nikcub

In August 2007 a hacker found a way to expose the PHP source code on facebook.com. He retrieved two files and then emailed them to me, and I wrote about the issue:

http://techcrunch.com/2007/08/11/facebook-source-code-leaked/

It became a big deal:

http://www.techmeme.com/070812/p1#a070812p1

The two files are index.php (the homepage) and search.php (the search page)

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

letoh

原文 Assembler / なぜx86ではMBRが"0x7C00"にロードされるのか？(完全版)

感謝 descent 大大分享本文，隨便看隨便譯。本文不是逐句譯，同時也不是這方面的專家 (不管是語言或技術)，用語不一或缺漏錯誤在所難免，歡迎自行 fork 修正指教

誰適合看本文?

對 x86 架構與組合語言有基礎認識，以及從 MBR 到載入 OS 這一段過程有興趣的人 (還有談到中斷向量或 INT xxx 時不會一臉茫然的人)

andrewrcollins

function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s }
function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s }
function trim(s)  { return rtrim(ltrim(s)); }
BEGIN {
# whatever
}
{
# whatever
}
END {

przemoc

; Fibonacci n-th number (modulo 2^32)
;
; input:
; 	ecx = n
; modifies:
; 	eax, ecx, edx
; ouput:
; 	eax = number
; size:
; 	15 bytes