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How do you detect where two line segments intersect? [closed]
How do I determine whether or not two lines intersect, and if they do, at what x,y point?
27 Answers
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How to measure time in milliseconds using ANSI C?
Using only ANSI C, is there any way to measure time with milliseconds precision or more? I was browsing time.h but I only found second precision functions.
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What is a .h.gch file?
I recently had a class project where I had to make a program with G++.
5 Answers
5
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How can I add a help method to a shell script?
How do I check if a -h attribute has been passed into a shell script? I would like to display a help message when a user calls myscript.sh -h .
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Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
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ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scope -...
ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scopepthread_t在头文件 usr include bits pthreadtypes.h中定义：typedef unsigned long int pthread_t;它是一个线程的标识符。#include <pthread.h> 解决。pthread_t在头文件/usr/include/bits/pthreadtypes.h中定义：
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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...XCEL的速度。本文源码来自互联网、由清泛网编译整理。
http://blog.csdn.net/otherhill/article/details/18716559
http://www.cnblogs.com/xianyunhe/archive/2011/09/25/2190485.html
http://blog.sina.com.cn/s/blog_6e51df7f01015cci.html
感谢原作者的无私奉献。
通过VC实...
C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
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{
C041() : c_(0x01) {}
virtual void foo() { c_ = 0x02; }
char c_;
};
struct C100 : public virtual C041
{
C100() : c_(0x02) {}
char c_;
};
struct C101 : public virtual C041
{
C101() : c_(0x03) {}
char c_;
};
struct C110 : public C100, public C101
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
Is there any difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
5 Answers
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How do I convert seconds to hours, minutes and seconds?
I have a function that returns information in seconds, but I need to store that information in hours:minutes:seconds.
12 An...