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  • What does the exception "javax.servlet.jsp.JspException: Broken pipe" signify?

    - by Ruepen
    I'm getting the following error: javax.servlet.jsp.JspException: Broken pipe Now I have seen questions/answers with respects to the socket exception, but this error is coming from a different package. Any help is greatly appreciated. BTW, I am seeing quite a lot of these errors in a struts web app Weblogic Node logs and I am thinking that it has to do with end users closing their web browser before the page reloads/executes the next step (database transaction which takes quite a bit of time to execute, anywhere from 30 seconds to 4 mins).

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  • Rewrite code from Threads to AnyEvent

    - by user1779868
    I wrote a code: use LWP::UserAgent; use HTTP::Cookies; use threads; use threads::shared; $| = 1; $threads = 50; my @urls : shared = loadf('url.txt'); my @thread_list = (); $thread_list[$_] = threads->create(\&thread) for 0 .. $threads - 1; $_->join for @thread_list; thread(); sub thread { my ($web, $ck) = browser(); while(1) { my $url = shift @urls; if(!$url) { last; } $code = $web->get($url)->code; print "[+] $url - code: $code\n"; if($code == 200) { open F, ">>200.txt"; print F $url."\n"; close F; } elsif($code == 301) { open F, ">>301.txt"; print F $url."\n"; close F; } else { open F, ">>else.txt"; print F "$url code - $code\n"; close F; } } } sub loadf { open (F, "<".$_[0]) or erroropen($_[0]); chomp(my @data = <F>); close F; return @data; } sub browser { my $web = new LWP::UserAgent; my $ck = new HTTP::Cookies; $web->cookie_jar($ck); $web->agent('Opera/9.80 (Windows 7; U; en) Presto/2.9.168 Version/11.50'); $web->timeout(5); return $web, $ck; } After its working for some time physical storage is full. Can u help me to re-write it with AnyEvent. I tried but my code didn't work. I read that it will help me to safe some memory. Thanks a lot to any helpers.

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  • Inheritance of TCollectionItem

    - by JamesB
    I'm planning to have collection of items stored in a TCollection. Each item will derive from TBaseItem which in turn derives from TCollectionItem, With this in mind the Collection will return TBaseItem when an item is requested. Now each TBaseItem will have a Calculate function, in the the TBaseItem this will just return an internal variable, but in each of the derivations of TBaseItem the Calculate function requires a different set of parameters. The Collection will have a Calculate All function which iterates through the collection items and calls each Calculate function, obviously it would need to pass the correct parameters to each function I can think of three ways of doing this: Create a virtual/abstract method for each calculate function in the base class and override it in the derrived class, This would mean no type casting was required when using the object but it would also mean I have to create lots of virtual methods and have a large if...else statement detecting the type and calling the correct "calculate" method, it also means that calling the calculate method is prone to error as you would have to know when writing the code which one to call for which type with the correct parameters to avoid an Error/EAbstractError. Create a record structure with all the possible parameters in and use this as the parameter for the "calculate" function. This has the added benefit of passing this to the "calculate all" function as it can contain all the parameters required and avoid a potentially very long parameter list. Just type casting the TBaseItem to access the correct calculate method. This would tidy up the TBaseItem quite alot compared to the first method. What would be the best way to handle this collection?

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  • How do I check if a scalar has a compiled regex in it with Perl?

    - by Robert P
    Let's say I have a subroutine/method that a user can call to test some data that (as an example) might look like this: sub test_output { my ($self, $test) = @_; my $output = $self->long_process_to_get_data(); if ($output =~ /\Q$test/) { $self->assert_something(); } else { $self->do_something_else(); } } Normally, $test is a string, which we're looking for anywhere in the output. This was an interface put together to make calling it very easy. However, we've found that sometimes, a straight string is problematic - for example, a large, possibly varying number of spaces...a pattern, if you will. Thus, I'd like to let them pass in a regex as an option. I could just do: $output =~ $test if I could assume that it's always a regex, but ah, but the backwards compatibility! If they pass in a string, it still needs to test it like a raw string. So in that case, I'll need to test to see if $test is a regex. Is there any good facility for detecting whether or not a scalar has a compiled regex in it?

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  • Redirect to https login page

    - by user50622
    I have a site that has a mix of http and https pages. Under the root of the site, one folder has all the http pages and another has all the https pages. Login is over https and sends the user to the other pages. When a session expires the forms authentication redirects to the Login page but the browser uses http and the user gets a 403 error. Is there any way to override the session timeout to send it to https?

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  • JavaScript Output to a File

    - by clops
    I am creating quite a bit of XML with JavaScript which is then processed by variuos components. I would like to send this XML to some file and prompt the user to save it on their disk (all this happens in the browser at the client, no server interaction whatsoever). Is this at all possible? Google is not a lot of help here :(

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  • *.do files not opening in my IE7

    - by echo
    I have written a struts application. When i open the application in my IE7 browser, it doesn't open the .do files, instead IE7 displayes the "FIND SAVE or CANCEL" dialog box. Its like IE7 doesn't recognise the format. But it works well with Firefox. Could anyone clarify why this happens with IE7 ?

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  • Any reason not to use USE_ETAGS with CommonMiddleware in Django?

    - by allyourcode
    The only reason I can think of is that calculating ETag's might be expensive. If pages change very quickly, the browser's cache is likely to be invalidated by the ETag. In that case, calculating the ETag would be a waste of time. On the other hand, a giving a 304 response when possible minimizes the amount of time spent in transmission. What are some good guidelines for when ETag's are likely to be a net winner when implemented with Django's CommonMiddleware?

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  • Tomcat V6.0 and eclipse issue

    - by Kaddy
    when i start tomcat from eclipse v3.3.1.1 it start but then if i try to access a web application from a browser it does not detect that the server is started...i need to stop the server from eclipse and then restart it by running start.bat and then the web app works fine...can any one tell me why is this happening ..?

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  • facebook authentication using qt

    - by user310706
    can authentication for facebook be done without a web browser in qt? the way i want to authenticate is to enter a username and password in text boxes and pass it as parameters in the url? is it possible? please help. thanks in advance.

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  • Push alerts to notification tray app in Java

    - by Rich Anderson
    Hi - how do I push server alerts to tray apps in java without using xmpp or other heavy protocols? Do you recommend a way to accomplish this? I was planning to write an app which uses URLConnection on a server equipped with Comet but I doubt if that would work as the client requires a JS to be invoked and URLConnection is not a browser.. What is the best way to push instead of using a proprietary client-server approach?

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  • JQuery $.unique() issue ie

    - by vanzylv
    Hi Guys var arr = new Array(); arr[0] = 'Departmental News' arr[1] = 'Departmental News' arr[2] = 'Another Cat' arr[3] = 'Another Cat' arr[4] = 'Departmental News' alert(arr) alert($.unique(arr)) In IE I get duplicates. In any other browser only the unique ones Any Ideas?

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  • FF extension. how to show data extracted in a javascript function to the dropdown menu in the browse

    - by encryptor
    I am developing a ff extension. On one menupopup, the onpopupshowing calls a javascript function. Tha JS function extracts a list of names. Now these names have to be displayed in the same popup. How can i get this? Basically i will need to pass the data (just as we use beans in java) to the browser from the JS function. The data can change everytime the popup is called.

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  • sifr3 text doesn't load on first try?

    - by metal-gear-solid
    sifr3 text doesn't load many time first time on FF 3.5? I haven't checked on other browser. If i reload page again then it loads properly. this is my code sIFR.replace(futura, { selector: '#Homepage h1', ratios: [6, 1.24, 9, 1.13, 10, 1.15, 16, 1.09, 21, 1.06, 22, 1.07, 25, 1.04, 26, 1.06, 29, 1.03, 30, 1.05, 31, 1.03, 32, 1.05, 41, 1.04, 58, 1.03, 97, 1.02, 1.01], wmode: 'transparent', css: '.sIFR-root { background-color: none; color: #ffffff; }' });

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  • ruby-on-rails: gravatar_for

    - by Heber
    Hi, I was following the site http://railstutorial.org/ and in the chapter 7, it shows an example of how to use gravatar_for. I tried to use it using <%= gravatar_for @user % but it does not render correctly in my browser (firefox/opera/chrome) it render this html: classgravatartitleratingPGstylewidth:50px;height:50px;background:url(http://www.gravatar.com/avatar/bebfcf57d6d8277d806a9ef3385c078d?rating=PG&size=50) no-repeat;sslfalsealtdefault Could someone give me the solution for this problem? I got stuck and I really don't know to solve this. Thank very much.

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  • Modal Popup Extender panel height width

    - by harold-sota
    I have a ajax asp.net modalpopupextender, I wont when I desplay popup, the popup cover all the browser window. The popup display a panel ane is inside the form not other container. My .aspx code is: < asp:Panel ID="OptionPanel" runat="server" CssClass="mp" Style="display: block; width:100%; height:100%" But don't work!!! Any ideas????

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  • Detect Application Shutdown in C# NET?

    - by Michael Pfiffer
    I am writing a small console application (will be ran as a service) that basically starts a Java app when it is running, shuts itself down if the Java app closes, and shuts down the Java app if it closes. I think I have the first two working properly, but I don't know how to detect when the .NET application is shutting down so that I can shutdown the Java app prior to that happening. Google search just returns a bunch of stuff about detecting Windows shutting down. Can anyone tell me how I can handle that part and if the rest looks fine? namespace MinecraftDaemon { class Program { public static void LaunchMinecraft(String file, String memoryValue) { String memParams = "-Xmx" + memoryValue + "M" + " -Xms" + memoryValue + "M "; String args = memParams + "-jar " + file + " nogui"; ProcessStartInfo processInfo = new ProcessStartInfo("java.exe", args); processInfo.CreateNoWindow = true; processInfo.UseShellExecute = false; try { using (Process minecraftProcess = Process.Start(processInfo)) { minecraftProcess.WaitForExit(); } } catch { // Log Error } } static void Main(string[] args) { Arguments CommandLine = new Arguments(args); if (CommandLine["file"] != null && CommandLine["memory"] != null) { // Launch the Application LaunchMinecraft(CommandLine["file"], CommandLine["memory"]); } else { LaunchMinecraft("minecraft_server.jar", "1024"); } } } }

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  • Can JavaScript load raw bytes to use in HTML 5 Canvas?

    - by whiskeyspider
    Say I had a file like... http://my.website.com/myfile.raw and this file was just raw bytes, representing an intensity image. Is it possible to grab this data and read the bytes in JavaScript? And then using it with HTML 5 canvas (e.g., putImageData) to draw an image? Or is there some other way to do this in the browser without Java or Flash?

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