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I am using following code for displaying a Screen/View Controller. SearchParams *nxt=[[SearchParams alloc] initWithNibName:@"SearchParams" bundle:nil]; UINavigationController *nvc=[[UINavigationController alloc] initWithRootViewController:nxt]; nvc.modalPresentationStyle=UIModalPresentationFormSheet; [self.preLCtr.preCinescape_iPadViewController presentModalViewController:nvc animated:YES]; I am not sure about the size of PesentationSheet. I tried to take screenshots & take dimentions/size. But its not the exact solution. Question : What is the exact size of Present-Modal-Sheet in iPad ?

I had a quick Google, and a quick look around StackOverflow, but couldn't find anyone else who'd run into this problem. I want to create a close button with a little X in it. The close button will do things like fade in and out when you're hovering over the item containing it, change colour when you mouse over, and all the usual WPF loveliness. Bottom line, it doesn't seem like it should be that difficult, but I'm running into one of the weirdest issues ever before I've even got to this stage. Here's my XAML style for the button: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx

length——数组的属性； length()——String的方法； size()——集合的方法； 来源： https://www.cnblogs.com/zhlblogs/p/11906442.html

How can I apply a dynamic width and height to a react-bootstrap modal window? I have checked the react-bootstrap docs here but could not figure out how to do that. Actually the value of width and height props would be dynamic (could be any values) as this will be a reusable component in my app (to be used on many pages) thus can't apply width/height through some CSS class. 'bsSize' property as mentioned in docs also not working, although predefined sizes of xs, md, lg is not what I exactly want, rather I need width and height to be set on modal via props. Here is my sample JSX code: var

How do I get the byte size of a multibyte-character string in Visual C? Is there a function or do I have to count the characters myself? Or, more general, how do I get the right byte size of a TCHAR string? Solution: _tcslen(_T("TCHAR string")) * sizeof(TCHAR) EDIT: I was talking about null-terminated strings only. According to MSDN , _tcslen corresponds to strlen when _MBCS is defined. strlen will return the number of bytes in the string. If you use _tcsclen that corresponds to _mbslen which returns the number of multibyte characters . Also, multibyte strings do not (AFAIK) contain embedded

题目： 　　有一个二维矩阵 grid ，每个位置要么是陆地（记号为 0 ）要么是水域（记号为 1 ）。 　　我们从一块陆地出发，每次可以往上下左右 4 个方向相邻区域走，能走到的所有陆地区域，我们将其称为一座「岛屿」。 　　如果一座岛屿 完全 由水域包围，即陆地边缘上下左右所有相邻区域都是水域，那么我们将其称为 「封闭岛屿」。 　　请返回封闭岛屿的数目。　 　　 　 　　 输入 ：grid = [[1,1,1,1,1,1,1,0],[1,0,0,0,0,1,1,0],[1,0,1,0,1,1,1,0],[1,0,0,0,0,1,0,1],[1,1,1,1,1,1,1,0]] 　　 输出 ：2 　　 解释： 灰色区域的岛屿是封闭岛屿，因为这座岛屿完全被水域包围（即被 1 区域包围）。 分析： 　　1.对于边界而言，即使其为陆地，也至少存在一个变不能临近水域，所以不可能构成孤岛； 　　2.对于边界上的陆地而言，其相邻的陆地，肯定也构不成孤岛，即所能到达的陆地，均不可以。 　　3.对于剩余区域的陆地X，其所能到达的陆地Y，能够和X构成同一片岛屿。 方案：（参考别人的 https://leetcode-cn.com/problems/number-of-closed-islands/solution/yi-ti-kan-tou-dfs-he-dfs-by-xiao-xiao-suan-fa

I've been struggling with this for a while and cannot seem to find a straight answer. I'm working with compound subgraphs in graphviz and cannot seem to find the right combination of settings to force two subgraphs to align with each other. Enclosed is a simple example to show the problem... digraph g { compound=true; subgraph cluster_top { graph [color=black, label="Top", rank=min]; nodeA; nodeB; nodeC cluster_top_DUMMY [shape=point style=invis] } subgraph cluster_service { graph [color=black, label="Bottom", rank=min]; node1; node2; node3; node4; node5; extra_long_node cluster_bottom_DUMMY