大约有 6,261 项符合查询结果(耗时:0.0344秒) [XML]
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
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@ChrisMiddleton: A method void UseCar(Car &foo); cannot be expected to include disambiguation between ToyotaCar::Drive and HybridCar::Drive (since it should often neither know nor care that those other types even exist). A language could, as C++ does, require that co...
What exactly do “u” and “r” string flags do, and what are raw string literals?
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Note that ru"C:\foo\unstable" will fail because \u is a unicode escape sequence in ru mode. r mode does not have \u.
– Curtis Yallop
Jun 9 '14 at 16:08
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Is the practice of returning a C++ reference variable evil?
...t, eg, operator<<: that must return a reference, or
cout << "foo" << "bar" << "bletch" << endl ;
won't work.
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django: BooleanField, how to set the default value to true?
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from django.db import models
class Foo(models.Model):
any_field = models.BooleanField(default=True)
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Where should signal handlers live in a django project?
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In my case I want to listen to a signal of model Foo which is part of fooapp. But the signal receiver is an extension and does live in an different app (for example otherapp).
– guettli
May 6 '14 at 8:02
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How does Task become an int?
... @JonSkeet But it doesn't make sense without the await - with T foo = someTaskT; you'd get "Cannot implicitly convert type Task<T> to T" - in the same way I argue that it would make more sense to have a keyword for the inverse (wrapping in Task<T>). I'm all for removing fluff ...
When to use a linked list over an array/array list?
... fastest practical priority queue structures.
– Fred Foo
Jun 4 '13 at 13:29
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Why do you have to link the math library in C?
... so your "stdmath" remark doesn't make sense.
– Fred Foo
Nov 14 '11 at 9:36
@FredFoo The types and interfaces were sta...
Why does ++[[]][+[]]+[+[]] return the string “10”?
... example, the following
Array.prototype.toString = function() {
return "foo";
};
++[[]][+[]]+[+[]]
... produces "NaNfoo". Why this happens is left as an exercise for the reader...
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How to use hex color values
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for completeness: let foo: Int = 0x123ABC - note the '0x'
– Carsten
Apr 5 '16 at 14:34
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