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Check if a class has a member function of a given signature
I'm asking for a template trick to detect if a class has a specific member function of a given signature.
16 Answers
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STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术
STL 算法目录STL算法概述查找算法堆算法关系算法集合算法排列组合算法排序和通用算法删除和替换算法生成和变异算法算数算法STL算法概述简介:STL算法...
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STL算法概述
查找算法
堆算法
关系算法
集合算法
排列组合算...
Templated check for the existence of a class member function?
Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?
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Update multiple rows in same query using PostgreSQL
..._b = '345' THEN 2
END
WHERE column_b IN ('123','345')
And working proof: http://sqlfiddle.com/#!2/97c7ea/1
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Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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How to map a composite key with JPA and Hibernate?
... name.equals(that.getName()). The first will fail, if that is a proxy.
http://www.laliluna.de/jpa-hibernate-guide/ch06s06.html
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Run an OLS regression with Pandas Data Frame
...n. We refer to external packages like statsmodels, see some examples here: http://www.statsmodels.org/stable/regression.html
– javadba
Jan 25 '17 at 0:47
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP operations that lie outside of Retrofit/Picasso.
Volley roughly competes with Retrofit + Picasso. On the plus side, it is one library. On the minus side, it is one undocumented, an unsupported, "t...
Why no ICloneable?
Is there a particular reason why a generic ICloneable<T> does not exist?
9 Answers
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Why is `std::move` named `std::move`?
The C++11 std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
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