我们一数据库服务器上有个作业最近几天偶尔会遇到下面错误(敏感信息已做处理),主要是报"TCP Provider: The semaphore timeout period has expired. [SQLSTATE 07008] (Error 121)  OLE DB provider "SQLNCLI" for linked server "(null)" returned message "Communication link failur…

今天遇到了Reporting Services(SQL SERVER 2008 R2)的报表执行异常情况,报表加载数据很长时间都没有响应,最后报"An error occurred within the report server database.  This may be due to a connection failure, timeout or low disk condition within the database.;".检查C:\Program Files\Micro…

本文将介绍FPGA中和时钟有关的相关概念,阅读本文前需要对时序收敛的基本概念和建立.保持关系有一定了解,这些内容可以在时序收敛:基本概念,建立时间和保持时间(setup time 和 hold time)中找到. 系列目录      时序收敛:基本概念     建立时间和保持时间(setup time 和 hold time)     OFFSET约束(OFFSET IN 和OFFSET OUT)     Clock Skew , Clock uncertainly 和 Period     特…

传送门 Description Let S be a number string, and occ(S,x) means the times that number x occurs in S. i.e. S=(1,2,2,1,3),occ(S,1)=2,occ(S,2)=2,occ(S,3)=1. String u,w are matched if for each number i, occ(u,i)=occ(w,i) always holds. i.e. (1,2,2,1,3)≍(1,3,…

Period 题目大意:给定一个字符串,要你找到前缀重复了多少次 思路,就是kmp的next数组的简单应用,不要修正next的距离就好了,直接就可以跳转了 PS:喝了点酒用递归实现除法和取余了...结果tle不知道怎么回事... #include <iostream> #include <functional> #include <algorithm> #include <string> using namespace std; typedef int Po…

cargo插件,报错:failed to finish deploying within the timeout period [120000] 解决方法:配置timeout为0 <plugin> <groupId>org.codehaus.cargo</groupId> <artifactId>cargo-maven2-plugin</artifactId> <version></version> <configu…

/** * get period for last year * @param time * @return */ public static DatePeriodDTO getLastYear(long time) { Calendar calendar = Calendar.getInstance(); //get last year calendar.add(Calendar.YEAR, -1); int lastYear = calendar.get(Calendar.YEAR); ca…

今天碰到了一个查询异常问题,上网查了一下,感谢原创和译者 如果你使用的数据库连接类是 the Data Access Application Blocks "SqlHelper" 或者 SqlClient Class , 你在执行一个很费时的SQL 操作时候,可能就会碰到下面的超时异常. --------------------------- ---------------------------Timeout expired.  The timeout period elapsed…

Period Time Limit: 3000MSMemory Limit: 30000K Total Submissions: 12089Accepted: 5656 Description For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the prefi…

[LA3026]Period 试题描述 For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the prefix is a periodic string. That is, for each i (2 ≤ i ≤ N) we want to know the l…