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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
What are some good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
4 Ans...
What does “coalgebra” mean in the context of programming?
...structures which is pretty much incomprehensible to me. Can anyone please explain what coalgebras mean in the context of programming, what is their significance, and how they relate to objects and comonads?
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Error to install Nokogiri on OSX 10.9 Maverick?
I upgraded my OSX (Lion) to Mavericks and I can't install Nokogiri for my projects.
30 Answers
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Why do objects of the same class have access to each other's private data?
... meaningful per-object access control at compile time". Why not? In void X::f(X&x), the compiler is easily capable of distinguishing this->a and x.a. It's not (always) possible for the compiler to know that *this and x are actually the same object if x.f(x) is invoked, but I could very well...
What is a simple/minimal browserconfig.xml for a web site
...on't want to see the 404 Not Found messages as IE looks for browserconfig.xml scrolling by in my log files.
6 Answers
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Explain Morris inorder tree traversal without using stacks or recursion
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If I am reading the algorithm right, this should be an example of how it works:
X
/ \
Y Z
/ \ / \
A B C D
First, X is the root, so it is initialized as current. X has a left child, so X is made the rightmost right child of X's left subtree -- the immediat...
Difference between doseq and for in Clojure
What's the difference between doseq and for in Clojure? What are some examples of when you would choose to use one over the other?
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How do I do a not equal in Django queryset filtering?
...hem but it seems they can be negated and combined much like normal python expressions.
Update: I Just tried it out, it seems to work pretty well:
>>> from myapp.models import Entry
>>> from django.db.models import Q
>>> Entry.objects.filter(~Q(id = 3))
[<Entry: Entry ...
Index all *except* one item in python
Is there a simple way to index all elements of a list (or array, or whatever) except for a particular index? E.g.,
9 An...
Expert R users, what's in your .Rprofile? [closed]
...Hook(packageEvent("grDevices", "onLoad"),
function(...) grDevices::X11.options(width=8, height=8,
xpos=0, pointsize=10,
#type="nbcairo")) # Cairo device
#...