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How do you add a timer to a C# console application
...: " + DateTime.Now);
// Force a garbage collection to occur for this demo.
GC.Collect();
}
}
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Java - sending HTTP parameters via POST method easily
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64
I couldn't get Alan's example to actually do the post, so I ended up with this:
String urlPara...
How to determine a Python variable's type?
...ring for the type.
e.g.
In [9]: var = 123
In [10]: var?
Type: int
Base Class: <type 'int'>
String Form: 123
Namespace: Interactive
Docstring:
int(x[, base]) -> integer
Convert a string or number to an integer, if possible. A floating point argument will be truncated towa...
How to “perfectly” override a dict?
... write an object that behaves like a dict quite easily with ABCs (Abstract Base Classes) from the collections.abc module. It even tells you if you missed a method, so below is the minimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMappi...
How to measure code coverage in Golang?
... CL pending, but the cov binary time stamp I see in ~/go/pkg/tool/linux_amd64 matches my last Go build of yesterday.
– zzzz
May 9 '12 at 13:47
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Which version of C# am I using
...ger the case. The latest C# compiler determines a default language version based on your project's target framework or frameworks..... NET Framework version all, C# language version default: C# 7.3. The language version is now dynamic. If you create a project today in VS2019 targeting .NET Framewor...
Why do we have to normalize the input for an artificial neural network?
...Cannot inc LR, since it will skip the local min in the other dim (w1). See demo at youtube.com/watch?reload=9&v=UIp2CMI0748
– Dekel
Nov 27 '19 at 13:26
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AngularJs: How to check for changes in file input fields?
... el.val("");
}
});
}
};
}]);
Demo
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Event system in Python
...even source classes to derive from pydispatch.Dispatcher.
buslane is class-based, supports single- or multiple handlers and facilitates extensive type hints.
Pithikos' Observer/Event is a lightweight design.
Publish-subscribe libraries:
blinker has some nifty features such as automatic disconnecti...
How do I filter ForeignKey choices in a Django ModelForm?
...rgs)
# access object through self.instance...
self.fields['base_rate'].queryset = Rate.objects.filter(company=self.instance.company)
class ClientAdmin(admin.ModelAdmin):
form = ClientAdminForm
....
You don't need to specify this in a form class, but can do it directly in t...