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How to import classes defined in __init__.py
...'.
.
| `-- import_submodule.py
`-- lib
|-- __init__.py
|-- foo
| |-- __init__.py
| `-- someobject.py
|-- helper.py
`-- settings.py
2 directories, 6 files
The command:
$ python import_submodule.py
Output:
settings
helper
Helper in lib.settings
someobject
Hel...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
...ash!" << std::endl;
Bar();
}
virtual void Foo() = 0;
void Bar()
{
Foo();
}
};
struct D: public B
{
void Foo()
{
}
};
B* b = new D;
// Just to silence the warning C4...
Two way/reverse map [duplicate]
.../ 2
And it works like so:
>>> d = TwoWayDict()
>>> d['foo'] = 'bar'
>>> d['foo']
'bar'
>>> d['bar']
'foo'
>>> len(d)
1
>>> del d['foo']
>>> d['bar']
Traceback (most recent call last):
File "<stdin>", line 7, in <module>
...
Short description of the scoping rules?
...es module: open, range, SyntaxError, etc
So, in the case of
code1
class Foo:
code2
def spam():
code3
for code4:
code5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: Local in def spam (in code3, code4, an...
What is “rvalue reference for *this”?
...-member functions? Operator overloading, that's why. Consider this:
struct foo{
foo& operator<<(void*); // implementation unimportant
};
foo& operator<<(foo&, char const*); // implementation unimportant
You'd certainly want the following to call the free function, don't y...
Converting an object to a string
... This doesn't work if the object has a function property, eg: foo: function () {...}.
– Brock Adams
Sep 29 '12 at 14:54
...
When should I use @classmethod and when def method(self)?
...mation about the instance or class on which it was called.
In [6]: class Foo(object): some_static = staticmethod(lambda x: x+1)
In [7]: Foo.some_static(1)
Out[7]: 2
In [8]: Foo().some_static(1)
Out[8]: 2
In [9]: class Bar(Foo): some_static = staticmethod(lambda x: x*2)
In [10]: Bar.some_static...
How do I trim a file extension from a String in Java?
...ething that can be easily done with a single line.
– foo
Sep 3 '18 at 9:40
add a comment
|
...
Difference between timestamps with/without time zone in PostgreSQL
...ime zone.
Here are examples covering the combinations of those factors:
foo=> SET TIMEZONE TO 'Japan';
SET
foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP;
timestamp
---------------------
2011-01-01 00:00:00
(1 row)
foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP WITH TIME ZONE...
Blocks and yields in Ruby
...rguments, if needed. Consider this example method that demonstrates:
def foo(x)
puts "OK: called as foo(#{x.inspect})"
yield("A gift from foo!") if block_given?
end
foo(10)
# OK: called as foo(10)
foo(123) {|y| puts "BLOCK: #{y} How nice =)"}
# OK: called as foo(123)
# BLOCK: A gift from foo!...