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  • Using special keys for keybidings in Javascript

    - by newhen
    Hi, I was wondering if it was possible to use special keys that the macbook pro has for music control and bind them in javascript? Example keys: PLay/pause,next, back. I am trying to do this to modify a greasemonkey script if that helps. Here is the current code HotKeys.bindings['/'] = HotKeys.activateSearch; HotKeys.bindings['p'] = HotKeys.playPrev; HotKeys.bindings['n'] = HotKeys.playNext; HotKeys.bindings['k'] = HotKeys.selectPrev; HotKeys.bindings['j'] = HotKeys.selectNext; HotKeys.bindings['o'] = HotKeys.playSelected; HotKeys.bindings['v'] = HotKeys.openBlog; HotKeys.bindings['s'] = HotKeys.toggleFavorite; HotKeys.keyBindings[27] /*ESC*/ = HotKeys.deactivateSearch; Script source: http://userscripts.org/scripts/review/23612

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  • How to make ARGB transparency using bitwise operators.

    - by Smejda
    I need to make transparency, having 2 pixels: pixel1: {A, R, G, B} - foreground pixel pixel2: {A, R, G, B} - background pixel A,R,G,B are Byte values each color is represented by byte value now I'm calculating transparency as: newR = pixel2_R * alpha / 255 + pixel1_R * (255 - alpha) / 255 newG = pixel2_G * alpha / 255 + pixel1_G * (255 - alpha) / 255 newB = pixel2_B * alpha / 255 + pixel1_B * (255 - alpha) / 255 but it is too slow I need to do it with bitwise operators (AND,OR,XOR, NEGATION, BIT MOVE)

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  • Winforms-how do I keep window fully painted/responsive during a long running synchronous request is

    - by Greg
    Hi, Background - For a winforms 3.5 c# application, I would like to keep the main window fully painted/responsive during a long running synchronous request. For example if the user moves the window. Question - Is there a way to achive this WITHOUT having to setup a separate thread or backgroundworker process? (e.g. like a way to call from within my long running transaction, "release a bit of CPU to mainform", at some points) thanks

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  • YUI Uploader hangs after choosing file

    - by stephenbayer
    Below is my entire code from a User control that contains the YUI Uploader. Is there something I'm missing. Right now, when I step through the javascript code in Firebug, it hangs on the first line of the upload() function. I have a breakpoint on the first line of the ashx that handles the file, but it is never called. So, it doesn't get that far. I figure I'm just missing something stupid. I've used this control many times before with no issues. I'm using all the css files and graphics provided by the samples folder in the YUI download. If I'm not missing anything, is there a more comprehensive way of debuging this issue then through stepping through the javascript with FireBug. I've tried turning the logging for YUI on and off, and never get any logs anywhere. I'm not sure where to go now. <style type="text/css"> #divFile { background-color:White; border:2px inset Ivory; height:21px; margin-left:-2px; margin-right:9px; width:125px; } </style> <ajaxToolkit:RoundedCornersExtender runat="server" Corners="All" Radius="6" ID="rceContainer" TargetControlID="pnlMMAdmin" /> <asp:Panel ID="pnlMMAdmin" runat="server" Width="100%" BackColor="Silver" ForeColor="#ffffff" Font-Bold="true" Font-Size="16px"> <div style="padding: 5px; text-align:center; width: 100%;"> <table style="width: 100% ; border: none; text-align: left;"> <tr> <td style="width: 460px; vertical-align: top;"> <!-- information panel --> <ajaxToolkit:RoundedCornersExtender runat="server" Corners="All" Radius="6" ID="RoundedCornersExtender1" TargetControlID="pnlInfo" /> <asp:Panel ID="pnlInfo" runat="server" Width="100%" BackColor="Silver" ForeColor="#ffffff" Font-Bold="true" Font-Size="16px"> <div id="infoPanel" style="padding: 5px; text-align:left; width: 100%;"> <table> <tr><td>Chart</td><td> <table><tr><td><div id="divFile" ></div></td><td><div id="uploaderContainer" style="width:60px; height:25px"></div></td></tr> <tr><td colspan="2"><div id="progressBar"></div></td></tr></table> </td></tr> </table> </div></asp:Panel> <script type="text/javascript" language="javascript"> WYSIWYG.attach('<%= txtComment.ClientID %>', full); var uploader = new YAHOO.widget.Uploader("uploaderContainer", "assets/buttonSkin.jpg"); uploader.addListener('contentReady', handleContentReady); uploader.addListener('fileSelect', onFileSelect) uploader.addListener('uploadStart', onUploadStart); uploader.addListener('uploadProgress', onUploadProgress); uploader.addListener('uploadCancel', onUploadCancel); uploader.addListener('uploadComplete', onUploadComplete); uploader.addListener('uploadCompleteData', onUploadResponse); uploader.addListener('uploadError', onUploadError); function handleContentReady() { // Allows the uploader to send log messages to trace, as well as to YAHOO.log uploader.setAllowLogging(false); // Restrict selection to a single file (that's what it is by default, // just demonstrating how). uploader.setAllowMultipleFiles(false); // New set of file filters. var ff = new Array({ description: "Images", extensions: "*.jpg;*.png;*.gif" }); // Apply new set of file filters to the uploader. uploader.setFileFilters(ff); } var fileID; function onFileSelect(event) { for (var item in event.fileList) { if (YAHOO.lang.hasOwnProperty(event.fileList, item)) { YAHOO.log(event.fileList[item].id); fileID = event.fileList[item].id; } } uploader.disable(); var filename = document.getElementById("divFile"); filename.innerHTML = event.fileList[fileID].name; var progressbar = document.getElementById("progressBar"); progressbar.innerHTML = "Please wait... Starting upload.... "; upload(fileID); } function upload(idFile) { // file hangs right here. ************************** progressBar.innerHTML = "Upload starting... "; if (idFile != null) { uploader.upload(idFile, "AdminFileUploader.ashx", "POST"); fileID = null; } } function handleClearFiles() { uploader.clearFileList(); uploader.enable(); fileID = null; var filename = document.getElementById("divFile"); filename.innerHTML = ""; var progressbar = document.getElementById("progressBar"); progressbar.innerHTML = ""; } function onUploadProgress(event) { prog = Math.round(300 * (event["bytesLoaded"] / event["bytesTotal"])); progbar = "<div style=\"background-color: #f00; height: 5px; width: " + prog + "px\"/>"; var progressbar = document.getElementById("progressBar"); progressbar.innerHTML = progbar; } function onUploadComplete(event) { uploader.clearFileList(); uploader.enable(); progbar = "<div style=\"background-color: #f00; height: 5px; width: 300px\"/>"; var progressbar = document.getElementById("progressBar"); progressbar.innerHTML = progbar; alert('File Uploaded'); } function onUploadStart(event) { alert('upload start'); } function onUploadError(event) { alert('upload error'); } function onUploadCancel(event) { alert('upload cancel'); } function onUploadResponse(event) { alert('upload response'); } </script>

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  • WPF customer control and direct content support

    - by Mmarquee
    I am fairly new to WPF, and am a bit stuck, so any help would be appreciated. I am trying to write WPF custom control that encapsulates several elements of functionality that I already having working (i.e sorting, filtering, standard menus, etc.), but in a nice neat package to avoid repetition. Anyway I have created the custom control (based on control), and then have the following in the Generic.Xaml <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Controls.ListViewExtended"> <Style TargetType="{x:Type local:ListViewExtended}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:ListViewExtended}"> <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> <ListView> <ListView.View> <GridView> <!-- Content goes here --> </GridView> </ListView.View> </ListView> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> When I try to add GridViewColumns (or any control really), as below ... <elv:ListViewExtended> <GridView> <GridViewColumn Width="140" Header="Column 1" /> <GridViewColumn Width="140" Header="Column 2" /> <GridViewColumn Width="140" Header="Column 3" /> </GridView> </elv:ListViewExtended> I get the "... does not support direct content" error. I have created a dependancy property (again below) that allows the adding of GridView, but it still doesn't work. public static DependencyProperty GridViewProperty; public static string GridViewHeader(DependencyObject target) { return (string)target.GetValue(GridViewProperty); } public static void GridViewHeader(DependencyObject target, string value) { target.SetValue(GridViewProperty, value); } Thanks in advance

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  • Where can I find an iPhone OpenGL ES Example that responds to touch?

    - by Jamey McElveen
    I would like to find an iPhone OpenGL ES Example that responds to touch. Ideally it would meet these requirements: Displays a 3D object in the center of the screen like a cube Maps a texture to the cube surfaces Should move the camera around the cube as you drag your finger Should zoom the camera in and out on the cube by pinching Optionally has a background behind the cube that wraps around the back of the camera.(for example this could create the effect of the cube being in space) Has anyone seen one or more examples that can do these or at least render the cube with the texture?

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  • How to use ImageMagick to batch desaturate images?

    - by Zando
    I have an image that is black text with some gray and pale yellowish background. I basically want to keep the text as black as possible, and make the gray and yellow comparatively lighter...at the very least, turn yellow into a light gray. What's the most efficient way to do that in ImageMagick?

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  • Automatically Sizing an ASP.NET Treeview Control

    - by Robert Harvey
    Is there a way to automatically resize a TreeView control so that when it is rendered (or re-rendered, if a node is expanded), the TreeView automatically resizes itself to match the overall height of the tree? The purpose of this is to eliminate the scroll bar that accompanies the TreeView, so that the treeview blends seamlessly into the background.

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  • Progress Bar restarts

    - by Rishi Kasnia
    I have a DataGrid and in the Data Template of a DataGridTemplateColumn, i have added a Progress bar. now every time when mouse overs the rows of the data grid. my progress bar restarts its value from 0. I actually changes the Background and border property of the Row from triggers which i have defined in the control template of the Data Grid. Any Suggestions...

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  • UISearchBarBackground Class

    - by Jim Bonner
    I am using the following piece of code to hide the background on a UISearchBar: [[searchView.subviews objectAtIndex:0] setHidden:YES]; Pretty simple, but I worry about hard coding a position in a subview list. So I went looking for the UISearchBarBackground.h file and cannot find it. Does any know where the definition is hiding?

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  • alarm clock for iphone

    - by Joy
    I am looking to develop an alarm clock for iphone. But i came to know that i can't run application in the background. So is there any other way to do that job. Please help me cause i'm in serious problem. Thanks in advance

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  • Regex solution for Objective-C

    - by rjstelling
    What is the best method for using Regular Expressions within Objective-C? There seems to be some open source project that provide regex support, can any one recommend one? Also I looked at NSPredicate, can anyone suggest any regex examples? Background: I want use regex mainly for validation, IP's, email addresses, internal ID's etc

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  • iPhone GPS Development - Tips + Tricks

    - by Keith Fitzgerald
    Hello - I'm looking for some feedback, blog links, etc that offer some tips and tricks for iPhone GPS development. I've read and understand the API, I have my demo app up and running, etc but I have run into some "quirks" with gps on iphone. For example, it seems that you you will receive a lot less location updates when your iphone enters "power save" mode. I've read that you can combat this by playing music in your application [not sure if this is true]. It also seems that, terms of making a reasonable pedometer, you should filter out any reading with horizontal accuracies less than 20 meters. Does this sound right? Is there any kind of checklist out on the web for iphone gps gotchas? Thanks in advance.

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  • android layout images bad quality

    - by user1028269
    when I add images on layout it show in bad quality <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <ImageView android:id="@+id/imageView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/sbackground" /> how to fix it? (I need to fix it only without programmatically) thanks

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  • Android listview produces black highlighting over text when scrolling. How to stop this?

    - by johnrock
    I have a listview within which each item contains black text on a white background. When testing on a Nexus One, when scrolling down to read through the text, a black highlight appears over the text and makes it unreadable. I am trying to figure out what is this setting so I can turn it off. I do not want anything to get highlighted when scrolling down through the list. How can I accomplish this? Thanks.

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  • ScaleTransform and Image size

    - by Vinjamuri
    I have a Canvas which has an image as background. When I do the ScaleTransform to increase the size of the image, the image blows out of the Canvas. Although I increase the size, I don't want the image to go out of the Canvas, I just want it to fit inside the Canvas. How to fix this issue in WPF?

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  • How to implement Cross Browser Opacity Gradient (Not Color Gradient)

    - by brz dot net
    How can I implement cross browser opacity gradient (not color gradient)? See following code: <div style="background-color:Red;display:block;height:500px;width:500px;filter:alpha(Opacity=100, FinishOpacity=0, Style=1, StartX=0, StartY=0, FinishX=0, FinishY=500)"></div> It works fine in IE but not in other browsers like firefox,safari..etc. What is equivalent syntax for firefox? Please don't suggest me to use gradient image.

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  • I can't generate migrations - "illegal route the controller must be specified" - where am I going wr

    - by ro
    Background: i'm using InstantRails 2.0 I'm wanted to add a new column to an existing table using the following syntax: ruby script/generate migration add_fieldname_to_tablename fieldname:string So I tried ruby script/generate migration add_invites_to_user invites:integer ruby script/generate migration add_invites_to_users invites:integer And to test it further ruby script/generate migration AddInvites ruby script/generate migration AddInvites invites:integer All of the above give me builder.rb:175 in 'build': Illegal route: the :controller must be specified! (ArgumentError)

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  • Objective-C and its relation to C

    - by Daziplqa
    Hi folks, Actually, I am very new to Mobile programming, and need to take your opinions. I am a Java Developer with a C background, and I need to start Learning Objective-C with a target to do mobile app for iPhone and to refresh my knowledge in C (as I know, Objective-C is a pure superset for C, ain't it?). So, the question is, With objective C, can I achieve my two objectives which are again: Do mobile dev for iPhone refresh my refresh my knowledge with C

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  • Firefox 3 only CSS Hack

    - by Parrfolio
    Looking for a Firefox 3 CSS hack that doesn't inherit in Firefox 3.6. html>/**/body .blockmeta .date-ui, x:-moz-any-link, x:default { border:1px solid #ccc; border-bottom:2px solid #ccc; background:#f2f2f2; margin-top:-1px; } The code above seems to also work in Firefox 3.6 which is undesirable.

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  • Java library for CSS cleanup

    - by ndn
    For a rich text editor that has to handle pasted HTML code from MS Office applications, I'm looking for a Java library that cleans up the content of all "style" attributes in HTML elements, so that only some CSS attributes are left: background-color border color font-family font-weight font-style list-style-type text-align text-decoration vertical-align For creating a well-formed HTML document, I can use JTidy. For HTML element transformations (removing unwanted elements), I can use http://htmlparser.sourceforge.net/ Is there anything comparable for CSS attributes?

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  • Turn Texture Blending off in XNA

    - by George Johnston
    I am currently drawing single colored pixels to my texture in XNA. However, there seems to be blending occuring, as the color I draw on the screen gets blended with my background color. How can I turn this off so that the color I draw is only the color I draw? this.spriteBatch.Draw(texture, new Rectangle(x, y, 1, 1), [My Color]);

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  • Abstraction is for lame programmers ? [closed]

    - by Zaban Khuli
    Hi, there's this senior developer in my company who's (in his own opinion) a pretty good C programmer. I happen to be from functional background (ML, to be specific) and so for me composition and abstraction are the two basic elements of programming. But this MrSmartyPants has got some kind of superiority complex and he'd always argue with me that abstraction is for lame programmers and _real_ programmers do not need it. Is it a problem with this guy or all C programmers have this opinion that abstraction is for lame programmers?

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  • Any way to colorize specific days in FullCalendar?

    - by Bryan Field-Elliot
    Using FullCalendar, is there any way I can programmatically colorize specific days differently than the rest of the days? For example, in the "month" or "week" views, I'd like to colorize days with no events on them "red", and days with some events (but not yet a full schedule) "yellow". Days with a full schedule would be colorized normally (white background). Are there any callbacks or CSS tags I can take advantage of to add this behavior? Thank you.

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  • Nested Threads?

    - by Olaseni
    What are the rules regarding spawning new threads within other running threads? I have a C# app that handles two basic threads in the background. I recently introduced some heavy duty IO stuff, and I was thinking of setting them off inside threads. Are threads nested within themselves cool?

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