Genius often betrays itself into great errors. 天才常被天才误. Genius can help us get greater achievements, and it can result in great errors as well. Whether it is helpful or harmful, depends on the purposes of those genius. To borrow from the Spiderman, w…

Love is hard to get into, but harder to get out of. 相爱不易,相忘更难. The past are hurt, but I think we can run from it or learn from it. If she turns her back on you, you also can turn your back on her. Please be barve when you have to be, for example, you…

We read the world wrong and say that it deceives us. 我们把世界看错了,反而说它欺骗了我们. It is not a cakewalk to see the world clearly and read it in the right way. Sometimes we didn't attain the things we expected, we might complain that the world deceived us. Why…

What would life be if we had no courage to attempt anything? 如果我们都没有勇气去尝试点什么,生活会变成什么样子呢? I remembered that day I failed to attain my hope once again, or it could be deemed just as daydream, and I was frustrated, I wrote in my diary that sometimes onl…

Try to be a rainbow in someone's cloud. 当乌云萦绕心头,我愿意成为你的彩虹. Actually there are many rainbows in our life, even when we think our life is totally darkened by heavy clouds and we can't see any light, even a small glimmer of light. Sometimes we may see t…

Happiness takes no account of time. 幸福不觉光阴过. Do you know the theory of relativity? If you know about that, you may know one story about Einstein, how did he explain his theory to those who were totally ignorant about that? He said in a funny way: Yea…

He alone is poor who does not possess knowledge. 没有知识,才是贫穷. Knowledge, as a important part of wisdom, can be converted into wealth, especially in this fast-developing world, because it is becoming more and more technology-driven, those people with go…

In the evening one may praise the day. 入夜方能赞美白昼. I think that could be understand in different ways, at least two. One is that we praise the day in the evening, because the day brings us the light, in the evening we know the value of light. The other…

Today is a perfect day to start living your dream. 实现梦想,莫如当下. Miracles may happen every day. If you choose to live your dream and strive for it, then it may be a perfect day. Sometimes, we feel we have tried our best but we still failed, yes, man pro…

Visual Studio 2017 15.5 版本已正式发布,同时发布的还有 Visual Studio for Mac 7.3 .此次更新包含主要性能改进,新特性以及 bug 修复.发行说明中文版 目前尚未更新,可先查看 英文版.本站第一时间跟进了离线安装包的制作,并于2017年12月6日在 码农很忙 首发. 本离线安装包使用官方原版程序配合 layout 指令制作,包含 Visual Studio 2017 Enterprise 15.5 所有组件以及全部语言包.因最终包体较大且文件名较长…

原博客地址:http://jinnianshilongnian.iteye.com/blog/2018398 根据下载的pdf学习. 第二十一章 授予身份与切换身份(一) 1.使用场景 某个领导因为某些原因不能访问一些网站,他想把这个网站上的工作委托给秘书,但是他又不想提供账户.密码.此时可以使用shiro的 RunAs 功能. RunAs:允许一个用户假装为另一个用户(如果获得了允许)的身份进行访问. 注意,本章代码基于<第十六章 综合实例>,详细的数据模型及基本流程见该章. 2.表及数据…

2018年7月9日更新: CUDA已推出9.2版本,最高支持MSVC++ 14.13 _MSC_VER == 1913 (Visual Studio 2017 version 15.6). 然而最新版本是MSVC++ 14.14 _MSC_VER == 1914 (Visual Studio 2017 version 15.7),可见CUDA总比VS要慢一拍. 环境: CUDA Toolkit - v9.1.85 Visual Studio 2017 (VS2017 15.6.4) + 平台工具…

Visual Studio 2017 版本 15.5.5 已修复的问题 (1)Xamarin 应用会引发“Cannot access a disposed object. Object name: 'MobileAuthenticatedStream'”错误. (2)当派生自 Application 类时,Xamarin.Android 应用会引发“ClassNotFoundException”. (3)升级可能会导致卸载以前安装的 Windows 和 Android SDK. (4)将 JDK…

参考来自:http://blog.csdn.net/jeffleo/article/details/52194433 1.速度 一般来说,三者的速度是:StringBuilder > StringBuffer > String. 但是,在String a = "how" + "old" + "are" + "you".这种直接拼接的情况下,String速度最高.这是因为jvm的优化问题,jvm会自动识别,把&quo…

原博客地址:http://jinnianshilongnian.iteye.com/blog/2018398 根据下载的pdf学习. 开涛shiro教程-第二十一章-授予身份与切换身份(二) 1.回顾上节 在<2017.2.15 开涛shiro教程-第二十一章-授予身份与切换身份(一)table.entity.service.dao >中,做了这四件事.这只是准备材料,要实现 B 假借 A 的身份进行访问,还需要完成controller部分. 1 table:sys_user_runas 2…

//比较两个时间的大小 举例:CompareDate("12:00","11:15") function CompareDate(t1, t2) { var date = new Date(); var a = t1.split(":"); var b = t2.split(":"); ], a[]) > date.setHours(b[], b[]); }…

1 题目描述 输入一个矩阵,按照从外向里以顺时针的顺序依次打印出每一个数字,例如,如果输入如下4 X 4矩阵: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 则依次打印出数字1,2,3,4,8,12,16,15,14,13,9,5,6,7,11,10. 2 思路和方法 直接定义一个矩形,在矩形的四条边取值,程序大大简化. 3 核心代码 class Solution { public: vector<int> printMatrix(vector<vecto…

Youth is not a time of life, it is a state of mind. 青春不是一段年华,而是一种心境. Likewise, maturity is not a time of life, it is also a state of mind. Time can grind a lot of things into bubbles, only the great mind can become eternal. I often think I am somewha…

The starting point of all achievements is desire. 成功的第一步是渴望. Only you desire for somethings, you can have the motivation to achieve them. Maybe it is better to live a life without desire, but that is not the life I want to live. Even though I had los…

Attitude is a little thing that makes a big difference. 小态度,大不同. Attitudes can make a big difference, if combined properly with practice and ambition. I often complain that the God is unfair because I think I have not gain what I deserve. But if I re…

上一篇:OI生涯回忆录 2017.9.10~2018.11.11 一次逆风而行的成功,是什么都无法代替的 ………… 历经艰难 我还在走着 一 NOIP之后,全机房开始了省选知识的自学. 动态DP,LCT,后缀数组,后缀自动机,多项式 NOIP获得全省第六名好成绩的我, 自以为省队纳入囊中只是时间问题 学习效率并不高效. 12月培训由于自学过 听课效果很好,实际上并没有收获和总结太多. 当时问郭神算法的问题, 他说: “算法不在多,而在于精” 事实证明, 此言得之. 太多的自满,太多的不深刻 太多…

It is a characteristic of wisdom not to do desperate things. 不做孤注一掷的事情是智慧的表现. We are told that we had better not to put all our eggs into one basket, that means, we must learn how to spread the risks so as to reduce the potential risks to the minimum…

1.操作系统版本 [root@localhost ~]# cat /etc/redhat-release #CentOS release 6.9 (Final) 2.当前glibc版本 [root@localhost ~]# /lib64/libc.so. GNU C Library stable release version 2.12, by Roland McGrath et al. 3.安装glibc2.15 [root@localhost ~]# wget http://ftp.gnu…

0.说明 markdown是一种书写格式,html是一种发布格式.markdown的语法种类只对应html标记的一小部分(只涵盖纯文本). 不在markdown涵盖范围的标签,都可以直接在文档里用html书写,不需要格外标注. 一些格式html区块元素:<div> <table> <pre> <p>等,必须在前面加上空行与其他内容隔开,并且开始和结束时不能用空格来缩进. 更详细的教程地址:http://www.appinn.com/markdown/inde…

本文转自 https://blogs.msdn.microsoft.com/visualstudio/2018/11/19/visual-studio-2017-version-15-9-now-available/ 本文章为机器翻译. 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/ 访问. 今天,我们发布Visual Studio 2017 15.9版.更新的最简单方法是直接在Visual Studio 2017中通过选择Help…

https://www.cnblogs.com/liuhouhou/p/5400540.html Linux kill -9 和 kill -15 的区别 大家对kill -9 肯定非常熟悉,在工作中也经常用到.特别是你去重启tomcat时.可是多半看来,我们对-9的理解只是表面而已. 很少有人(包括我)认真的去了解一下 kill -n 这个n到底是什么东东.自我批评一下. 好吧.我们来好好的认识一下这个熟悉的陌生人. 1)kill 从help中可以清晰的看到 -n 指的是 信号编号,那问题来了…

题目:Problem J. TerminalInput file: standard inputOutput file: standard inputTime limit: 2 secondsMemory limit: 256 mebibytesN programmers from M teams are waiting at the terminal of airport. There are two shuttles at the exitof terminal, each shuttle…

In every triumph, there's a lot of try. 每个胜利背后都有许多尝试. There's a lot of try behind every success, and there's as well a lot of try behind some failure. And the later will be much more disappointed, but the usual condition is that I failed once, then I…

题意:让你构造一个n个点的简单多边形,使得所有点是整点,并且所有边长是整数,并且没有边平行于坐标轴. 就利用勾股数,如下图这样构造即可,n为偶数时,只需矩形拼成,n为奇数时,封上虚线边即可. #include<cstdio> using namespace std; struct Point{ int x,y; Point(const int &x,const int &y){ this->x=x; this->y=y; } Point(){} }p[1005];…

题意:给你一个序列,长度不超过52,每个元素不超过13.让你重新对这个序列排序,sum(i)表示i的前缀和,使得排序过后,对每个i,都有sum(i)%i==0. 深搜,加两个优化:①倒着从后向前搜:②枚举的时候不要枚举52个,而枚举值域(只有13),能快一点. 另外,一开始想的是相同的元素在最后一定都相邻,但是事实上试了试之后发现不行. #include<cstdio> #include<cstdlib> using namespace std; int path[60],a[60…