/* choose a display format if one was not already specified by an option */
if (!(G.all_fmt & STYLE_MASK))
G.all_fmt |= (isatty(STDOUT_FILENO) ? STYLE_COLUMNAR : STYLE_SINGLE);
1、首先安装lua
linux系统
make linux
make install
2、编译
gcc -lm -g -o test test.c /usr/local/lib/liblua.a -ldl
如果少-ldl,那么编译就会报:
gcc -lm -g -o test test.c /usr/local/lib/liblua.a
/usr/
from urllib import request
import os
from user_agents import ua_list
import time
import random
import re
import requests
from lxml import etree
class MeiziSpider():
def init(self):
self.url = ‘https:/...
最近翻到一篇知乎,上面有不少用Python(大多是turtle库)绘制的树图,感觉很漂亮,我整理了一下,挑了一些我觉得不错的代码分享给大家(这些我都测试过,确实可以生成)
one 樱花树
动态生成樱花
效果图(这个是动态的):
实现代码
import turtle as T
import random
import time
# 画樱花的躯干(60,t)
def Tree(branch, ...
【题目】我们公司的数据量非常大,需要的不仅仅是提取数据,要了解SQL方案优化的。一般在写SQL时需要注意哪些<em>问题</em>,可以提高查询的效率?【解题思路】数据量大的情况下,不同的SQL语句,消耗的时间相差很大。按下面方法可以提高查询的效果。1. select子句中尽量避免使用*select子句中,*是选择全部数据的意思。比如语句:“select * from 成绩表”,意思是选择成绩表中所有列的数据。在我...
Idon’t know what that dream is that you have, I don't care how disappointing it might have been as you've been working toward that dream,but that dream that you’re holding in your mind, that it’s po...
多机通讯/*--------------------------------------------
to accept data use serail is the main function
popipo 27/11/2010
----------------------------------------------*/
#include <AT89x52.H>
/*---------------------------------------------
初始化寄存器
-----------------------------------------------*/
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