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How does Dijkstra's Algorithm and A-Star compare?
I was looking at what the guys in the Mario AI Competition have been doing and some of them have built some pretty neat Mario bots utilizing the A* (A-Star) Pathing Algorithm.
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...会存在段错误的隐患。
那么如何处理这个“麻烦”呢？
就像人不可能“完美”一样，由人创造的“计算机语言“同样没有“完美”的解决办法。
我们更好的解决办法也许是：
通过学习前人的经验和开发的工...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...th many rows, I want to skip duplicate entries that would otherwise cause failure. After some research, my options appear to be the use of either:
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Need for predictable random generator
...ndomness in small runs of some games is undesirable -- it does seem too unfair for some use cases.
I wrote a simple Shuffle Bag like implementation in Ruby and did some testing. The implementation did this:
If it still seems fair or we haven't reached a threshold of minimum rolls, it returns a...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...息可能就只有1个或者多于四个，这取决于你想要让WINDOWS怎么做。每次发送消息的时段被称作为一个“绘画段”。你必须紧紧抓住这个概念，因为它贯穿于整个“重绘”的过程。
所以，你将会在以下的时间点收到通知：
l ...
Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
9 Answers
9
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How do I view all commits for a specific day?
...rking on a specific day and update my timesheet based on that, but it's a pain in the ass to type in the full date in ISO format so I just do it like this
git log --after=jun9 --before=jun10
and I add --author to only print my commits
git log --since=jun9 --until=jun10 --author=Robert
This pr...
Schema for a multilanguage database
... This option is similar to my option nr 1 but better. It is still hard to maintain and requires creating new tables for new languages, so I'd be reluctant to implement it.
– qbeuek
Nov 27 '08 at 10:22
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...7,32767);
m_allmsg.ReplaceSel(msg);
}else{
MessageBox("无法连接到服务器！");
closesocket(sock);
WSACleanup();
}
}
GetDlgItem(IDC_DISCONNECT)->EnableWindow(TRUE);
GetDlgItem(IDC_SEND)->EnableWindow(TRUE);
GetDlgItem(IDC_CHANGENAME)->EnableWindow(TRUE)...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... nop \
0804898A 90 nop |->怎么会有nop指令出现？
0804898B 90 nop / 我们在这加入call Function___080489BD
0804898C 90 nop -/ 直接显示crackme窗口，跳...