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Xcode 6 Storyboard大小错误? - Xcode 6 Storyboard the wrong size?

问题: Built a new project from scratch in Swift in Xcode 6 (Beta 1) and have seen some strange behaviour with Storyboards and the output that I am viewing. 在Xcode 6(Beta 1)中...

使用 SVG 的圆弧路径绘制圆形 - Circle drawing with SVG's arc path

问题: Short question: using SVG path, we can draw 99.99% of a circle and it shows up, but when it is 99.99999999% of a circle, then the circle won't show up.简短的问题:使用SVG...

45分钟前
0
使用write.csv时,防止将行名写入文件 - Prevent row names to be written to file when using write.csv

问题: Commands: 命令: t <- data.frame(v = 5:1, v2 = 9:5) write.csv(t, "t.csv") Resulting file: 产生的文件: # "","v","v2" # "1",5,9 # "2",4,8 # "3",3,7 # "4",2,6 # "5",1,5 Ho...

今天 13:07
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如何在bash中使用mod运算符? - How to use mod operator in bash?

问题: I'm trying a line like this: 我正在尝试这样一条线: for i in {1..600}; do wget http://example.com/search/link $i % 5; done; What I'm trying to get as output is: 我想要输出...

今天 12:49
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从一个文件中删除另一个文件中的行 - Deleting lines from one file which are in another file

问题: I have a file f1 :我有一个文件f1 : line1 line2 line3 line4 .. .. I want to delete all the lines which are in another file f2 :我想删除另一个文件f2所有行: line2 line8 .....

今天 12:10
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在 Go 中遍历结构体的字段 - Iterate through the fields of a struct in Go

问题: Basically, the only way (that I know of) to iterate through the values of the fields of a struct is like this:基本上,遍历struct字段值的唯一方法(据我所知)是这样的: ty...

go
今天 12:02
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在PowerShell中检查路径是否存在的更好方法[关闭] - A better way to check if a path exists or not in PowerShell [closed]

问题: Closed . 关闭。 This question is opinion-based . 这个问题是基于意见的。 It is not currently accepting answers. 它目前不接受答案。 Want to improve this question?想改善这个...

计算最大值,或 CSS 中计算的最大值 - Calc of max, or max of calc in CSS

问题: Is it possible to do something like this是否有可能做这样的事情 max-width: calc(max(500px, 100% - 80px)) or要么 max-width: max(500px, calc(100% - 80px))) in CSS?在 CSS 中?...

今天 09:20
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Rails:如何使用Rails控制台列出数据库表/对象? - Rails: How to list database tables/objects using the Rails console?

问题: I was wondering if you could list/examine what databases/objects are available to you in the Rails console. 我想知道您是否可以在Rails控制台中列出/检查哪些数据库/对象可用。...

今天 07:18
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将javascript数组转换为字符串 - Convert javascript array to string

问题: I'm trying to iterate over a "value" list and convert it into a string.我正在尝试遍历“值”列表并将其转换为字符串。 Here is the code:这是代码: var blkstr = $.each(value,...

在vim中打开文件后返回目录浏览 - Go to back directory browsing after opening file in vim

问题: When I open a directory browsing in vim, I can open a file by moving the cursor to a file name and pressing Enter .当我在 vim 中打开目录浏览时,我可以通过将光标移动到文件...

今天 05:30
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如何防止 IFRAME 重定向顶级窗口 - How to prevent IFRAME from redirecting top-level window

问题: Some websites have code to "break out" of IFRAME enclosures, meaning that if a page A is loaded as an IFRAME inside an parent page P some Javascript in A redirects the ou...

今天 05:09
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矩阵 OpenCV 的大小 - Size of Matrix OpenCV

问题: I know this might be very rudimentary, but I am new to OpenCV.我知道这可能非常初级,但我是 OpenCV 的新手。 Could you please tell me how to obtain the size of a matrix in...

今天 04:33
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Java中的标记接口? - Marker Interfaces in Java?

问题: I was being taught that Marker interface in Java is an empty interface and is used to signal to compiler or JVM that the objects of the class implementing this interface ...

今天 04:21
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C++中的私有虚方法 - Private virtual method in C++

问题: What is the advantage of making a private method virtual in C++?在 C++ 中将私有方法设为虚拟有什么好处? I have noticed this in an open source C++ project:我在一个开源 C+...

c++
今天 04:01
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Flutter:如何正确使用继承的小部件? - Flutter: How to correctly use an Inherited Widget?

问题: What is the correct way to use an InheritedWidget?使用 InheritedWidget 的正确方法是什么? So far I understood that it gives you the chance to propagate data down the Widg...

HTML 的转义文本 - Escape text for HTML

问题: How do i escape text for html use in C#?如何在 C# 中为 html 使用转义文本? I want to do我想要做 sample="<span>blah<span>" and have并且有 <span>blah<span> show up as plai...

今天 02:19
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如何引用初始提交? - How to reference the initial commit?

问题: I've got a script that needs to reference the initial commit in a repository.我有一个脚本需要引用存储库中的初始提交。 git has the special reference HEAD , but doesn't hav...

今天 01:54
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如何从 URL 中删除 .html? - How to remove .html from URL?

问题: How to remove .html from the URL of a static page?如何从静态页面的 URL 中删除.html ? Also, I need to redirect any url with .html to the one without it.另外,我需要将任何...

今天 01:23
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将 SVG 嵌入 ReactJS - Embedding SVG into ReactJS

问题: Is is possible to embed SVG markup into a ReactJS component?是否可以将 SVG 标记嵌入到 ReactJS 组件中? render: function() { return ( <span> <svg version="1.1" id="Layer_...

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