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C++ SFINAE examples?
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public:
enum { Yes = sizeof(IsClassT<T>::test<T>(0)) == 1 };
enum { No = !Yes };
};
When IsClassT<int>::Yes is evaluated, 0 cannot be converted to int int::* because int is not a class, so it can't have a member pointer. If SFINAE didn't exist, then you would get a com...
How do I wrap link_to around some html ruby code?
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271
link_to takes a block of code ( >= Rails 2.2) which it will use as the body of the tag.
So, ...
How to use Bash to create a folder if it doesn't already exist?
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edited Aug 25 '16 at 4:17
pcambra
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answered Feb 5 '11 at...
What is the proper way to URL encode Unicode characters?
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answered May 27 '09 at 2:18
John BiesneckerJohn Biesnecker
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Enumerable.Empty() equivalent for IQueryable
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edited Jul 4 '12 at 3:38
Tim Cooper
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How do you grep a file and get the next 5 lines
How do I grep a file for 19:55 and get the Line 1,2,3,4,5?
3 Answers
3
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Why does Python code run faster in a function?
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edited Jun 16 '17 at 14:00
DhiaTN
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argparse store false if unspecified
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177
The store_true option automatically creates a default value of False.
Likewise, store_false w...
Android Studio needs JDK 7 for Android-L mac
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Setting the directory to:
/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home
in JDK settings solved my issue. I had the same problem getting started up. Hope this helps!
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Purpose of Django setting ‘SECRET_KEY’
.../global_settings.py:255:SECRET_KEY = ''
conf/project_template/settings.py:61:SECRET_KEY = ''
contrib/auth/tokens.py:54: hash = sha_constructor(settings.SECRET_KEY + unicode(user.id) +
contrib/comments/forms.py:86: info = (content_type, object_pk, timestamp, settings.SECRET_KEY)
contrib...