01 新的一个月,也是16年最后一个月,意义非凡. 那么第一天就要来点非凡的意义:提出离职. 纠结了好久,最后还是离职了,感觉是好他妈的爽,纠结什么呢. 不过今天状态不好,最近状态一直不好,上火,也没睡好.上班迷迷糊糊.5:30就跑路. 回来本来打算今天搞定blog v2 .基本搞定了前台校验,可惜rsa前后台加密解密还没太搞明白. 睡觉前还是搞定了,觉得不错. 02 有点上火,虽然离职了,工作中还是要改的代码一大堆,有些无奈. 最近上火了,不是特别舒服. 关于blog,今天主要是做些小的改动.…

在windows下安装的参考官方地址:https://docs.mongodb.com/manual/tutorial/install-mongodb-on-windows/ Mongodb的安装与启动 下载链接:http://www.mongodb.org/downloads 第一步:下载安装包 第二步:在D盘下新建目录“D:\Mongodb”,把下载到的安装包解压缩,然后把bin目录copy到D:\Mongodb下 第三步:在“D:\Mongodb”目录下新建“data”文件夹,它将会成为数…

We use testlink to manage cases, and the frame is below: Project Name -All Features(Modules) -Feature 1 -UI -Function -Workflow -Detail(Sometimes, the case needs to give the explanation for current expected result) -Performance -Forward Compatibility…

1 什么是RAID RAID全称是独立磁盘冗余阵列(Redundant Array of Independent Disks),基本思想是把多个磁盘组合起来,组合一个磁盘阵列组,使得性能大幅提高. RAID分为几个不同的等级,各个不同的等级均在数据可靠性及读写性能做了不同的权衡.实际工作中根据自己的业务需求选择不同的RAID方案. 2 RAID的实现方式 外接式磁盘阵列:通过扩展卡提供适配能力 内接式RAID:主板集成RAID控制器安装OS前在BIOS里配置 软件RAID:通过OS实现 3 标准…

我为什么吃撑了要实现go的aes-cbc-256加密解密功能? 之前的项目是用php实现的,现在准备用go重构,需要用到这个功能,这么常用的功能上网一搜一大把现成例子,于是基于go现有api分分钟实现一对加密解密函数,你想得没错,一跑就失败,好了不废话了,go的aes-cbc实现由两个限制 1:面临两个问题 1:go秘钥长度必须是16/24/32 go源码如下,我们的秘钥长度是72,不符合啊 // NewCipher creates and returns a new cipher.Block.…

磁盘管理系列 linux磁盘管理系列一:磁盘配额管理   http://www.cnblogs.com/zhaojiedi1992/p/zhaojiedi_linux_040_quota.html linux磁盘管理系列二:软RAID的实现  http://www.cnblogs.com/zhaojiedi1992/p/zhaojiedi_linux_041_raid.html linux磁盘管理系列三:LVM的使用        http://www.cnblogs.com/zhaojiedi…

文章来自:http://freetds.cvs.sourceforge.net/*checkout*/freetds/freetds/doc/tds.html 该网站是免费的专门介绍TDS协议的,网址是:http://www.freetds.org/ 页面是我贴过来的,部分跳转有些问题,有兴趣的可以直接浏览原页面. This document attempts to cover the TDS protocol for: TDS Version Supported Products 4.2 Sy…

1:错误信息:如下 [root@host ~]# systemctl status mariadb ● mariadb.service - MariaDB database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled) Drop-In: /etc/systemd/system/mariadb.service.d └─migrated-from-my…

gst-crypto GStreamer插件 内容 1. gst-crypto概述 1.1gst-crypto GStreamer插件功能 1.2用例范例 2. GStreamer插件支持 3. 在本地Linux PC上构建并运行 3.1源代码获取 3.1.1GStreamer 0.10.x 3.1.2GStreamer 1.x 3.2汇编 4. gst-crypto源代码 4.1位置 5. RR SDK集成 5.1 GStreamer 0.10.x 5.1.1子目录结构 5.1.2fs / a…

[BZOJ1672][Usaco2005 Dec]Cleaning Shifts Description Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their barn to be immaculate. Farmer John, the most obliging of farmers, has no choice but hire…

1672: [Usaco2005 Dec]Cleaning Shifts 清理牛棚 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 414  Solved: 191[Submit][Status] Description Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their barn to…

题目 1672: [Usaco2005 Dec]Cleaning Shifts 清理牛棚 Time Limit: 5 Sec  Memory Limit: 64 MB Description Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their barn to be immaculate. Farmer John, the most…

子树操作, dfs序即可.然后计算<=L就直接在可持久化线段树上查询 ------------------------------------------------------------------- #include<bits/stdc++.h>   using namespace std;   #define M(l, r) (((l) + (r)) >> 1)   const int maxn = 200009;   typedef long long ll;  …

3892: [Usaco2014 Dec]Marathon Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 169  Solved: 100[Submit][Status][Discuss] Description Unhappy with the poor health of his cows, Farmer John enrolls them in an assortment of different physical fitness acti…

3891: [Usaco2014 Dec]Piggy Back Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 116  Solved: 92[Submit][Status][Discuss] Description Bessie and her sister Elsie graze in different fields during the day, and in the evening they both want to walk back…

[BZOJ3011][Usaco2012 Dec]Running Away From the Barn Description It's milking time at Farmer John's farm, but the cows have all run away! Farmer John needs to round them all up, and needs your help in the search. FJ's farm is a series of N (1 <= N <=…

[Usaco2005 Dec] Cleaning Shifts 清理牛棚 题目描述 Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their barn to be immaculate. Farmer John, the most obliging of farmers, has no choice but hire some of th…

NC24866 [USACO 2009 Dec S]Music Notes 题目 题目描述 FJ is going to teach his cows how to play a song. The song consists of N (1 <= N <= 50,000) notes, and the i-th note lasts for Bi (1 <= Bi <= 10,000) beats (thus no song is longer than 500,000,000…

三星Note 7发售两个月即成为全球噩梦,从首炸到传言停产仅仅47天.所谓"屋漏偏逢连天雨",相比华为.小米等品牌对其全球市场的挤压.侵蚀,Galaxy Note 7爆炸事件这场连天雨算是把三星淋了个措手不及,致其声誉扫地.危机重重. 表面看来,此事件源于电池自燃,深究起来可以追溯到管理层变动带来的组织管理问题,再深究,业务流程管理系统可能是最基础和最关键的因素. 高层变动,赶超苹果埋祸端 2014年5月,三星老掌柜李健熙重病入院,儿子李在镕与元老崔志成(G.S.Choi)共掌时局.同…

Mem pro 是一个主要集成内存泄露检测的工具,其具有自身的源码和GUI,在GUI中利用"Launch" button进行加载自己待检测的application,目前支持的平台为Windows,Unix, Linux, OSX, IOS, GCC:但是按照官网的说法,其虽然只能运行到WIN上,但是根据TCP协议传输dump的方式也可以和其他平台的app进行连接: 关于内存泄露,按照官方文档中的说法,其检测内存泄露的算法主要是两种,一种是在抓取dump时候未被引用的变量会被认定为泄露,…

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 整体模块module分析: 打开Strate…

1692: [Usaco2007 Dec]队列变换 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 1383  Solved: 582[Submit][Status][Discuss] Description FJ打算带他的N(1 <= N <= 30,000)头奶牛去参加一年一度的“全美农场主大奖赛”.在这场比赛中,每个参赛者都必须让他的奶牛排成一列,然后领她们从裁判席前依次走过. 今年,竞赛委员会在接受队伍报名时,采用了一种新的登记规则:他们把所…

1717: [Usaco2006 Dec]Milk Patterns 产奶的模式 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 1017  Solved: 561[Submit][Status][Discuss] Description 农夫John发现他的奶牛产奶的质量一直在变动.经过细致的调查,他发现:虽然他不能预见明天产奶的质量,但连续的若干天的质量有很多重叠.我们称之为一个“模式”. John的牛奶按质量可以被赋予一个0到1000000之间的…

1691: [Usaco2007 Dec]挑剔的美食家 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 786  Solved: 391[Submit][Status][Discuss] Description 与很多奶牛一样,Farmer John那群养尊处优的奶牛们对食物越来越挑剔,随便拿堆草就能打发她们午饭的日子自然是一去不返了.现在,Farmer John不得不去牧草专供商那里购买大量美味多汁的牧草,来满足他那N(1 <= N <= 100,…


Given
 an 
arbitrary
 ransom
 note
 string 
and 
another 
string 
containing 
letters from
 all 
the 
magazines,
 write 
a 
function 
that 
will 
return 
true 
if 
the 
ransom 
 note 
can 
be 
constructed 
from 
the 
magazines ; 
otherwise, 
it 
wil…

4742: [Usaco2016 Dec]Team Building Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 21  Solved: 16[Submit][Status][Discuss] Description Every year, Farmer John brings his NN cows to compete for "best in show" at the state fair. His arch -rival, F…

4390: [Usaco2015 dec]Max Flow Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 177  Solved: 113[Submit][Status][Discuss] Description Farmer John has installed a new system of N−1 pipes to transport milk between the N stalls in his barn (2≤N≤50,000), c…

题目描述 Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their barn to be immaculate. Farmer John, the most obliging of farmers, has no choice but hire some of the cows to clean the barn. Farmer John…

1. Translating Java Classes to Scala Classes Example 1: # a class declaration in Java public class Book{} # Scala equivalent of a class declaration class Book Example 2: # a Java class with a Construtor public class Book{ private final int isbn; priv…

1. Unified Type System Scala has a unified type system, enclosed by the type Any at the top of the hierarchy and the type Nothing at the bottom of the hierarchy. All Scala types inherit from Any. # Using Any, Book extends AnyRef, and x is an Int that…