junfenglx

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num_epochs: 20

junfenglx

#!/bin/bash

g++ -std=c++11  `pkg-config --libs tesseract opencv lept` $1 -o ${1}.out

junfenglx

# coding: utf-8
cache = dict()
def f(n):
    if n <= 0:
        return 0
    prev = cache.get(n-1)
    if not prev:
        s = 1;
        for i in range(1, n+1):
            s *= i

junfenglx

###grub rescue模式下修复

由于在rescue模式下，只有少量的基本命令可用，必须通过一定的操作才能加载正常模块，然后进入正常模式。

rescue模式下可使用的命令有：set，ls，insmod，root，prefix(设置启动路径)

先假设grub2的核心文件在(hd0,8)分区，再来看看怎样从 rescue模式进入从(hd0,8)启动的正常模式(normal)。

在 rescue模式下search命令不能用，对不清楚grub2文件处于哪个分区的，可以用ls命令查看，比如

junfenglx

#!/bin/bash

for p in `cat all_packages`;
do
    yaourt -S $p --needed --noconfirm
done

junfenglx

#! /usr/bin/env python

import redis
import random
import pylibmc
import sys

r = redis.Redis(host = 'localhost', port = 6389)
mc = pylibmc.Client(['localhost:11222'])

junfenglx

#!/usr/bin/env python
# encoding: utf-8

'''
replace one word with another recursively
'''

import os
import subprocess
import os.path

junfenglx

#include <iostream>
#include <vector>
#include <string>

void print(const std::string &s, size_t i) {
    size_t len = s.length();
    size_t space_count = i < len ? i : len;
    for(size_t j = 0; j < space_count; ++j)
        std::cout << " ";
    if (space_count < len)

junfenglx

#include <iostream>

class Base {
    public:
        Base() {
            std::cout << "Base Constructor" << std::endl;
            ctor();
        }
        virtual ~Base() {
            std::cout << "Base Destructor" << std::endl;

junfenglx

#include <iostream>
#include <ostream>
#include <string>
#include <vector>
//comment this define to see reallocate
#define F4
class Test {
    public:
        std::string tag;
        Test(std::string &t) : tag(t) {