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how to associate the activemq-core.xsd url with the activemq.xsd found in the jar file?

- by livia

Hello, Somebody knows how to associate the activemq-core.xsd url with the activemq.xsd found in the jar file (activemq-core-5.2.0.jar)? I dig some solution in internet but didn't work. I'm getting this error: Caused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 19 in XML document from class path resource [jms-context.xml] is invalid; nested exception is org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'amq:broker'. at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:404) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:342) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:81) at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:42) at org.springframework.test.context.TestContext.loadApplicationContext(TestContext.java:173) at org.springframework.test.context.TestContext.getApplicationContext(TestContext.java:197) This shoud me hapening because we remove the URL from the schemaLocation (http://activemq.apache.org/schema/core classpath:activemq.xsd), and we are using localy. But I don't know why XML are not finding the activemq.xsd during the build process. I add the JAR file in the classpath, should not work like that?? Thanks in advance for any help

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jQuery : add css class to menu item based on browser scroller position

- by antosha

Hi, I have a menu: <ul class="menu-bottom"> <li id="m1" class="active"><a id="1" href="#"><span>Link 1</span></a></li> <li id="m2"><a id="2" href="#"><span>Link 2</span></a></li> <li id="m3"><a id="3" href="#"><span>Link 3</span></a></li> </ul> I want that depending of browser's scroller position, the "active" class goes the correct < li element. This is how I see it : if ($(document).height() == 500) { $('#m1').parent().addClass('active'). siblings().removeClass('active'); } if ($(document).height() == 1000) { $('#m2').parent().addClass('active'). siblings().removeClass('active'); } if ($(document).height() == 1500) { $('#m2').parent().addClass('active'). siblings().removeClass('active'); } I am not very familiar with jQuery Dimensions properties so this code doesn't make much sense, but I hope you get the idea. If someone could tell me how to make this work, it would be really cool. Thanks :)

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Hybrid EAV/CR model via WCF (and statically-typed language)?

- by Pat

Background I'm working on the architecture for a cloud-based LOB application, using Silverlight for the client, WCF, ASP.NET/C# for server and SQL Server for storage. The data model requires some flexibility per user (ability to add custom properties and define validation rules for them, for example), and a hybrid EAV/CR persistence model on the server side will suit nicely. Problem I need an efficient and maintainable technology and approach to handle the transformation from the persisted EAV model to/from WCF (and similarly allow the client to bind to the resulting data - DataGrid is a key UI element)? Admission: I don't yet know enough about WCF to understand if it supports ExpandoObject directly, but I suspect it will. Options I started off looking at WCF RIA services, but quickly discovered they're heavily dependent upon both static type data and compile-time code generation. Neither of these appeal. The options I'm considering include: Using WCF RIA services and pass the data over the network directly in EAV form (i.e. Dictionary), and handle the binding issue purely on the client side (like this) Using a dynamic language (probably IronPython) to handle both ends of the communication, with plumbing to generate the necessary CLR type data on the client to allow binding, and transform to/from EAV form on the server (spam preventer stopped me from posting a URL here, I'll try it in a comment). Dynamic LINQ (CreateClass() and friends), although I'm way out of my depth there and don't know what the limitations on that approach might be yet. I'm interested in comments on these approaches as well as alternative approaches that might solve the problem. Other Notes The Silverlight client will not be the only consumer of the service, making me slightly uncomfortable with option #1 above. While the data model is flexible, it's not expected to be modified heavily. For argument's sake, we could assume that we might have 25 distinct data models active at a given time, with something like 10-20 unique data fields/rules each. Modifications to the data model will happen infrequently (typically when a new user is initially configured).

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jQuery Accordion + OL + IE6 bug

- by DA

Sample page: http://jsbin.com/ohuze/2 This is a simple jQuery UI Accordion. Each accordion panel has an UL (an OL works the same) with this markup: <ol> <li><a href="">Lorep ipsum dolor lorem ipsum dolor lorem ipsum dolor</a>?</li> <li><a href="">Lorep ipsum dolor lorem ipsum dolor lorem ipsum dolor</a>?</li> </ol> In IE6, you'll see that the <a> tag appears to be getting rendered as a block element, so the question mark ends up being pushed outside and not at the end of the line of text. In addition, the bullet and/or list item number is now bottom-aligned with the text rather than top-aligned. I've narrowed it down to the javascript that executes to make the accordion. It's not an issue with jQuery's CSS as disabling that, alone, doesn't resolve the issue. Anyone know what might be going on in IE6 to cause this rendering issue? UPDATE: Apparently, this is also an IE7 issue.

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java.io.FileNotFoundException (Permission denied) When trying to write to the Android sdcard

- by joefischer1

I am trying to select an image file from the photo gallery and write to the sdcard. Below is the code that results in an exception. It appears to throw this exception when trying to create the FileOutputStream. I have the following line added to the manifest file nested inside the application element. I can't find a solution to the problem: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> public boolean saveSelectedImage( Uri selectedImage, int imageGroup, int imageNumber ) { boolean exception = false; InputStream input = null; OutputStream output = null; if( externalStorageIsWritable() ) { try { ContentResolver content = ctx.getContentResolver(); input = content.openInputStream( selectedImage ); if(input != null) Log.v( CLASS_NAME, "Input Stream Opened successfully"); File outFile = null; File root = Environment.getExternalStorageDirectory( ); if(root == null) Log.v(CLASS_NAME, "FAILED TO RETRIEVE DIRECTORY"); else Log.v(CLASS_NAME, "ROOT DIRECTORY is:"+root.toString()); output = new FileOutputStream( root+"/Image"+ imageGroup + "_" + imageNumber + ".png" ); if(output != null) Log.e( CLASS_NAME, "Output Stream Opened successfully"); // output = new FileOutputStream // ("/sdcard/Image"+imageGroup+"_"+imageNumber+".png"); byte[] buffer = new byte[1000]; int bytesRead = 0; while ( ( bytesRead = input.read( buffer, 0, buffer.length ) ) >= 0 ) { output.write( buffer, 0, buffer.length ); } } catch ( Exception e ) { Log.e( CLASS_NAME, "Exception occurred while moving image: "); e.printStackTrace(); exception = true; } finally { // if(input != null)input.close(); // if(output != null)output.close(); // if (exception ) return false; } return true; } else return false; }

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Trouble with applying a nested loop on a list

- by user1665355

I have a list consisting of 3 elements: datalist=list(a=datanew1,b=datanew2,c=datanew3) datalist$a : Inv_ret Firm size leverage Risk Liquidity Equity 17 0.04555968 17.34834 0.1323199 0.011292273 0.02471489 0 48 0.01405835 15.86315 0.6931730 0.002491093 0.12054914 0 109 0.04556252 16.91602 0.1714068 0.006235836 0.01194579 0 159 0.04753472 14.77039 0.3885720 0.007126830 0.06373028 0 301 0.03941040 16.94377 0.1805346 0.005450653 0.01723319 0 datalist$b : Inv_ret Firm size leverage Risk Liquidity Equity 31 0.04020832 18.13300 0.09326265 0.015235240 0.01579559 0.005025379 62 0.04439078 17.84086 0.11016402 0.005486982 0.01266566 0.006559096 123 0.04543250 18.00517 0.12215307 0.011154742 0.01531451 0.002282790 173 0.03960613 16.45457 0.10828643 0.011506857 0.02385191 0.009003780 180 0.03139643 17.57671 0.40063094 0.003447233 0.04530395 0.000000000 datalist$c : Inv_ret Firm size leverage Risk Liquidity Equity 92 0.03081029 19.25359 0.10513159 0.01635201 0.025760806 0.000119744 153 0.03280746 19.90229 0.11731517 0.01443786 0.006769735 0.011999005 210 0.04655847 20.12543 0.11622403 0.01418010 0.003125632 0.003802365 250 0.03301018 20.67197 0.13208234 0.01262499 0.009418828 0.021400052 282 0.04355975 20.03012 0.08588316 0.01918129 0.004213846 0.023657440 I am trying to create a cor.test on the datalist above : Cor.tests=sapply(datalist,function(x){ for(h in 1:length(names(x))){ for(i in 1:length(names(x$h[i]))){ for(j in 1:length(names(x$h[j]))){ cor.test(x$h[,i],x$h[,j])$p.value }}}}) But I get an error : Error in cor.test.default(x$h[, i], x$h[, j]) : 'x' must be a numeric vector Any suggestions about what I am doing wrong? P.S. If I simply have one dataframe, datanew1 : Inv_ret Firm size leverage Risk Liquidity Equity 17 0.04555968 17.34834 0.1323199 0.011292273 0.02471489 0 48 0.01405835 15.86315 0.6931730 0.002491093 0.12054914 0 109 0.04556252 16.91602 0.1714068 0.006235836 0.01194579 0 159 0.04753472 14.77039 0.3885720 0.007126830 0.06373028 0 301 0.03941040 16.94377 0.1805346 0.005450653 0.01723319 0 I use this loop : results=matrix(NA,nrow=6,ncol=6) for(i in 1:length(names(datanew1))){ for(j in 1:length(names(datanew1))){ results[i,j]<-cor.test(datanew1[,i],datanew1[,j])$p.value }} And the output is: results : [,1] [,2] [,3] [,4] [,5] [,6] [1,] 0.000000e+00 7.085663e-09 3.128975e-10 3.018239e-02 4.806400e-10 0.475139526 [2,] 7.085663e-09 0.000000e+00 2.141581e-21 0.000000e+00 2.247825e-20 0.454032499 [3,] 3.128975e-10 2.141581e-21 0.000000e+00 2.485924e-25 2.220446e-16 0.108643838 [4,] 3.018239e-02 0.000000e+00 2.485924e-25 0.000000e+00 5.870007e-15 0.006783324 [5,] 4.806400e-10 2.247825e-20 2.220446e-16 5.870007e-15 0.000000e+00 0.558827862 [6,] 4.751395e-01 4.540325e-01 1.086438e-01 6.783324e-03 5.588279e-01 0.000000000 Which is exactly what I want. But I want to get 3 matrices, one for each element of the datalist above.

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URL "fragment identifier" semantics for HTML documents

- by Pointy

I've been working with a new installation of the "MoinMoin" wiki software. As I was playing with it, typing in mostly random test pages, I created a link with a fragment blah blah see also [[SomeStuff#whatever|some other stuff about whatever]] Then I needed to figure out how to create the anchor for that "whatever" fragment identifier. I don't recall having to do that with MediaWiki, so I had to dig around, but finally I found that MoinMoin has an "Anchor" macro: == Whatever == <<Anchor(whatever)>> Looking at the generated HTML, I was surprised to see an empty <span> tag with an "id" value of "whatever". I expected that it'd be an <a> tag with a "name" attribute of "whatever". I dug around and found the source, and there's a comment that says they changed it from an <a> tag in order to avoid some IE problem with <pre> sections. This confused me — not because of the IE thing, but because it looked to me as if their "fix" had left the whole anchor mechanism completely broken. Much to my surprise, however, further testing indicated that it worked fine. I wrote a test page with 300 <span> tags all with "id" values, and I further shocked myself when Firefox behaved exactly as I would have expected it to had I used <a> tags. It also worked when I changed all the <span> tags to <em>. So by this time, you're either as surprised as I was, or else you're thinking "how can somebody that dumb have so many reputation points?" If you're in the second category, is it really the case that I've been typing in HTML for about 15 years now — a lot of HTML — and it's somehow escaped my notice that browsers use the HTML fragment to find any sort of element with a matching "id"? mind status: blown

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if/else statement in a function: using onclick as a switch

- by Aurora Schmidt

I have looked for solutions to this on google for what seems like an eternity, but I can't seem to formulate my search correctly, or nobody has posted the code I'm looking for earlier. I am currently trying to make a function that will modify one or several margins of a div element. I want to use an if/else statement within the function, so that the onclick event will switch between the two conditions. This is what I have been working on so far; function facebookToggle() { if($('#facebooktab').style.margin-left == "-250px";) { document.getElementById("facebooktab").style.marginLeft="0px"; } else { document.getElementById("facebooktab").style.marginLeft="-250px"; } } I have tried twisting it around a little, like switching between "marginLeft" and "margin-left", to see if I was just using the wrong terms.. I'm starting to wonder if it might not be possible to combine jQuery and regular javascript? I don't know.. It's all just guesses on my part at this point. Anyway, I have a div, which is now positioned (fixed) so almost all of it is hidden outside the borders of the browser. I want the margin to change onclick so that it will be fully shown on the page. And when it is shown, I want to be able to hide it again by clicking it. I might be approaching this in the wrong way, but I really hope someone can help me out, or even tell me another way to get the same results. Thank you for any help you can give me. You can see it in action at: http://www.torucon.no/test/ (EDIT: By the way, I am a complete javascript novice, I have no experience with javascript prior to this experiment. Please don't be too harsh, as I am aware I probably made some really stupid mistakes in this short code.) EDITED CODE: function facebookToggle() { if($('#facebooktab').css('margin-left', '-250px') { $('#facebooktab').css('margin-left', '0px'); } else { $('#facebooktab').css('margin-left', '-250px'); } }

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Jquery Using Jeditable and activating on click

- by BandonRandon

I found this to be almost exactly what I'm trying to do. I'm using Jeditable I can get the default setup to work. I've also been able to get the code in the forum above to work. I believe my problem is that because I'm using a table I need to so something else to select the previous element. Here is my HTML <table> <tr> <td width="5%"><input class="cat_checkbox" type="checkbox" name='delete_cat[]' value='<?php echo("$cat_data[cat_id]");?>' /></td> <td width="90%" class="edit_cat_title" id='unique_id'>Category</td> <td width="5%"><a href="#" class="edit_cat_title_trigger"><img src="images/edit.gif" border="0"></a></td> </tr> </table> and here is my JQuery: //modify title content on the fly $('.edit_cat_title').editable('action.php', { name : 'cat_title', indicator : 'Saving...', submit : 'OK', cancel : 'Cancel', tooltip:'click to edit', event : 'edit' }); //trigger with the click of the edit image $(".edit_cat_title_trigger").bind("click", function() { $(this).prev().trigger("edit_cat_title"); }); I know I probably should be able to figure it out and I know all i have to do is change $(this).prev().trigger("edit_cat_title"); to the right thing but I'm still really new to Jquery. Thanks

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ASP.NET MVC 2 VB, Not recognising my import.

- by SLC

I had a problem with a project I converted from C# to VB, in that the VB version it cannot seem to find an object even though I declared it with an Import statement at the top. I created a new, default MVC 2 VB project, and the same problem occurs there. I create a new MVC 2 application, I then add a reference to System.Data.Services.Client, and in my Index.aspx, in the Content area, I type <% Dim x As DataServiceQueryContinuation %> which is what I want to use. It gives me a blue squiggly line and says Type 'DataServiceQueryContinuation' is not defined. At the top of the page, I add this: <%@ Import Namespace="System.Data.Services.Client" %> The error persists. My original C# version has no such error. I also get this warning: Warning 2 Namespace or type specified in the Imports 'System.Data.Services.Client' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. e:\ASPNETDEBUG\MvcApplication1\MvcApplication1\Views\Home\Index.aspx 10 9 MvcApplication1 Examining the DLL using the tool provided shows that it does have a public member. Also when typing the above, System.Data. provides intellisense but there is no 'Services'. Any ideas?

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Porting WebGL game to iPhone's native OpenGL?

- by ArtPulse

We are developing a web game that uses WebGL for the two biggest parts of it. Working with HTML / CSS was too slow and too limited, so it's off the table. Thing is, iOS does not support WebGL publicly just yet, only on iAd. It is my guess Apple will eventually support it once the security issues they and Microsoft claim it has are fixed, and looks stable enough. Problem is, if Apple does not do this by the release of the next mayor iOS version, then we will have in our hands a mobile WebGL game that does not run. 6 months of development and testing to waste. So, questions: If that was the case, how viable (regarding amount of time) is it porting the WebGL part of the game to native iPhone OpenGL? I'm afraid that porting will take longer than the development of the game itself. I saw posts on Stack Overflow (like this) that suggested, on Android, adding the OpenGL interface manually to a WebKit element. It'd be slower than native. But either way... Is this something that could be accepted in the AppStore? Apple is very restrictive with these kind of stuff... Thank you all for your time!

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Hiding a button on pushed view and showing it when back to list view

- by torr

When I load my list view it has several blog posts and a refresh button on the top left. If I tap on a list item a view is pushed with the contents of that specific post. When this view is pushed in, the refresh button is hidden. But when I tap 'Back' to the parent list view, I'd like the refresh button to show (un-hide) - but it remains hidden. Any idea how to make this work? This is my View: Ext.require(['Ext.data.Store', 'MyApp.model.StreamModel'], function() { Ext.define('MyApp.view.HomeView', { extend: 'Ext.navigation.View', xtype: 'homepanel', requires: [ 'Ext.dataview.List', ], config: { title: 'Home', iconCls: 'home', styleHtmlContent: true, navigationBar: { items: [ { xtype: 'button', iconMask: true, iconCls: 'refresh', align: 'left', action: 'refreshButton', id: 'refreshButtonId' } ] }, items: { title: 'My', xtype: 'list', itemTpl: [ '<div class="post">', ... '</div>' ].join(''), store: new Ext.data.Store({ model: 'MyApp.model.StreamModel', autoLoad: true, storeId: 'stream' }), } } }); }); and my Controller: Ext.define('MyApp.controller.SingleController', { extend: 'Ext.app.Controller', config: { refs: { stream: 'homepanel' }, control: { 'homepanel list': { itemtap: 'showPost' } } }, showPost: function(list, index, element, record) { this.getStream().push({ xtype: 'panel', html: [ '<div class="post">', '</div>' ].join(''), scrollable: 'vertical', styleHtmlContent: true, }); Ext.getCmp('refreshButtonId').hide(); } });

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XML problem in the basic menu example

- by arakn0

Hi there, I am trying to create an app with some menus, an I am following the basic example available in the official android site: http://developer.android.com/guide/topics/ui/menus.html My problems appear when I define the menu in the XML. After creating the folder res/menu and creating the menu_option.xml file from eclipse.... The project (in general) gives an error that can be read from the Problems tab: Unparsed aapt error(s)! Check the console for output Android Packaging Problem So, changing to the Console tab to get more information about the problem, this can be read: [2010-06-02 11:35:54 - TestAudio] Error in an XML file: aborting build. [2010-06-02 11:35:54 - TestAudio] W/ResourceType(11566): Bad XML block: header size 63327 or total size -144759824 is larger than data size 0 [2010-06-02 11:35:54 - TestAudio] /home/User/workspace/TestAudio/res/menu/options_menu.xml:1: error: Error parsing XML: no element found The strange thing is that eclipse recognizes the menu items that I've defined in the XML,I can reference them in the code with no problems and my main activity builds. (and the rest of the files too). Could it be that when eclipse creates a file, for some reason, the Android SDK has problems to read it, or something similar?? The XML code is exactly the same as the one in the example, so I don't really know what is happening. The code in options_menu.xml is this: <menu xmlns:android="http://schemas.android.com/apk/res/android" <item android:id="@+id/new_game" android:title="New Game" / <item android:id="@+id/quit" android:title="Quit" / </menu Thanks in advance for your help!

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jquery Append Issue

- by 3gwebtrain

I am getting the append issue with this code. In my xml i go 2 no. of "listgroup" and jquery print propelry. but within the earch "listgroup", first group contain 6 points and second group contain 6 point. these 2 section has to print separately to 'ul' element. But my problem is first time while it print itself both 12points in first ul i am getting and it print 6 pint to second ul propelry.. what i want is, first ul has to have 6 points and second has6 point what it has in the xml tree... $(function(){ $.get('career-utility.xml',function(myData){ $(myData).find('listgroup').each(function(index){ var listGroup = $(this); var listGroupTitle = $(this).attr('title'); var shortNote = $(this).attr('shortnote'); var subLink = $(this).find('sublist'); var firstList = $(this).find('list'); $('.grouplist').append('<div class="list-group"><h3>'+listGroupTitle+'</h3><ul class="level">'+index+'</ul></div>'); $(this).children().each(function(num){ var text = $(this).text(); $('<li>'+text+'</li>').appendTo('ul.level'); }) }) }) })

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new Facebook Like button for Blogger

- by David

I want to add the new facebook like button to my blogger website. http://developers.facebook.com/docs/reference/plugins/like I have to pass the url to the blog posts in the iframe src tag. I can get the blogger posts url from <data:post.url/> but I can't put that in a src string because Bloggers template system is weird. I want to do this:<iframe allowTransparency='true' frameborder='0' scrolling='no' src='http://www.facebook.com/plugins/like.php?href=<data:post.url/>&layout=standard&show-faces=true&width=450&action=like&colorscheme=light' style='border:none; overflow:hidden; width:450px; height:px'/>but blogger complains: "Your template could not be parsed as it is not well-formed. Please make sure all XML elements are closed properly. XML error message: The value of attribute "src" associated with an element type "null" must not contain the '<' character." Anybody have this working yet?

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jquery pagination plugin problem

- by John the horn

I am using a pagination plugin called "pagination". Here is the script that is initialized : function pageselectCallback(page_index, jq){ var new_content = jQuery('#hiddenresult div.result:eq('+page_index+')').clone(); $('#Searchresult').empty().append(new_content); return false; } /** * Initialisation function for pagination */ function initPagination() { // count entries inside the hidden content var num_entries = jQuery('#hiddenresult div.result').length; // Create content inside pagination element $("#Pagination").pagination(num_entries, { callback: pageselectCallback, items_per_page:1 // Show only one item per page }); } // When document is ready, initialize pagination $(document).ready(function(){ initPagination(); }); and I am using this script for accordation on the page : <script type="text/javascript"> $(document).ready(function(){ $('#content').show(); $('#content1').hide(); $('#content2').hide(); $('#content3').hide(); $('#content4').hide(); $('#content5').hide(); $('a.bucatarii_serie').click(function(){ $("div[id^='content']").hide(); $('#content').toggle('slow'); }); $('a.livinguri_serie').click(function(){ $("div[id^='content']").hide(); $('#content1').toggle('slow'); }); $('a.dormitoare_serie').click(function(){ $("div[id^='content']").hide(); $('#content2').toggle('slow'); }); $('a.tratamente').click(function(){ $("div[id^='content']").hide(); $('#content3').toggle('slow'); }); $('a.chirurgie').click(function(){ $("div[id^='content']").hide(); $('#content4').toggle('slow'); }); $('a.frizerie').click(function(){ $("div[id^='content']").hide(); $('#content5').toggle('slow'); }); }); </script> My problem is that I don't know how to implement multiple paginations on the same page in diferent containers but in a bigger container.

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Simple way to embed an MP3 audio file in a (static) HTML file, starting to play at a specifc time?

- by Marcel

Hi all, I want to produce a simple, static HTML file, that has one or more embedded MP3 files in it. The idea is to have a simple mean of listening to specific parts of an mp3 file. On a single click on a visual element, the sound should start to play; However, not from the beginning of the file, but from a specified starting point in that file (and play to the end of the file). This should work all locally from the client's local filesystem, the HTML file and the MP3 files do not reside on a webserver. So, how to play the MP3 audio from a specific starting point? The solution I am looking for should be as simple as possible, while working on most browsers, including IE, Firefox and Safari. Note: I know the <embed> tag as described here, but this seems not to work with my target browsers. Also I have read about jPlayer and other Java-Script-based players, but since I have never coded some JavaScript, I would prefer a HTML-only solution, if possible.

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Nested parsers in happy / infinite loop?

- by McManiaC

I'm trying to write a parser for a simple markup language with happy. Currently, I'm having some issues with infinit loops and nested elements. My markup language basicly consists of two elements, one for "normal" text and one for bold/emphasized text. data Markup = MarkupText String | MarkupEmph [Markup] For example, a text like Foo *bar* should get parsed as [MarkupText "Foo ", MarkupEmph [MarkupText "bar"]]. Lexing of that example works fine, but the parsing it results in an infinite loop - and I can't see why. This is my current approach: -- The main parser: Parsing a list of "Markup" Markups :: { [Markup] } : Markups Markup { $1 ++ [$2] } | Markup { [$1] } -- One single markup element Markup :: { Markup } : '*' Markups1 '*' { MarkupEmph $2 } | Markup1 { $1 } -- The nested list inside *..* Markups1 :: { [Markup] } : Markups1 Markup1 { $1 ++ [$2] } | Markup1 { [$1] } -- Markup which is always available: Markup1 :: { Markup } : String { MarkupText $1 } What's wrong with that approach? How could the be resolved? Update: Sorry. Lexing wasn't working as expected. The infinit loop was inside the lexer. Sorry. :) Update 2: On request, I'm using this as lexer: lexer :: String -> [Token] lexer [] = [] lexer str@(c:cs) | c == '*' = TokenSymbol "*" : lexer cs -- ...more rules... | otherwise = TokenString val : lexer rest where (val, rest) = span isValidChar str isValidChar = (/= '*') The infinit recursion occured because I had lexer str instead of lexer cs in that first rule for '*'. Didn't see it because my actual code was a bit more complex. :)

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How can I enable child inputs text selection in Mozilla Firefox using CSS?

- by L. Shaydariv

Hi. Let consider the following scenario. I have the following page where all rendered elements must be non-selectable. <html> <head> <style type="text/css"> body { -webkit-user-select: none; -moz-user-select: none; } div { border: solid 1px green; padding: 5px; } </style> </head> <body> <div> Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat </div> <div> <input type="text" value="You can select the text from me" /> <textarea> And me too. </textarea> </div> </body> </html> The input and textarea text is still selectable in Google Chrome, but the text is not selectable in Firefox. I've already tried the following: input, textarea { -moz-user-select: text !important; } And... It simply doesn't work because (as far as I can see) input and textarea are nested in the document body element that's already is not selectable. So, is it possible to enable text selection of the nested user input elements in Firefox using CSS? Thank you for suggestions.

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Java: Altering UI fonts (Nimbus) doesn't work!

- by ivan_ivanovich_ivanoff

Hello! I'm referring to this Nimbus reference. I tried to set global Font to be slightly larger: UIManager.put("defaultFont", new Font(Font.SANS_SERIF, 0, 16)); ...works only for the menu but nothing else (buttons, labels). I tried to change labels and buttons fonts with UIManager.put("Button.font", new Font(Font.SANS_SERIF, 0, 16)); UIManager.put("Label.font", new Font(Font.SANS_SERIF, 0, 16)); but the font remains. The only thing that worked for me was deriving a font: someButton.setFont(someButton.getFont().deriveFont(16f)); But this is not an option, since this must be done for each element manually. Note, that deriving a font for UIManager doesn't work either: UIManager.put("Label.font", UIManager.getFont("Label.font").deriveFont(16f)); I tested everything under Linux and Windows: same behavior. I just can't understand how an API can be so messy. If a method is called setFont(..) then I expect it to set the font. If this method fails to set the font in any thinkable circumstances, then it should be deprecated. EDIT: The problem not only applies to Nimbus, but also to the default LAF.

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Is it possible to store pointers in shared memory without using offsets?

- by Joseph Garvin

When using shared memory, each process may mmap the shared region into a different area of their address space. This means that when storing pointers within the shared region, you need to store them as offsets of the start of the shared region. Unfortunately, this complicates use of atomic instructions (e.g. if you're trying to write a lock free algorithm). For example, say you have a bunch of reference counted nodes in shared memory, created by a single writer. The writer periodically atomically updates a pointer 'p' to point to a valid node with positive reference count. Readers want to atomically write to 'p' because it points to the beginning of a node (a struct) whose first element is a reference count. Since p always points to a valid node, incrementing the ref count is safe, and makes it safe to dereference 'p' and access other members. However, this all only works when everything is in the same address space. If the nodes and the 'p' pointer are stored in shared memory, then clients suffer a race condition: x = read p y = x + offset Increment refcount at y During step 2, p may change and x may no longer point to a valid node. The only workaround I can think of is somehow forcing all processes to agree on where to map the shared memory, so that real pointers rather than offsets can be stored in the mmap'd region. Is there any way to do that? I see MAP_FIXED in the mmap documentation, but I don't know how I could pick an address that would be safe.

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How to nest joins with CakePHP?

- by Daren Thomas

I'm trying to behave. So, instead of using following SQL syntax: select * from tableA INNER JOIN tableB on tableA.id = tableB.tableA_id LEFT OUTER JOIN ( tableC INNER JOIN tableD on tableC.tableD_id = tableD.id) on tableC.tableA_id = tableA.id I'd like to use the CakePHP model->find(). This will let me use the Paginator too, since that will not work with custom SQL queries as far as I understand (unless you hardcode one single pagination query to the model which seems a little inflexible to me). What I've tried so far: /* inside tableA_controller.php, inside an action, e.g. "view" */ $this->paginate['recursive'] = -1; # suppress model associations for now $this->paginate['joins'] = array( array( 'table' => 'tableB', 'alias' => 'TableB', 'type' => 'inner', 'conditions' => 'TableB.tableA_id = TableA.id', ), array( 'table' => 'tableC', 'alias' => 'TableC', 'type' => 'left', 'conditions' => 'TableC.tableA_id = TableA.id', 'joins' = array( # this would be the obvious way to do it, but doesn't work array( 'table' => 'tableD', 'alias' => 'TableD', 'type' => 'inner', 'conditions' => 'TableC.tableD_id = TableD.id' ) ) ) ) That is, nesting the joins into the structure. But that doesn't work (CakePHP just ignores the nested 'joins' element which was kind of what I expected, but sad. I have seen hints in comments on how to do subqueries (in the where clause) using a statement builder. Can a similar trick be used here?

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Why does the following Toggle function perform four different operations instead of two?

- by marcamillion

You can see the implementation here: http://jsfiddle.net/BMWZd/8/ What I am trying to do, when you click on 'John Brown', you see the first element at top turn black. When you click it again, the border of the dotted circle disappears, then when you click 'John Brown' again, you see something else, then finally once again it all disappears. What I am trying to achieve is when you click it once, everything turns black (like it does now), then you click it again, everything disappears and goes back to the original state. Important distinction, what I mean is...when one of the names in the box are not clicked. So if you clicked John Brown then moved to Jack Dorsey, the #1 at top should stay black. But if you were to click Jack Dorsey again, i.e. you 'unclicked' it, then it should disappear. Also, how do I tighten it up, so that it responds quicker. Now when you click it, it feels like there is a little bit of a lag between when it was clicked and when it responds. Edit1: If anyone is interested...the UI that this will be used in is for my webapp - http://www.compversions.com

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php - sort and delete duplicates?

- by c41122ino

I've got an array that looks like this: Array ( [0] => Array ( num => 09989, dis => 20 ) [1] => Array ( num => 09989, dis => 10 ) [2] => Array ( num => 56676, dis => 15 ) [3] => Array ( num => 44533, dis => 20 ) [4] => Array ( num => 44533, dis => 50 ) ) First, I'm trying to sort them by num, and can't seem to get the usort example from php.net working here. It simply doesn't appear to be sorting... I'm also trying to delete the array element if it's a duplicate and whose dis value is higher than the other one. So, based on the example above, I'm trying to create: Array ( [0] => Array ( num => 09989, dis => 10 ) [1] => Array ( num => 44533, dis => 20 ) [2] => Array ( num => 56676, dis => 15 ) ) This is the code from php.net: function cmp($a, $b) { if ($a == $b) { return 0; } return ($a < $b) ? -1 : 1; }

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Forward slash problem in xsl and xsql

- by Peter Kaleta

Hi I have simple xsql <?xml version="1.0" encoding="utf-8"?> <?xml-stylesheet type="text/xsl" href="zad1.xsl" ?> <page xmlns:xsql="urn:oracle-xsql" connection="java:comp/env/jdbc/mondialDS"> <xsql:query max-rows="-1" null-indicator="no" tag-case="lower" rowset-element="continents"> select name as continent from mondial_user.Continent order by 1 </xsql:query> </page> which gives me a list of continents with "australia/oceania" among them i use XSL on above xsql : <?xml version="1.0" encoding="UTF-8" ?> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">  <res> <xsl:template match="/continents"> <xsl:for-each select="row"> <re> <xsl:value-of select="continent"/> </re> </xsl:for-each> </xsl:template> </res> </xsl:stylesheet> Firefox throws an error on "wrong formated xml document" with: AfricaAmericaAsiaAustralia/OceaniaEurope -----------------------------------^ Help appreciated.

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