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  • Changing image "source" dynamically in runtime

    - by ignatius
    Hello, i am trying to modify during runtime an image in my application, this image is located inside assets folder, so thats why i dissable -use-network=false flag, then i call something like this: img.source="../assets/pict.png"; but it's not working. i know its a silly question but i am stuck here. any hint i appreciate. Br

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  • PHP 5.3: Late static binding doesn't work for properties when defined in parent class while missing in child class

    - by DavidPesta
    Take a look at this example, and notice the outputs indicated. <?php class Mommy { protected static $_data = "Mommy Data"; public static function init( $data ) { static::$_data = $data; } public static function showData() { echo static::$_data . "<br>"; } } class Brother extends Mommy { } class Sister extends Mommy { } Brother::init( "Brother Data" ); Sister::init( "Sister Data" ); Brother::showData(); // Outputs: Sister Data Sister::showData(); // Outputs: Sister Data ?> My understanding was that using the static keyword would refer to the child class, but apparently it magically applies to the parent class whenever it is missing from the child class. (This is kind of a dangerous behavior for PHP, more on that explained below.) I have the following two things in mind for why I want to do this: I don't want the redundancy of defining all of the properties in all of the child classes. I want properties to be defined as defaults in the parent class and I want the child class definition to be able to override these properties wherever needed. The child class needs to exclude properties whenever the defaults are intended, which is why I don't define the properties in the child classes in the above example. However, if we are wanting to override a property at runtime (via the init method), it will override it for the parent class! From that point forward, child classes initialized earlier (as in the case of Brother) unexpectedly change on you. Apparently this is a result of child classes not having their own copy of the static property whenever it isn't explicitly defined inside of the child class--but instead of throwing an error it switches behavior of static to access the parent. Therefore, is there some way that the parent class could dynamically create a property that belongs to the child class without it appearing inside of the child class definition? That way the child class could have its own copy of the static property and the static keyword can refer to it properly, and it can be written to take into account parent property defaults. Or is there some other solution, good, bad, or ugly?

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  • Making a view scrollable when keyboard active

    - by Dan Ray
    I have a view with half a dozen text fields and labels, and a button. I want it to be that when the keyboard pops up, the view becomes scrollable, so you can scroll the view up and see the bottom half of the fields without having to dismiss the keyboard to get to them. Just putting it inside a UIScrollView doesn't seem to do it.

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  • How to Open .htm file in HTML page and Edit it ?

    - by Prog_Sud
    Hi, Can I open .htm file in HTML page and Edit it ? e.g. using FrontPage inside HTML page to Open the .htm file and let one authorized user to modify contents of the .htm file, and then save the .htm file in the same folder from which the .htm file opened directly without searching for the folder ? Thanks, Ahmed.

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  • Database application using MVC paradigm

    - by Andrei K.
    In classic Delphi database application we have a form, a set of data-aware visual controls connected to TDataSets via TDataSources. If one wants to design database application using MVC model, where to place TDataSet components? Should they stay on form and therefore be a part of View? Or should they be encapsulated inside some Model object? If the latter how they could be bound to visual components?

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  • Jquery Calling lightbox from updated div not working

    - by Roberto
    Hi! I'm working in a website were we update the content of a div using Jquery. Inside the content we use to update the div there are some buttons with jquery actions attached. The first time the document is loaded lightbox is OK, but after the div content is updated the jquery lightbox doesnt works. Any comments welcome ;)

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  • How to import your own non-packaged Java classes in Jython

    - by thepandaatemyface
    I know in Jython you can do import java.util.Random as Random Random().nextInt() But if I have a class I wrote myself, how can I import it into Jython without putting the class itself in a package? If I have a testclass Test: public class Test { public void foo() { System.out.println("bar"); } } that's not inside a package. Can I even import that into jython by using something along the lines offrom Test import Test?

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  • vba function, return from function

    - by Mike
    I don't normally use VB, and even less vba for excel, but I'm writing a function inside a macro and seem to not understand even the basics of creating a function For example Public Function test() As Integer return 1 End Function This gives a compile error. This is profoundly stupid, but how do I make a function return an integer in vba?

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  • How to read from database and write into text file with C#?

    - by user147685
    How to read from database and write into text file? I want to write/copy (not sure what to call) the record inside my database into a text file. One row record in database is equal to one line in the text file. I'm having no problem in database. For creating text file, it mentions FileStream and StreamWriter. Which one should I use?

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  • Open archive file content in OpenFileDiaolg C#

    - by Guy
    Hi All, I want an Open File Dialog with *.class ,*.jar filters. I want that *.jar files will be treated as folders (pressing OK or double-click should display the jar file content [ *.class] ). This capability is very similar to the TotalCommander archive plugin that let you browse inside archive files in-place (without the need to extract them, etc...) Any ideas how it could be done? Can I use something that is already implemented? Thanks, Guy

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  • Call Javascript method from .ashx file

    - by Prasad Jadhav
    From my previous question(Create json using JavaScriptSerializer), In .ashx file I am printing the json object using: context.Response.ContentType = "application/json"; context.Response.Write(json); I am calling this .ashx file from default.aspx which has some javascript function inside its <head> tag. My question is : How will I be able to call the javascript function from .ashx file after context.Response.Write(json);?

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  • effective functional sort

    - by sreservoir
    I'm programming a function for a TI-NSpire, so I can't use the builtins from inside a function. What is the most generally efficient algorithm for sorting a list of numbers without modifying the list itself? (recursion and list-splitting are fair game, as is general use of math.)

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  • Resizing iframe to fit its content

    - by Ahmy
    I have an iframe where the src is an htm file and this iframe is put inside usercontrol : <iframe frameborder="0" src="CName.htm" align="left" width="730" height="1100" ></iframe> i need the iframe to resized according to the content so that it's height is set according to the hieght of the html file and i don't need to use scrolling attribute do u have any ideas? Duplicate - see http://stackoverflow.com/questions/153152/resizing-an-iframe-based-on-content

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  • How to count no of elements ?

    - by rajesh
    hi suppose i have what i want is inside maindiv i want to count no of elements(may be div input tags)present. there may be use of getElementByTagName(). But the problem is that how to count element. Thanks

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  • Gaining access to jndi environment variables within a Tomcat LifecycleListener

    - by rmarimon
    I'm using a LifecycleListener in tomcat to initialize some objects required by contexts in my web server. Within LifecycleListener I would like to have access to GlobalNamingResources Environment variables to keep the configuration for the server inside the server.xml file. When trying various approaches I get the following error: javax.naming.NameNotFoundException: Name java:comp is not bound in this Context I'm assuming that the jndi is not initialized by this stage of the server startup process. Any ideas on how to tackle this?

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  • html5 uploader + jquery drag & drop: how to store file data with FormData?

    - by lauthiamkok
    I am making a html5 drag and drop uploader with jquery, below is my code so far, the problem is that I get an empty array without any data. Is this line incorrect to store the file data - fd.append('file', $thisfile);? $('#div').on( 'dragover', function(e) { e.preventDefault(); e.stopPropagation(); } ); $('#div').on( 'dragenter', function(e) { e.preventDefault(); e.stopPropagation(); } ); $('#div').on( 'drop', function(e){ if(e.originalEvent.dataTransfer){ if(e.originalEvent.dataTransfer.files.length) { e.preventDefault(); e.stopPropagation(); // The file list. var fileList = e.originalEvent.dataTransfer.files; //console.log(fileList); // Loop the ajax post. for (var i = 0; i < fileList.length; i++) { var $thisfile = fileList[i]; console.log($thisfile); // HTML5 form data object. var fd = new FormData(); //console.log(fd); fd.append('file', $thisfile); /* var file = {name: fileList[i].name, type: fileList[i].type, size:fileList[i].size}; $.each(file, function(key, value) { fd.append('file['+key+']', value); }) */ $.ajax({ url: "upload.php", type: "POST", data: fd, processData: false, contentType: false, success: function(response) { // .. do something }, error: function(jqXHR, textStatus, errorMessage) { console.log(errorMessage); // Optional } }); } /*UPLOAD FILES HERE*/ upload(e.originalEvent.dataTransfer.files); } } } ); function upload(files){ console.log('Upload '+files.length+' File(s).'); }; then if I use another method is that to make the file data into an array inside the jquery code, var file = {name: fileList[i].name, type: fileList[i].type, size:fileList[i].size}; $.each(file, function(key, value) { fd.append('file['+key+']', value); }); but where is the tmp_name data inside e.originalEvent.dataTransfer.files[i]? php, print_r($_POST); $uploaddir = './uploads/'; $file = $uploaddir . basename($_POST['file']['name']); if (move_uploaded_file($_POST['file']['tmp_name'], $file)) { echo "success"; } else { echo "error"; } as you can see that tmp_name is needed to upload the file via php... html, <div id="div">Drop here</div>

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  • asp:Button is not calling server-side function

    - by Richard Neil Ilagan
    Hi guys, I know that there has been much discussion here about this topic, but none of the threads I got across helped me solve this problem. I'm hoping that mine is somewhat unique, and may actually merit a different solution. I'm instantiating an asp:Button inside a data-bound asp:GridView through template fields. Some of the buttons are supposed to call a server-side function, but for some weird reason, it doesn't. All the buttons do when you click them is fire a postback to the current page, doing nothing, effectively just reloading the page. Below is a fragment of the code: <asp:GridView ID="gv" runat="server" AutoGenerateColumns="false" CssClass="l2 submissions" ShowHeader="false"> <Columns> <asp:TemplateField> <ItemTemplate><asp:Panel ID="swatchpanel" CssClass='<%# Bind("status") %>' runat="server"></asp:Panel></ItemTemplate> <ItemStyle Width="50px" CssClass="sw" /> </asp:TemplateField> <asp:BoundField DataField="description" ReadOnly="true"> </asp:BoundField> <asp:BoundField DataField="owner" ReadOnly="true"> <ItemStyle Font-Italic="true" /> </asp:BoundField> <asp:BoundField DataField="last-modified" ReadOnly="true"> <ItemStyle Width="100px" /> </asp:BoundField> <asp:TemplateField> <ItemTemplate> <asp:Button ID="viewBtn" cssclass='<%# Bind("sid") %>' runat="server" Text="View" OnClick="viewBtnClick" /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> The viewBtn above should call the viewBtnClick() function on server-side. I do have that function defined, along with a proper signature (object,EventArgs). One thing that may be of note is that this code is actually inside an ASCX, which is loaded in another ASCX, finally loaded into an ASPX. Any help or insight into the matter will be SO appreciated. Thanks! (oh, and please don't mind my trashy HTML/CSS semantics - this is still in a very,very early stage :p)

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