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C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式）Xml_SelectSingleNode_XpathXPath 是一门在 XML 文档中查找信息的语言，可用来在 XML 文档中对元素和属性进行遍历。因此使用xpath进行XML节点操作为我们省去了很多逻辑，代码...
C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
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Easiest way to convert int to string in C++
What is the easiest way to convert from int to equivalent string in C++. I am aware of two methods. Is there any easier way?
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How do you properly use namespaces in C++?
...ges, and then reusing them later from that package. But now I'm working in C++.
15 Answers
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Is there a way to simulate the C++ 'friend' concept in Java?
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Here is a small trick that I use in JAVA to replicate C++ friend mechanism.
Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons.
Romeo wants to cuddle Juliet and Juliet wants to only let Romeo cuddle her.
In C++, ...
Android studio, gradle and NDK
...d is very important since it will prevent Android Studio from rebuilding C/C++ source code. I have been trying to figure this out for two days until I saw your post and this solved my problem. I really think NDK build is better separately built by Android.mk command line makefile only, not by gradle...
Compelling examples of custom C++ allocators?
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I'm working with a MySQL storage engine that uses c++ for its code. We're using a custom allocator to use the MySQL memory system rather than competing with MySQL for memory. It allows us to make sure we're using memory as the user configured MySQL to use, and not "extra".
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
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Default parameters with C++ constructors [closed]
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I'd go with the default arguments, especially since C++ doesn't let you chain constructors (so you end up having to duplicate the initialiser list, and possibly more, for each overload).
That said, there are some gotchas with default arguments, including the fact that constan...
Do I cast the result of malloc?
...ote, as commentators point out, that the above talks about straight C, not C++. I very firmly believe in C and C++ as separate languages.
To add further, your code needlessly repeats the type information (int) which can cause errors. It's better to de-reference the pointer being used to store the r...