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When should I use the new keyword in C++?
I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not?
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
了解 Boost Filesystem Library创建与平台无关的代码
缺乏定义良好的、用于处理文件系统操作的库，这一直是 C++ 语言存在的一个问题。过去，程序员必须使用本机 API 来解决此问题。通过本文您将了解一个提供安全、可移植且易用...
How to get client's IP address using JavaScript?
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I would use a web service that can return JSON (along with jQuery to make things simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and ...
How do I sort one vector based on values of another
I have a vector x, that I would like to sort based on the order of values in vector y. The two vectors are not of the same length.
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How to sort a list/tuple of lists/tuples by the element at a given index?
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sorted_by_second = sorted(data, key=lambda tup: tup[1])
or:
data.sort(key=lambda tup: tup[1]) # sorts in place
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Total number of items defined in an enum
How can I get the number of items defined in an enum?
10 Answers
10
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Is it possible to have two partial classes in different assemblies represent the same class?
...n a project called 'MyProject.Data', which acts as the data layer for my web application.
9 Answers
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Is the primary key automatically indexed in MySQL?
...when defining the primary key? Is the answer the same for MyISAM and InnoDB?
9 Answers
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Check if a string has white space
I'm trying to check if a string has white space . I found this function but it doesn't seem to be working:
7 Answers
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How can I convert a hex string to a byte array? [duplicate]
Can we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
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