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  • Numeric representation of a color

    - by George Johnston
    What would be the best format to numerically represent a color in .NET so that I wouldn't have to use the Color object? Right now I am saving the color as a the HTML representation, but in order to use it I have to parse it out. I am dealing with a 800x600 canvas that stores a color value for each pixel and I need to be able to render the color out as quick as possible without bloating my application out to storing 500k+ color objects.

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  • Which of the following Unicode characters should be used in HTML?

    - by George Edison
    I am aware that any Unicode character can be inserted into an HTML document via the following format: &#x0000; ...where 0000 is the character code of the desired character My question is: which of these characters has the most widespread availability when it comes to the client's browser being able to display the character? In other words, what are the ranges of codes that should be used in an HTML document that is going to be widely deployed?

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  • Is this Javascript object literal key restriction strictly due to parsing?

    - by George Jempty
    Please refer to the code below, when I "comment in" either of the commented out lines, it causes the error (in IE) of "':' expected". So then is my conclusion correct, that this inability to provide a reference to an object value, as an object key in a string literal; is this strictly an interpreter/parsing issue? Is this a candidate for an awful (or at least "bad") "part" of Javascript, in contrast to Crockford's "good parts"? <script> var keys = {'ONE': 'one'}; //causes error: //var obj1 = {keys.ONE: 'value1'}; //var obj1 = {keys['ONE']: 'value1'}; //works var obj1 = {}; obj1[keys.ONE] = 'value1'; //also works var key_one = keys.ONE; var obj2 = {key_one: 'value1'}; </script>

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  • Render ViewComponent from another component codebehind

    - by George Polevoy
    I'm trying to render a component from withing another component. public override void Render() // ... var block = new Block(); block.Init(EngineContext, Context); block.Render(); // ... } The problem is that Block component can't find it's template. ResourceProcessingException Message: Unable to process resource 'components\CustomReportComponentComponent\default.vm': Resource could not be located I guess, other problems can arise because the component is not properly initialized. Is it possible to initialize a component from within another component's Render method, so it renders just as if called from a .vm?

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  • asp.net gridview editing

    - by George
    I have a gridview (Edit and Delete enabled) that shows a table. A Text Box and A Button. When I type something in the textbox and click the button, the button runs the datasource.filterexpression and filters out the rows. The question whenever I click on the edit button after the filter has been applied The grid auto resets back to the original table? How can I solve this?

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  • IE8 positions DIV overlay wrong way and keeps playing video when it's hidden.

    - by George
    Hi! Please take a look at: http://www.binarymark.com/Products/PasswordGenerator/default.aspx (the Overview tab, on the diagram). The issue is wjen you click on any of the diagram elements say "Character Groups" all browsers, except IE8 behave well - that is they display the overlay, start playing a video, and when the overlay is closed, the video stops playing an the div is hidden. IE8, on the other hand has two flaws: it positions the overlay way towards the bottom and too much to the right, and even more annoyingly - it keeps playing video in the background even when the overlay div is closed! I use flowplayer.org/tools/overlay/ for overlay. Can you help please? Thanks.

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  • How to remove margin at top of table?

    - by George Edison
    I have the following HTML: <div></div> <table> <tr><td>Test</td></tr> </table> ...and the following CSS: div { /* nothing yet */ } table { margin: 0px; border-collapse: collapse; padding: 0px; } No matter what I do, there is still a gap between the table and the DIV. This occurs on Google Chrome 5.0.375.70 beta on Linux. (And it seems to occur on other Webkit-based browsers too.) How can I get rid of the space?

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  • New or not so well-known paradigms, syntax features and behaviours of programming languages?

    - by George B
    I've designed some educational programming languages and interpreters for them, but my problem always was that they ended up "normal" and "boring", mostly similar to some kind of existing language (ASM and BASIC). I find it really hard to come up with new ideas for syntax features, "neat things" and new or very modified programming paradigms for it. I always thought that it was hard to come up with good new things not fun/useless new things for this case. I wondered if you could help me out with your creativity: What features in terms of language syntax and built-in functions as well as maybe even new paradigms can I work into my language to keep it useless but more fun, enjoyable, interesting and/or different to program in?

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  • Why isn't my div scrolling horizontally when adding multiple images?

    - by George
    I have an outer div, and inside of that, I have an inner div which contains a list of images. When the images are wider than the outer div, I want to have it scroll horizontally, but instead, it just puts the image on the next line instead of expanding. If I add many rows, the div does scroll vertically, but horizontally, it doesn't do it. This happens on every browser I've tried - Firefox, Chrome, IE, and Safari. Here is the css: #grid-container { left:33px; position:relative; width:300px; } #grid { width:310px; height:400px; overflow:auto; margin-bottom: 15px; } #grid-container ul { width:305px; } #grid-container li { float:left; list-style-type:none; padding:5px 15px 5px 15px; height:88px; text-align:center; } .image-row { float:left; margin-left: 10px; } .grid-image { height:50px; margin-left:-20px; } Here is the html: <div id="grid-container"> <div id="grid"> <div id="row1" class="image-row"> <ul> <li> <img id="img1" class="grid-image" src="images/img1.jpg"> </li> <li> <img id="img2" class="grid-image" src="images/img2.jpg"> </li> <li> <img id="img3" class="grid-image" src="images/img3.jpg"> </li> <li> <img id="img4" class="grid-image" src="images/img4.jpg"> </li> </ul> </div> <div id="row1" class="image-row"> <ul> <li> <img id="img5" class="grid-image" src="images/img5.jpg"> </li> <li> <img id="img6" class="grid-image" src="images/img6.jpg"> </li> </ul> </div> </div> </div> The problem is img4 is showing on the second row (with img5 and img5 on the third row), even though it should on the first row and the grid div should scroll horizontally. It does scroll vertically. Can I force the div to expand? If I remove the width from the grid div, I do get the horizontal scroll bar, but the image is still on the second row.

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  • How to capture a 'sub-section' of a URL in a rewrite rule?

    - by George Edison
    I know the title is a little bit strange, but here is what the URLs look like: /user/xxx/page /user/xxx/page?error=yyy The rule for the first URL looks something like this: RewriteRule ^user/(\d+)/page$ something.pl?id=$1 [L] And to make it work with the second URL, it becomes: RewriteRule ^user/(\d+)/page(error=\d+)?$ something.pl?id=$1 [L] My question is... how do I capture the error number? I tried both of these: RewriteRule ^user/(\d+)/page(error=(\d+))?$ something.pl?id=$1&error=$2 [L] RewriteRule ^user/(\d+)/page(error=(\d+))?$ something.pl?id=$1&error=$3 [L] But it isn't working... How can I do this?

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  • How to move value from the stack to ST(0)?

    - by George Edison
    I am having trouble believing the following code is the most efficient way to move a value from the stack to ST(0): .data var dd 4.2 tmp dd ? .code mov EAX, var push EAX ; top of stack now contains a value ; move it to ST(0) pop EAX mov tmp, EAX fld tmp Is the temporary variable really necessary? Further, is there an easier way to get a value from the stack to ST(0)?

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  • How to add a slot to my main window in Qt builder?

    - by George Edison
    I am using Qt Builder to create a simple window. I used the menu editor to add a menu. Now, I figured out how to connect one of the menu items to the close() method of the main window. My problem is how to add a slot to the main window. Here is what I have: private slots: void OnAbout(); However, I can't get this method to show up in the 'Signals and Slots Editor'. How can I get it to show up?

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  • jQuery UI problem: why do the elements go flying around the screen?

    - by George Edison
    Yes, I know the title sounds a little suspicious. I will try to explain this the best I can... The code below is supposed to have the blue div slide down beside the red div. The first time you hit the Show the div button, it works. Also, the Hide the div works. Then when I click to show the div again, it appears to the right of where it is supposed to be! Why is this?!? Note: You can find a live example of the code here <html> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Demo</title> <style type='text/css'> #red { background-color: red; width: 200px; height: 150px; position: absolute; } #blue { background-color: blue; width: 150px; height: 200px; position: absolute; display: none; } #tester_1 { top: 300px; left: 300px; position: absolute; } #tester_2 { top: 350px; left: 300px; position: absolute; } </style> </head> <script type="text/javascript" src="jquery.js"></script> <script type='text/javascript'> function Show() { $('#blue').position({ of: $('#red'), my: 'left top', at: 'right top'}).slideDown(); } function Hide() { $('#blue').hide(); } </script> <body> <div id='red'></div> <div id='blue'></div> <button id='tester_1' onclick='Show()'>Show the <kbd>div</kbd></button> <button id='tester_2' onclick='Hide()'>Hide the <kbd>div</kbd></button> </body> </html>

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  • Adding new "columns" to csv data file in Tcl

    - by George
    Hi All, I am dealing with a "large" measurement data, approximately 30K key-value pairs. The measurements have number of iterations. After each iteration a datafile (non-csv) with 30K kay-value pairs is created. I want to somehow creata a csv file of form: Key1,value of iteration1,value of iteration2,... Key2,value of iteration1,value of iteration2,... Key2,value of iteration1,value of iteration2,... ... Now, I was wondering about efficient way of adding each iteration mesurement data as a columns to csv file in Tcl. So, far it seems that in either case I will need to load whole csv file into some variable(array/list) and work on each element by adding new measurement data. This seems somewhat inefficient. Is there another way, perhaps?

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  • Converting BindingList(Of T) to Array

    - by George
    Public Class Orders Inherits System.ComponentModel.BindingList(Of Order) End Class Public Sub DataBind(ByVal Orders() As Orders) End Sub Dim MyOrders() As Order = Orders.ToArray SuperListBinder.DataBind(MyOrders) '<<Error occurs on this line I don't understand this error. I think that I am passing the appropriate data type to a sub. I don't understand the meaning of "Cannot convert object of type x to an object of type x! Note that, if relevant, my Solution File contains ,multiple projects and that they are all project references. Error: Error 1 Value of type '1-dimensional array of BESI.BusinessObjects.Order' cannot be converted to '1-dimensional array of BESI.BusinessObjects.Orders' because 'BESI.BusinessObjects.Order' is not derived from 'BESI.BusinessObjects.Orders'. C:\My\Code\BESI\BesiAdmin\Forms\Activity.vb 17 34 BesiAdmin

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  • How to get this JavaScript class member to return a value?

    - by George Edison
    I have a JavaScript class that has a method: function someClass() { this.someMethod = someClass_someMethod; } function someClass_someMethod() { // make an AJAX request } The problem is that someClass_someMethod() needs to return the value of the AJAX request. I'm using jQuery's $.getJSON() method to fetch the data. The data needs to be returned but it seems the only way to get the data is through a callback. How can this be done?

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