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• PDF problems with Evince on Ubuntu

  - by ILMV

  One of my collegues is trying to print a PDF that our designer has sent him, created using Adobe InDesign CS4 (6.0.4). When he opens it up using Evince (version 2.28 on Ubuntu 9.10 thin client) it displays exactly how we expect it to, however when he prints it's not rendering correctly, for example: Missing one logo, the other dozen display perfectly Missing a white box with 30% opacity (without this the blue text sits on a light blue background) The dotted border of a box is screwed up (missing dots in the corners, but fine on the straights) Finally the font quality is slightly poorer than a print out we've done on a working machine. I have tried it on my Ubuntu dev box (Evince version 2.22 on Ubuntu 8.04 server) and it displays and prints perfectly. Can anyone offer an explanation as to why this might be happening, I find it hard to understand how an older version of Evince is displaying it better than a newer version. Thanks! EDIT Just for anyone surfing in, it's likely yo be a CUPS problem on our server, cheers ;-)

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• CSS UL removing indent in IE

  - by Jamie

  See: Page I am having problems with IE, In FF and Chrome the navigation at the top displays fine. However in IE8 (with or without compatibility) the UL seems to indent from the left hand side, not each li just the whole li; despite declaring text-align:center; width:600px; margin:auto; padding-left:0;. Any ideas what could be causing this? Thanks, Jamie

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• graphics cards with no HDMI output

  - by Noam Gal

  I am currently looking at Gainward GTX260 896MB GS GLH, but I've seen it also on the x275 version - the card doesn't have an HDMI output, only two dvi and one tv out (s-video?). They claim they support HDMI using a dvi-HDMI converter. Will I get a true high definition quality on my TV (assuming it supports it) like that? Or is it not as good, and I should stick to cards that have an HDMI output (ATI), or pay way too much for x295? What about connecting the audio? The x260 comes with an internal spdif cable - does that mean I can connect my soundcard to my graphics card, and have the audio come out through the dvi, and into the HDMI cable? Or am I mixing it all up here, and I have to somehow connect the sound to the TV using a seperate cable (Hoping it has a seperate audio-in for the HDMI channel)?

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• WPF ListView's GridView item expansion

  - by NT_

  Is it possible for a WPF ListView that uses a GridView view (ListView.View property) to have one of its items 'expanded' i.e. create some control underneath the item. I cannot simply add another item as it will assume the GridView item template, i.e. appear with columns rather than being a single usable area. This is how my list view currently looks like, it just has two columns: <ListView x:Name="SomeName" Style="{DynamicResource NormalListView}" > <ListView.View> <GridView ColumnHeaderContainerStyle="{DynamicResource NormalListViewHeader}"> <GridViewColumn Width="140" x:Name="Gvc_Name"> <GridViewColumn.CellTemplate> <DataTemplate> <Border Style="{DynamicResource ListViewCellSeparatorBorder}" > <StackPanel Orientation="Vertical" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"> <TextBlock Text="{Binding Path=Name}" FontWeight="Bold" HorizontalAlignment="Left" /> <TextBlock Text="{Binding Path=Type}" HorizontalAlignment="Left" /> </StackPanel> </Border> </DataTemplate> </GridViewColumn.CellTemplate> <Border Style="{DynamicResource ListViewHeaderBorderContainer}"> <TextBlock Style="{DynamicResource ListViewHeaderText}" Text="Name"/> </Border> </GridViewColumn> <GridViewColumn Width="120" x:Name="Gvc_Timestamp"> <GridViewColumn.CellTemplate> <DataTemplate> <Border Style="{DynamicResource ListViewCellSeparatorBorder}"> <StackPanel Orientation="Vertical" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"> <TextBlock Text="{Binding Path=TimestampDate}" HorizontalAlignment="Center" /> <TextBlock Text="{Binding Path=TimestampTime}" FontWeight="Bold" HorizontalAlignment="Center" /> </StackPanel> </Border> </DataTemplate> </GridViewColumn.CellTemplate> <Border Style="{DynamicResource ListViewHeaderBorderContainer}"> <TextBlock Style="{DynamicResource ListViewHeaderText}" Text="Processed"/> </Border> </GridViewColumn> </GridView> </ListView.View> </ListView> Many thanks!

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• Doubts about Cloud Infrastructure

  - by Pravin

  Maybe a little more of the same questions that others have asked but wanted to clarify my doubt, for some years run my hosting company (reseller of esds) and I've done well so far, but I am determined to bring quality and server technology to offer another level. So far I have understood that there is a difference between cloud and cluster servers because the cluster function as load balancers that distribute in different servers roles and use the servers less overloaded in the cloud is the union of multiple servers and then the same is vitualized unlike the cluster that is allowed to use the resources of the CPU and RAM servers in the virtualized environment. My approach is to use 3 dedicated servers to create a cloud server, My doubts: Does this type of cloud servers are only reserved for big companies? (Either because the union of the servers is done by hardware or software with high price) What characteristics should these servers meet? Possibly through software which should be used? Available? Thanks for your time, Cheers!

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• Android: How to prevent image from being scaled in ImageView or ImageButton?

  - by user277827

  Hi, How can I prevent my bitmap from being scaled automatically in an ImageView or ImageButton if the view or button is stretched using "fill_parent" or using "weight"? This will be useful, for example, to create a 4-button toolbar at the top of the screen where the buttons are equally spaced, but the images inside the buttons keep getting streched even if I use scaleType="center", which should prevent scaling according to the doc, but it doesn't. Any insight is appreciated! Thanks,

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• How to use router QoS?

  - by Nathaniel

  N00b question. How exactly does one use router quality of service settings? I've read up on it a bit but I'm still not exactly sure how to use it. So, my real questions are these: Generally, how does QoS work? How would one use it, say, to guarantee smooth performance in latency sensitive application (cough online gaming cough)? Performance for that sort of stuff bombs out on our connection when somebody is uploading files. I apologize if this is kind of sprawling. Suggestions to clean it up / edits welcome.

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• Where can you find fun/educational programming challenges?

  - by tj9991

  I've searched around for different challenge sites, and most of them seem to be geared towards difficulty in problem solving logically, rather than trying to use your language of choice to do something you haven't used it for. Their center is around mathematics rather than function design. Some kind of point system for correctly solving challenges, or solving them the most efficient/smallest would be neat as well. Listed sites Project Euler TopCoder UVa Online Judge Challenges with Python Google Code Jam Programming Challenges Less Than Dot ACM's Programing Contest archive USACO problems ITA Software's puzzle page Refactor My Code Ruby Quiz

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• Do the amount of CUDA cores matter for Sony Vegas

  - by Saif Bechan

  I am building a new PC, and I am wondering if I am making the right choices. The PC will mainly be used for video editing, and mainly in Sony Vegas. Now I have the choice of going with a video that that has more of less CUDO cores. To be precise I am choosing between a Ti and non-Ti version of an nVidea video card. Now I have read that sony vegas can partially use the CUDA cores to it's benefit, but not that much, and only if you use GPU acceleration. On the other hand I have heard it's better to leave GPU acceleration off as it will effect the quality of the output. Making it so that the CUDA cores actually don't make much of a difference after all.

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• Pointer to NSWindow Xib after loading it?

  - by Brock Woolf

  In my code below, CustomWindow is a subclass of NSWindow. CustomWindow *window = [[CustomWindow alloc] init]; if (![NSBundle loadNibNamed:@"NibName" owner:window]) [window center]; // doesn't work How do you get a pointer to control your XIB after you load it so you can do things such as centering the XIB? What am i doing wrong here?

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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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• My PNG has transparency, but after saving with PHP GD, transparency is lost [closed]

  - by Harry Stroker

  I found the solution to my problem. See below the original post and completely at the bottom my solution. I made a stupid mistake :) First I crop an image and then save it to a png file. Right after this, I also show the image. However, the saved png does not have transparency and the shown one has. What is going on? $this->resource = imagecreatefrompng($this->url); imagealphablending($this->resource, false); imagesavealpha($this->resource, true); $newResource = imagecreatetruecolor($destWidth, $destHeight); imagealphablending($newResource, false); imagesavealpha($newResource, true); $resample = imagecopyresampled($newResource,$this->resource,0,0,$srcX1,$srcY1,$destWidth,$destHeight,$srcX2-$srcX1, $srcY2-$srcY1); imagedestroy($this->resource); $this->resource = $newResource; // SAVING imagepng($this->resource, $destination, 100); // SHOWING header('Content-type: image/png'); imagepng($this->resource); The reason I also save the image is for caching. If the script is executed on a png, it saves a cached png. Next time the image is requested, the png file will be shown, but it has lost its transparency. Even stranger: When I save that cached png image as (within Firefox), it saves it suddenly as a jpg, even though the extension was png. Downloading the cached png using chrome and opening it in Photoshop gives the error: "file-format module cannot parse the file". I will show you the shown PNG and the generated PNG: http://www.foodmuseum.nl/SaveProblemTransparency.png Once I try to show that saved PNG with the GD library, it gives me an error. EDIT NO NO NO NO THIS IS NOT A DUPLICATE!!!... I ALREADY USED THEIR SOLUTION. The solution in the supposedly duplicate works for showing my image. But I also try to save it with the exact same resource, but then it has no transparency. EDIT 2 - SOLUTION I found out what the problem was. It was a stupid mistake. The script I provided above were cut out of a class and placed as sequential code, while in real this is not what exactly happened. The save image function: function saveImage($destination,$quality = 90) { $this->loadResource(); switch($extension){ default: case 'JPG': case 'jpg': imagejpeg($this->resource, $destination, $quality); break; case 'gif': imagegif($this->resource, $destination); break; case 'png': imagepng($this->resource, $destination); break; case 'gd2': imagegd2($this->resource, $destination); break; } } However... $extension does not exist. I fixed it by adding: $extension = $this->getExtension($destination);

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• Converting a bunch of MP3s to mono?

  - by Wil

  I have a bunch of stereo MP3s I'd like to convert to mono. What is the best way to do this? I would prefer something that would let be batch process them. I want to keep the quality as close to the original as possible. My files are also in different bitrates, so I don't want to make all files 320kpbs when some are only 128. Also, is there any quick way to see which files are stereo out of my entire library?

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• Allowing user to select a UIPickerView row by tapping.

  - by camilo

  Hi. I'm trying to use a UIPicker View with a behavior somehow different of what's usually seen in iPhone code examples. What I want to do is to allow users to scroll through the picker contents, but not to select a picker's row automatically (using the "didSelectRow" method from picker's delegate). Instead, I want to allow the user to touch the center row of the picker, which gets highlighted, and becomes the selection. Is there any way to achieve this? Thanks in advance.

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• How we see the total content in EditText in android

  - by sairam333

  Thank u But after the Edit Text I use the Icons also .So,when i give Wrap_content for that Edittext The icons are displayed only half ,In below my code is there see that one once <TableRow android:layout_width="wrap_content" android:layout_height="fill_parent"> <TextView android:id="@+id/TextViewEmail" android:text="Email" android:textSize="15sp" android:paddingRight="4dip" android:textStyle="bold" android:layout_width="wrap_content" android:textColor="@android:color/white" android:layout_gravity="right|center" /> <EditText android:id="@+id/EditTextEmail" android:editable="false" android:clickable="false" android:textSize="15sp" android:layout_height="wrap_content" android:singleLine="true" android:layout_width="150sp"/>

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• fast sphere-grid intersection

  - by Mat

  hi! given a 3D grid, a 3d point as sphere center and a radius, i'd like to quickly calculate all cells contained or intersected by the sphere. Currently i take the the (gridaligned) boundingbox of the sphere and calculate the two cells for the min anx max point of this boundingbox. then, for each cell between those two cells, i do a box-sphere intersection test. would be great if there was something more efficient thanks!

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• Video for HTML5 -- ffmpeg commands

  - by StackOverflowNewbie

  I'd like to allow my users to upload their videos (no clue what format they'll be) and convert them into the following formats: MP4 Ogg Webm I think it's those 3 formats I need in order to support HTML5, at least per http://mediaelementjs.com/. I've tried various commands that I found on the web. Some of them worked, some of them used old syntax, some of them worked only on my computer and not others, some of them gave conflicting information, etc. Are there any FFMPEG experts here that can provide the "proper" commands? I'm not particularly trying to achieve anything special. I just want to be able to convert the video into something playable on the web. Highest quality, smallest filesize, etc. are the basic goals. Something that works without a lot of special configurations would be ideal, too. I ran into a lot of "missing presets" problems.

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• doofus ASP.Net master page scrollbar question

  - by Stephen Falken

  Like happens to all of us sometimes, I inherited some crappy code I have to fix. We need to center our pages on widescreen machines, so we have a master page layout div like so: .MasterLayout { width:1100px; height: 100%; position:absolute; left:50%; margin-left:-550px; vertical-align:top; } I removed most of the detailed attributes for readability here, but here's how the table for the master page is laid out: <table border="0" cellpadding="0" cellspacing="0" style="width: 100%;"> <tr> <td style="width: 100%" align="center" colspan="2"> </td> </tr> <tr> <td colspan="2" style="height: 20px; background-color: #333;"> <asp:SiteMapPath/> </td> </tr> <tr> <td style="width: 86px; height: 650px; background-color: #B5C7DE; margin: 6px;" valign="top"> <asp:Menu /> <asp:SiteMapDataSource /> </td> <td style="background-color:#ffffff; margin:5px; width:1000px;" valign="top"> <asp:contentplaceholder id="ContentPlaceHolder1" runat="server"/> </td> </tr> </table> When resizing the browser window, the horizontal scrollbar only reaches as far as the left edge of the <asp:contentplaceholder/> control, and the <asp:menu/> that's in the 86px wide <td> is hidden. How can I fix this problem? THANKS IN ADVANCE

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• What's the point of Netgear's WNHDB3004 "3DHD WIRELESS HOME THEATER NETWORKING KIT"

  - by badp

  Here's a crude representation of what I've got at home: floor 2 INTERNETS ---- MODEM/ROUTER ---- MY COMPUTER | floor 1 WIFI REPEATER ---- stuff | floor 0 more stuff TELEVISION Now, as part of our sat tv subscription we can get an additional service if we connect our decoder (located by TELEVISION obviously) to the internet. What they suggest is buying a Netgear 3DHD WIRELESS HOME THEATER NETWORKING KIT holy shit isn't my bullshit-o-meter flying high right now from the general buzzwordyness of this thing. What does this thing actually do that our existing wireless-enabled routers don't do? What's the point of having a third wifi router in the same house, this time only for one television? If I do decide to plunge €99 for this, should I connect it to the wifi repeater (which does not provide AAA quality internet, at least for all gaming purposes) or to my modem/router (risking issues with low signal?).

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• Android Color Picker

  - by GuyNoir

  Does anyone know of a quick color picker widget that I could grab to use in my application? I've seen one in a few different applications that has a wheel with colors, and that you tap in the center to select, but I'm not sure where to find it. Google brings up nothing. Any color picker would be fine though. Thanks.

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• JFace ApplicationWindow: createContents isn't working

  - by jasonh

  I'm attempting to create a window that is divided into three parts. A non-resizable header and footer and then a content area that expands to fill the remaining area in the window. To get started, I created the following class: public class MyWindow extends ApplicationWindow { Color white; Font mainFont; Font headerFont; public MyWindow() { super(null); } protected Control createContents(Composite parent) { Display currentDisplay = Display.getCurrent(); white = new Color(currentDisplay, 255, 255, 255); mainFont = new Font(currentDisplay, "Tahoma", 8, 0); headerFont = new Font(currentDisplay, "Tahoma", 16, 0); // Main layout Composites and overall FillLayout Composite container = new Composite(parent, SWT.NO_RADIO_GROUP); Composite header = new Composite(container, SWT.NO_RADIO_GROUP); Composite mainContents = new Composite(container, SWT.NO_RADIO_GROUP);; Composite footer = new Composite(container, SWT.NO_RADIO_GROUP);; FillLayout containerLayout = new FillLayout(SWT.VERTICAL); container.setLayout(containerLayout); // Header Label headerLabel = new Label(header, SWT.LEFT); headerLabel.setText("Header"); headerLabel.setFont(headerFont); // Main contents Label contentsLabel = new Label(mainContents, SWT.CENTER); contentsLabel.setText("Main Content Here"); contentsLabel.setFont(mainFont); // Footer Label footerLabel = new Label(footer, SWT.CENTER); footerLabel.setText("Footer Here"); footerLabel.setFont(mainFont); return container; } public void dispose() { cleanUp(); } @Override protected void finalize() throws Throwable { cleanUp(); super.finalize(); } private void cleanUp() { if (headerFont != null) { headerFont.dispose(); } if (mainFont != null) { mainFont.dispose(); } if (white != null) { white.dispose(); } } } And this results in an empty window when I run it like this: public static void main(String[] args) { MyWindow myWindow = new MyWindow(); myWindow.setBlockOnOpen(true); myWindow.open(); Display.getCurrent().dispose(); } What am I doing wrong that I don't see three labels the way I'm trying to display them? The createContents code is definitely being called, I can step through it in Eclipse in debug mode.

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• UIScrollView strange zoom behavior when content is a UIView subclass

  - by sigsegv

  Hi, I'm experiencing the following: I created a UIView subclass with a CATiledLayer as backing layer by overriding the layerClass method. The layer properties (delegate, tileSize, etc) are set in the initWithFrame: method of the subclass. +(Class)layerClass { return [CATiledLayer class]; } -(id)initWithFrame:(CGRect)frame { if(self = [super initWithFrame:frame]) { renderer = [[MFPDFRenderer alloc]init]; tiledLayer = (CATiledLayer *)[self layer]; [tiledLayer setFrame:frame]; [tiledLayer setLevelsOfDetail:2]; [tiledLayer setLevelsOfDetailBias:3]; [tiledLayer setTileSize:CGSizeMake(512, 512)]; [tiledLayer setDelegate:renderer]; } return self; } Then I add an instance of said class as the content of an UIScrollView and set UIScrollView properties and implement the required delegate's methods. Everything works fine but when zooming the scroll view keep repositioning itself on its center. It's hardly noticeable when zooming in the center of the content, but unbearable otherwise. The same scroll view works fine when I use as (zoomable) content any other view such as an UIImageView or even a normal UIView with a CATiledLayer with the same properties and delegate of the subclass implementation as sublayer. When I check layer bounds and frame in the drawLayer:inContext: method of the delegate I get the following result as the zoom increase UIView with CATiledLayer as sublayer: 2010-04-03 21:05:33.499 Renderer[89293:4903] Layer: (0.000, 0.000) 320.000 x 460.000 2010-04-03 21:05:33.500 Renderer[89293:4903] Bounds: (0.000, 0.000) 320.000 x 460.000 2010-04-03 21:05:33.529 Renderer[89293:4903] Layer: (0.000, 0.000) 320.000 x 460.000 2010-04-03 21:05:33.534 Renderer[89293:4903] Bounds: (0.000, 0.000) 320.000 x 460.000 Custom subclass: 2010-04-03 21:04:15.969 Renderer[88957:4903] Layer: (0.000, 0.000) 657.910 x 945.746 2010-04-03 21:04:15.970 Renderer[88957:4903] Bounds: (0.000, 0.000) 320.000 x 460.000 2010-04-03 21:04:17.428 Renderer[88957:4903] Layer: (-0.000, 0.000) 766.964 x 1102.510 2010-04-03 21:04:17.429 Renderer[88957:4903] Bounds: (0.000, 0.000) 320.000 x 460.000 [...] 2010-04-03 21:19:10.388 Renderer[92573:4903] Layer: (-0.000, 0.000) 905.680 x 1301.916 2010-04-03 21:19:10.388 Renderer[92573:4903] Bounds: (0.000, 0.000) 320.000 x 460.000 I suppose that's the culprit or at least another symptom. I can add that I get the same erratic behavior if my subclass is built over a standard CALayer with the same renderer. Any suggestion will be appreciated!

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• Centered div with a transparent background with JQuery

  - by Sarfraz

  Hello, how to center a div across all browsers and behind this div there should be a transparent background layer covering entire screen of browser like lightbox. Thanks

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• How to use of animation in Qt for stacked widgets?

  - by rohit k.

  i am using stacked widget and i want to have the following effect : when i press a pushbutton , the button should move to the center and gradually fade out at the same time. while the button is fading the next page of the stacked widget should gradually fade in or any kind of animation would do. tried many thing but i got unsatisfactory results. the animation should work work on windows and linux.

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• Jquery Tools Overlay call on javascript function

  - by user342944

  Hi Guys, I have a jquery overlay window in my html alongwith a button to activate here is the code. <!-- Validation Overlay Box --> <div class="modal" id="yesno" style="top: 100px; left: 320px; position: relative; display: none; z-index: 0; margin-top: 100px;"> <h2> &nbsp;&nbsp;Authentication Failed</h2> <p style="font-family:Arial; font-size:small; text-align:center"> Ether your username or password has been entered incorrectly. Please make sure that your username or password entered correctly... </p> <!-- yes/no buttons --> <p align="center"> <button class="close"> OK </button> </p> </div> Here is the Jquery tools Script <SCRIPT> $(document).ready(function() { var triggers = $(".modalInput").overlay({ // some mask tweaks suitable for modal dialogs mask: { color: '#a2a2a2', loadSpeed: 200, opacity: 0.9 }, closeOnClick: false }); var buttons = $("#yesno button").click(function(e) { // get user input var yes = buttons.index(this) === 0; // do something with the answer triggers.eq(0).html("You clicked " + (yes ? "yes" : "no")); }); $("#prompt form").submit(function(e) { // close the overlay triggers.eq(1).overlay().close(); // get user input var input = $("input", this).val(); // do something with the answer triggers.eq(1).html(input); // do not submit the form return e.preventDefault(); }); }); And here how its called upon clicking on a button or a hyperlink "<BUTTON class="modalInput" rel="#yesno">You clicked no</BUTTON>" All i want is I dont want to show the overlay on clicking on button or through a link. Is it possible to call it through a javascript function like "showOverlay()" ??

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