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问题 Why must the line continuation character (_) be the last one on the line? Is there a technical reason for this or is this a usual Microsoft "feature"? In other basic dialects you can add a comment after it, but not in VB.net, so I'm curious as to why Microsoft decided to not allow comments on these lines. 回答1: It has to be baked into the compiler, because the disassembled code looks no different. Take a look at the following code: Dim nameVar As String = "John" MsgBox("Hello " & nameVar & _ "

问题 this.Controls.Add(button); button.Font = new Font("Arial", 8); button.Name = "btn" + idDanych; button.Width = 100; button.Height = 100; button.Location = new Point(0, 0); button.Text = "…" + Environment.NewLine + Environment.NewLine + "…"; button.ForeColor = Color.Black; How can I change the font size and color in the button's second line of text? 回答1: It's not possible using the .Text property... ...but you can create a dynamic Bitmap to take the place of the Text, allowing you to format it

问题 I need to take the first two lines of text from a wrapped cell in Excel. For example, a wrapped Excel cell contains the text as follows: wrapedtext1 wrappedtext2 wrappedtext3 wrappedtext4 I need only the first two lines as 'wrapedtext1wrappedtext2'. Is it possible? 回答1: I only need to get first two lines as 'wrapedtext1wrappedtext2' .Is it possible??? Yes it might be possible but there is NO SIMPLE way to achieve it. There are lot of factors that you will have to consider. 1) Row Height in

问题 I've recently been looking into LibGDX and seem to have hit a wall, seen in the picture, the blue dot represents the users finger, the map generation it self is where i seem to get stuck, does LibGDX provide a method of dynamically drawing curved objects? I could simply generate them myself as images but then the image is hugely stretched to the point of the gap for the finger can fit 3! But also would need to be 1000's of PX tall to accommodate the whole level design. Is it such that i

问题 I can't search for a particular string, since they're all very similar, but I'd like something simple to chop out the first 4 lines in a file. They're all variable length too. I've had a think about perl, and it all seems harder than I thought, but I'd like to do it in Perl, AWK or a shell command if possible. Does anybody have a simple way of doing this? 回答1: sed is the simplest. To delete the first line of a file, do: sed '1d' file.txt Or, to remove the first four lines, do: sed '1,4d' file

问题 Within the Windows XP Pro RGui, can't compile inline C code. Get error: 'sh' is not recognized as an internal or external command Clearly there is a configuration error, but can't find a way to resolve it either in R documentation or via googling. Must be a simple solution! The same R code works fine on linux: the inline C compiles and runs correctly. 回答1: You need the RTools collection as described in detail in Appendix D of the R Installation and Administration manual. 来源： https:/

问题 My Friends, I spent quite some time on this one... but cannot yet figure out a better way to do it. I am coding in python, by the way. So, here is a line of text in a file I am working with, for example: ">ref|ZP_01631227.1| 3-dehydroquinate synthase [Nodularia spumigena CCY9414]..." How can I extract the two strings "ZP_01631227.1" and "Nodularia spumigena CCY9414" from the line? The pairs of "| |" and brackets are like markers so we know we want to get the strings in between the two... I

问题 I have UL element inside it there is 3 li tags I want to put them next to each other separated by lines: <ul> <li>value 1</li> <li>value 2</li> <li>value 3</li> </ul> I want the output to look like this: value 1 | value 2 | value 3 BTW in the li tags their is a picture and a text, I want them (image & text) next to each other and in the center of the box using CSS. 回答1: ul li { // EITHER float: left; //Will make all li's be on a single line. // OR display: inline-block; //Always followed by:

问题 I would like to automatically create graphs of Hardness H and Young's modulus E of samples as function of load L of indenter. My goal is to get opaque markers connected with dashed lines. When using set(handle,'linestyle',spec) or line(...,'linestyle',spec) command I got markers or lines, never both of them - MATLAB throws error. Is there way to get lines and markers without plotting two lines with same data and different specs? I'd like to continue with this to work with legend as described

问题 I am currently drawing my model right now using a ton of GL_LINES all at a uniform radius. I know that glLineWidth will change the radius of the all the lines but they each should have a different radius. I am wondering if its possible using glLineWidth (in a different fashion) or another function? How else should I go about it? 回答1: Render them as a specially constructed triangle strip. Specifically, render each line segment as a pair of triangles to form a quadraliterial, with the length of