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Closure in Java 7 [closed]
...s lots of information to get you started as well as videos. An here is an em>x m>cellent Google talk - Advanced Topics In Programming Languages - Closures For Java with Neal Gafter, as well.
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Fastest hash for non-cryptographic uses?
...to store a short hash of them instead (I will be simply comparing if they em>x m>ist or not, so hash is ideal).
13 Answers
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How to get the mouse position without events (without moving the mouse)?
...with a div that covers the whole document. Inside that, create (say) 2,000 m>x m> 2,000 <a> elements (so that the :hover pseudo-class will work in IE 6, see), each 1 pim>x m>el in size. Create a CSS :hover rule for those <a> elements that changes a property (let's say font-family). In your load ha...
In Functional Programming, what is a functor?
...ready understands the term. Looking around on the web has provided either em>x m>cessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ).
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Sum a list of numbers in Python
...ent 1 + element 2) / 2, ... etc.
We make two lists: one of every element em>x m>cept the first, and one of every element em>x m>cept the last. Then the averages we want are the averages of each pair taken from the two lists. We use zip to take pairs from two lists.
I assume you want to see decimals in the r...
Ignore python multiple return value
...uple you wish to ignore. For instance:
def f():
return 1, 2, 3
_, _, m>x m> = f()
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How to leave a message for a github.com user
...f the change or the one who accepted it.
Provided you're really dying to em>x m>change with user user_test
Display the public activity page of the user: https://github.com/user_test?tab=activity
Search for an event stating "user_test pushed to [branch] at [repository]". There are usually good chances,...
What's the difference between a proc and a lambda in Ruby?
...rguments passed to it. From ri Kernel#lambda:
Equivalent to Proc.new, em>x m>cept the resulting Proc objects check the number of parameters passed when called.
An em>x m>ample:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0m>x m>3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodEr...
Update Git submodule to latest commit on origin
... your submodules to each check out the commit already specified in the indem>x m> of the superproject. If you want to update your submodules to the latest commit available from their remote, you will need to do this directly in the submodules.
So in summary:
# Get the submodule initially
git submodule ...
Counting the number of True Booleans in a Python List
...True)
2
This is actually more efficient than sum, as well as being more em>x m>plicit about the intent, so there's no reason to use sum:
In [1]: import random
In [2]: m>x m> = [random.choice([True, False]) for i in range(100)]
In [3]: %timeit m>x m>.count(True)
970 ns ± 41.1 ns per loop (mean ± std. dev. of...