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• Problems with overlapping ChildWindows in Silverlight

  - by Humanier

  Hello, I have a Silverlight application. At some point the app shows a ChildWindow with two datagrids and three buttons on it. One of the buttons is 'Reset To Defaults'. After it's pressed, the app shows another ChildWindow on top of the current one in order to ask confirmation. After the second ChildWindow is closed the first one starts to act funny. It's still changing highlighting of the elements on mouse events (mouseover on a grid element, click on a button). But clicking on the buttons doesn't fire my custom event handlers anymore. The only thing which is working on the ChildWindow is a small cross button created by the framework itself in the upper-right corner of the ChildWindow. I'd be grateful for any ideas on the cause of the problem or how to resolve it. Thanks.

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• A balanced binary search tree which is also a heap

  - by saeedn

  I'm looking for a data structure where each element in it has two keys. With one of them the structure is a BST and looking at the other one, data structure is a heap. With a little search, I found a structure called Treap. It uses the heap property with a random distribution on heap keys to make the BST balanced! What I want is a Balanced BST, which can be also a heap. The BST in Treap could be unbalanced if I insert elements with heap Key in the order of my choice. Is there such a data structure?

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• IE6 list issue - First list on page ignores horizontal margins

  - by user307922

  Hi Folks, I am creating a store in Magento and have a weird issue with IE6 and the ordered lists on my page. For some reason, IE6 ignores the horizontal margin on my first list. Not the first element in the list but the whole list. I have multiple list on the page. Here is a link to the offending page: http://byerofma.nexcess.net/products/pangean-furniture.html I have tried everything I can think of. Any ideas? Cheers, Chuck

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• ...may not be used in this context...while serialization

  - by phenevo

  Hi, I've webservice and WebMethod [webMethod] public object GetObjects(Cars[] cars) { return Translator.ToObjects(Facade.GetObjects(cars); } public static object GetObjects(Cars cars) { List<Car> cars =new List<Country(...fillingcollection) return cars.ToArray(), } public static object ToObjects(object collection) { if(collection is Car[]) { return ConvertModelCarsToContractCars(collection), } public ModelCar[] ConvertModelCarsToContractCars(Cars[] collection) { ...there is rewriting pool... } And I get exception at side of client: There was an error generating the XML document. I'm using this function to check collection which I would send to the client and it works, doesn't return exceptions: public static void SerializeContainer(object obj) { try { // Make sure even the construsctor runs inside a // try-catch block XmlSerializer ser = new XmlSerializer(typeof(object)); TextWriter w = new StreamWriter(@"c:\list.xml"); ser.Serialize(w, obj); w.Close(); } catch (Exception ex) { DumpException(ex); } } Interesting is when collection has only One element [webmethod] works fine, but when is more it brokes

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• Grab triangles within a lower triangle

  - by Tyler Rinker

  I have the need to grab all the thee element triangles that make up the lower triangle of a symmetric matrix. I can not think of how to grab all these pieces in the order of far left column working down and then next column to the right and so on. I know that the numbe rof mini triangles inside of the lower triangle is: n = x(x - 1)/2 where: x = nrow(mats[[i]]) Here I've created three matrices with letters (it's easier for me to conceptualize this way) and the elements in the order I'm looking for: FUN <- function(n) { matrix(LETTERS[1:(n*n)], n) } mats <- lapply(3:5, FUN) So this is the output I'd like to get (I put it in code rather than output format) for each of the matrices created above: list(c("B", "C", "F")) list(c("B", "C", "G"), c("C", "D", "H"), c("G", "H", "L")) list(c("B", "C", "H"), c("C", "D", "I"), c("D", "E", "J"), c("H", "I", "N"), c("I", "J", "O"), c("N", "O", "T")) How can I do this task in the fastest manner possible while staying in base R? Not sure if this visual of what I'm after is helpful but it may be:

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• Problem with adjacent function in prototype

  - by xain

  Hi, I have this code: <input name="rz" class="required validate-string" style="margin-left:17px" id="rz" title="Input rz value" size="23" /> <p class="msg" style="display:none;">Input rz value</p> In the head I have: Event.observe(window, 'load', function() { $$("input").each(function(field){ Event.observe(field, "focus", function(input) { input.adjacent('p.msg').show(); }); Event.observe(field, "blur", function(input) { input.adjacent('p.msg').hide(); }); }); }); The idea is that when the input get the focus, the p element appears and on blur it goes away. The problem is that neither is working, and the error console shows "input.adjacent is not a function" I'm using prototype 1.6.1 and scriptaculous 1.8.3

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• Javascript Prototype Best Practice Event Handlers

  - by nahum

  Hi this question is more a consulting of best practice, Sometimes when I'm building a complete ajax application I usually add elements dynamically for example. When you'r adding a list of items, I do something like: var template = new Template("<li id='list#{id}'>#{value}</li>"); var arrayTemplate = []; arrayOfItem.each(function(item, index){ arrayTemplate.push(template.evaluate( id : index, value : item)) }); after this two options add the list via "update" or "insert" ----- $("elementToUpdate").update("<ul>" + arrayTemplate.join("") + "</ul">); the question is how can I add the event handler without repeat the process of read the array, this is because if you try add a Event before the update or insert you will get an Error because the element isn't still on the DOM. so what I'm doing by now is after insert or update: arrayOfItem.each(function(item, index){ $("list" + index).observe("click", function(){ alert("I see the world"); }) }); so the question is exist a better way to doing this??????

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• Mozilla Firefox border rendering

  - by zA

  Hi, I've come across a strange thing in Firefox, which has become a problem to me. It seems that Firefox renders borders thinner than other browsers. For example I have just a simple empty div element, and nothing else on the webpage, with a border set to width:3px. In all other browsers, such as IE, Opera, Chrome and Safari, the width looks the same and is in fact 3px wide. But in Firefox I noticed that the border width seemed thinner. So I checked the border width with Firebug, under the Computed tab - Box model. And yes as I suspected, the rendered border in Firefox is thinner. The border width that Firefox rendered is actually 2.2px and not the expected 3px. This small difference with Firefox completely messes up my design. Has anyone else noticed this? Does anyone have a solution for this? Thanks in advance!

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• PHP Xml add edit delete

  - by user560411

  Hi there. I am kind of new and I have the following XML structure an I would like to have codes that INSERTS DELETES Delete an entire element based on it's TITLE value. EDIT Replace Publisher's value with another value <Game type="XXX"> <TITLE>XXX</TITLE> <PUBLISHER>XXX</PUBLISHER> </Game> This is my XML structure <Game type="adventure"> <TITLE>Assassin's Creed: Brotherhood</TITLE> <PUBLISHER>Ubisoft</PUBLISHER> </Game> <Game type="adventure"> <TITLE>Batman: Arkham Asylum</TITLE> <PUBLISHER>Eidos</PUBLISHER> </Game> </GameStore> Any help would be great and thank you in avdance!

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• iPhone UITableView populating variable rows sections from flat array

  - by Biko

  I thought that would be very common and easy iPhone App. In the main app I connect to database, retrieve values from database (NSDate converted to NSString)n and put into single array. The in one of the views I populate UITableView with elements from the array. UITableView is grouped (sections). I step through array to discover number of sections (change section if new day). How do I retrieve correct element of array in cellForRowAtIndexPath? IndexPath.section and IndexPath.row seem useless as row starts count from zero for each section. If number of rows in each section was the same it would have been easy: [arryData objectAtIndex:(indexPath.row)+indexPath.section*[tblMatchesView numberOfRowsInSection:indexPath.section]]; But number of rows in each section varies... :-)

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• Counting Sublist Elements in Prolog

  - by idea_

  How can I count nested list elements in prolog? I have the following predicates defined, which will count a nested list as one element: length([ ], 0). length([H|T],N) :- length(T,M), N is M+1. Usage: ?- length([a,b,c],Out). Out = 3 This works, but I would like to count nested elements as well i.e. length([a,b,[c,d,e],f],Output). ?- length([a,b,[c,d,e],f],Output). Output = 6

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• Float over two elements

  - by eWolf

  My problem is rather complex to explain, so I'll show you an example: http://ewolf.bplaced.de/misc/float.htm I want to have a floated element (the blue box) to be be placed over two other elements (red and green) and I want the whole thing to be fixed-width and centered (done by the box with the black border) while the background of the red and green box should fill the whole width. I'm actually not quite sure if the way I've done it now is XHTML/CSS valid, but it works - at least in Firefox. In IE6, the green box expands to fit the whole blue box - how can I fix this in IE6 or find another solution to show it correctly in all browsers?

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• Fast dot product for a very special case

  - by psihodelia

  Given a vector X of size L, where every scalar element of X is from a binary set {0,1}, it is to find a dot product z=dot(X,Y) if vector Y of size L consists of the integer-valued elements. I suggest, there must exist a very fast way to do it. Let's say we have L=4; X[L]={1, 0, 0, 1}; Y[L]={-4, 2, 1, 0} and we have to find z=X[0]*Y[0] + X[1]*Y[1] + X[2]*Y[2] + X[3]*Y[3] (which in this case will give us -4). It is obvious that X can be represented using binary digits, e.g. an integer type int32 for L=32. Then, all what we have to do is to find a dot product of this integer with an array of 32 integers. Do you have any idea or suggestions how to do it very fast?

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• c# reading integer fields from database

  - by arnoldino

  what is wrong with this code? try { if (cmd == null) getConnection(); cmd.CommandText = "Select id from HMonthInventary where machine_id=37"; SQLiteDataReader reader = cmd.ExecuteReader(); if (reader.HasRows==true) { reader.Read(); string s = reader[0].ToString(); // return first element reader.Close(); return s; } reader.Close(); return null; } catch (Exception e) { MessageBox.Show("Caught exception: " + e.Message+"|"+cmd.CommandText); return null; } I checked the sql statement, it turns the right value. why can't I read it? the returnvalue is "".

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• drupal: so many js and css files ?

  - by Patrick

  hi, I've realized I'm loading a lot of resources (24 css and 17 js files) using Drupal. I've several modules installed and they all come with a css and js file. For my website I'm only using 1 additional js plugin (all the other 16 come with Drupal modules). I've not installed useless modules. They are all necessary, and they require js such as swfobject, ajax_views, jquery.media, spamspan, lightbox (modal, video and default js files), etc Same thing with css files: ckeditor, filefield, lightbox, tagadelic, uploadfield, fieldgroup, vews, taxonomy_super_select, html-element, tabs, messages... etc For my website, I only use my theme css zen.css of course. So.. is this normal ? Or I should remove all this stuff? Are drupal websites normally heavy ? thanks

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• Complex jquery selction that also involves custom xml tags

  - by thecoshman

  I want to write a select something like... #window_4 > content > p:eq(0) I think I have this correct, but I have a few selectors that are all similar but I can't test them all at once. Am I right in saying this is selecting an element, who is the fist p tag child of a content tag that is a child of a tag with id 'window_4' If I have gotten this wrong, can you give me some pointers. Would love to be able to simplify this code, I have more code selecting the tag I am after then actually doing stuff with them.

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• dynamically added radio buttons onclick event not working ?

  - by Anil Namde

  I am trying following, 1. Get response using Ajax from the users selection which returns me the list of the radio buttons attributes as 2. Once i get the attribute list i am creating the radio buttons using createElement() 3. Then i am attaching the event to the radio button for onclick buttons. 4. Then i add element to the DOM using appedChild The below is code for adding radio button (for IE) var radio = '<input '; radio += 'type ="radio" '; radio += 'id="' + id + '" '; radio += 'value="" '; radio += '/>'; radioButton = document.createElement(radio); radioButton.onClick = function(){alert('this is test')} ele.appendChild(radioButton); ele.innerHTML += 'none' + '<br/>'; Now in all this when i am adding the radio button to the DOM onclick is not working and i don't understand why ? Thanks all

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• How to get user input for 2 digit data

  - by oneMinute

  In a HTML form user is expect to fill / select some data and trigger an action probably a http-post. If your only requested data field is a "2 digit" you can use html text input element get some data. Then you want to make it useful; enable user easily select data from a 'html select' But not all of your data is well-ordered so eye-searching within these data is somehow cumbersome. Because your data is meaningful with its relations. If there is no primary key for foreign key "12" it should not be shown. Vice versa if this foreign key occurs a lot, then it has some weight and could be displayed with more importance. So, what will be your way? a) Use text input to get data and validate it with regex, javascript, ... b) Use some dropdown select. c) Any other way ? Any answer will appreciated :)

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• Actionscript 3 svg XML parsing bug?

  - by Mahir

  Hey I get two different results when using the for each loop below. As far as I can tell there's no difference aside from attributes in the two XML literals. for each (var pathXML:XML in svg.path) { // do stuff... trace(pathXML.@stroke) } // This one works, the loop iterates once over the single path element... var svg:XML = <svg> <path stroke="#00FF00" /> </svg> // This one doesn't, the loop just exits. var svg:XML = <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="612px" height="792px" viewBox="0 0 612 792" enable-background="new 0 0 612 792" xml:space="preserve"> <path fill="#FFFFFF" stroke="#000000" d="M160.333,372.444c0,0,17.778-115.555,60-63.333s27.778-106.666,78.889,40" /> </svg>

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• IWAB0399E Error in generating Java from WSDL: java.io.IOException: ERROR: Missing <soap:fault> elem

  - by DanO

  I have a WCF 4.0 service for internal use. Another team is trying to consume it in Java. IWAB0399E Error in generating Java from WSDL: java.io.IOException: ERROR: Missing <soap:fault> element inFault "PasswordReuseFaultFault" ... One source suggests it may be a Soap 1.1 vs. Soap 1.2 issue Indeed my WCF generated WSDL <wsdl:fault name="PasswordReuseFaultFault"> <wsp:PolicyReference URI="#blah_blah_blah_PasswordReuseFaultFault_Fault"/> <soap12:fault name="PasswordReuseFaultFault" use="literal"/> </wsdl:fault> notice the <soap12:fault>instead of the expected <soap:fault> I'm pretty sure that is the cause of the problem. How do I get WCF to generate soap 1.1 WSDL ? or What should I tell the Java team to do so their tools can understand the newer protocol?

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• Why is the Twitter Bootstrap "fixed" layout NOT fixed?

  - by leonel

  The Twitter Bootstrap site reads as follows: The default and simple 940px-wide, centered layout for just about any website or page provided by a single <div class="container">. Quote from http://twitter.github.com/bootstrap/scaffolding.html#layouts That's exactly what I have in my HTML but when I inspect the element, I see this CSS apply to it: .container, .navbar-fixed-top .container, .navbar-fixed-bottom .container { width: 1170px; } By the way, if I override that CSS rule by adding... div.container{ width:940px; } Then the elements inside the div.container are wider than the div.container itself and look out of place. So, why is the Twitter Bootstrap "fixed" layout NOT fixed? and how can I make it fixed?

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• SecurityError: Error #2152: Full screen mode is not allowed.

  - by meghana

  I have one flash player , which have full-screen functionality . which is not working in FF and MAC Chrome . and throws an error as below. SecurityError: Error #2152: Full screen mode is not allowed. at flash.display::Stage/set displayState() at com.IQMediaCorp.core::IQMediaCorpPlayer/ToggleFullScreen() I have googled about the issue and already verified some points below my player have allowfullscreen = true in html object / encode element. the methid ToggleFullScreen is an mouse click event below is code for ToggleFullScreen method public function ToggleFullScreen(e:MouseEvent) { if (stage.displayState == StageDisplayState.FULL_SCREEN_INTERACTIVE) { bKnob.alpha=0; bigScreen=true; stage.displayState=StageDisplayState.NORMAL; } else { bigScreen=false; stage.displayState=StageDisplayState.FULL_SCREEN_INTERACTIVE; bKnob.alpha=0; } } i don't get the reason why it is not working. can anybody help?? Thanks

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• Jquery, checkboxes and isChecked

  - by Ben

  When I bind a function to a checkbox element like: $("#myCheckbox").click( function() { alert($(this).is(":checked")); }); The checkbox changes it checked attribute before the event is triggered, it's it normal behavior, thus giving and inverse result. However, when I do: $("#myCheckbox").click(); The checkbox changes it checked attribute after the event is triggered. My question is, is there a way to trigger the click event from jquery like a normal click would do (first scenario)? PS: I've already tried with trigger('click');

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• generate an array from an array with conditions

  - by Aman

  Suppose i have an array $x = (31,12,13,25,18,10); I want to reduce this array in such a way that the value of each array element is 32. so after work my array will become $newx = (32,32,32,13); I have to generate this array in such a way the sum of array values is never greater than 32. so to create first value, i will reduce 1 from second index value i.e. 12, so the second value will become 11 and first index value will become 31+1 =32. This process should continue so that each array value becomes equal to 32.

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• A question on vectors, pointers and iterators

  - by xbonez

  Guys, I have a midterm examination tomorrow, and I was looking over the sample paper, and I'm not sure about this question. Any help would be appreciated. Let v be a vector<Thingie*>, so that each element v[i] contains a pointer to a Thingie. If p is a vector<Thingie*>::iterator, answer the following questions: what type is p? what type is *p? what code provides the address of the actual Thingie? what code provides the actual Thingie?

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