCode.setValue(i);
//You've valid enum from now
[Unable to comment to his answer, hence posting it separately]
...
Adding code to a javascript function programmatically
...t like a jQuery object for example, then yes, some browsers would throw an error
– user1106925
Mar 22 '12 at 21:55
2
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Why does std::getline() skip input after a formatted extraction?
... deal with parsing the line in whatever way makes sense. I think it's less error prone.
– Fred Larson
Aug 19 '16 at 20:35
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Naming convention for Scala constants?
...iolations in my code. But it doesn't seem to catch these naming convention errors for constants. Is there a way to enable a check that ensures constants are named in camel case with the first letter capitalized?
– jithinpt
Nov 22 '16 at 20:09
...
How can I find the location of origin/master in git, and how do I change it?
... It's also possible that you need to run git fetch if you are getting this error after a git pull remote branch. Your refs might be out of date. git fetch fixes that.
– bryan kennedy
Aug 24 '11 at 4:19
...
instantiate a class from a variable in PHP?
...com\company\lib;
//Works fine
$i = new MyClass();
$cname = 'MyClass';
//Errors
//$i = new $cname;
//Works fine
$cname = "com\\company\\lib\\".$cname;
$i = new $cname;
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how to File.listFiles in alphabetical order?
... }
}
} catch (Exception ex) {
logger.error(ex);
ex.printStackTrace();
}
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How does the @property decorator work in Python?
... return self
if self.fget is None:
raise AttributeError("unreadable attribute")
return self.fget(obj)
def __set__(self, obj, value):
if self.fset is None:
raise AttributeError("can't set attribute")
self.fset(obj, value)
def __de...