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• Placement of ButtonField

  - by rupesh

  Hi i want to place the Buttons as displayed in the image: for this i am using the following code but it is not working for me can any one please help me out topbarManager = new HorizontalFieldManager(); topbarLeftManager = new HorizontalFieldManager(Field.FIELD_LEFT); topbarRightManager = new HorizontalFieldManager(Field.FIELD_RIGHT); topbarCenterManager = new HorizontalFieldManager(Field.FIELD_HCENTER); topbarLeftManager.add(new ButtonField("first")); topbarRightManager.add(new ButtonField("second")); topbarCenterManager.add(new ButtonField("third")); topbarManager.add(topbarLeftManager); topbarManager.add(topbarCenterManager); topbarManager.add(topbarRightManager); i am not getting the result as i required. can any one please Help me out. Thanks a lot

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• datatables.net plugin hides table behind left menu

  - by naveen

  I had a page that works perfectly in IE. Then I added the wonderful jQuery plugin datatables.net to it using this code in DOMReady with this code $('#articlestable-container table').dataTable({ "bPaginate": true, "bLengthChange": false, "bFilter": true, "bSort": false, "bInfo": false, "bAutoWidth": false }); Everything is fine in Webkit and Firefox browsers. See the image. But in IE, the table hides the menu that ideally should come over the table like this. As you can see, the sub-menu gets rendered behind the table. I don't think z-index is the culprit here. The sub-menu has z-index: 9999; anyway. What could be wrong? Any pointers to solve this will be very helpful.

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• How do I create an 8-bit PNG with transparency from an NSBitmapImageRep?

  - by Rob Keniger

  I have a 32-bit NSBitmapImageRep which has an alpha channel with essentially 1-bit values (the pixels are either on or off). I want to save this bitmap to an 8-bit PNG file with transparency. If I use the -representationUsingType:properties: method of NSBitmapImageRep and pass in NSPNGFileType, a 32-bit PNG is created, which is not what I want. I know that 8-bit PNGs can be read, they open in Preview with no problems, but is it possible to write this type of PNG file using any built-in Mac OS X APIs? I'm happy to drop down to Core Image or even QuickTime if necessary. A cursory examination of the CGImage docs didn't reveal anything obvious. EDIT: I've started a bounty on this question, if someone can provide working source code that takes a 32-bit NSBitmapImageRep and writes a 256-color PNG with 1-bit transparency, it's yours.

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• How to build march-0 for different architectures?

  - by Victor Lin

  I have some dylibs to load from python with ctypes. I can load libbass.dylib without problem, but I can't load the self-compiled libmp3lame.dylib. Here is the error I get. OSError: dlopen(libmp3lame.dylib, 6): no suitable image found. Did find: libmp3lame.dylib: mach-o, but wrong architecture Then, I inspect the file type of those libs. Here is the result of libbass.dylib: libbass.dylib: Mach-O universal binary with 2 architectures libbass.dylib (for architecture i386): Mach-O dynamically linked shared library i386 libbass.dylib (for architecture ppc): Mach-O dynamically linked shared library ppc And here is the self-compiled one: libmp3lame.dylib: Mach-O 64-bit dynamically linked shared library x86_64 I did compile the lame library with the install instructions: ./configure make make install I'm new to mac system, here comes the problem: how to build the libmp3lame.dylib so that it supports different architecture I want? Thanks.

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• Where are my $_FILES? Ajax Uploading

  - by Richard Testani

  I've built a form to upload images, and processed with Prototype/PHP. $('image_upload').observe('submit', function() { var params = $H(); params.set('name', $('image_title').value); params.set('from', $('from_who').value); params.set('upload_file', $('upload_file').value); new Ajax.Request('/files/upload_process.php', { method:'post', parameters: params, onSuccess: function(r) { $('uploadbox').update('<img src="/images/interface/thankyou.png" />'); } }) }); The form itself sends the data to the server, but when I try to output print_r($_FILES['upload_file']); nothing appears, not even an empty array. If I output print_r($_POST), the parameters are sent properly, but only the file name of the image. So it seems the files themselves are not being sent along. How do I handle this? Thanks Rich

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• How do I manipulate the scroll bars so that a div with content that changes size is showing the same

  - by Shaun

  What I have is a div, for example is 800*800 px, and inside of this div is a SVG image, which can fit in the div but also can get very large, say 5000*5000 px, and I need to manipulate the scrollbars so that when the SVG has changed size the scrollbars adjust so that you are seeing the same center of your 'viewport' that you were seeing before. The reason I use 'viewport' is because I have seen exactly what I am trying to achieve done in WPF. Initially it sets the center as the center of the SVG so that when the SVG gets larger then the container the scrollbars automatically scroll to show the center of the SVG. If the user scrolls the 'viewports' center is updated and any changes in size now center there. I need this to be cross-browser compliant and done only with javascript. However I really don't care what container the SVG is being bounded by.

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• jQuery Rollovers Not Preloading

  - by zuk1

  $('.ro').hover( function(){ t = $(this); t.attr('src',t.attr('src').replace(/([^.]*)\.(.*)/, "$1_o.$2")); }, function(){ t = $(this); t.attr('src',t.attr('src').replace('_o','')); } ); I use this code so that (for examle) test.gif with the class 'ro' would change to test_o.gif on rollover, the problem is when the images aren't in the cache there is lag on rollover and rolloff. Basically if I clear my cache and visit the test page, everytime I rollover and rolloff the image it is loading the file each time, so you could sit there for hours and it would still be loading the rollover images each time. However, when I refresh the page and the images are now in the cache it works instantly, which is what I need to achieve. I've tried using this http://flesler.blogspot.com/2008/01/jquerypreload.html plugin to preload the images with this $.preload('.ro'); code, but it seems to have no effect. Any ideas?

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• TextField instance inside a button created in a separate layer in Flash is null in Flex

  - by php html

  I've created an button object in flash. The button contains 2 layers. One is the background image and on top of it is a textField. The textfield is dynamic. I use the button inside a movieclip and I export it in a SWC. The I'm trying to use it in flex. I'm trying to do this: var myComponent:MyComponent = new MyComponent(); myComponent.button01.theTextField.text = "Caption"; I get and instance of the button, but the instance of the textField is null and I'm not able to change the text(but the default text appears onscreen). Does anyone has any idea what is wrong? Here is the button timeline(Layer 2 contains the textfield, and the textfield instance is named theTextField):

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• NSMutableArray withObject(UIImageView *)

  - by pureman

  I am trying to load an NSMutableArray with UIImageViews. Everything is going fine with that. Unfortunately, I have no idea how to use the objects when they are in the mutable array. Here is some code: UIImageView *imageView = [[UIImageView alloc] initWithImage:image]; NSMutableArray *array = [NSMutableArray new]; [array loadWithObject:(UIImageView *)imageView]; [imageView release]; That kind of sets up what I've done. Here's what I want to do: [array objectAtIndex:5].center = GCRectMake(0, 0); but that doesn't work. How can I do this??

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• Python Threading

  - by anteater7171

  I'm trying to make a simple program that continually displays and updates a label that displays the CPU usage, while having other unrelated things going on. I've done enough research to know that threading is likely going to be involved. However, I'm having trouble applying what I've seen in simple examples of threading to what I'm trying to do. What I currently have going: import Tkinter import psutil,time from PIL import Image, ImageTk class simpleapp_tk(Tkinter.Tk): def __init__(self,parent): Tkinter.Tk.__init__(self,parent) self.parent = parent self.initialize() def initialize(self): self.labelVariable = Tkinter.StringVar() self.label = Tkinter.Label(self,textvariable=self.labelVariable) self.label.pack() self.button = Tkinter.Button(self,text='button',command=self.A) self.button.pack() def A (self): G = str(round(psutil.cpu_percent(), 1)) + '%' print G self.labelVariable.set(G) def B (self): print "hello" if __name__ == "__main__": app = simpleapp_tk(None) app.mainloop() In the above code I'm basically trying to get command A continually running, while allowing command B to be done when the users presses the button.

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• Isssue with ColorBox jQuery plugin

  - by RyanP13

  Hi, I am using this plugin for my new site: http://colorpowered.com/colorbox/ The page in concern has two hyper links which are of the same class: a.emailQuote These both should open the same colorbox window which is done by the following code: $("a.emailQuote").colorbox({ transistion:"fade", title:true, iframe:true, scrolling:false, close:"Close this window", innerWidth:478, innerHeight:507, initialWidth:478, initialHeight:507 }); however when the colorbox window opens it seems to register that there are two windows so displays the previous, next arrows and the text that says this is image one of two. I was wondering if there was a way to fix this without hiding these elements with CSS.

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• Are hash values globally unqiue

  - by Wololo

  I want to generate a hash code for a file. Using C# I would do something like this then store the value in a database. byte[] b = File.ReadAllBytes(@"C:\image.jpg"); string hash = ComputeHash(b); Now, if i use say a Java program that implements the same hashing alogorithm (Md5), can i expect the hash values to be the equal to the value generated in C#? What if i execute the java program from different environments, Windows, Linux or Mac?

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• R: Creating Custom Shapes with ggplot

  - by Brandon Bertelsen

  Full Disclosure: This was also posted to the ggplot2 mailing list. (I'll update if I receive a response) I'm a bit lost on this one, I've tried messing around with geom_polygon but successive attempts seem worse than the previous. The image that I'm trying to recreate is this, the colours are unimportant, but the positions are: In addition to creating this, I also need to be able to label each element with text. At this point, I'm not expecting a solution (although that would be ideal) but pointers or similar examples would be immensely helpful. One option that I played with was hacking scale_shape and using 1,1 as coords. But was stuck with being able to add labels. The reason I'm doing this with ggplot, is because I'm generating scorecards on a company by company basis. This is only one plot in a 4 x 10 grid of other plots (using pushViewport) Note: The top tier of the pyramid could also be a rectangle of similar size.

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• Is MacBook powerful enough to do Ipad development? or do I need a MacBook Pro?

  - by ronaldwidha

  The title probably says it all. Considering an ipad's processor is nothing compared to a macbook, I would think a Macbook should be more than capable to run the simulator. However, not knowing much about iphone/ipad development, I'd like to get some opinions on this. for e.g. how many apps are typically need to be run for ipad dev (editor, debugger, perf monitor, trace log, etc). are these apps resource (memory, cpu) intensive? please do not take into consideration the actual image, 3d, video, sound development. I understand one would need quite a beefy machine to produce these type of creative assets. What I'm looking at is a machine to do code development, physics, putting together the produced assets (images, vector graphics, 3d video, sound, etc).

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• Java JSpinner Looks Ugly

  - by ikurtz

  GUI i am trying to use JSpinner but as you can see from the attached image that it looks bad. i am on windows 7. i was wondering if anyone knows how to make it look good? just for clarity. bad means the edges dont line up and good means the spin control edges line up correctly. thank you. EDIT: maybe there is no cure for this? because i checked site and all their examples look like this!

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• Jquery simplemodal close existing modal and open a new one?

  - by matthewsteiner

  Alright, so all modals already have an image at the top right to close them. How can I make additionally another anchor to do the same thing? I thought I could use the "closeClass" option which default to "simplemodal-close" and just add that class to an anchor, but it didn't have the desired effect. Is that what I'm supposed to do? Also, all modals will have a "contact us" link which should close it's own modal and open the contact modal. How can I wait until it is closed to open the next one? Ideas? $('a#ask').click(function(){ $.modal.close(function(){ }); $('#modal-contact').modal(); });

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• Getting Session in Http Handler ashx

  - by prakash

  Hi All, I am using Http Handler ashx file for showing the images. I was using Session object to get image and return in the response Now problem is i need to use custom Session object its nothing but the Wrapper on HttpSession State But when i am trying to get existing custom session object its creating new ... its not showing session data , i checked the session Id which is also different Please adive how can i get existing session in ashx file ? Note: When i use ASP.NET Sesssion its working fine [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class GetImage : IHttpHandler, System.Web.SessionState.IRequiresSessionState {

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• which is the best for build a Gantt-chart like application Flex or Flash Action Script?

  - by coderex

  Which is the best for build an application show like in image. For the better graphics and performance wise. I want to know Flash for Flex is more suitable for this. In Flash ca we be able to build a grid kind of applications easily? I headed that Flex have the functions to handle grid and other things. Drag & scroll Zoom like feature. but am not sure able the graphics of flex. Is the components are customizable.. Please help me.

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• How to change *.ico for button in running mode?

  - by karikari

  I am currently doing visual c++ for an Internet Explorer toolbar button. I have a registration script file (*.rgs) that defines or maybe register the features of my button inside the Windows registry. My objective is, I want my button to change its *.ico image, based on certain conditions process from my *.cpp file. My problem is, I don't understand, how can I somehow change the *.ico file for my button in real time, during my application is running? For example, IF f = 1, ico_file = green.ico; ELSE ico_file = red.ico; Any idea, that you guys can point to me, how can I change the *.ico file for my Internet Explorer toolbar button while the IE is running.

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• Accessing resources in the package of an application created with xcode/cocoa

  - by Michael Minerva

  I am trying to make a simple that needs to create an NSImage and I want to put the .png file in the resources of my package contents. I added the .png file to my resources directory in Xcode and when I create the applicaiton the .png file shows up in my resources inside package contents but I am havhing trouble figuring out how to reference file here is what I tried: [image initWithContentsOfFile:@"resources/draw-button.png"]; I figured that my package contents would be my current directory so I thought this would work, but it does. How do I reference my resources directory?

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• trying to fade out a top div on hover to reveal working links in text below using JQuery

  - by Heath

  I need to fade a div (and image) to reveal a div underneath (text with clickable links) using jQuery. <script> $(document).ready(function(){ $("img.a").hover( function() { $(this).stop().animate({"opacity": "0"}, "slow"); }, function() { $(this).stop().animate({"opacity": "1"}, "slow"); }); }); </script> Used the above code and all worked well, until I went to click the links. Seems the top hidden div is preventing me from doing so. Tried the replaceWith function and that allowed me to click the links too - but couldn't get it to go back to showing original div when I moused out. Also, bossman wants the transition to be gradual - like a fade... Any suggestions? Many thanks! Heath

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• GUI Design - Roleselection with two lists, selected roles on the right, or left list?

  - by subes

  Hi, image two lists for selecting roles for a new user creation in an administrator frontend. One list has all available roles in it and another has the selected roles in it. Between those lists are buttons to move elements from one list to another. Thus the layout is horizontal with [List] [Buttons] [List]. Now to the question: Should the selected elements be on the left, or the right list? Intuitively some people I asked say, that the selected elements have to be on the right list. But some other people follow some sort of guideline that says, that the more important stuff in a frontend has to be on the left side. Also they think the selected elements are more important than the non-selected and so the selected ones have to be on the left side. Whats your opinion?

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• How to set custom size for cursor in swing?

  - by swift

  I am using the below code to set a custom cursor for JPanel, but its enlarging the image which i set for cursor. Is there a way to set a customized cursor size ? Toolkit toolkit = Toolkit.getDefaultToolkit(); BufferedImage erasor=new BufferedImage(10,10, BufferedImage.TYPE_INT_RGB); Graphics2D g2d=(Graphics2D) erasor.createGraphics(); g2d.setPaint(Color.red); g2d.drawRect(e.getX(),e.getY() ,10, 10); toolkit.getBestCursorSize(10, 10); Cursor mcursor=toolkit.createCustomCursor(erasor, new Point(10,10), "Eraser"); setCursor(mcursor);

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• php not showing all images

  - by jera

  I a writing a gallery app in php. The images are dynamically displayed through php. On each load of the page, not all images are showing. it does this randomly, on each load. I have not had this problem before, as I am new to php. My previous apps where all in perl, and I had no dynamic image display problems when using that language. check it here: http://dev.system-engine.com/dev/exec/pcli.php?R=%27/Paintings%27&cfg=%22fgal%22 all help appreciated. thank, Jer A

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• Graphics/Vision Interesting Topics

  - by Myx

  Hello: I would like to do an interesting project for a computer graphics course. I know that there is a lot of literature out there (i.e. SIGGRAPH conference papers). I have a very large range of interest with regard to computer graphics (i.e. image processing, 3D modeling, rendering, animation). However, I've only taken computer vision/graphics for 2 semesters and thus don't have too much background experience, except for the class projects that I had to do. I've been looking through SIGGRAPH papers trying to see if there is anything that will be of interest to me but the literature is extremely vast. I was wondering if anyone has any topic suggestions, anything interesting that you ran across that you could recommend. I would prefer to do something fun yet slightly challenging (not really interested in making a shooter game). If this question does not belong here, I apologize and please let me know where I should move it. Thanks!

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