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  • Generate 2D cross-section polygon from 3D mesh

    - by nornagon
    I'm writing a game which uses 3D models to draw a scene (top-down orthographic projection), but a 2D physics engine to calculate response to collisions, etc. I have a few 3D assets for which I'd like to be able to automatically generate a hitbox by 'slicing' the 3D mesh with the X-Y plane and creating a polygon from the resultant edges. Google is failing me on this one (and not much helpful material on SO either). Suggestions?

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  • how to load part of the HTML page which is currently on display ?

    - by ganapati hegde
    Hi, i have an ebook(relatively large size say 800 pages),in HTML format. I am opening that book as webpage using webkit-gtk+. If i load the whole book at a time,it takes too much memory(RAM ).So i dont want to load the whole book at a time, but load the part of the book which is currently on display. and when the user scrolls down, next part should be displayed.How can i implement that ?

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  • Is key 'chord' functionality provided by Win32/.net?

    - by John
    Several MS apps support the concept of chords, like "CTRL+X,Y" which means "holding down CTRL, press X, then Y". Is this a bespoke thing they (and other companies) implement, or is it built into any APIs? It would be nice to be able to set up event handlers or accelerators based on chords rather than write code to do it.

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  • 'Attempt to call private method' error when trying to change change case of db entires in migration

    - by Senthil
    class AddTitleToPosts < ActiveRecord::Migration def self.up add_column :posts, :title, :string Post.find(:all).each do |post| post.update(:title => post.name.upcase) end end def self.down end end Like you can nothing particularly complicated, just trying to add new column title by changing case of name column already in db. But I get attempt to call private method error. I'm guessing it has something to do with 'self'? Thanks for your help.

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  • How to keep current selection for jqGrid pulldown edit

    - by WildBill
    When editing cells in jqGrid, specifically using a select pull-down to edit a cell, how does one make the current selection the current choice for that cell? In my page I have a cell where edittype:'select' is set but when one clicks on that row the value for that cells automatically changes to the first entry that my AJAX call returns. Is there something within JQGrid that needs to be set or does the object I send to jqGrid have to be of a certain format to do so?

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  • Is there an Emacs-analog for the VI '.' command to repeat-last-typed-text

    - by Don
    I've used emacs for decades and always wondered, but kept on coding, if there was a way to type in something, them move the cursor and insert the same text, like the VI . command. Instead what I do is to type the text, set the mark, backup, copy the region, go to the next spot (often just C-n, down one line) and then pre-arg yank, C-u C-y. It's the overhead of set mark, backup and copy region that makes me just go ahead and retype the thing.

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  • What (software) usb sniffers are available for windows?

    - by frankster
    Are there any software drivers for windows 7 (64-bit) that can report the data transferred between some application software and a usb device? I have tried snoopy (http://sourceforge.net/projects/usbsnoop/) but I can't get it working. Possibly I would need to go down the route of installing an earlier version of windows. Any other suggestions?

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  • RadioButton and EditText inside ListView problem

    - by Sujit
    Hi I want to implement RadioButton and EditText inside ListView. I am using ArrayAdapter to set the List.But the problem is that when i am selecting a RadioButton and scroll down the list and again scroll up the the Radiobutton which had been selected getting unselected.Same with the EditText.The text getting removed when scroll up. hope you can understand........thanks in advance...

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  • what will be the code to move to previous textfield ?

    - by rajesh
    i have the code if i press down button it goes to next textfield but to go to previous textfield what should be the code ... <html> <head> <script language="JavaScript"> function handleKeyDownEvent(elementRef,eventRef) { var charCode = (window.event) ? eventRef.keyCode : eventRef.which; //alert(charCode); // Arrow keys (37:left, 38:up, 39:right, 40:down)... if (charCode == 40) { if (window.event) window.event.keyCode = 9; else event.which = 9; return true; } return true; } </script> </head> <body> <table width="433" border="1" cellspacing="0" cellpadding="0"> <tr> <td width="235" align="center"><input type="text" onKeyDown="handleKeyDownEvent(this,event);" onKeyUp="handleKeyUpEvent(this,event);"></td> <td width="235" align="center"><input type="text" onKeyDown="handleKeyDownEvent(this,event);" onKeyUp="handleKeyUpEvent(this,event);"></td> </tr> <tr> <td width="235" align="center"><input type="text" onKeyDown="handleKeyDownEvent(this,event);" onKeyUp="handleKeyUpEvent(this,event);"></td> <td width="235" align="center"><input type="text" onKeyDown="handleKeyDownEvent(this,event);" onKeyUp="handleKeyUpEvent(this,event);"></td> </tr> <tr> <td> <input type="radio" id="check" name="check" checked> </td> <td> <input type="radio" id="check" name="check" checked> </td> </tr> <tr> <td><input type="checkbox" id="check" name="check"></td> <td><input type="checkbox" id="check" name="check"></td> </tr> </table> </body> </html>

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  • Intellisense for Javascript - not correct in Visual Studio 2010

    - by Finglas
    var obj = document.getElementById("header"); Given the above code snippet, I should be able to wire event handlers. For example, I can wire onMouseDown to the mouse down event, the issue is that Visual Studio does not display this in the Intellisense. I've tried this on both a standalone Javascript file, as well as an MVC project to no luck. Is there anything I'm doing wrong - or is there a way to resolve this?

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  • How to abort shutdown in Windows (XP|Vista) programatically?

    - by Piskvor
    I want to be able to detect and abort OS shutdown from my application, preferably by using the Windows API. I know that it is possible to do this manually using the command shutdown -a In the worst case, I could ShellExecute this, but I was wondering if there was a better way. Also, how do I find out programatically that the OS is about to shut down, via the Win32 API?

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  • Is the video recording possible in the background service?

    - by pyt
    Hello, All. I've tried video recording in the background. But had failed. Under normal circumstances, the recording works properly. However, if HOME key down- Home screen or Other Activity is running, recording terminates. In such a situation, I want to record continuously. I want to record whole process! What should I do? thanks. -Michael

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  • HTML Strict increases line height...

    - by Ryano
    Hi Why does XHTML 1.0 Strict display a line height as appearing larger than a line height of the same value in XHTML 1.0 Transitional? This therefore pushing down content within table cells (i.e Hotmail in Firefox, Gmail in IE and Firefox). Has anyone else experienced this issue and know a way around it? Cheers

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  • stderr to file; but without buffering

    - by l.thee.a
    I am trying to isolate a nasty bug, which brings down my linux kernel. I am printing messages to stderr and stderr is redirected to a log file. Is there a way to disable buffering on the file access? When kernel hangs, I am losing the messages in the buffer.

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  • How can I search on a list of values using Solr/Lucene?

    - by Mike
    Given the following query: (field:value1 OR field:value2 OR field:value3 OR ... OR field:value50) Can this be broken down into something less verbose? Basically I have hundreds of category IDs, and I need to search for items under large groups of category IDs (20-50 at a time). In MySQL, I'd just use field IN(value1, value2, value3) rather than (field = value1 OR field = value2 etc...). Is there a simpler way for Solr/Lucene?

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