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Understanding scala enumerations
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0__0__
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What exactly does Perl's “bless” do?
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144
In general, bless associates an object with a class.
package MyClass;
my $object = { };
bless ...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
When sending a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 :
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Finding the index of an item in a list
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4666
>>> ["foo", "bar", "baz"].index("bar")
1
Reference: Data Structures > More on Li...
Cross-Origin Request Headers(CORS) with PHP headers
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edited May 29 '18 at 10:34
answered Jan 3 '12 at 22:10
KAR...
How to toggle a value in Python
... use a conditional expression:
>>> A = [1,2,3]
>>> B = [4,5,6]
>>> x = A
>>> x = B if x == A else A
>>> x
[4, 5, 6]
>>> x = B if x == A else A
>>> x
[1, 2, 3]
>>> x = B if x == A else A
>>> x
[4, 5, 6]
Solution using...
define() vs. const
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edited Apr 9 at 17:41
Bart Kuijper
344 bronze badges
answered Jul 7 '10 at 9:59
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Writing your own STL Container
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Here's a sequence pseudo-container I pieced together from § 23.2.1\4 Note that the iterator_category should be one of std::input_iterator_tag, std::output_iterator_tag,std::forward_iterator_tag,std::bidirectional_iterator_tag,std::random_access_iterator_tag. Also note that the below is tec...
How do I pass a method as a parameter in Python
...od definition.
– Michael Dorst
Aug 24 at 23:54
@MichaelDorst Yes, as far as I remember I was using "method" to be cons...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
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Using GHC 7.0.3, gcc 4.4.6, Linux 2.6.29 on an x86_64 Core2 Duo (2.5GHz) machine, compiling using ghc -O2 -fllvm -fforce-recomp for Haskell and gcc -O3 -lm for C.
Your C routine runs in 8.4 seconds (faster than your run probably because of -O3)...