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• Which JavaScript MVC framework to use for wysiwyg editing and floating context-sensitive settings pa

  - by ernests

  I'm developing a cms that allows editing everything on the page (generated server-side with a template engine) by just clicking on it — the area turns into input field, textarea or a full-featured tinyMCE editor, Template defines editable elements like "page heading", "copyright footer text", "image", "rich text block" etc. Along with that there's always a flotaing panel with several tabs, some of which contain general settings like page bacground color, font settings etc, but some are context sensitive (e.g., the clicking on "image" editable field triggers to display uploading/cropping/captioning interface in the floating panel). All settings in the panel are either simple inputs or sliders or checkboxes. I'm new to using MVC with javascript, and in fact haven't used it much before. jQuery is used as code library for the project. Should i use JavascriptMVC, SproutCore or anything else? Does any of them allow some kind of sandboxing (within bounds of commmon sense) to allow some javascript code by user-generated skins on my cms? thank you!

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• How does jQuery stores data with .data()?

  - by TK

  I am a little confused how jQuery stores data with .data() functions. Is this something called expando? Or is this using HTML5 Web Storage although I think this is very unlikely? The documentation says: The .data() method allows us to attach data of any type to DOM elements in a way that is safe from circular references and therefore from memory leaks. As I read about expando, it seems to have a rick of memory leak. Unfortunately my skills are not enough to read and understand jQuery code itself, but I want to know how jQuery stores such data by using data(). http://api.jquery.com/data/

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• JAXB - representing element as boolean?

  - by Marcus

  We have this XML: <Summary> <ValueA>xxx</ValueA> <ValueB/> </Summary> <ValueB/> will never have any attributes or inner elements. It's a boolean type element - it exists (true) or it doesn't (false). JAXB generated a Summary class with a String valueA member, which is good. But for ValueB, JAXB generated a ValueB inner class and a corresponding member: @XmlElement(name = "ValueB") protected Summary.ValueB valueB; But what I'd like is a boolean member and no inner class: @XmlElement(name = "ValueB") protected boolean valueB; How can you do this? I'm not looking to regenerate the classes, I'd like to just make the code change manually.

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• Jquery tabs and forms

  - by Lee

  Hi, this may be a weird problem but I’m not sure the best way to go about it.. I am using JQuery ajax tabs. The tab section is dynamic so multiple tabs can be added, as the content is loaded via Ajax the same content can be loaded into different tabs. The other important detail is that i am using the Cache option so the tabs maintain state. Now problems arise when more than one tab has been loaded. It looks like HTML items such as forms and divs now have duplicated id's within the DOM, so Ajax queries can no longer distinguish between the elements.. The result is that any JavaScript/Ajax breaks. Does anyone have any suggestions for way to tackle such a problem? Thanks in advance..

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• [Web] Eventlistener for form input on iphone?

  - by ketenshi

  I'm playing around with jQTouch to create a web app on the iPhone. I'm using the scrolling extension to create the effect of a fixed toolbar on the top of the page while still able to scroll the rest of the page via a scrollable div. Everything works fine except for when a user pulls up the keyboard in order to fill in form elements in the scrollable div. The whole body is pushed to top and the ugly url bar is shown. Is there a way to prevent this?

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• Design Time Attribute For CSS Class in ASP.net Custom Server Control

  - by Jon P

  Hopefully some Custom Control Designers/Builders can help I'm attempting to build my first custom control that is essential a client detail collection form. There are to be a series of elements to this form that require various styles applied to them. Ideally I'd like the VS 2005/2008 properties interface to be able to apply the CSSClass as it does at the control level, i.e. with a dropdown list of available CSS Clases. Take for example the Class to be applied to the legend tag /// <summary>Css Class for Legend</summary> [Category("Appearance")] [Browsable(true)] [DefaultValue("")] //I am at a loss as to what goes in [Editor] [Editor(System.Web.UI.CssStyleCollection), typeof(System.Drawing.Design.UITypeEditor))] public string LegendCSSClass { get { return _LegendCSSClass; } set { _LegendCSSClass = value; } } I have tried a couple of options, as you can see from above, without much luck. Hopefully there is something simple I am missing. I'd also be happy for references pertaining to the [Editor] attribute

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• fb:request-form in iframe redirects away from facebook

  - by IkimashoZ

  I have an <fb:requestform> in an iFrame Facebook app. I have set target="_parent", so that the callback will target the parent iFrame and not itself, which seems to work as expected. But, instead of my desired file loading, I get redirected to my server. Checking the response of the requestform's POST in Firebug revealed this: <script type="text/javascript"> top.location.href = "http://www.facebook.com/login.php?api_key=***&v=1.0&req_perms=&next=http%3A%2F%2F***"; </script> I have already had this same problem when sending jQuery AJAX requests to update various elements in an iFrame. I solved the problem by making sure my headers contain P3P: CP="CAO PSA OUR". That is indeed set for this call as well (can be seen clearly in Firebug), but I still get redirected to facebook.com/login.php.

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• How to maintain the HTML semantics when HTML is used for drawing diagrams (like organizational chart

  - by Vijay

  I have created an organizational chart using ASP.NET on web page. The web page is using strict DOCTYPE and following W3C standards. The chart has a hierarchical layout decided by the manager field in the table that contains employees in the organization. The chart layout has nodes with employee image and other details like job title, department and contact details. Nodes are beautifully arranged and connected by lines (only horizontal or vertical or both). A lot of DIV elements are used (to avoid table) for connecting lines and arranging the chart properly. As suggested by my friend, using DIVs for connecting lines in the chart is semantically wrong. Is there a way by which I can make it semantically correct? Or, am I using HTML for the wrong purpose?

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• iBatis mapping: map a string field into a List<String>

  - by Roberto

  Hi all, is it possible to map a string field with a particular format like: aaa,bbb,ccc,ddd into a List having elements [aaa, bbb, ccc, ddd] using iBatis? What I need is to have in my model something like: public class Request{ private List<String> fieldOne; public List<String> getFieldOne(){....} public void setFieldOne(){....} } even if in my table the field is a simple string. Is this possible? Thanks Roberto

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• rounded textbox css

  - by user225269

  I found this code from here: http://www.cssportal.com/form-elements/text-box.htm But the problem is you can still see the rectangular shape of the textbox whenever you click inside it. What would be the fix for this? So that the highlight will go with the image with rounded corners /* Rounded Corner */ .tb5 { background: url(images/rounded.gif) no-repeat top left; height: 22px; width: 230px; } .tb5a { border: 0; width:220px; margin-top:3px; }

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• Lucene search taking TOOO long.

  - by Josh Handel

  I;m using Lucene.net (2.9.2.2) on a (currently) 70Gig index.. I can do a fairly complicated search and get all the document IDs back in 1 ~ 2 seconds.. But to actually load up all the hits (about 700 thousand in my test queries) takes 5+ minutes. We aren't using lucene for UI, this is a datastore between processes where we have hundreds of millions of pre-cached data elements, and the part I am working on exports a few specific fields from each found document. (ergo, pagination doesn't make since as this is an export between processes). My question is what is the best way to get all of the documents in a search result? currently I am using a custom collector that does a get on the document (with a MapFieldSelector) as its collecting.. I've also tried iterating through the list after the collector has finished.. but that was even worse. I'm open to ideas :-). Thanks in advance.

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• Javascript: variable in outer function not changed by inner function

  - by Weng-Lock Mok

  I am having a small issue with what I believe is probably my misunderstanding of Javascript closures. I have this piece of code -- getStdOpts: function(tbl, filt) { var vals = new Array(); this.srvs.getStdOptions( { tbl: tbl }, { 'ok': function(rsp) { for (var i in rsp) { vals.push({ value: rsp[i].id, text: rsp[i].descr }); } } } ); return vals; } In essence, although the inner function inside the getStdOptions call ('ok': function...) pushes new values into the vals array, when accessed from outside the call, the vals array is empty. When accessed from within the inner function, vals contains all the elements as expected. Would really appreciate any help I can get on this matter.

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• django internationlisation

  - by ha22109

  Hello I need to have multiple language support of my django admin application.I can create the messege files.But how can i change the text of my models.The heading ,fields etc .I m only able to change the static elements which are there in my template. here is example of my class class Mymodel(model.Models): id=models.IntegerField(primary_key=true) name=models.CharField(max_length=200) group=models.CharField(max_length=200) class Meta: managed=False verbose_name_plural='My admin' db_table='my_admin' one more question.In my home page it is showing my verbose name 'My admin' which i mentioned.But when i go to list page it shows me the class name 'mymodel'.Why so.Can i changed that to

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• Java - Collections.binarySearch with PriorityQueue?

  - by msr

  Hello, Can I use Collections.binarySearch() method to search elements in a PriorityQueue? Otherwise, how can I apply search algorithms to a PriorityQueue? I have this (class Evento implements Comparable): public class PriorityQueueCAP extends PriorityQueue<Evento>{ // (...) public void removeEventos(Evento evento){ Collections.binarySearch(this, evento); // ERROR! } } And I got this error: "The method binarySearch(List, T) in the type Collections is not applicable for the arguments (PriorityQueueCAP, Evento)" Why? Thanks in advance!

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• Get children count via HQL

  - by Thomas Lötzer

  Hi, I have a one-to-many mapping between a parent entity and child entities. Now I need to find the number of children associated with each parent for a list of parents. I am trying to do this with HQL but I am not sure how I can get the list of parents in there. Also, I don't know how I can return the entity itself and not just its ID. My current HQL query is: select new map(parent.id as parentId, count(*) as childCount) from Parent parent left join parent.children children group by parent.id but this only returns the ID and does not filter on specific parents. EDIT Based on Pascal's answer I have modified the query to select new map(parent as parent, count(elements(parent.children)) as childCount) from Parent parent group by parent That does work, but is prohibitively slow: 30 seconds instead of 400 ms on the same database.

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• creating managed objects using code in xcode & core-data

  - by themadpeacock

  New to objective-c xcode and core-data so sorry for the remedial question. I have set up a very simple data model: Entity1 and Entity2, both contain a single attribute (String) and a one-to-many relationship with the other. I want to scan Entity1 and depending on the results of the scan create one or more Entity2 objects that link to Entity1. How can I do this? I don’t understand how I create Entity2 type objects in code and how I would define the relationship to the Entity1 object they are related to. I come from a SQL programming background where inserting elements into the Entity2 table with the ID of the related Entiry1 entry is easy. I can’t get my head around the xcode core-data abstraction and would appreciate any help.

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• Implementing a Stack using Test-Driven Development

  - by devoured elysium

  I am doing my first steps with TDD. The problem is (as probably with everyone starting with TDD), I never know very well what kind of unit tests to do when I start working in my projects. Let's assume I want to write a Stack class with the following methods(I choose it as it's an easy example): Stack<T> - Push(element : T) - Pop() : T - Seek() : T - Count : int - IsEmpty : boolean How would you approch this? I never understood if the idea is to test a few corner cases for each method of the Stack class or start by doing a few "use cases" with the class, like adding 10 elements and removing them. What is the idea? To make code that uses the Stack as close as possible to what I'll use in my real code? Or just make simple "add one element" unit tests where I test if IsEmpty and Count were changed by adding that element? How am I supposed to start with this?

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• Jquery datePicker

  - by Shane

  I have slight issue with the jquery datepicker in that it displays ABOVE the target box. This is due to the way my page is set up. I found the issue with CSS in my page via firebug, unfortunately it conflicts with about 20 elements. Next I tried hooking into the "beforeShow event" which works but then after the event fires it just recalculates and puts it where ever it wants. beforeShow: function() { $('#ui-datepicker-div').show(); var offset = $('#ui-datepicker-div').offset(); $('#ui-datepicker-div').css({ top: (offset.top + 222) + 'px' }) } Does anyone else have any ideas how how I can reposition this? I just need to move it down by about 200 odd pixels.

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• Using a Loader for a string of QML

  - by Robbert

  In Qt 5.3 I've been using the Loader QML element for loading screens. Now I'm trying to load a string of QML dynamically. Qt.createQmlObject enables me to do so, but I can't seem to get the Loader element to play along. Seems like Loader only takes a URL (QUrl) or component (QQmlComponent), but Qt.createQmlObject creates an object (QObject). I'm new to QML, but from my understanding components are reusable elements, similar to classes, and objects are the instances of those classes. I thus can't seem to wrap my head around why Loader wouldn't work with objects. How can I show a loading screen while (asynchronously) parsing and initializing a string of QML? Example QML code: Item { Rectangle {id: content} Loader {id: loader} Component.onCompleted: { var obj = Qt.createQmlObject('import QtQuick 2.3; Rectangle {}', content); loader.source = obj; // Throws error. } }

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• jQuery not replacing text in ReportViewer

  - by firedrawndagger

  I'm trying to replace text that I got back in the ReportViewer using jQuery. My div, wrapped in the table cell, display "empty" as text - which I plan on replacing with my own formatted text on the client side. I can use jQuery just fine to set a class on the div (which is inside a td element). Example: jQuery('div:contains("empty")').addClass('replacetext'); But for some reason I cannot do this: jQuery('div:contains("empty")').replaceWith('<div>Hello World</div>'); I tried this out on some other elements on the page and jQuery does work... but it seems like this issue is ReportViewer (I'm using 2008) specific.

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• Objective C Array and Object Release

  - by david

  Hi, I have a newbie question regarding when to release the elements of a NSArray. See following pseudo code: NSMutalbeArray *2DArray = [[NSMutableArray alloc] initWithCapacity:10]; for (int i=0;i<10;i++) { NSMutableArray *array = [[MSMutableArray alloc] initWithCapacity:5]; for (int j=0;j<5;j++) { MyObject *obj = [[MyObject alloc] init]; [array addObject:obj]; [obj release]; } [2DArray addObject:array]; [array release]; } // use 2DArray to do something [2DArray release] My question here is, when I release 2DArray, do I need to explicitly release each of its element (array) first? Also, before I release the "array" object, do I need to release each of its element (MyObject) first? I am new to Objective C. Please help. thanks.

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• Accessing the feed/entry/id field of an ATOM 1.0 feed with the ROME library

  - by PartlyCloudy

  Hi, I feel a bit stupid asking this question, but I don't know how I can access the ID field of an entry when using ROME to parse an Atom feed. ROME provides it's own meta level of feeds/items, i.e. SyndFeed and SyndEntry. Being an abstraction over RSS and ATOM they only contain elements both formats support. Thus, there is no method to get an ID of an entry. There also exist low level packages for the distinct formats, and the Atom package contains com.sun.syndication.feed.atom.Entry, which provides getId(). However, I don't know how can I convert my SyndEntry into an Entry. I have not found a way to convert it. The (outdated) tutorials show a conversion, but that's only for output though. So how can I easily access the ID field? Thanks in advance.

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• How can I get jQuery $('.class', context) to include context itself if it matches .class?

  - by Jake

  I want to be able to match against all elements in a given context including the context element itself. Here is the code I'm using currently, but it seems inefficient. Is there a better way? Note: I'm using jQ 1.3.2, but I'll upgrade soon so I'm interested in 1.4 solutions too. var context = $('#id'); var filters = '.class1, .class2'; // take context itself if it matches filters $(context).filter(filters) // add anything matching filters inside context .add($(filters, context)) Note: .add($(f,c)) works in jQ 1.3 as .add(f,c) in jQ 1.4

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• Passing complex objects to javascript via IScriptControl

  - by Jeff Dege

  I'm playing around with a asp.net page that's using the IScriptControl interface to pass data from the code-behind to the custom javascript object running on the browser. I'm passing a number of properties via IScriptControl.GetScriptDescriptors(), and they're all working fine, except for one. That one is a class derived from System.Collections.Generic.Dictionary<. And even that one has been working for me, so long as the elements in the collection were scalars - ints, doubles, and strings. But when I tried to pass a member of a class, it showed up as a null object in the javascript. The class in question is marked [Serializable]. I changed it to a struct, and got the same behavior. It looks as if the serializer used in IScriptControl does a shallow copy. I need a deep copy. Any ideas?

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• merge sort recursion tree height

  - by Tony

  Hello! I am learning about recursion tree's and trying to figure out how the height of the tree is log b of n where n = 2 and one has 10 elements as input size. I am working with Merge sort. The number of times the split is done is the height of the tree as far as I understood, and the number of levels in the tree is height + 1. But if you take (for merge sort) log2 of 10 you get 1, where if you draw the tree you get at least 2 times that the recursion occurs. Where have I gone wrong? (I hope I am making sense here) NOTE: I am doing a self study, this is not homework!

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