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const vs constexpr on variables
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I believe there is a difference. Let's rename them so that we can talk about them more easily:
const double PI1 = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a...
How to specify function types for void (not Void) methods in Java8?
I'm playing around with Java 8 to find out how functions as first class citizens. I have the following snippet:
4 Answers
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Directive isolate scope with ng-repeat scope in AngularJS
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Okay, through a lot of the comments above, I have discovered the confusion. First, a couple of points of clarification:
ngRepeat does not affect your chosen isolate scope
the parameters passed into ngRepeat for use on your directive's attributes do use...
Is there a way to pass optional parameters to a function?
Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed"
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How to use Sphinx's autodoc to document a class's __init__(self) method?
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Here are three alternatives:
To ensure that __init__() is always documented, you can use autodoc-skip-member in conf.py. Like this:
def skip(app, what, name, obj, would_skip, options):
if name == "__init__":
return False
return would_skip
def setup(app):
app.connect("auto...
What really happens in a try { return x; } finally { x = null; } statement?
I saw this tip in another question and was wondering if someone could explain to me how on earth this works?
5 Answers
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In Django, how does one filter a QuerySet with dynamic field lookups?
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Python's argument expansion may be used to solve this problem:
kwargs = {
'{0}__{1}'.format('name', 'startswith'): 'A',
'{0}__{1}'.format('name', 'endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very common and use...
Is AngularJS just for single-page applications (SPAs)?
...rying to evaluate a tool that will work for us and give us the best platform to move forward.
5 Answers
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How can I exclude some folders from my Eclipse project?
I'm adding an eclipse project to our existing code-base, and I'd like to know if there is a way to exclude some directories from being picked up by eclipse at all? The reason is that we have a huge "third-party" directory in our repository that cannot be present in the project for the pair-program...
Can I pass an array as arguments to a method with variable arguments in Java?
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The underlying type of a variadic method function(Object... args) is function(Object[] args). Sun added varargs in this manner to preserve backwards compatibility.
So you should just be able to prepend extraVar to args and call String.format(format, args).
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