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仅使用XAML绘制纯色三角形 - Draw solid color triangle using XAML only

问题: Is it possible to draw a filled in triangle using XAML only (not a code behind solution)? 是否可以仅使用XAML来绘制实心三角形(而不是解决方案背后的代码)? Triangle shoul...

笛卡尔积数据框 - Cartesian product data frame

问题: I have three or more independent variables represented as R vectors, like so:我有三个或更多自变量表示为 R 向量,如下所示: A <- c(1,2,3) B <- factor(c('x','y')) C <- c(0...

今天 13:36
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替代品<blink> - Alternative for <blink>

问题: The <blink> tag was never an official standard, and is now completely abandoned by all browsers. <blink>标签从来都不是官方标准,现在已经被所有浏览器完全抛弃了。 Is there...

今天 12:52
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替代品<blink> - Alternative for <blink>

问题: The <blink> tag was never an official standard, and is now completely abandoned by all browsers. <blink>标签从来都不是官方标准,现在已经被所有浏览器完全抛弃了。 Is there...

今天 12:52
0
Set Image from drawable as marker in Google Map version 2

问题: I am using this part of code to add a marker in a MapFragment in Google Map Version 2.我正在使用这部分代码在 Google Map Version 2 的MapFragment中添加标记。 MarkerOptions ...

今天 11:48
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Jquery ui - sortable: drag by icon 'handle' within sortable element

问题: I have jquery ui sortables working fine but my sortable elements have other interactive elements within them. 我的jQuery ui sortables工作正常,但我的sortable元素中还有其他...

Standard conventions for indicating a function argument is unused in JavaScript

问题: 是否有任何标准方法可以在 JavaScript 中将函数参数标记为未使用,类似于在 Ruby 中以下划线开头的方法参数? 解决方案: 参考:https://stackoom.com/en/question/2B69P......

使C浮点字面量浮动(而不是双精度) - Make C floating point literals float (rather than double)

问题: It is well known that in C, floating point literals (eg 1.23 ) have type double . 众所周知,在C中,浮点文字(例如1.23 )的类型为double 。 As a consequence, any calculatio...

Does virtualenv serve a purpose (in production) when using docker?

问题: For development we use virtualenv to have an isolated development when it comes to dependencies.对于开发,当涉及到依赖项时,我们使用 virtualenv 进行隔离开发。 From this ...

'&' 与 '&&' 的用法 - Usage of '&' versus '&&'

问题: I came across this:我遇到了这个: bool Isvalid = isValid & CheckSomething() bool Isvalid = isValid && CheckSomething() The second case could be a scenario for short circu...

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今天 08:35
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Flutter 是否会使用单个代码库自动在 iOS 中显示 Cupertino UI,在 Android 中显示 Material?

问题: I need to know whether Flutter will render the iOS Cupertino style on iOS and Material on Android with a single codebase.我需要知道 Flutter 是否会使用单个代码库在 iOS 上渲...

Github 操作在作业之间共享工作区/工件? - Github actions share workspace/artifacts between jobs?

问题: Trying to use Github's beta actions, I have two jobs, one that builds the code and then one that will deploy code.尝试使用 Github 的 beta 操作,我有两项工作,一项是构建代...

测试对象是否是参数类型的实例 - Test if object is instanceof a parameter type

问题: Is there a way to determine if an object is an instance of a generic type? 有没有办法确定对象是否是泛型类型的实例? public <T> test(Object obj) { if (obj instanceof T) { ...

今天 07:49
14
JavaScript 正则表达式和子匹配 - JavaScript regular expressions and sub-matches

问题: Why do Javascript sub-matches stop working when the g modifier is set?为什么设置g修饰符后 Javascript 子匹配停止工作? var text = 'test test test test'; var result = text....

今天 07:34
9
等效于Objective-C的静态构造函数? - Static constructor equivalent in Objective-C?

问题: I'm new to Objective C and I haven't been able to find out if there is the equivalent of a static constructor in the language, that is a static method in a class that wil...

如何在onTouchEvent()中区分移动和单击? - How to distinguish between move and click in onTouchEvent()?

问题: In my application, I need to handle both move and click events. 在我的应用程序中,我需要处理移动和单击事件。 A click is a sequence of one ACTION_DOWN action, several ACT...

如何在可视模式下将文本块保存到Vim中的文件? - How can I save a text block in visual mode to a file in Vim?

问题: The title is very descriptive. 标题非常具有描述性。 Just in case, I will give an example: 以防万一,我举一个例子: START BLOCK1 something END BLOCK1 START BLOCK2 somethi...

今天 05:54
12
Setting launchMode=“singleTask” vs setting activity launchMode=“singleTop”

问题: I have an app that is very hierarchical (activities are similar to League > Team > Position > Player) and so I've made each activity singleTop in order to keep navigation...

swift UITableView 设置 rowHeight - swift UITableView set rowHeight

问题: I am trying to set the height of each row in the tableView to the height of the corresponding cell with this code:我正在尝试使用以下代码将tableView中每一行的高度设置为相应...

Is it possible from Spring to inject the result of calling a method on a ref bean?

问题: Is it possible from Spring to inject the result of calling a method on a ref bean? 从Spring可以在ref bean上注入调用方法的结果吗? I'm trying to refactor some cut/pasted c...

今天 00:58
11

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