thuandt

import sys


def gcd(a, b):
    t = b
    b = a % b
    if b == 0:
        return t
    else:
        return gcd(t, b)

thuandt

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

thuandt

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#      Filename:  prime.py
#
#   Description:  Tìm số nguyên tố lớn nhất có 9 chữ số khác nhau
#
#       Created:  12/09/2012 06:32:33 AM
# Last Modified:  12/09/2012 06:40:49 AM

thuandt

/* Disable "List all Tabs" Button */
.tabs-alltabs-button {
display: none !important;
}

/* Disable Container box for "List all Tabs" Button */
.tabs-alltabs-box {
display: none !important;
}