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ToDo:


2006-07-19

_ failmalloc & sdmkun

¤²¡¼¤à¤À¤«¤éÊ̤ËÍî¤Á¤Æ¤â¤¤¤¤¤ó¤Ç¤¹¡ª ¤Ã¤Æ¤¤¤¦¤«ËÜÅö¤Ë malloc ¤¬Íî¤Á¤ë¤Ê¤ó¤Æ¤Î¤ò ¥¤¥ó¥Õ¥é°Ê³°¤Ç¥Ï¥ó¥É¥ê¥ó¥°¤¹¤Ù¤­¤È»×¤Ã¤Æ¤ë¤Î¤«¤¤¡© ¤È¤«¼çÄ¥¤·¤è¤¦¤È»×¤Ã¤¿¤Î¤À¤¬¡£ ¤Ê¤ó¤«¤½¤ó¤Ê¥Í¥¿¼çÄ¥¤Ï¤É¤¦¤Ç¤â¤è¤¯¤Ê¤Ã¤¿¡£

i@u ~/wrk/sdmkun> LD_PRELOAD=/usr/local/lib/libfailmalloc.so ./sdmkun
terminate called after throwing an instance of 'St9bad_alloc'
  what():  St9bad_alloc
zsh: abort (core dumped)  LD_PRELOAD=/usr/local/lib/libfailmalloc.so ./sdmkun

¥Ð¥Ã¥¯¥È¥ì¡¼¥¹

(gdb) bt
#0  0xffffe410 in __kernel_vsyscall ()
#1  0x41045069 in raise () from /lib/libc.so.6
#2  0x41046671 in abort () from /lib/libc.so.6
#3  0x41e1dc30 in __gnu_cxx::__verbose_terminate_handler ()
   from /usr/lib/libstdc++.so.6
#4  0x41e1b655 in std::set_unexpected () from /usr/lib/libstdc++.so.6
#5  0x41e1b692 in std::terminate () from /usr/lib/libstdc++.so.6
#6  0x41e1b7ca in __cxa_throw () from /usr/lib/libstdc++.so.6
#7  0x41e1bc0e in operator new () from /usr/lib/libstdc++.so.6
#8  0x41df5ecb in std::string::_Rep::_S_create () from /usr/lib/libstdc++.so.6
#9  0x41df70b5 in std::string::_S_copy_chars () from /usr/lib/libstdc++.so.6
#10 0x41df7267 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string () from /usr/lib/libstdc++.so.6
#11 0x0809dbd1 in __static_initialization_and_destruction_0 (__initialize_p=Variable "__initialize_p" is not available.
)
    at bulletmltree.cc:16
#12 0x080badb5 in __do_global_ctors_aux ()
#13 0x0804b699 in _init ()
#14 0x080bac46 in __libc_csu_init ()
#15 0x410326c9 in __libc_start_main () from /lib/libc.so.6
#16 0x0804c3e1 in _start ()

¤¨¡¼¤È¡£

#include <iostream>
#include <string>

std::string s("hoge");

int main() {
    try {
    } catch (...) {
        std::cout << "exception!" << std::endl;
    }
}

¤È¤«¤Ç¥¨¥é¡¼¤Ä¤«¤Þ¤é¤Ê¤¤¤ï¤±¤À¡£ ¤³¤ì¤Ã¤Æ¤Ê¤ó¤«Âн褢¤ë¤ó¤«¤¤¤Ê¡£ ¤Þ¤¡Îã³°¤È¤«¤É¤¦¤Ç¤â¤¤¤¤¤ä¡£

(00:50)

_ ¼«Ëý¤¸¤ã¤Ê¤¤

¼«Ëý¤¸¤ã¤Ê¤¤(¤¬|¤±¤É|¤Ç¤¹¤¬)¡¢ ¤Ï²¿¤«¤¬¡Ö¥¢¥Û(ÍÀ¤á¸ÀÍÕ)¡×¤È¤¤¤¦°ÕÌ£¤Ç ¼«Ëý¤·¤Æ¤ë¤³¤È¤¬Â¿¤¤¤ï¤±¤À¤±¤É¡£

¤È¤¤¤¦¤«ÉáÄ̤¸¤ã¤Ê¤¤¤³¤È¤Ë²ÁÃͤ¬¤¢¤Ã¤Æ ¤Ä¤Þ¤ê¥¢¥ì¤À¡£ °ïÈ̤Ȥ«¡¢¤½¤¦¤¤¤¦¥­¥â¤¤¥¢¥ì¤Êʸ̮¤¬Â¿¤¤¡£ ¤½¤ì¤ËÂФ¹¤ë¡Ö¤¢¤¢ËÜÅö¤Ë¼«Ëý¤¸¤ã¤Ê¤¤¤Êw¡× ¤ß¤¿¤¤¤Ê¤Î¤âƱÍͤ˥­¥â¤¤¤³¤È¤«¤â¤·¤ì¤Ê¤¤¡£

¤¿¤á¤·¤ËËÜÅö¤Ë¼«Ëý¤¸¤ã¤Ê¤¤»öÎã¤È¤·¤Æ¡¢ ¡Ö¼«Ëý¤¸¤ã¤Ê¤¤¤¬²¶¤Ï¿²¤¿¸å¤Ïɬ¤ºµ¯¤­¤ë¤³¤È¤Ë¤·¤Æ¤¤¤ë¡× ¤È¤«¤¤¤¦Ê¸¾Ï¤ò¹Í¤¨¤Æ¤ß¤¿¤±¤É¡£ ¤Þ¤¡¤³¤ì¤Ï¤³¤¸¤Ä¤±¤À¡£¤¤¤¤¤ä¡£

http://tinyurl.com/pj6lu

¡Ö¼«Ëý¤¸¤ã¤Ê¤¤¤¬½÷¡×¤È¤«¡Ö¼«Ëý¤¸¤ã¤Ê¤¤¤¬ÏÓÎϤ˼«¿®¤¬¤Ê¤¤¡× ¤Ê¤É¤Ï¡¢¤Þ¤¡ÉáÄ̤ˤ¤¤¤¤«¤È»×¤Ã¤¿¡£

(01:00)

_ 25cm/pixel

http://googlejapan.blogspot.com/

°ì½Ö¤¹¤´¤Ã¡¢¤È»×¤Ã¤¿¤±¤É¡¢ ·×»»¤·¤Æ¹Í¤¨¤ë¤È¤â¤È¤â¤È¤½¤ó¤Ê´¶¤¸¤«¡£ 40pixel ¤Ç 10m ¡£

(01:14)

_ ¥¢¥Õ¥¿¥Ì¡¼¥ó

µ×¡¹¤À¤Ê¤È»×¤¤¤Ä¤Ä½¦¤Ã¤ÆÆɤó¤À¤é ¤²¤ó¤·¤±¤ó½ª¤ï¤Ã¤Æ¤¿¡£ ¤¢¤È¤²¤ó¤·¤±¤ó¤È¥é¥Ö¤ä¤ó¤¬¥é¥Ö¥é¥Ö·Ï¤À¤Ã¤¿¤Î¤â¤Ó¤Ã¤¯¤ê¡£

(01:36)

_ ¤³¤¦¤¤¤¦¥°¥é¥Õ¤¬½Ð¤ë¤È´ò¤·¤¤¤â¤Î

hoge.gif

(16:41)

_ ¼°¤Ï

f(x)=1/cos(x)
complex(x,y)=x*{1,0}+y*{0,1}
g(x)=cos(x)*cos(x)*complex(cos(f(x)),sin(f(x)))+sin(x)*sin(x)*complex(cos(f(x)),-sin(f(x)))
#plot [0.8:0.85] real(g(x))*real(g(x))+imag(g(x))*imag(g(x))
plot [0:4] real(g(x))*real(g(x))+imag(g(x))*imag(g(x))

¤³¤ì¤ò²òÀÏŪ¤Ë¶ËÃͤòµá¤á¤ë¤ï¤±¤Ç¤¹¤¬¡Ä Mathematica ¤«¤Í¤§¡£

(16:43)

_ ICFPC ¤Î¤ª»þ´Ö

EDT 7.21 12:00 = JST 7.22 1:00 ¤Ý¤¤¡£

ÅÚÍË¿¼Ì뤫¤é·îÍË¿¼Ìë¤Þ¤Ç¡¢¤«¡£

(17:30)

_ Æݤ߲ñ

±Ñ¸ìÉÔ¼«Í³¤ÊÆüËÜ¿Í*2¡¢±Ñ¸ì¤Ç¤­¤ëÆüËÜ¿Í*2¡¢ ÆüËܸì¤Ç¤­¤ë³°¿Í*1¡¢ÆüËܸì¤Û¤Ü¥À¥á¤Ê³°¿Í*1¡¢ ¤À¤È²ñÏäÏÆü±Ñº®ºß¤Ë¤Ê¤ë¤è¤¦¤À¡£ ¤³¤Î¤Ø¤ó¤¬°ÈÅÀ¤Ê¤Î¤«¡Ä

(21:56)

_ ±Ñ¸ìÊÙ¶¯¤Ë

http://video.google.com/videosearch?q=type%3Agoogle+engEDU

¤¤¤¤¤«¤â¡£

(23:30)

_ DTrace

http://sdc.sun.co.jp/solaris/solaris10/dtrace/guide.html

Á°¤Î sun ¤Î D ¤Ë¤Ä¤¤¤Æ¡¢ news ¤Ç Walter ¥¿¥ó¤¬È¾¥®¥ì¤Ý¤¤±þÂФò¤·¤Æ¤ÆÌÌÇò¤¤¤±¤É¡¢ Ⱦ¥®¥ì¤Ý¤¯¸«¤¨¤Æ¤ëËͤÎÆɲòÎϤϿ®Íê¤Ç¤­¤ë¤Î¤À¤í¤¦¤«¡£

(23:36)

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1.shinh(2006-07-31 02:31) 2.f#(2006-07-30 01:39) 3.shinh(2006-07-26 22:50)
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