quxiaofeng

#include <stdio.h>
#include <string.h>
#include <stdlib.h>


void read_csv(int row, int col, char *filename, double **data){
	FILE *file;
	file = fopen(filename, "r");

	int i = 0;

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#!/usr/bin/env python2

import numpy as np
import cv2 as cv

def FCD( src, mask ):

	A_THRESH = [ 2, 1 ]

	sobel_x = cv.Sobel( src, cv.CV_32F, 1, 0, ksize = 5 )

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import numpy as np
from keras.models import Sequential
from keras.layers.core import Activation, Dense
from keras.optimizers import SGD

X = np.array([[0,0],[0,1],[1,0],[1,1]], "float32")
y = np.array([[0],[1],[1],[0]], "float32")

model = Sequential()
model.add(Dense(2, input_dim=2, activation='sigmoid'))

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import qrcode
from PIL import ImageFont, ImageDraw

def generate_qrcode_from_url(
    info = 'http://www.quxiaofeng.me/about',
    text_position = (43,10),
    code_version = 1,
    code_error_correction = qrcode.constants.ERROR_CORRECT_H,
    code_box_size = 10,
    code_border = 4,

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import numpy.lib
import numpy as np
import pandas as pd
import cPickle as pickle

def save_pandas(fname, data):
    '''Save DataFrame or Series

    Parameters
    ----------

quxiaofeng

data:text/html, <style type="text/css">#e{position:absolute;top:0;right:0;bottom:0;left:0;}</style><div id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script><script>var e=ace.edit("e");e.setTheme("ace/theme/monokai");e.getSession().setMode("ace/mode/ruby");</script>

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var id_mathjax_plugin;
(function() {
	var mjp = id_mathjax_plugin = {
		load_mathjax: function() {
			function e(e){var t='.MathJax .mn {background: inherit;} .MathJax .mi {color: inherit;} .MathJax .mo {background: inherit;}',n=e.createElement('style');n.innerText=t;try{n.textContent=t}catch(r){}e.getElementsByTagName('body')[0].appendChild(n);var i=e.createElement('script'),s;i.src='https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML.js',i.type='text/javascript',s='MathJax.Hub.Config({skipStartupTypeset:true,tex2jax:{inlineMath:[[\'$\',\'$\']],displayMath:[[\'\\\\[\',\'\\\\]\']],processEscapes:true}});MathJax.Hub.Startup.onload();',window.opera?i.innerHTML=s:i.text=s,e.getElementsByTagName('head')[0].appendChild(i)}function t(t){t.MathJax===undefined?e(t.document):t.MathJax.Hub.Queue(new t.Array('Typeset',t.MathJax.Hub))}var n=document.getElementsByTagName('iframe'),r,i;t(window);for(r=0;r<n.length;r++)i=n[r].contentWindow||n[r].contentDocument,i.document||(i=i.parentN

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\begin{diagram}
& & X & & \\
& \ldTo^{f_1} & \dDashto_f & \rdTo^{f_2} & \\
A & \lTo_{\pi_1} & A\times B & \rTo_{\pi_2} & B \\
\end{diagram}
 
\begin{diagram}
& & X & & \\
& \ruTo^{f_1} & \uDashto_f & \luTo^{f_2} & \\
A & \rTo_{i_1} & A\oplus B & \lTo_{i_2} & B \\

quxiaofeng

% fonts
\usepackage{xeCJK}
\usepackage{xltxtra}
%       beamer
% \usefonttheme{default} % sans serif
\usefonttheme{professionalfonts}
\usefonttheme{serif}
% \usefonttheme{structurebold}
% \usefonttheme{structureitalicserif}
% \usefonttheme{strucutresmallcapsserif}

quxiaofeng

#Newbie programmer
def factorial(x):
    if x == 0:
        return 1
    else:
        return x * factorial(x - 1)
print factorial(6)


#First year programmer, studied Pascal