Element Tabs 组件中使用 ve-histogram组件渲染不出来 发现问题提了issue,饿了么前端“西瓜”同学很快做了回复,饿了么大前端团队有沉淀很专业,赞. tip: GitHub 的用法与礼仪 心得:使用开源库发现问题时,先自己探索尝试各种情况,并留下痕迹,然后可以和相关方讨论.提issue eg,发现tab中嵌柱状图不能正常渲染(VIEW) , HTML(不能正常渲染的:width为0) HTML(能正常渲染的:width不为0) 据经验地图.图表等基于canvas的功能,c

最近一段时间一直在研究热部署,热部署中涉及到一个比较头痛的问题就是查内存泄露(Memory Leak),于是乎在研究热部署的过程中,干的最多的一件事就是查内存泄露.       查内存泄露,最开始尝试用JDK自身的工具去解决这件事,通过jstat和jmap,去发现是否有内存泄露,当判断有内存泄露存在时,试图要去寻找内存泄露的点时,发现单纯使用JDK自身提供的工具没有什么很好的办法,我尝试过Jhat,发现查起来太困难了,后来对比网上推荐的工具,我选择了MAT(Memory Analyzer Too

获得堆转储文件 巧妇难为无米之炊,我们首先需要获得一个堆转储文件.为了方便,本文采用的是 Sun JDK 6.通常来说,只要你设置了如下所示的 JVM 参数: -XX:+HeapDumpOnOutOfMemoryError JVM 就会在发生内存泄露时抓拍下当时的内存状态,也就是我们想要的堆转储文件. 如果你不想等到发生崩溃性的错误时才获得堆转储文件,也可以通过设置如下 JVM 参数来按需获取堆转储文件. -XX:+HeapDumpOnCtrlBreak 除此之外,还有很多的工具,例如 JMap

[转]http://wensong.iteye.com/blog/1986449 最近一段时间一直在研究热部署,热部署中涉及到一个比较头痛的问题就是查内存泄露(Memory Leak),于是乎在研究热部署的过程中,干的最多的一件事就是查内存泄露.       查内存泄露,最开始尝试用JDK自身的工具去解决这件事,通过jstat和jmap,去发现是否有内存泄露,当判断有内存泄露存在时,试图要去寻找内存泄露的点时,发现单纯使用JDK自身提供的工具没有什么很好的办法,我尝试过Jhat,发现查起来太困难

转载出处:https://wensong.iteye.com/blog/1986449 最近一段时间一直在研究热部署,热部署中涉及到一个比较头痛的问题就是查内存泄露(Memory Leak),于是乎在研究热部署的过程中,干的最多的一件事就是查内存泄露.       查内存泄露,最开始尝试用JDK自身的工具去解决这件事,通过jstat和jmap,去发现是否有内存泄露,当判断有内存泄露存在时,试图要去寻找内存泄露的点时,发现单纯使用JDK自身提供的工具没有什么很好的办法,我尝试过Jhat,发现查起来

Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3]. The largest

题目: Largest Rectangle in Histogram Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given h

http://blog.csdn.net/abcbc/article/details/8943485 具体的题目描述为: Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width

Description A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have different heights. For example, the figure on the left shows the histogram that consists of rectang

题目如下:(https://leetcode.com/problems/largest-rectangle-in-histogram/) Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.          Above is a hist

Largest Rectangle in a Histogram Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 16   Accepted Submission(s) : 6 Problem Description A histogram is a polygon composed of a sequence of rectangles

Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3]. The largest

Largest Rectangle in a Histogram Problem Description: A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have different heights. For example, the figure on the left sh

题目: Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3]. The larg

Largest Rectangle in a Histogram

作者:jostree 转载请注明出处 http://www.cnblogs.com/jostree/p/4052343.html 题目链接 leetcode Largest Rectangle in Histogram 单调栈 对于每一个长条都向前找包含这个长条的最大面积使可行的,但是时间复杂度是O(n^2)大数据会超时.经过观察发现并不需要对每一个长条都向前查找,对于height[i],如果height[i+1]>height[i],那么就没有必要向前查找,原因是可以从height[i]查找到

Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height = [2,1,5,6,2,3]. The largest

Largest Rectangle in a Histogram Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 15831   Accepted: 5121 Description A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal wi

Question Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width of each bar is 1, given height =[2,1,5,6,2,3]. The

                                                                                                   Largest Rectangle in a Histogram       A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have

Largest Rectangle in a Histogram Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11637    Accepted Submission(s): 3197 Problem Description A histogram is a polygon composed of a sequence of rec