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Interface vs Base class
...ts clause to
the class declaration.
Interfaces are ideal for defining mixins. Loosely speaking, a
mixin is a type that a class can
implement in addition to its “primary
type” to declare that it provides
some optional behavior. For example,
Comparable is a mixin interface that
al...
How can I wait for set of asynchronous callback functions?
...
You haven't been very specific with your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an arr...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...gine things in 3 dimensions, say by bringing the word "Amsterdam" into the mix, and visualize quite well how a document with two references to each would have a vector going in a particular direction, and we can see how this direction would compare to a document citing Paris and London three times e...
Inherit docstrings in Python class inheritance
...
A mixed stile that can preserve both the inherited docstring syntax and the preferred ordering can be:
class X(object):
"""This class has a method foo()."""
def foo(): pass
class Y(X):
""" Also bar()."""
__doc__ = X._...
Best practice: PHP Magic Methods __set and __get [duplicate]
...
I do a mix of edem's answer and your second code. This way, I have the benefits of common getter/setters (code completion in your IDE), ease of coding if I want, exceptions due to inexistent properties (great for discovering typos: ...
Link and execute external JavaScript file hosted on GitHub
...change the linked reference of a local JavaScript file to a GitHub raw version my test file stops working. The error is:
1...
Why did my Git repo enter a detached HEAD state?
... a branch, and get a detach HEAD, except:
it has an explicit --detach option
To check out commit HEAD~3 for temporary inspection or experiment without creating a new branch:
git switch --detach HEAD~3
HEAD is now at 9fc9555312 Merge branch 'cc/shared-index-permbits'
it cannot detached by...
How do you include additional files using VS2010 web deployment packages?
...nstalled, and for me there was a different DependencyProperty. To support mixed teams (and our build server), I had the original CopyAllFilesToSingleFolderForPackageDependsOn configuration and a duplicate using the DependencyProperty CopyAllFilesToSingleFolderForMsdeployDependsOn
...
ReferenceError: event is not defined error in Firefox
...
You're declaring (some of) your event handlers incorrectly:
$('.menuOption').click(function( event ){ // <---- "event" parameter here
event.preventDefault();
var categories = $(this).attr('rel');
$('.pages').hide();
$(categories).fadeIn();
});
You need "event" to be a par...
Why does the arrow (->) operator in C exist?
...hat he's operating on a pointer, just like when the compiler won't let you mix two incompatible types.
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