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Abstract classes in Swift Language
...e a way to create an abstract class in the Swift Language, or is this a limitation just like Objective-C? I'd like to create a abstract class comparable to what Java defines as an abstract class.
...
Backbone View: Inherit and extend events from parent
...: 'onclick'
},
//Override this event hash in
//a child view
additionalEvents: {
},
events : function() {
return _.extend({},this.originalEvents,this.additionalEvents);
}
});
var ChildView = ParentView.extend({
additionalEvents: {
'click' : ' onclickChild'
}
})...
Recommended way of making React component/div draggable
I want to make a draggable (that is, repositionable by mouse) React component, which seems to necessarily involve global state and scattered event handlers. I can do it the dirty way, with a global variable in my JS file, and could probably even wrap it in a nice closure interface, but I want to kno...
Parse a .py file, read the AST, modify it, then write back the modified source code
I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file).
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How do you detect where two line segments intersect? [closed]
... can find t and u such that:
p + t r = q + u s
Cross both sides with s, getting
(p + t r) × s = (q + u s) × s
And since s × s = 0, this means
t (r × s) = (q − p) × s
And therefore, solving for t:
t = (q − p) × s / (r × s)
In the same way, we can solve for ...
Run certain code every n seconds [duplicate]
...?
For example, the program would go through whatever code I had, then once it had been 5 seconds (with time.sleep() ) it would execute that code. I would be using this to update a file though, not print Hello World.
...
Pass a parameter to a fixture function
...# test_parameterized_fixture.py
import pytest
class MyTester:
def __init__(self, x):
self.x = x
def dothis(self):
assert self.x
@pytest.fixture
def tester(request):
"""Create tester object"""
return MyTester(request.param)
class TestIt:
@pytest.mark.parametri...
“Pretty” Continuous Integration for Python
...
You might want to check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use another CI ...
Bring element to front using CSS
...es to front using CSS . I've already tried setting z-index to 1000 and position to relative, but it still fails.
4 Answers...
What's the canonical way to check for type in Python?
...iven object is of a given type? How about checking whether the object inherits from a given type?
13 Answers
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