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How can I implement a tree in Python?
...I recommend https://pypi.python.org/pypi/anytree (I am the author)
Example
from anytree import Node, RenderTree
udo = Node("Udo")
marc = Node("Marc", parent=udo)
lian = Node("Lian", parent=marc)
dan = Node("Dan", parent=udo)
jet = Node("Jet", parent=dan)
jan = Node("Jan", parent=dan)
joe = Node("Jo...
In plain English, what does “git reset” do?
...t there's no branch pointing to it anymore
Digression: This is different from a checkout. If you'd run git checkout B, you'd get this:
- A - B (HEAD) - C (master)
You've ended up in a detached HEAD state. HEAD, work tree, index all match B, but the master branch was left behind at C. If you mak...
How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
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What is the difference between supervised learning and unsupervised learning? [closed]
...to different groups, e.g. it can distinguish that faces are very different from landscapes, which are very different from horses.
Since another answer mentions it (though, in an incorrect way): there are "intermediate" forms of supervision, i.e. semi-supervised and active learning. Technically, the...
How to assign from a function which returns more than one value?
...into the R logic... what is the "best" way to unpack (on LHS) the results from a function returning multiple values?
13 An...
UIButton inside a view that has a UITapGestureRecognizer
... on its own and prevents the view which has a tabrecognizer attached to it from 'highjacking' the tap. No need to implement a delegate if all you want to do is make a view clickable (to resign first responder / hide the keyboard on textfields etc).. awesome!
– EeKay
...
Using property() on classmethods
...lf - to
extend its __get__ method, or you can
define a descriptor type from scratch
by creating a new-style class that
defines __get__, __set__ and
__delete__ methods.
NOTE: The below method doesn't actually work for setters, only getters.
Therefore, I believe the prescribed solution is...
Understanding prototypal inheritance in JavaScript
... constructing function of an object (SuperCar objects in this case).
Just from the first example, Car.call(this, name) is in the SuperCar constructor function because when you do this:
var mySuperCar = new SuperCar("SuperCar");
This is what JavaScript does:
A fresh, blank object is instantiate...
How to force 'cp' to overwrite directory instead of creating another one inside?
...rce directory does not. This is not an expected behavior of copying files from one place to the other. It only overwrites in the target things that are also in the source, it doesn't touch anything in the target that is not in the source. You can clean the target folder by prepending a command to...
Managing relationships in Laravel, adhering to the repository pattern
...s (or any other use case). Our "implementation" is built around Eloquent.
From a practical point of view, this makes sense. We're unlikely to change data sources to something Eloquent can't handle (to a non-sql data source).
ORMS
The trickiest part of this setup, for me at least, is determing if ...