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Test Compiler
#ifndef A#define A#include __FILE__#include __FILE__#include __FILE__#include __FILE__#include __FILE__#include __FILE__#include __FILE__#include __FILE__#include __FILE__#undef A#endif#转载 2012-03-07 18:34:58 · 415 阅读 · 0 评论 -
Optimizing C++
http://en.wikibooks.org/wiki/Optimizing_C%2B%2BKeep vectors capacityTo empty a vector x object without deallocating its memory, use the statement x.resize(0);; to empty it and deallo转载 2014-01-08 16:08:45 · 847 阅读 · 0 评论 -
Beauty of Programming [Essentials]
编程之美 Beauty of Programming[Essentials]3.1 String Rotation ==> Concatenation3.2 Loop Recursive3.3 Levenshtein distance (Edit distance), computing: DP ***3.4 Singly linked list3.5 How t原创 2013-02-13 00:17:29 · 654 阅读 · 0 评论 -
Python Challenge
http://www.pythonchallenge.com/pc/def/0.htmlhttp://www.pythonchallenge.com/pc/def/map.htmlhttp://www.pythonchallenge.com/pc/def/ocr.htmlhttp://www.pythonchallenge.com/pc/def/equality.htmlhttp:原创 2013-03-26 16:31:27 · 770 阅读 · 0 评论 -
Generating random distributions
Related Materials: Generation of Random Variables (Computational Statistics)http://community.topcoder.com/tc?module=Static&d1=tutorials&d2=randomNumbershttp://community.topcoder.com/tc?modul转载 2013-01-01 02:03:19 · 784 阅读 · 0 评论 -
Understanding Object Oriented Programming
About OO, here are some interesting discussions:http://coolshell.cn/articles/8745.htmlhttps://plus.google.com/101960720994009339267/posts/hoJdanihKwbhttp://www.csis.pace.edu/~bergin/patterns转载 2012-12-23 00:01:54 · 460 阅读 · 0 评论 -
hide main() function
http://blog.youkuaiyun.com/masefee/article/details/6606813main函数隐藏我想大家应该都听过“国际C语言混乱代码大赛(IOCCC, The International Obfuscated C Code Contest)”吧,今天无意间在网上讨论到这个问题。我有意将main函数改变了一下,居然编译通过了,于是想利用这个特性,写一个“转载 2012-03-14 13:59:55 · 537 阅读 · 0 评论 -
No Place to Hide a Dark Heart
but you can hide your files (e.g. .rar files) in your .jpg filesHow-to:in cmd, type this: copy /b a.jpg+a.rar b.jpgthis pic contains an avoiding game (in ASCII mode) written原创 2012-03-13 13:04:38 · 617 阅读 · 0 评论 -
pointer endianess sizeof()
#include using namespace std;int main(int argc, char* argv[]){ int a[5] = {1,2,3,4,5}; cout<<sizeof(a)<<endl; int *ptr1 = (int *)(&a+1); int *ptr2 = (int *)((int)a+1); cout<<hex<<ptr1[-1]<<en转载 2012-03-10 15:11:51 · 573 阅读 · 0 评论 -
magic CSS shapes
在StackOverflow上有这么一个问题,有位同学在http://css-tricks.com/examples/ShapesOfCSS/ 找到一些使用CSS做的形状,其中一位同学对下面的这个形状充满了疑问。形状是:代码是:#triangle-up {width: 0;height: 0;border-left: 50px solid transparent;bord转载 2012-03-24 23:19:26 · 617 阅读 · 0 评论 -
C++: Do { ... } While (0)
An example from http://webgpu.hwu.crhc.illinois.edu/mp/0#define wbCheck(stmt) do { \ cudaError_t err = stmt;转载 2014-03-12 23:19:44 · 618 阅读 · 0 评论