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  • Hook a javascript event to page load

    - by Jagd
    I have an aspx that has the following javascript function being ran during the onload event of the body. <body onload="startClock();"> However, I'm setting the aspx up to use a master page, so the body tag doesn't exist in the aspx anymore. How do I go about registering the startClock function to run when the page is hit and still have it use a masterpage?

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  • Handling scroll event on listview in c#

    - by murasaki5
    I have a listview that generates thumbnail using a backgroundworker. When the listview is being scrolled i want to pause the backgroundworker and get the current value of the scrolled area, when the user stopped scrolling the listview, resume the backgroundworker starting from the item according to the value of the scrolled area. Is it possible to handle scroll event of a listview? if yes how? if not then what is a good alternative according to what i described above?

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  • event handling in C++

    - by Max
    Hi. I'm writing a game in C++, and I'm trying to get it to recognize keyboard and mouse events. Google tells me that boost.signal is suitable for event handling, but none of the code samples or tutorials I've found tell me how to associate a keypress or mouseclick with a function. Can anyone shed any light on this?

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  • Validating event usurps button click on Windows Form

    - by triskelion
    I have a ComboBox and a Save button on my Windows Form. When I change the selected value in the ComboBox then click the Save button, the ComboBox validating event fires but the button click is lost. When the selected value is valid this results in the user thinking they have saved the change when in fact they have not. Why is the button click lost if the ComboBox is valid? Is there a work around?

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  • Bind an event handler to multiple elements jQuery?

    - by Alex
    Hello all. I've done some experimenting, but can't seem to successfully bind one event handler to multiple elements using jQuery. Here's what I've tried: $('selector1', 'selector2').bind('click', function() { $('someSelector').removeClass('coolClass'); }); I've tested all my selectors, and they are all valid. Is what I'm trying to do even possible? If so, can I do it with .live() as well? Thanks!

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  • How does object of sub-class record information about its super-class the in a Virtual Inheritance

    - by Summer_More_More_Tea
    Hi there: I encounter this problem when tackling with virtual inheritance. I remember that in a non-virtual inheritance hierarchy, object of sub-class hold an object of its direct super-class. What about virtual inheritance? In this situation, does object of sub-class hold an object of its super-class directly or just hold a pointer pointing to an object of its super-class? By the way, why the output of the following code is: sizeof(A): 8 sizeof(B): 20 sizeof(C): 32 Code: #include <iostream> using namespace std; class A{ char k[ 3 ]; public: virtual void a(){}; }; class B : public virtual A{ char j[ 3 ]; public: virtual void b(){}; }; class C : public virtual B{ char i[ 3 ]; public: virtual void c(){}; }; int main( int argc, char *argv[] ){ cout << "sizeof(A): " << sizeof( A ) << endl; cout << "sizeof(B): " << sizeof( B ) << endl; cout << "sizeof(C): " << sizeof( C ) << endl; return 0; } Thanks in advance. Kind regards.

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  • vir-install virtual machine hang on Probbing EDD

    - by user2256235
    I'm using vir-stall virtual machine, and my command is virt-install --name=gust --vcpus=4 --ram=8192 --network bridge:br0 --cdrom=/opt/rhel-server-6.2-x86_64-dvd.iso --disk path=/opt/as1/as1.img,size=50 --accelerate After running the command, it hangs on probing EDD, - Press the <ENTER> key to begin the installation process. +----------------------------------------------------------+ | Welcome to Red Hat Enterprise Linux 6.2! | |----------------------------------------------------------| | Install or upgrade an existing system | | Install system with basic video driver | | Rescue installed system | | Boot from local drive | | Memory test | | | | | | | | | | | | | | | +----------------------------------------------------------+ Press [Tab] to edit options Automatic boot in 57 seconds... Loading vmlinuz...... Loading initrd.img...............................ready. Probing EDD (edd=off to disable)... ok ÿ Previously, I wait a long time, it seems no marching. After I press ctrl + ] and stop it. I find it was running using virsh list, but I cannot console it using virsh concole gust. Any problem and how should I do. Many Thanks

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  • Access virtualhosts over LAN (Also in xpmode (Virtual PC))

    - by Pheter
    Hi, I am running Wamp on my computer (the host). I have set up several virtualhosts in apache and they are working fine when I access them from the same computer (host). I have installed Windows XPMode on my computer (which is running windows 7). XPMode (which uses Virtual PC) is set up to use a NAT network. The network in XPMode is working fine, and I can access the host PC via the IP address 192.168.1.5, just as I would if I was using any physical computer on the same network. I can view all the web pages at 192.168.1.5 and it's subdirectories. However, I cannot access any of the subdomains that are configured in the virtualhosts of the host computer. How can I access the subdomains? I don't think that the fact that I am using XPMode and am using a virtualized OS has anything to do with it, but I thought that it was worth mentioning.

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  • ASP.Net Application Trust Medium File IO Outside Virtual Directory

    - by Trey Gramann
    I am trying to determine how suicidal this is... I have a hosting environment where a custom ASP.Net CMS application needs to access the files in the root folder of a website even though it is in a virtual folder so it can be shared accross many sites. I can modify the Medium trust on the server and came up with this... <IPermission class="FileIOPermission" version="1" Read="$AppDir$;$AppDir$\.." Write="$AppDir$;$AppDir$\.." Append="$AppDir$;$AppDir$\.." PathDiscovery="$AppDir$;$AppDir$\.."/> Oddly enough, it works. Yes, I understand it is doing this for all the Apps. I am a bit at a loss as to easy ways to test what else is being exposed. Feels dangerous. Opinions?

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  • virtual function call from base of base

    - by th3g0dr3d
    hi, let's say i have something like this (very simplified): <pre><code> class base { void invoke() { this-foo(); } virtual void foo() = 0; }; class FirstDerived : public base { void foo() { // do stuff } }; class SecondDerived : public FirstDerived { // other not related stuff } int main() { SecondDerived *a = new SecondDerived(); a-invoke(); } What i see in the debugger is that base::invoke() is called and tries to call this-foo(); (i expect FirstDerived::foo() to be called), the debugger takes me to some unfamiliar assembly code (probably because it jumped to unrelated areas) and after few lines i get segmentation fault. am i doing something wrong here? :/ thanks in advance

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  • How do i translate movement on the Canvas3D to movement in the virtual 3D world

    - by Coder
    My goal is to move a shape in the virtual world in such a way so that it ends up where the mouse pointer is on the canvas. What i have: -mouse position (x,y) on a Canvas3D object -Point3d object of where a pick ray starting from the Canvas3D viewport intersects with the first scene object. (point in 3D space of where i want to start the drag) What i want: -Some way to translate the Point3d's coordinates so that the initial point of intersection (the Point3d object) is always overlapping the the mouse position on the canvas (same as when i used the pick ray to determine what the user clicked on from the Canvas3D object). Thanks!

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  • Tuning OS X Virtual Memory

    - by dcolish
    I've noticed some really odd results form vm_stat on OSX 10.6. According to this, its barely hitting the cache. Searches of pretty much everywhere I could think of turn up little to explain why the rate is so low. I asked a few friends and they're seeing the same thing. What gives and how can I make it better? Mach Virtual Memory Statistics: (page size of 4096 bytes) Pages free: 78609. Pages active: 553411. Pages inactive: 191116. Pages speculative: 6198. Pages wired down: 153998. "Translation faults": 116031508. Pages copy-on-write: 2274338. Pages zero filled: 33360804. Pages reactivated: 264378. Pageins: 1197683. Pageouts: 43756. Object cache: 20 hits of 1550639 lookups (0% hit rate)

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  • How does a virtual machine work?

    - by Martin
    I've been looking into how programming languages work, and some of them have a so-called virtual machines. I understand that this is some form of emulation of the programming language within another programming language, and that it works like how a compiled language would be executed, with a stack. Did I get that right? With the proviso that I did, what bamboozles me is that many non-compiled languages allow variables with "liberal" type systems. In Python for example, I can write this: x = "Hello world!" x = 2**1000 Strings and big integers are completely unrelated and occupy different amounts of space in memory, so how can this code even be represented in a stack-based environment? What exactly happens here? Is x pointed to a new place on the stack and the old string data left unreferenced? Do these languages not use a stack? If not, how do they represent variables internally?

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  • Override number of parameters of pure virtual functions

    - by Jir
    I have implemented the following interface: template <typename T> class Variable { public: Variable (T v) : m_value (v) {} virtual void Callback () = 0; private: T m_value; }; A proper derived class would be defined like this: class Derived : public Variable<int> { public: Derived (int v) : Variable<int> (v) {} void Callback () {} }; However, I would like to derive classes where Callback accepts different parameters (eg: void Callback (int a, int b)). Is there a way to do it?

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  • iOS 5 fixed positioning and virtual keyboard

    - by jeffc
    I have a mobile website which has a div pinned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as the keyboard is visible. Once I click Done to close the keyboard, the div reverts to its position at the bottom of the screen and obeys the position:fixed rule. Has anyone else experienced this sort of behavior? Is this expected? Thanks.

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  • NTFS-compressing Virtual PC disks (on host and/or guest)

    - by nlawalker
    I'm hoping someone here can answer these definitively: Does putting a VHD file in an NTFS-compressed folder on the host improve performance of the virtual machine, diminish performance, or neither? What about using NTFS compression within the guest? Does using compresssion on either the host or the guest lead to any problems like read or write errors? If I were to put a VHD in a compressed folder on the host, would I benefit from compacting it? I've seen references to using NTFS compression on quite a few VPC "tips and tricks" blog posts, and it seems like half of them say to never do it and the other half say that not only does it save disk space but it actually can improve performance if you have a fast CPU and your primary performance bottleneck is the disk.

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  • ASP.NET MVC thinks my virtual directory is a controller

    - by kmehta
    I have a virtual directory under my MVC website in IIS called "Files". This directory is at the same level as my Views directory. When I link to a file from my MVC app to a file under my Files directory, I get the following error: The controller for path '/Files/Images/1c7f7eb8-5d66-4bca-a73a-4ba6340a7805.JPG' was not found or does not implement IController. It thinks that my Files VD is a controller. How do I access my files like a normal VD without MVC interfering? Thanks.

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  • Unwanted virtual keyboard in Blackberry app

    - by matkas
    I have developed a Blackberry app for the 4.5 os series. It works fine on all device except on the storm 1 (storm2 untested). The problem (on the storm) is that the main screen of my application (and all other screens in fact) is shown with the virtual keybord. But there is no text field displayed on the screen that would justify the VK to show up. I have bitmap fields and button fields only on that screen. The use of a single program for all devices (4.5 and up) is seriously preferred. What is causing the VK to show up and what can I do to prevent it (in JDE 4.5)?

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  • Application loses authentication when performing redirect to a virtual directory

    - by nuhusky2003
    I have the following setup: http://www.example.com/dir1/ and http://www.example.com/dir2/ Each virtual directory is configured on IIS6.0 as an application with own AppPool. When redirecting authenticated user from dir1 to dir2 using response.redirect I lose authentication information for the user and the user is being redirected to the login page. This issue was not coming up with each app (dir1 and dir2) were configured under subdomain, ex: http://dir1.example.com and http://dir2.example.com. I have resolved the issue by adding a machine key to the machine.config file. Can someone explain to me why it's not working on a http://www.example.com/dir1 configuration?

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