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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
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SumantSumant
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Django filter queryset __in for *every* item in list
...lter(Q(tags__name='holiday') & Q(tags__name='summer'))
Out[10]: []
In [11]: from operator import and_
In [12]: Photo.objects.filter(reduce(and_, [Q(tags__name='holiday'), Q(tags__name='summer')]))
Out[12]: []
Resulting query:
In [25]: print Photo.objects.filter(Q(tags__name='holiday') & Q...
Which C++ idioms are deprecated in C++11?
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Final Class: C++11 provides the final specifier to prevent class derivation
C++11 lambdas substantially reduce the need for named function object (functor) classes.
Move Constructor: The magical ways in which std::auto_ptr works are no longe...
Fill remaining vertical space with CSS using display:flex
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answered Aug 2 '14 at 19:11
G-CyrillusG-Cyrillus
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For every character in string
...he characters of a std::string, using a range-based for loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta):
std::string str = ???;
for(char& c : str) {
do_things_with(c);
}
Looping through the characters of a std::string with iterators:
std::stri...
Forward declaring an enum in C++
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KJAWolfKJAWolf
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Rspec: “array.should == another_array” but without concern for order
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Since RSpec 2.11 you can also use match_array.
array.should match_array(another_array)
Which could be more readable in some cases.
[1, 2, 3].should =~ [2, 3, 1]
# vs
[1, 2, 3].should match_array([2, 3, 1])
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C++11 rvalues and move semantics confusion (return statement)
I'm trying to understand rvalue references and move semantics of C++11.
6 Answers
6
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Enabling ProGuard in Eclipse for Android
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ligiligi
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What does LINQ return when the results are empty
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leppieleppie
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