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How to get first N elements of a list in C#?
I would like to use Linq to query a bus schedule in my project, so that at any time I can get the next 5 bus arrival times. How can I limit my query to the first 5 results?
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Is there a ceiling equivalent of // operator in Python?
I found out about the // operator in Python which in Python 3 does division with floor.
7 Answers
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How to compare two strings in dot separated version format in Bash?
Is there any way to compare such strings on bash, e.g.: 2.4.5 and 2.8 and 2.4.5.1 ?
29 Answers
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Why is std::map implemented as a red-black tree?
Why is std::map implemented as a red-black tree ?
6 Answers
6
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php Replacing multiple spaces with a single space [duplicate]
I'm trying to replace multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated.
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What are the most common font-sizes for H1-H6 tags [closed]
I've always been unsure of where to start as a general best practice baseline. Yes, I know it depends on your design, but what's most common?
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Remove duplicate entries using a Bash script [duplicate]
I want to remove duplicate entries from a text file, e.g:
4 Answers
4
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Negative list index? [duplicate]
I'm trying to understand the following piece of code:
2 Answers
2
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C++形参与实参的区别（实例解析） - C/C++ - 清泛网 - 专注C/C++及内核技术
...而实参中的值不会变化。
参考如下示例：
void Exchg1(int x, int y)
{
int tmp;
tmp=x;
x=y;
y=tmp;
printf("Exchg1:x=%d,y=%d\n",x,y);
}
void Exchg2(int &x, int &y)
{
int tmp;
tmp=x;
x=y;
y=tmp;
printf("Exchg2:x=%d,y=%d\n",x,y);
}
void Exchg3(int *x, int *y...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
...元素。通过下面这段程序来认识这两个函数的用法：
#include <iostream>
#include <tuple>
#include <functional>
int main()
{
auto t1 = std::make_tuple(10, "Test", 3.14);
std::cout << "The value of t1 is "
<< "(" << std::get<0>(t1) << ", " << std::ge...