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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'm receiving the error "local variable box is accessed from within inner class; needs to be declared final". That seems alright, but I don't really think it's the best solution, so I was hoping maybe someone else can help me out. Here is my code: public void showPublisherBox(JComboBox box) { if (publisherBox == null) { publisherBox = new AddPublisherForm(); publisherBox.setLocationRelativeTo(this); } publisherBox.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent we) { this.populatePublishers(box); } private void

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 some questions about the following code: using System; namespace ConsoleApplication2 { public struct Disposable : IDisposable { public void Dispose() { } } class Program { static void Main(string[] args) { using (Test()) { } } static Disposable Test() { return new Disposable(); } } } My questions are: Will the using-statement that operates on the Disposable struct, returned from Test() box the struct, or not? How can I find the answer myself? To try to find out myself, I inspected the IL produced by the above code, and here's the IL

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 MS Visual studio, I'm trying to install Nuget packages into my solution. When I choose the option "Manage Nuget Packages for Solution" and attempt to install a package, I get the message "Unable to connect to the remote server". I do have Internet connection so do not understand why I always get this message. Is anyone aware of some steps that can be taken to rectify this issue? Thanks 回答1: Clearing HTTP_PROXY worked for me. Let me fix it myself Important: This section, method, or task contains steps that tell you how to modify the

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 am trying to create an algorithm that calculate the normals of a model/ mesh. People have been telling me to use the cross products between the two vectors which at first seem like a good idea until I discovered that it might not always work. For instance just imagine a box with its front face sitting at the origin and its back face down the Z axis. Here is an image: I do apologize for bad hand writing but that shouldn't be of any significance. As you can see,I cross v and u to get the normal pointing toward the positive z axis. However,

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: CSS box-shadow on table rows - tr - doesn't seem to be working consistently across browsers. On some browsers the shadow is displayed; on others, there is no shadow. I'm using the following CSS: tr { background-color: rgb(165, 182, 229); box-shadow: 0px 2px 2px black; -moz-box-shadow: 0px 2px 2px black; -webkit-box-shadow: 0px 2px 2px black; } td, th { padding: 5px; text-align: left; } Here is a jsFiddle of the below snippet: tr { background-color: rgb(165, 182, 229); box-shadow: 0px 2px 2px black; -moz-box-shadow: 0px 2px 2px black, ;

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): 由 翻译 强力驱动 问题: I found this famous dp problem in many places, but I can not figure out how to solve. You are given a set of n types of rectangular 3-D boxes, where the i^th box has height h(i), width w(i) and depth d(i) (all real numbers). You want to create a stack of boxes which is as tall as possible, but you can only stack a box on top of another box if the dimensions of the 2-D base of the lower box are each strictly larger than those of the 2-D base of the higher box. Of course, you can rotate a box so that any side functions as its base.

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: Here is the JSFIDDLE of my cat/animation without any drop-shadows to show the problem as clearly as I can. To my understanding this is being caused by the border-radius and possibly due to overflow: hidden; . The owl is not what this question is about , just an example of a similar situation I was in. The jsfiddle/cat is what this question is about, sorry for the mix up! Here is a JSFIDDLE for my cat with an inset box shadow using the blur property of a box-shadow and the pixelated edge is still the same around the eye. The answer on here

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: There is no way to have a tri-state check button (yes, no, null) in HTML, right? Are there any simple tricks or work-arounds without having to render the whole thing by oneself? 回答1: Edit Thanks to Janus Troelsen's comment, I found a better solution. HTML5 defines a property for checkboxes called indeterminate See w3c reference guide . To make checkbox appear visually indeterminate set it to true: element.indeterminate = true; Here is Janus Troelsen's fiddle . Note, however, that: The indeterminate state cannot be set in the HTML markup, it

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 am working on a web application that allows users to post content by tags but the thing is, how would I make a nice block around a tag if its separated by a comma and the text field value would still be the same only the view to the user would differ. An example would be such as YouTube or StackOverflow, for now I don't need it to check a database or anything. Thanks! 回答1: jsBin demo Something similar like StackOverflow does: Allows alphanumeric and +-.# (and trims whitespaces!) Convert to lowercase Create automatically the Tag Box on

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: How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing? 回答1: The Ziggurat algorithm is pretty efficient for this, although the Box-Muller transform is easier to implement from scratch (and not crazy slow). 回答2: There are plenty of methods: Do not use Box Muller. Especially if you draw many gaussian numbers. Box Muller yields a result which is clamped between -6 and 6 (assuming double precision. Things