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pip freeze --local | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip install -U

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#! /usr/bin/env python
# -*- coding: utf-8 -*-
from time import clock


class Timer(object):
    def __init__(self, verbose=False):
        self.verbose = verbose

    def __enter__(self):

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#include <iostream>
#include <fstream>

using namespace std;

int main(int argc, char* argv[])
{
    wifstream in;
    string filename;

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import random
 
class Markov(object):
     
    def __init__(self, open_file):
        self.cache = {}
        self.open_file = open_file
        self.words = self.file_to_words()
        self.word_size = len(self.words)
        self.database()

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#include <stdio.h>

#define ANSI_COLOR_RED     "\x1b[31m"
#define ANSI_COLOR_GREEN   "\x1b[32m"
#define ANSI_COLOR_YELLOW  "\x1b[33m"
#define ANSI_COLOR_BLUE    "\x1b[34m"
#define ANSI_COLOR_MAGENTA "\x1b[35m"
#define ANSI_COLOR_CYAN    "\x1b[36m"
#define ANSI_COLOR_RESET   "\x1b[0m"

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def lazyJsonParse(j):
    j = re.sub(r"{\s*'?(\w)", r'{"\1', j)
    j = re.sub(r",\s*'?(\w)", r',"\1', j)
    j = re.sub(r"(\w)'?\s*:", r'\1":', j)
    j = re.sub(r":\s*'(\w+)'\s*([,}])", r':"\1"\2', j)
    return json.loads(j)

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#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <queue>
using namespace std;

class Huffman
{
  public:
    int deep; //深度

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#!/usr/bin/python
import sys
import random
 
if len(sys.argv) == 3:
    input = open(sys.argv[2],'r')
elif len(sys.argv) == 2:
    input = sys.stdin;
else:
    sys.exit("Usage:  python samplen.py <lines> <?file>")

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使用ffmpeg合并MP4文件

ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"

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#-*- coding: utf-8 -*-

"""
给定集合 test_case
输出其所有子集
"""

def getsubs(father, size):
    """获取集合 father 的
    指定长度 size 的所有子集合"""