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Should I pass a shared_ptr by reference? [duplicate]
What are the best practices for passing a shared_ptr?
3 Answers
3
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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This is the best answer, if you show the execution plan you will see one step less with this query
– TlmaK0
Aug 10 '16 at 11:40
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Callback to a Fragment from a DialogFragment
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TargetFragment solution doesn't seem the best option for dialog fragments because it may create IllegalStateException after application get destroyed and recreated. In this case FragmentManager couldn't find the target fragment and you will get an IllegalStateExcept...
How can I dynamically create derived classes from a base class
...Class):
def __init__(self, **kwargs):
for key, value in kwargs.items():
# here, the argnames variable is the one passed to the
# ClassFactory call
if key not in argnames:
raise TypeError("Argument %s not valid for %s"
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How is null + true a string?
...les of §7.5.3 are applied to the set of candidate operators to select the best operator with respect to the argument list (x, y), and this operator becomes the result of the overload resolution process. If overload resolution fails to select a single best operator, a binding-time error occurs.
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Hibernate: hbm2ddl.auto=update in production?
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No, it's unsafe.
Despite the best efforts of the Hibernate team, you simply cannot rely on automatic updates in production. Write your own patches, review them with DBA, test them, then apply them manually.
Theoretically, if hbm2ddl update worked in dev...
“Least Astonishment” and the Mutable Default Argument
...or a dictionary: if the function modifies the object (e.g. by appending an item to a list), the default value is in effect modified. This is generally not what was intended. A way around this is to use None as the default, and explicitly test for it in the body of the function, e.g.:
def whats_on_t...
What kind of Garbage Collection does Go use?
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@uriel: Yes, I mentioned this in the 1st item in my answer - the text "(parallel implementation)".
– user811773
Oct 20 '11 at 19:38
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How to use CSS to surround a number with a circle?
...move the span and add the text-align and line-height to the div. Still the best answer probably.
– dlsso
Nov 22 '17 at 21:38
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How to prevent SIGPIPEs (or handle them properly)
...g to that socket will cause a SIGPIPE and make my server crash. What's the best practice to prevent the crash here? Is there a way to check if the other side of the line is still reading? (select() doesn't seem to work here as it always says the socket is writable). Or should I just catch the SIGPIP...