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Inheriting from a template class in c++
...mplate class Area , which has a member variable T area , a T getArea() and a void setArea(T) member functions.
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message.
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In Django, how does one filter a QuerySet with dynamic field lookups?
...endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very common and useful Python idiom.
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What is an 'endpoint' in Flask?
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How Flask Routing Works
The entire idea of Flask (and the underlying Werkzeug library) is to map URL paths to some logic that you will run (typically, the "view function"). Your basic view is defined like this:
@app.route('/greeting/<name>')
def give_greeting(name):
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Boolean operators && and ||
According to the R language definition , the difference between & and && (correspondingly | and || ) is that the former is vectorized while the latter is not.
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Why can I access private variables in the copy constructor?
...eiterating what behaviour's valid. "access modifiers work on class level, and not on object level." - yes, but why?
The overarching concept here is that it's the programmer(s) designing, writing and maintaining a class who is(are) expected to understand the OO encapsulation desired and empowered t...
How to create a new file together with missing parent directories?
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@NikkyD I'm sorry, I don't quite understand your comment. In my answer, I'm not saying you're not including a path, but that the path passed may not include parent directories. There is also an example for such a path in the answer.
– Zoltán
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How do I programmatically shut down an instance of ExpressJS for testing?
...call - how do I get an Express server to STOP listening, release the port, and shutdown cleanly?
5 Answers
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Is is possible to check if an object is already attached to a data context in Entity Framework?
...eing attached. Calling CreateEntityKey on the context makes sure it's nice and generic and will work even with composite keys with no further coding (because EF can already do that for us!).
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How do I append text to a file?
... into the file. CTRL-D sends an end-of-file signal, which terminates input and returns you to the shell.
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