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How do you make a deep copy of an object?
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Just use kryo: github.com/EsotericSoftware/kryo#copyingcloning benchmark slideshare.net/AlexTumanoff/serialization-and-performance
– zengr
Sep 21 '15 at 20:22
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Can I store images in MySQL [duplicate]
... server if they're on different hosts.
I've worked at startups, mid-size companies and large technology companies with 400K+ employees. In my 13 years of professional experience, I've never seen anyone store images in a database. I say this to support the statement it is an uncommon practice.
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Purpose of Activator.CreateInstance with example?
... edited May 23 '17 at 12:34
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answered Sep 29 '11 at 13:58
deepee1deepee1
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How can I get the source code of a Python function?
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return a
But I believe that if the function is compiled from a string, stream or imported from a compiled file, then you cannot retrieve its source code.
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C/C++ maximum stack size of program
...e at most ~100 bytes which should be sufficient for a DFS algorithm.
Most compilers including Visual Studio let you specify the stack size. On some (all?) linux flavours the stack size isn't part of the executable but an environment variable in the OS. You can then check the stack size with ulimit ...
Can “this” ever be null in Java?
...ennyTM: it is sufficient in Java. If you're using the this keyword and it compiles, it's not null when you observe it. But as others say that doesn't prevent an NPE when trying to invoke the method, e.g. But that's completely out of your control as a method and a null check within the method isn'...
Creating a singleton in Python
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Use a Metaclass
I would recommend Method #2, but you're better off using a metaclass than a base class. Here is a sample implementation:
class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._inst...
Calculate distance between two points in google maps V3
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getActivity() returns null in Fragment function
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commit schedules the transaction, i.e. it doesn't happen straightaway but is scheduled as work on the main thread the next time the main thread is ready.
I'd suggest adding an
onAttach(Activity activity)
method to your ...
What is the proper way to display the full InnerException?
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