function is an object

python 的 function 是一個物件, 所以可以放進 collection 中等以後被呼叫.
>>> def a():
 print 'a';

 
>>> def b():
 print 'b';

 
>>> def c():
 print 'c';

 
>>> list = [a,b,c];
>>> for f in list:
 f();

 
a
b
c

split large file

I use Notepad++ to check log and debug.
When log file is large, I need to split large file to smaller ones.
I can't find tool so write codes to split file in Java every time.
I use Python to write a tool to split file when studying python.
Welcome to use this tool if you also need to split large log file.

別名演算法 Alias Method

 題目 每個伺服器支援不同的 TPM (transaction per minute) 當 request 來的時候, 系統需要馬上根據 TPM 的能力隨機找到一個適合的 server. 雖然稱為 "隨機", 但還是需要有 TPM 作為權重. 解法 別名演算法...