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• Differentiate A Section/Portion of 3D object From Other Parts

  - by Ramshad

  I am trying to write a WPF windows application that dynamically creates a 3 D object for an existing 3D Image. The senerio is as follows. Mark the points randomly on the existing 3D Image. Create a 3D object based on the points already marked. Check the below Sample Screenshots. Screenshot 1 and Screenshot 2 I am successfully able to load the 3D file to the WPF form. And was able to perform the rotation using TrackballDecorator 3D Tools library. I have just read this related post. however i didn't get it exactly :) So,can you suggest some efficient methods to achieve it.

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• Trying to dynamically expand different divs with one function

  - by Matt Nathanson

  I'm trying to be able to dynamically expand / collapse multiple divs with the same code.... it's controlled with the click of a span (toggle) and then i'm trying to get the next id(the div that would slide up and down) $('span').toggle( function() { $('#albumholder').slideToggle(600); $(this).html('-');}, function() { $('#albumholder').slideToggle(600); $(this).html('+');} ); This code works to expand 1 div... but assume i have a divs #downloadholder#linksholderetc... How can i achieve the same effect with the same code? Thanks!

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• Certain running applications cause middle-click in firefox to function differently under windows 7

  - by Charlie

  If I have photoshop, vlc player, or even just the windows task list open, when I middle click in firefox to get it to open in new tab (by depressing both buttons on my Lenovo g550 with alps touchpad), the mouse icon changes to some variety of scroll type feature, middle click doesn't work, and if I persist then the other programs take focus, and some crash. I assume the scroll like feature must be intended as added functionality in either windows 7 or the alps touchpad driver, but no settings adjustments seem to be able to remove this, and I could see nothing regarding this in firefox. I would really like to fix this! Thanks.

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• Is it possible get the functionality of namespaces inside a class?

  - by CowKingDeluxe

  I have the following code: Public Class Form1 Private Function Step1_Execute() As Boolean Return Step1_Verify() End Function Private Function Step1_Verify() As Boolean Return True End Function Private Function Step2_Execute() As Boolean Return Step2_Verify() End Function Private Function Step2_Verify() As Boolean Return True End Function End Class What I would like to do is be able to separate the code, similar to the following (which obviously doesn't work): Public Class Form1 Namespace Step1 Private Function Step1_Execute() As Boolean Return Step1_Verify() End Function Private Function Step1_Verify() As Boolean Return True End Function End Namespace Namespace Step2 Private Function Step2_Execute() As Boolean Return Step2_Verify() End Function Private Function Step2_Verify() As Boolean Return True End Function End Namespace End Class I would like the functionality of namespaces inside of a class, as in something that would let me call Step2.Execute() instead of having to put Step2_ in front of a whole bunch of functions. I don't want to have to create separate classes / modules for step1, step2, etc. Is there a way that I can accomplish namespace functionality from inside a class?

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• Fast way to pass a simple java object from one thread to another

  - by Adal

  I have a callback which receives an object. I make a copy of this object, and I must pass it on to another thread for further processing. It's very important for the callback to return as fast as possible. Ideally, the callback will write the copy to some sort of lock-free container. I only have the callback called from a single thread and one processing thread. I only need to pass a bunch of doubles to the other thread, and I know the maximum number of doubles (around 40). Any ideas? I'm not very familiar with Java, so I don't know the usual ways to pass stuff between threads.

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• Callback function in C

  - by Prakash Ranjan

  What is the importance of using a callback function?

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• Creating anonymous functions in loop with not the same arguments

  - by onio9

  Hello! I want to make in loop set of buttons, and add to them some events, but anonymous functions is the same. I write example code: for(var i:int=0;i<5;i++) { var button:SimpleButton = new SimpleButton(...); ... button.addEventListener(MouseEvent.CLICK, function(event:MouseEvent):void { trace(i); }); } ... And I want to trace 1,2,3.. from click buttons instead of 4,4,4,4 .. Do you know how can I make this ?

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• Neat way of gettings position of my Object in linq collections

  - by Steve

  I currently have a object called Week. A week is part of a Season object. the season can contain many weeks. What I want to do is find the position of my week (is it the first week in the season (so #1) or is it the second (so #2). int i = 0; foreach ( var w in Season.Weeks.OrderBy(w => w.WeekStarts)){ if(w.Id == Id){ return i; } i+=1; } At the moment this is what I have. I order the weeks in a second by there start date to make sure they are in the correct order. and I cycle through them until I find the week that matches the week I am currently looking at. and return the int that I have been counting up.. I feel there should be a easier linq way to do this as it feels pretty messy!

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• Calling C/C++ library function from PHP

  - by Anon. BlackBerry Developer

  We have a PHP web app running on a customer's machine. For an update, we have a bit of code in C that we'd like to include as a native opaque library along with the PHP web app. How does one go about calling a C/C++ lib. function from PHP? It cannot be assumed that the PHP app, called by the web server, has any sort of permission to call an exec(), eval(), or system() type of function to execute a C wrapper driver which in turn uses the C/C++ library, so it would need to be a direct C library use from within the PHP code.

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• C++ integer floor function

  - by Thomas

  I want to implement greatest integer function. int x = 5/3; My question is with greater numbers could there be a loss of precision as 5/3 would produce a double? EDIT: Greatest integer function is integer less than or equal to X. Example: 4.5 = 4 4 = 4 3.2 = 3 3 = 3 What I want to know is 5/3 going to produce a double? Because if so I will have loss of precision when converting to int. Hope this makes sense. RE-EDIT: What OP calls 'greatest integer' most of us call 'floor'.

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• How to copy an object by value, not by reference

  - by Blankman

  I want to make a copy of an object, then after some logic, re-assign the original object the value of the copy. example: User userCopy = //make a copy foreach(...) { user.Age = 1; user.ID = -1; UserDao.Update(user) user = userCopy; } I don't want a copy by reference, it has to be a copy by value. The above is just a sample, not how I really want to use it but I need to learn how to copy by value.

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• What replaces the deprecated any_to_string function ?

  - by Stringer Bell

  I guess it's now Object.ToString() but I'm unsure... Thanks!

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• Entity object to connect to 2 databases

  - by fARcRY

  Is it possible for an entity object to connect to 2 databases?

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• trying to get property of non object curl issue

  - by user550265

  I have a curl setup as follows to access a json object $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://sitename.com"); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookiefilename.txt'); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Host:sitename.com')); $output = curl_exec($ch); curl_close($ch); $output = json_decode($output); echo $output->property; I get the error 'trying to access property of non object'.

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• problem while converting object into datetime in c#

  - by Lalit

  Hi, I am getting string value in object let say "28/05/2010". While i am converting it in to DateTime it is throwing exception as : String was not recognized as a valid DateTime. The Code is: object obj = ((Excel.Range)worksheet.Cells[iRowindex, colIndex_q17]).Value2; Type type = obj.GetType(); string strDate3 = string.Empty; double dbl = 0.0; if (type == typeof(System.Double)) { dbl = Convert.ToDouble(((Excel.Range)worksheet.Cells[iRowindex, colIndex_q17]).Value2); strDate3 = DateTime.FromOADate(dbl).ToShortDateString(); } else { DateTime dt = new DateTime().Date; //////////dt = DateTime.Parse(Convert.ToString(obj)); **dt = Convert.ToDateTime(obj).Date;** strDate3 = dt.ToShortDateString(); } The double star "**" line gets exception.

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• MSMQ empty object on message body

  - by Owen

  Ok, so I'm very VERY new to MSMQ and I'm already confused. I have created a private queue and added a few messages to it, all good so far. BUT when I retrieve the messages back from the queue the message body contains a empty object of the type I added. By this I don't mean that the body is null, it does have a reference to a type of the object that I added, but it's not instantiated so all the properties are in their null or default state. This is the code I use to add to the queue: using (var mQueue = new MessageQueue(QueueName)) { var msg = new Message(observation) { Priority = MessagePriority.Normal, UseJournalQueue = true, AcknowledgeType = AcknowledgeTypes.FullReceive, }; mQueue.Send(msg); } And this is the code that dequeues the messages: using (var mQueue = new MessageQueue(QueueName)) { mQueue.MessageReadPropertyFilter.SetAll(); ((XmlMessageFormatter)mQueue.Formatter).TargetTypes = new[] { typeof(Observation) }; var msg = mQueue.Receive(new TimeSpan(0, 0, 5)); var observation = (Observation)msg.Body; return observation; }

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• document.forms.gallery_form.submit is not a function

  - by Keene Maverick

  I swear, I have this exact thing working on another page. I'm such a javascript noob it's embarrassing... function delete_gallery() { var gallery = document.getElementById('gallery_id').value; var form = document.getElementById('gallery_form'); form.setAttribute('action', 'index.php?action=delete&section=galleries&id='+gallery); document.forms['gallery_form'].submit(); } Inspecting the element shows that it's updating the action correctly : <form method="post" action="index.php?action=delete&amp;section=galleries&amp;id=12" name="gallery_form" id="gallery_form"><input type="hidden" value="12" id="gallery_id" name="gallery_id"><p>Name: <input type="text" name="name" value="Woo"></p><p>Description:<br><textarea name="description">Dee</textarea><input type="hidden" value="2" name="artist"></p><p><input type="submit" value="Submit" name="submit"> </p></form> Here's the button I use to call the function, it's in a table below the form: <button onclick="delete_gallery()" type="button">Delete Gallery</button>

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• Runtime error in sml function

  - by Rpant

  I am writing this function in sml fun removeNodeswithNoIncoming((x:int,y)::xs,element:int) = if x=element then removeNodeswithNoIncoming (xs , element) else (x,y) :: removeNodeswithNoIncoming (xs , element) | removeNodeswithNoIncoming(nil,element) = nil; the function takes list of tuples [(0,0),(0,1)(1,2)] and another element 0 if first element of the tuples is same as second parameter , it removes it from the list The o/p for the above list should be [(1,2)] Unfortunately , the code is not working for the above input. Though there are other inputs for which it works - removeNodeswithNoIncomingEdge([(0,1),(0,2),(1,2)],0); stdIn:30.1-30.30 Error: unbound variable or constructor: removeNodeswithNoIncomi ngEdge - removeNodeswithNoIncomingEdge([(0,1),(0,2),(1,2),(1,4)],0); stdIn:1.2-1.31 Error: unbound variable or constructor: removeNodeswithNoIncoming Edge

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• How to define a function which repeats itself when passed an argument

  - by ~unutbu

  Is there an easy way to define a function which repeats itself when passed an argument? For example, I've defined the following function (defun swap-sign () (interactive) (search-forward-regexp "[+-]") (if (equal (match-string 0) "-") (replace-match "+") (replace-match "-")) ) I'd like C-u swap-sign to call swap-sign four times. I've tried (defun swap-sign (&optional num) (interactive) (let ((counter 0) (num (if num (string-to-number num) 0))) (while (<= counter num) (search-forward-regexp "[+-]") (if (equal (match-string 0) "-") (replace-match "+") (replace-match "-")) (setq counter (1+ counter))))) but C-u swap-sign still only runs swap-sign (or perhaps more precisely, the body of the while-loop) once. I'm guessing it is because if num is not the right way to test if num is an empty string. Am I on the right track, or is there a better/easier way to extend swap-sign?

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• Count number of given object in a list with LINQ

  - by Aaginor

  I have a list which can contain multiple occurrences of the same object. Now I need to count, how often the given object is contained in this list. int count = 0; foreach (IMyObject item in myList) if (item == object2Count) count++; I am sure that this can be done nicer with LINQ, but LINQ is still a mystery to me. My first question is: How would I count the objects via LINQ and the second question: Will this LINQ version be slower or faster? I am using a ObservableCollection and the number of items in the list is usally rather small ... usally not more then 20. Thanks in advance, Frank

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• How to make my view better to save Django

  - by user558251

  Hy guys sorry for this post but i need help with my application, i need optimize my view. I have 5 models, how i can do this? def save(request): # get the request.POST in content if request.POST: content = request.POST dicionario = {} # create a dict to get the values in content for key,value in content.items(): # get my fk Course.objects if key == 'curso' : busca_curso = Curso.objects.get(id=value) dicionario.update({key:busca_curso}) else: dicionario.update({key:value}) #create the new teacher Professor.objects.create(**dicionario) my questions are? 1 - How i can do this function in a generic way? Can I pass a variable in a %s to create and get? like this way ? foo = "Teacher" , bar = "Course" def save(request, bar, foo): if request post: ... if key == 'course' : get_course = (%s.objects.get=id=value) %bar ... (%s.objects.create(**dict)) %foo ??? i tried do this in my view but don't work =/, can somebody help me to make this work ? Thanks

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• jQuery success:function{} issue

  - by ufw

  I have several 'select' elements on the page. When I choose some of options, the ajax request is being sent to server and the element adjacent to this 'select' must be updated with response value. I expected the following code to be working: $(".vars").live("change", function() { //selected something in <select> list $.ajax({ type: "POST", url "someurl.php", data: {somedata}, success: function(html) { $this.next().html(html); //this does not update .next() element. } }); }); If I replace $(this).next().html(html); with alert(html); I can see the ajax request was successful. Moreover, it works only if there is only one 'select' on the page, otherwise the empty pop-up appears.

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• How to get value array of object using jquery

  - by Sthepen

  Hi there.. i have problem to get all element in array of object using jquery... i get this code from internet... var id = 123; var test = new Object(); test.Identification = id; test.Group = "users"; test.Persons = new Array(); test.Persons.push({"FirstName":" AA ","LastName":"LA"}); test.Persons.push({"FirstName":" BB ","LastName":"LBB"}); test.Persons.push({"FirstName":" CC","LastName":"LC"}); test.Persons.push({"FirstName":" DD","LastName":"LD"}); how to get each of "FirstName" and "LastName" in Persons using JQuery??

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• sifr menu list problems, height of object calculated wrong

  - by armyofda12mnkeys

  I am using Drupal and have sifr set on list items, and also a, a:hover are set via Drupal so that the links hover. I looked at the sifr3-rules.js file drupal's render module creates and it looks good. and in fact my other sifr items look fine... But the list item ones are goofing for some reason... There is extra space below the list, so if i have a list item, and inside of that, I have a unordered list with more list items, the Flash Object made in the 1st li (which will cover the rest of the sublist items too), is too bid so you see space under the children until the next parent li comes up. (so looks like extra bottom padding on that portion of the list in IE8... in FF almost similar but each subitem has space at bottom... with javascript turned off, you see the list items look fine by themselves).... Also if the parent list item is shorter than the sub list items text, the width for the flash object is set only as long as the first list item, and therefore cuts off the rest the sublist item's text. Any idea how to resolve any of these? Only unusual thing i see i am doing is setting forceSingleLine and preventWrap (which dont make a difference if taken off). ****Edit, I may just try to figure out how to get Drupal's menu-block module to output a around my hyperlinks in the list items... then i can target the div's with my rule (and the a,a:hover rules will apply), so each menu item gets its own sifr object instead of sifr3 trying to figure out how to do the lists and sublists. Very useful to me is anyone knows a way to target a hyperlink (<a> tag) and also allow a:hover rules. I know how to do it with pretend another tag that includes hyperlinks, like if i had <h2><a>sometitle</a></h2>, i could have a rule for h2, but then use the a, a:hover rules in the sifr3-rules.js file to target that. so i would need a way to target the hyperlink in the list, but also apply a :hover to it (not sure if this can be done since its not underneith for example the h2 tag).

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• Change function into dependencyproperty

  - by Jaya Willianto

  Hi everyone.. I am new to XAML and WPF and I am learning about DependencyProperty and Path. For example, I have a function like this public byte[] DownloadPicture() { WebClient webClient = new WebClient(); byte[] data; data = webClient.DownloadData("https://graph.facebook.com/4/picture&type=large"); return data; } and I have dependencyproperty like this public static DependencyProperty DownloadPicProperty = DependencyProperty.Register("DownloadPic", typeof(byte), typeof(ImageControl), new PropertyMetadata(false)); How can I connect the DependencyProperty with the DownloadPicture function I wrote? Any suggestions? What should I write in the CLR wrapper?

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