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How to declare std::unique_ptr and what is the use of it?
...re guaranteed to destroy the object they manage when they go out of scope.
http://en.cppreference.com/w/cpp/memory/unique_ptr
In this case:
unique_ptr<double> uptr2 (pd);
pd will be destroyed when uptr2 goes out of scope. This facilitates memory management by automatic deletion.
The case ...
Selecting a row in DataGridView programmatically
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You can use the Select method if you have a datasource:
http://msdn.microsoft.com/en-us/library/b51xae2y%28v=vs.71%29.aspx
Or use linq if you have objects in you datasource
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Regex to replace multiple spaces with a single space
Given a string like:
23 Answers
23
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What is dynamic programming? [closed]
What is dynamic programming ?
10 Answers
10
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Does Java SE 8 have Pairs or Tuples?
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Vavr (formerly called Javaslang) (http://www.vavr.io) provides tuples (til size of 8) as well. Here is the javadoc: https://static.javadoc.io/io.vavr/vavr/0.9.0/io/vavr/Tuple.html.
This is a simple example:
Tuple2<Integer, String> entry = Tuple.of(1,...
What is C# analog of C++ std::pair?
I'm interested: What is C#'s analog of std::pair in C++? I found System.Web.UI.Pair class, but I'd prefer something template-based.
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Are nested transactions allowed in MySQL?
Does MySQL allow the use of nested transactions?
2 Answers
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Oracle SQL, concatenate multiple columns + add text
So I basically wanna display this (whole row in ONE column):
6 Answers
6
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How to deserialize xml to object [duplicate]
I have this XML,
How should i model the Class so i will be able to deserialize it using XmlSerializer object?
2 Answers
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Oracle 分组后取每组第一条数据 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...Oracle 分组后取每组第一条数据的SQL如下，亲测有效：SELECT * FROM (SELECT ROW_NUMBER() OVER(PARTITION BY T field1, T Oracle 分组后取每组第一条数据的SQL如下，亲测有效：
SELECT *
FROM (SELECT ROW_NUMBER() OVER(PARTITION BY T.field1, T.field2 ORDER BY...