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  • Special functions in Matlab

    - by favala
    I'm trying to get a picture like the following: http://upload.wikimedia.org/wikipedia/en/e/e6/Airy-3d.svg What am I doing wrong? [x,y]=meshgrid(-1:.1:1,-1:.1:1); surf(x,y,(2*besselj(1,2*pi*sqrt(x.^2+ y.^2)/sqrt(x.^2+ y.^2)).^2) Also... kind of a side note, but if I used ndgrid instead of meshgrid here my x's and y's would switch right?

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  • Drawing Directed Acyclic Graphs: Using DAG property to improve layout/edge routing?

    - by Robert Fraser
    Hi, Laying out the verticies in a DAG in a tree form (i.e. verticies with no in-edges on top, verticies dependent only on those on the next level, etc.) is rather simple. However, is there a simple algorithm to do this that minimizes edge crossing? (For some graphs, it may be impossible to completely eliminate edge crossing.) A picture says a thousand words, so is there an algorithm that would suggest: instead of:

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  • Reflector issue when decompiling a WPF assembly (i.e. PresentationCore, PresentationFramework).

    - by Rafales
    Hi; I just downloaded the last version of Reflector from RedGate and I was unable to decompile classes in some core WPF assemblies like PresentationCore and PresentationFramework. Here is a link to a picture that describes my problem: http://997966480542455630-a-1802744773732722657-s-sites.googlegroups.com/site/badrdocs/files/Reflector_issue.png?attachauth=ANoY7cqzFOr_iIPHnS2V67hKSpxXdlr4B0fOh7u2pzWImgJp6QKELErlVpOoCkDP3IVd4zvbnCBDWHXw-hY_eeGu5UUqWiuW5bbAb2YDTETnZYJ3bMvfN6WF28u2ERar9DcjeuqXslKt1bv7SY8dW82da0ndleAaoBDBe0QuY1jHVfOPK4HkXqpZOqKF0nMZNCP36rhFkBgzdG8SSYnA4YwKmYwD_mS2Kg%3D%3D&attredirects=1 Thank you for your help.

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  • launch the emulator, I only see the black window with the string 'ANDROID", and no more desktop and

    - by Jiawelin
    Dear experts, I download the Android code and "make sdk" to build out my own SDK, but the emulator from this SDK does not work well -- it only shows the black window with the "ANDROID" string, but I can't see any desktop picture or any applications. what's wrong here? anyone could please provide me a hint? Thanks a lot. I use the command: $./emulator @jiawelin -debug all and the last output message is: emulator: android_hw_control_init: hw-control qemud handler initialized

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  • CKEditor Custom Plugins Button

    - by isparling
    I've written a custom plugin for CKEditor--successful on all fronts, save one currently: I can't, for the life of me, figure out how to customize the image on the button in the toolbar of the editor. As I'm a new user, you'll have to click through to see attached image; the highlighted square in the top left should have a pretty picture (like most of the other toolbar items). Thanks much for thoughts/advice/help. Isaac Screenshot: http://imgur.com/ZNNKe.jpg

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  • facial comparison software

    - by chris beardmore
    I have images of my children we all do, but I have found a picture of a toddler that bears great resemblance to 1 of my own sons on the internet, is there any software available that I can perform side-by-side comparison with, or maybe software that can give an X-% probability match

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  • DataGridView formatting

    - by Vadim
    I have a DGV with columns "code" and "name". Depends of lenght of a code I want to add tabulation to the "name" cells, to show structure of a data. Like that in this picture: How is it better to do? I think there is a better way then just loop for all rows and add spaces in front of names, right?

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  • Microphone question in iPhone SDK

    - by Henry D'Andrea
    I am trying to do an app, to where when it launches, it will detect audio, and then play it back automatically. NO BUTTONS, NOthing to press. Just a picture of something then, it listens for audio, then plays it back. Similar to the Talking Carl app in the App Store. Any ideas/help? Would appreciate it, if i could use the code with IB.

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  • Easy way to use Images in WPF

    - by j-t-s
    Hi All I've only just started using WPF. (I'm a WinForms guy), and from what I can see, trying to simply drag an image onto the Window is a huge PAIN. There seems to be no way where you can just select an option to tell it what picture to put indide the image control. I've seen so many sites within the last 10 minutes with atleast 10lines of code just to insert animage into a window. Is there an easier way?

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  • Android::Creating a clickable collage?

    - by Legend
    I am trying to create something like a rectangular grid with pictures. When a picture is clicked, it should zoom in pushing the other ones out. I don't know what you name you call this particular model with but does anyone have suggestions on where I should start? Collage Example

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  • Changing hibernate batch size programatically

    - by user179056
    Hello, Is possible to change hibernate.jdbc.batch_size programmatically? I understand hibernate.jdbc.batch_size is a application level parameter, wanted to know if i can use it specifically for certain HQL inserts and not others. I would change the code only for those HQL inserts The big picture is that i need to introduce batch inserts to make the web application performant in some scenarios, but i do not want to jeopardize the normal inserts which work right now. Any pointers would help thanks Sameer

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  • How can I hide these dots

    - by Patrick
    Hi, How can I hide the small dots nearby each picture in IE7 ? http://www.sanstitre.ch/drupal/portfolio?tid[0]=38 I've tried with text-decoration:none and list-style-type:none but it didn't work. Thanks.

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  • mouse event on picturebox

    - by user548694
    I want to see my pixel coordinates on moviing my mouse on the image in picture box I have added this event Form.designer.cs this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pictureBox1_MouseDown); and this method in Form.cs private void pictureBox1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { locationtxt.Text = e.X.ToString() + "," + e.Y.ToString(); } but I cann't see anything in textbox on moving my mouse on form runtime. What should i add further. regards,

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  • How to rewrite image/<text>-<imageID>-<text> to image/ID.jpg ???

    - by SilverRuby
    HI, I used to have PHP websites and using url rewriting on picture to have SEO friendly urls, On php I had links like /image/blablablabla-1234-blablabla rewriting to: /image/1234.jpg by using a url rewrite rule on apache .htaccess file. Now I totally switched to ruby on rails and I would like to know what is the best way to do that on RoR? I am hosting websites on apache with passenger. Thanks in advance

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