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Deep cloning objects
...you can't know which kind of cloning the underlying object performs. (And XML comments won't make it clear, because you'll get the interface comments rather than the ones on the object's Clone method.)
What I usually do is simply make a Copy method that does exactly what I want.
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Paging in a Rest Collection
...ng-rest-web-services Another site revolved around Ruby's usage of .json, .xml, .whatever in determining the content type of a request. Some of the examples: * language - putting it in the URL means sending the link to another country would render it in the wrong language. * pagination - Putting i...
Why have header files and .cpp files? [closed]
...rmat at all, get always distributed in source form and compile on the fly (Python, Perl).
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Get only part of an Array in Java?
...n array of Integers in Java, I would like use only a part of it. I know in Python you can do something like this array[index:] and it returns the array from the index. Is something like this possible in Java.
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Django REST Framework: adding additional field to ModelSerializer
...to, return the following:
return {
self.field_name: 'Any python object made with data: %s' % data
}
class MyModelSerializer(serializers.ModelSerializer):
my_extra_field = ExtraFieldSerializer(source='*')
class Meta:
model = MyModel
fields = ['id', ...
How to find a Java Memory Leak
... to your application classes. This will give a pretty good hint. Here is a pythons script that can help you compare two jmap histogram dumps. histogramparser.py
Finally tools like JConolse and VisualVm are essential to see the memory growth over time, and see if there is a memory leak. Finally som...
Efficiently convert rows to columns in sql server
... group by ColumnName, id
order by id
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = N'SELECT ' + @cols + N' from
(
select value, ColumnName
from yourtable
) x...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
..., because () doesn't mean anything (and even if did, like empty tuple (see Python), it would be one argument, not zero). Practically that means you cannot use shorthand syntax without using C++11's {} syntax, as there are no expressions to put in parenthesis, and C grammar for function declarations ...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointers to objects on the heap.
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How to redirect output to a file and stdout
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Note that python has a built in option -u that unbuffers output.
– fabian789
Apr 18 '16 at 15:31
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