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  • Javascript performance issue

    - by Daniel
    Hello, I've built a top menu based on superfish, but the amount of displayed items in the menu is huge. And there is also alot of jquery on the top menu. Now to the problem, everytime I load any page that has the menu, the browser(ie7) feels like it looks it locks it self for about 1-2 seconds while the page is being loaded. I'm sure that the top menu is the issue, and I would like to improve the performance of the page.(besides removing the menu and removing the menu items) I've used firebug to see which calls take most of the times, and I the calls are standard jquery or superfish. The top menu is a ascx control. Are they any good ways to let the page load first and the menu later or any other goods ideas to improve the performance?

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  • scrollTo scrolls to the top of the page

    - by yanis
    Hi, I have the following Javscript code. When the page is loaded it is scrolled to the right position. When I click on the link to run the function the page scrolls to the top of the page. Has anybody any idea how to fix it? <html> <head> <script type="text/javascript"> function scroll() { window.scrollTo(0, 400) } </script> <title></title> </head> <body onload="window.scrollTo(0, 400)"> <img src="a.jpg"/> <a href="#" onclick="scroll">comments1</a> </body> </html>

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  • Calling javascript without any action

    - by ayush
    i have the following lines of html code - <div class="twitters" id="cbd"> <p><a href="javascript:;" onClick="tweeet('<?php echo $c; ?>')">My Tweets!</a></p> </div> Now what i need to do is call the tweet() javascript function without any link being clicked or any button being clicked . i.e this function is called on its own whenever the page is loaded.

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  • Birt Global Integer

    - by matschie
    Hi there I have a Birt Report which read some stuff from a database. After that i want to increment a global Integer for every Detailrow that is loaded. So far i have initialized a global Integer with the following lines: importPackage(Packages.java.lang); reportContext.setPersistentGlobalVariable("minTotalPlus", new Integer(0)); After that i added the following line into a field in my detail row: reportContext.setGlobalVariable("minTotalPlus", new Integer reportContext.getGlobalVariable("minTotalPlus")) + 1); When i preview the report i get an "java.lang.NumberFormatException: null" which means that the global variable is null. Why is that so? How could I fix that?

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  • Caching web page data, Database or File

    - by Mahdi
    I am creating an RSS reader application that requests the RSS from my server. I mean, the RSS is first downloaded to my server, then application downloads it from my server. I want to create RSS cache for this. And for example, each RSS would be refreshed every 1 minute. So, If 10 users request RSS of example.com in 1 minute, my server will download it only for the first time, and in other 9 requests, RSS will be loaded from cache. My question is, Should I use a Database (MSSQL) for this purpose? or I should use files? I have no limit in Database size nor in file size... EDIT: I'm using ASP.NET for the server.

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  • PropertyChanged doesn't work properly

    - by Karen
    Hello, I have a Silverlight application in which I implemented MVVM pattern. In my application there is a child window on which I have ComboBox. I bound ItemsSource and SelectedItem of my combobox to a property (typeof ObservableCollection) and property of MyType appropriately. MyType is a "MODEL" derived from INotifyPropertyChanged. When my window is loaded I set values to this properties. But my combobox doesn't display selected item. I found that when I set property which is bound to selected item (in ViewModel), the PropertyChanged event is null. Can anyone help me. Thanks.

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  • Error preparing statement in Jasper

    - by Augusto
    Hi, I'm trying to create a report with Jasper, but I keep getting this exception when running from my app (runs ok from IReport): net.sf.jasperreports.engine.JRException: Error preparing statement for executing the report query Here's the query I'm using: SELECT produtos.`Descricao` AS produtos_Descricao, saidas.`Quantidade` AS saidas_Quantidade, saidas.`Data` AS saidas_Data, motivossaidas.`Motivo` AS motivossaidas_Motivo FROM `produtos` produtos INNER JOIN `saidas` saidas ON produtos.`Id` = saidas.`Id_Produto` INNER JOIN `motivossaidas` motivossaidas ON saidas.`Id_MotivoSaida` = motivossaidas.`id` WHERE motivossaidas.`motivo` = $P{MOTIVO} and the parameter definition: <parameter name="MOTIVO" class="java.lang.String"/> The exception occurs when I do JasperPrint jasperPrint = JasperFillManager.fillReport(relatorio, parametros); where relatorio is a JasperReport object loaded with JRLoader.loadObject(URL) and parametros is a HashMap with the following key/values: REPORT_CONNECTION = MySQL JDBC connection, MOTIVO = "Venda" I really don't know what to do here. I keep getting the exception event if I use a query without any parameters. Why do I get this exception? What should I do here? Thanks!

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  • How/is data shared between fastCGI processes?

    - by Josh the Goods
    I've written a simple perl script that I'm running via fastCGI on Apache. The application loads a set of XML data files which are used to lookup values based upon the the query parameters of an incoming request. As I understand it, if I want to increase the amount of concurrent requests my application can handle I need to allow fastCGI to spawn multiple processes. Will each of these processes have to hold duplicate copies of the XML data in memory? Is there a way to set things up so that I can have one copy of the XML data loaded in memory while increasing the capacity to handle concurrent requests?

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  • Why is "use custom server" option disabled in Visual studio 2010?

    - by Tony_Henrich
    I have DotnetNuke loaded in Visual studio 2010. The 'use custom server' option under 'Start Options' is disabled. Why is it disabled? What does 'Use Default Web server' default to? How do I change what the default is? In earlier versions of VS i was able to switch between IIS and the internal web server (Cassini). Now it's more confusing in VS 2010! Would the project type, Web Application Project vs Web Site project, affect the setting?

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  • Dynamically loading hi-res images into UIScrollView

    - by Jeff
    I've been looking into creating a gallery mode in my application. The functionality will be identical to the built in Photos App. Here's the flow: 1. You touch on a thumbnail and ... 2. a modal view displays a large detail version of the image 3. You have the ability to scroll horizontally through all the images in the gallery while in this modal view I'm stuck on step 3. How do I dynamically load hi res images into a scroll view? I understand I need to set the contentSize for the the scrollView but how do I do that when I've only selected and loaded one image? What delegate methods do I need to implement and what does the heavy lifting look like? Thanks in advance!

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  • How to get a 64 bit dll with c source file, def file, link file by using command line in vc 6.0

    - by allan
    Hi, all My compile environment is windows xp and vc 6.0. Now I have a c source file(msgRout.c), def file(msgRout.def), link file(msgRout.link), then I use commands below to get a 32 bit dll: 1.cl /I ../include -c -W3 -Gs- -Z7 -Od -nologo -LD -D_X86_=1 -DWIN32 -D_WIN32 -D_MT -D_DLL msgRout.c 2.lib -out:msgRout.lib -def:msgRout.def -machine:i386 3.link /LIBPATH:../../Lib -nod -nologo -debug:full -dll @msgRout.link -out:msgRout.dll But the dll I got cannot be loaded on X64 application. it required a 64 bit dll. So here is my question: Can I get a 64 bit dll with vc 6.0? Using only above 3 commands alike, how can I get 64 bit dll? Many GREAT THANKS!!! Allan

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  • Several appdomains calling the same unmanged dll

    - by Mr. T.
    Our .NET 3.5 C# application creates multiple appdomains. Each appdomain loads the same unmanaged 3rd party dll. This dll reads a configuration file upon initialization. If the configuration changes during runtime, the dll must be unloaded and loaded again. This dll is not in our scope to rewrite correctly. Does each appdomain have access to a separtate copy of this unmanaged dll, or does Windows keep one copy of the dll and maintain a usage count? If the latter is is the case, how do we get each instance of the unmanaged dll to reflect its unique configuration?

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  • What happens to an ActiveX control (COleControl) after the call to OnDestroy() ?

    - by richj
    I have an ActiveX control written in C++ that runs in Internet Explorer 8. Most of the time (approx 90%) when the tab or browser containing the control is closed, there is an access violation like this: The thread 'Win32 Thread' (0x1bf0) has exited with code 0 (0x0). Unhandled exception at 0x77b3b9fd in iexplore.exe: 0xC0000005: Access violation reading location 0x65007408. The access violation occurs after the call to OnDestroy() but before the call to the control's destructor. The debug output says: No symbols are loaded for any call stack frame. The source code cannot be displayed. None of my code is present in the stacktrace, although perhaps the heap was corrupted at some earlier point during execution. What lifecycle events does an ActiveX control receive between the call to OnDestroy() and the control's destructor?

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  • How to access parent Iframe from javascript

    - by José Leal
    Well, I have an IFrame, which calls a same domain page. My problem is that I want to access some information from this parent Iframe from this called page (from javascript). How can I access this Iframe? Details: There are severals Iframes just like this one, that can have the same page loaded, because I am programming a windows environment. I intend to close this Iframe, that's why I need to know which I should close from inside him. I have an array keeping references to these Iframes EDIT: There iframes are generated dynamically

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  • JQuery or javascript to find memory usage of page

    - by Tauren
    Is there a way to find out how much memory is being used by a web page, or by my jquery application? Here's my situation: I'm building a data heavy webapp using a jquery frontend and a restful backend that serves data in JSON. The page is loaded once, and then everything happens via ajax. The UI provides users with a way to create multiple tabs within the UI, and each tab can contain lots and lots of data. I'm considering limiting the number of tabs they can create, but was thinking it would be nice to only limit them once memory usage has gone above a certain threshold.

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  • ReportViewer height issue. Hiding scrollbars.

    - by Tommy Jakobsen
    Hi, I'm using MSSQL 2005 Reporting Services and in this case I need to display some reports on an ASP.NET page using the ReportViewer control (I guess thats the only way, right?). The problem is that I can't get the property SizeToReportContent to work. When displaying the report, I get a vertical scrollbar because the report is too large. It looks like an iframe window. Searching on google it seems to be a bug. It can be fixed by setting AsyncRendering to false but I don't want that. I need another solution. I was wondering if it's possible to set the height on the report element using JavaScript after the report has been loaded? Or do you know of another solution? This is really annoying. Thanks in advance.

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  • Can't set default value of string property to "" in the Xcode CoreData model designer

    - by glenc
    I have an entity in my datamodel with a string property that is currently optional, and I'd like to convert this property to a required property with a default value of the empty string. As others have discovered, leaving the default value blank results in validation errors (since the designer interprets this as NULL), but trying '', "", or @"" as the default value results in those literal characters being interpreted as the default, rather than the empty zero-length string, as desired. I did find this thread on Google, however, apart from the solution being really ugly (model definition split between the .xcdatamodel and objc source), it also doesn't work for lightweight migrations because those migrations are done solely based on the .xcdatamodel files and the objc logic from your entity implementations isn't loaded. Is there any way to achieve this in the data model designer?

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  • xsd-based code generator to build xml?

    - by Tim
    I have a schema (xsd), and I want to create xml files that conform to it. I've found code generators that generate classes which can be loaded from an xml file (CodeSynthesis). But I'm looking to go the other direction. I want to generate code that will let me build an object which can easily be written out as an xml file. In C++. I might be able to use Java for this, but C++ would be preferable. I'm on solaris, so a VisualStudio plugin won't help me (such as xsd2code). Is there a code generator that lets me do this?

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  • Namespace Autoload works under windows, but not on Linux

    - by EvilChookie
    I have the following php code: index.php <?php spl_autoload_extensions(".php"); spl_autoload_register(); use modules\standard as std; $handler = new std\handler(); $handler->delegate(); ?> modules\standard\handler.php <?php namespace modules\standard { class handler { function delegate(){ echo 'Hello from delegation!'; } } } ?> Under Windows 7, running WAMP, the code produces the message "Hello from Delegation!" however under Linux, I get the following: Fatal error: spl_autoload(): Class modules\standard\handler could not be loaded in /var/www/index.php on line 15 Windows is running PHP 5.3.0 under WAMP, and Linux is running the 5.3.2 dotdeb package under Ubuntu 9.10. Is this a configuration issue on my linux box, or just a difference in the way namespaces and autoloading is handled on the different operating systems

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  • How to call iframe's function from this iframe

    - by Adrian
    Hi, I have an iframe created in Javascript with some function f(): var iframe = document.createElement("iframe"); $(iframe).attr({ width: 0, height: 0, frameborder: 0, src: this.options.url, name: id, id: id }); document.body.appendChild(iframe); iframe.contentWindow.f = function(data) { alert("test"); }; Document loaded in this iframe should call function f(): <script ...>f();</script> And this works perfectly in Firefox but Opera tells, f() is undefined. Is there any solution? Adrian.

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  • Bluimp file upload send data to the server on .fileupload

    - by MyName
    OK I've Googled...Googled and Googled again with no avail on how I can send data to the server like an ajax call's data option for the file upload: $('#file_upload').fileupload({ dataType: 'json', url: "@(Url.Action("UploadFiles", "ExcelUpload"))", // formData: function(form) { return [{ name: "dataTable", value : "@(Model)"}];}, progressall: function (e, data) { $(this).find('.progressbar').progressbar({ value: parseInt(data.loaded / data.total * 100, 10) }); }, done: function (e, data) { BadFile(e, data); } }); controller would look something like this: [HttpPost] public ContentResult UploadFiles(Mytype param1, MyType Param2) { .. } I want to do something similar to this: $.ajax({ url: "@(Url.Action("Action", "Controller"))", type: "post", data: { param1: value, param2: @(Model) } }); On the fileupload callback. Is this possible? How can I pass values to the ServerSide? Should I switch to a different uploader..? Please help me out! I need to resolve this as soon as possible.

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  • Silverlight - Disabling Item Selection from ListBox

    - by Villager
    Hello, I have a ListBox defined in Silverlight. Each item in this ListBox has a CheckBox. Based on some rules when the ListBox is populated, some of the items in the ListBox get selected. This is used just for the sake of highlighting certain rows. When a user clicks an item in the ListBox, I want to check or uncheck the CheckBox in the item. However, I want to leave the item as appeared as selected because of the highlighting. Is there a way to do this? If not, is there a repeater control where I can highlight certain rows but not others when items are loaded? Thank you,

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  • Question about "Link Map" output and "Assume" directive of MASM assembler.

    - by smwikipedia
    I am new to MASM. So the questions may be quite basic. When I am using the MASM assembler, there's an output file called "Link Map". Its content is composed of the starting offset and length of various segments, such as Data segment, Code segment and Stack segment. I am wondering that, where are these information describing? Are they talking about how various segments are located within an EXE file or, how segments are located within memory after the EXE file being loaded into memory by a program loader? BTW: What does the "Assume" directive do? My understanding is that it tell the assembler to emit some information into the exe file header so the program loader could use it to set DS, CS, SS, ES register accordingly. Am I right on this? Thanks in advance.

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  • Debugging a release version of a DLL (with PDB file)

    - by Martin
    If I have a DLL (that was built in release-mode) and the corresponding PDB file, is it possible to debug (step-into) classes/methods contained in that DLL? If so, what are the required steps/configuration (e.g. where to put the PDB file)? Edit: If have the PDB file in the same place as the DLL (in the bin/debug directory of a simple console test application). I can see that the symbols for the DLL are loaded (in the Output window and also in the Modules window), but still I cannot step into the methods of that DLL. Could this be the result of compiler optimizations (as described by Michael in his answer)?

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  • PRISM View Injection/Navigation in Same Module

    - by Jeaffrey Gilbert
    This is ModuleInit.cs in Products module public class ModuleInit : IModule { private readonly IUnityContainer _container; private readonly IRegionManager _regionManager; public ModuleInit(IUnityContainer container, IRegionManager regionManager) { _container = container; _regionManager = regionManager; } #region IModule Members public void Initialize() { App app = (App)Application.Current; _regionManager.RegisterViewWithRegion(RegionNames.ModuleRegionProducts, () => _container.Resolve<Views.ProductsCycle>()); } #endregion } Below is button event handler in ProductsCycle.cs to go to another view still within same module: private void btnForward_Click(object sender, RoutedEventArgs e) { IRegion productsRegion = _regionManager.Regions["ModuleRegionProducts"]; var productsListView = _container.Resolve<Views.ProductsList>(); productsRegion.Add(productsListView, "ProductsList"); productsRegion.Activate(productsListView); } State: ProductsCycle page is successfully loaded on first load. Problem: View doesn't changed from ProductCycle page to ProductsList page when btnForward is clicked. I'm using Silverlight 4 and PRISM2. Please your advice, thank you.

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