begin

WPF StoryBoard.Completed event not firing

匿名 (未验证) 提交于 2019-12-03 01:05:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have an animation before closing the main window, like the following code shows. Problem is the StoryBoard.Completed is not firing. Any clues what is causing this? Code DoubleAnimation dblAnimX = new DoubleAnimation(1.0, 0.0, new Duration(TimeSpan.FromSeconds(0.5))); dblAnimX.SetValue(Storyboard.TargetProperty, this); DoubleAnimation dblAnimY = new DoubleAnimation(1.0, 0.0, new Duration(TimeSpan.FromSeconds(0.5))); dblAnimY.SetValue(Storyboard.TargetProperty, this); Storyboard story = new Storyboard(); Storyboard.SetTarget(dblAnimX, this);

How to Ignoring errors in Trigger and Perform respective operation in MS SQL Server

匿名 (未验证) 提交于 2019-12-03 00:59:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I have create AFTER INSERT TRIGGER Now if any case if error occur while executing Trigger. It should not effect Insert Operation on Triggered table. in One word if any ERROR occur in trigger it should Ignore it. As I have used BEGIN TRY END TRY BEGIN CATCH END CATCH But it give following error message and Rolled back Insert operation on Triggered table An error was raised during trigger execution. The batch has been aborted and the user transaction, if any, has been rolled back. 回答1: Interesting problem. By default, triggers are designed

Finally Clause in SQL Server Transaction? Something that will execute irrespective of success or failure?

匿名 (未验证) 提交于 2019-12-03 00:57:01
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: In SQL Server, is there something similar to finally clause in try..catch... block of c# ? I mean, I am using BEGIN TRAN, END TRAN, COMMIT TRAN, ROLLBACK TRAN etc in a SQL Server transaction and want a section or some set of actions that needs to fire irrespective of success or failure or transaction. Is there a solution for that? (similar to finally block on try/catch of OOPS languages). Thanks in advance 回答1: There isn't anything that will run "irrespective of success or failure" with 100% reliability. It doesn't matter whether you're

C++ pair用法

匿名 (未验证) 提交于 2019-12-03 00:41:02
刷leecode有这么一道题: A B ,A 相对于 B 的 优势 A[i] > B[i] i A B 我第一次想的是枚举法,然后超时了。 class Solution { public : vector < int > advantageCount(vector< int >& A, vector< int >& B) { int max = 0 ; vector < int > maxVector; maxVector.insert(maxVector.begin(), A.begin(), A.end()); sort(A.begin(), A.end()); do { int count = 0 ; for ( int i = 0 ; i < A.size(); i ++ ) { if (A[i] > B[i] ) count++ ; } if (count > max) { max = count; maxVector.clear(); maxVector.insert(maxVector.begin(), A.begin(), A.end()); } } while (next_permutation(A.begin(), A.end())); return maxVector; } }; 1.首先两个数组进行排序,如果数组A[i] > B[j];

PAT 乙级 1048 数字加密

匿名 (未验证) 提交于 2019-12-03 00:39:02
输入样例: 1234567 368782971 输出样例: 3695Q8118 思路很容易就能想到。注意,如果两个数字长度不相等,需要在短的那一个数字前面补零。 #include <iostream> #include <stdio.h> #include <string.h> #include <string> #include <map> #include <queue> #include <stack> #include <algorithm> using namespace std; void encryption(vector<int> s1,vector<int> s2); int main() { vector<int> s1,s2; char c; c=getchar(); while(c!=‘ ‘&&c!=‘\n‘) { s1.push_back(c-‘0‘); c=getchar(); } c=getchar(); while(c!=‘ ‘&&c!=‘\n‘) { s2.push_back(c-‘0‘); c=getchar(); } //补全两个字符串的长度 if(s1.size()>s2.size()) { while(s1.size() != s2.size()) s2.insert(s2.begin() ,0); } if(s1.size()<s2

[leetcode]493. Reverse Pairs

匿名 (未验证) 提交于 2019-12-03 00:26:01
链接:https://leetcode.com/problems/reverse-pairs/description/ nums (i, j) important reverse pair i < j nums[i] > 2*nums[j] . You need to return the number of important reverse pairs in the given array. Example1: Input : [1,3,2,3,1] Output : 2 Example2: Input : [2,4,3,5,1] Output : 3 class Solution { public: int reversePairs(vector<int>& nums) { return sort_and_count(nums.begin(),nums.end()); } int sort_and_count(vector<int>::iterator begin,vector<int>::iterator end) { if(end-begin<=1) return 0; auto mid=begin+(end-begin)/2; int count=sort_and_count(begin,mid)+sort_and_count(mid,end); for(auto i

LeetCode 11. Container With Most Water

匿名 (未验证) 提交于 2019-12-03 00:19:01
前面两道Hard类型的题目 等我彻彻底底弄明白了再仔仔细细写一篇先。 这道Medium的题我觉得超级棒的说。出题的人太有水平了,比直方图面积的单调栈要简单,暴力解法会超时,但是O(N)的解法是又精巧又直观,我自己就没想出来,看了提示才知道的。 n a 1 a 2 a n , where each represents a point at coordinate ( i a i n i i a i ) and ( i , 0). Find two lines, which together with x-axis forms a container, such that the container contains the most water. n 提示: Initially we consider the area constituting the exterior most lines. Now, to maximize the area, we need to consider the area between the lines of larger lengths. since it is limited by the shorter line. This is done since a relatively longer line obtained by moving

向量vector 容器浅析

坚强是说给别人听的谎言 提交于 2019-12-03 00:17:54
一、什么是vector? 向量(Vector)是一个封装了动态大小数组的顺序容器(Sequence Container)。跟任意其它类型容器一样,它能够存放各种类型的对象。可以简单的认为,向量是一个能够存放任意类型的动态数组。 二、容器特性 1.顺序序列 顺序容器中的元素按照严格的线性顺序排序。可以通过元素在序列中的位置访问对应的元素。 2.动态数组 支持对序列中的任意元素进行快速直接访问,甚至可以通过指针算述进行该操作。操供了在序列末尾相对快速地添加/删除元素的操作。 3.能够感知内存分配器的(Allocator-aware) 容器使用一个内存分配器对象来动态地处理它的存储需求。 三、基本函数实现 1.构造函数 vector():创建一个空vector vector(int nSize):创建一个vector,元素个数为nSize vector(int nSize,const t& t):创建一个vector,元素个数为nSize,且值均为t vector(const vector&):复制构造函数 vector(begin,end):复制[begin,end)区间内另一个数组的元素到vector中 2.增加函数 void push_back(const T& x):向量尾部增加一个元素X iterator insert(iterator it,const T& x)

地铁线路规划

匿名 (未验证) 提交于 2019-12-03 00:14:01
[博客园] https://www.cnblogs.com/yuqiang31701023/ [GitHub] https://github.com/yuqiang1999/Subway 本次个人项目,我选择实现的编程语言是 java ,采用了 eclipse 编程工具实现。程序通过读取 csv 的数据文件来获得地铁线路数据,实现了地铁线路和站点的查询以及两站点之间最短路径的输出。 Personal Software Process Stages 时间 数据格式设计、数据输入 5h 类构件 1h ui设计实现 2h 功能实现 12h 代码测试 2h 总结分析 1h 合计 23h ''' public class FloydInGraph { private static int INF = Integer . MAX_VALUE ; private int [][] dist ; private int [][] path ; private List < Integer > result = new ArrayList < Integer >(); public FloydInGraph ( int size ){ //构造函数 this . path = new int [ size ][ size ]; this . dist = new int [ size ][ size

LaTeX常用篇(一)---公式输入

匿名 (未验证) 提交于 2019-12-03 00:13:02
Ŀ¼ 更新时间:2019.10.01 )写一个简单的数学公式也还是比较方便的。然而,当我们需要大量输入复杂的数学公式时,用word就十分崩溃了。这一天,我终于想起一度被word所支配的恐怖和手输了一晚上数学公式的屈辱??? 。 。 无参数命令: 主要是以\command的形式输入,例如 \hline 有n个参数命令: 主要是以\command{parameter 1}{parameter 2} \(\cdots\) {parameter n}的形式输入,例如 \begin{equation} 。 有备选参数的命令: 主要是以\command[arg] {parameter 1}{parameter 2} \(\cdots\) {parameter n}的形式输入,例如 \sqrt[n]{x^2 + y^2} \begin{} 和 \end{} 的命令 ,而无编号公式主要分为两种输入方式。 $ 包着想要输入的内容,来具体看一个例子: 随机变量 $X$ 的分布函数为 $F ( x ) $ ,求出它的对应的密度函数 $f ( x ) $ 显示效果: 随机变量 \(X\) 的分布函数为 \(F(x)\) ,求出它的对应的密度函数 \(f(x)\) $$ 包着想要输入的内容,来具体看一个例子: 我们熟知的勾股定理是: $$a ^ 2 + b ^ 2 = c ^ 2 $$ 显示效果: