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Shortcut to create properties in Visual Studio?
...rty.
– Adnan Bhatti
Feb 24 '13 at 4:27
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*.h or *.hpp for your class definitions
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Here are a couple of reasons for having different naming of C vs C++ headers:
Automatic code formatting, you might have different guidelines for formatting C and C++ code. If the headers are separated by extension you can set your editor to apply the appropriate formatting automatical...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
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I experienced the same problem in VS2008 when I tried to add a X64 build to a project converted from VS2003.
I looked at everything found when searching for this error on Google (Target machine, VC++Directories, DUMPBIN....) and everything looked OK.
Finall...
Sequence-zip function for c++11?
...ge).
std::vector<int> vi{ 0, 2, 4 };
std::vector<std::string> vs{ "1", "3", "5", "7" };
for (auto i : redi::zip(vi, vs))
std::cout << i.get<0>() << ' ' << i.get<1>() << ' ';
Prints 0 1 2 3 4 5
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What's the difference between a temp table and table variable in SQL Server?
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27
Table variables can have indexes. Just create a unique constraint, and you automatically get an index. Makes a huge performance difference....
get UTC time in PHP
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answered Apr 18 '15 at 3:27
JessedcJessedc
11.3k22 gold badges4242 silver badges6262 bronze badges
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What is the preferred/idiomatic way to insert into a map?
...sign and try_emplace
– sp2danny
Jan 27 '16 at 8:35
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How to check if my string is equal to null?
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27 Answers
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Elegant way to invert a map in Scala
...K]] =
m.foldLeft(Map.empty[V, Builder[K,C[K]]]) {
case (acc, (k, vs)) =>
vs.foldLeft(acc) {
case (a, v) => a + (v -> (a.getOrElse(v,bf()) += k))
}
}.mapValues(_.result())
}
usage:
Map(2 -> Array('g','h'), 5 -> Array('g','y')).invert
//res0: M...