1、hasattr(object,attr) 判断一个对象里是否有某个属性或方法,返回布尔值,有为True,否则False class test(): name = "xiaoxiao" def say(self): return "HelloWord" t = test() has_name = ...
分类:
编程语言 时间:
2020-06-03 23:34:42
阅读次数:
88
adapted from poj 2482 Fleeting time does not blur the memory of you. Has it really been three years since i first saw you? I still remember, vividly, ...
分类:
其他好文 时间:
2020-06-03 17:25:52
阅读次数:
89
function getData(selector) { return $(selector || 'table').map((x, y) => group(Array.from($(y).find('td')), $(y).find('tr:has(td):first td').length, c ...
分类:
Web程序 时间:
2020-06-03 13:33:13
阅读次数:
73
self.SetSizeHintsSz( wx.DefaultSize, wx.DefaultSize ) 改为 self.SetSizeHints( wx.DefaultSize, wx.DefaultSize ) self.m_statusBar2 = self.CreateStatusBar( ...
分类:
其他好文 时间:
2020-06-02 13:15:10
阅读次数:
84
禁用词语(织梦dedecms系统讲直接停止用户动作)用|分开,但不要在结尾加|(cfg_notallowstr):系统禁用词语设置,系统在进行互动操作过程中, 如果有用户提交这些信息,系统将会显示“has not allow words!”,关键词用“|”分开,并且不要在结尾加上“|”https:/ ...
分类:
其他好文 时间:
2020-06-02 13:05:01
阅读次数:
67
Ashish has a tree consisting of nn nodes numbered 11 to nn rooted at node 11 . The ii -th node in the tree has a cost aiai , and binary digit bibi is ...
分类:
其他好文 时间:
2020-06-01 23:55:59
阅读次数:
100
Given the array candies and the integer extraCandies, where candies[i] represents the number of candies that the ith kid has. For each kid check if th ...
分类:
其他好文 时间:
2020-06-01 13:35:45
阅读次数:
64
问题:安装oracle-java8-installer按照如下指南失败: How To Install Java with Apt-Get on Ubuntu 16.04[https://www.digitalocean.com/community/tutorials/how-to-install- ...
分类:
数据库 时间:
2020-06-01 12:04:50
阅读次数:
103
从github下载三方扩展后直接拖拽至vendor目录运行项目报错 报scandir() has been disabled for security reasons 原因: 因为PHP里面的scandir函数被禁用了 打开php.ini disable_functions = scandir,pa ...
分类:
其他好文 时间:
2020-05-30 10:46:20
阅读次数:
65
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo ...
分类:
其他好文 时间:
2020-05-29 09:41:12
阅读次数:
49