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  • Tomcat memory issue

    - by user305210
    Hello, I have noticed that my application that is running on Tomcat 5 starts with 1gig of memory and as soon as it starts receiving requests from client, the memory starts dropping until it is down to 100MBs and troubles start from there. I am looking at /manager/status page of tomcat under JVM section where "Free Memory", "Total Memory", "Max Memory" is listed. Is this an indicator of memory leak? Memory does not seem to be freed-up automatically even if there are no requests coming from client machines.

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  • Attribute & Reflection libraries for C++?

    - by Fabian
    Most mature C++ projects seem to have an own reflection and attribute system, i.e for defining attributes which can be accessed by string and are automatically serializable. At least many C++ projects I participated in seemed to reinvent the wheel. Do you know any good open source libraries for C++ which support reflection and attribute containers, specifically: Defining RTTI and attributes via macros Accessing RTTI and attributes via code Automatic serialisation of attributes Listening to attribute modifications (e.g. OnValueChanged)

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  • How do I provide basic configuration for a Scala application?

    - by Dave
    I am working on a small GUI application written in Scala. There are a few settings that the user will set in the GUI and I want them to persist between program executions. Basically I want a scala.collections.mutable.Map that automatically persists to a file when modified. This seems like it must be a common problem, but I have been unable to find a lightweight solution. How is this problem typically solved?

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  • Sessions enabled - do we have to clean them up ourselves?

    - by user246114
    Hi, When we turn sessions on in google app engine like: // appengine-web.xml <sessions-enabled>true</sessions-enabled> does app engine automatically clean up expired sessions, or do we have to do it ourselves? After turning them on, I see in the datastore that some entries are being generated like _ah_session, I'm wondering if those are them? Thanks

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  • Insert space after autocompletion in Android

    - by Leafsoft
    Hello, I'm an Android developer and when my apps summon the keyboard, choosing an option in the autocompletion menu inserts the chosen word but not a space after it. Is there a way to make a space appear automatically I trigger autocompletion? Thank you in advance.

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  • Javascript auto calculating with (+) and (-)

    - by Josh
    I need some help finding the error in my javascript calculation. I need to calculate the sum of my input boxes automatically and have my user be able to edit the calculation using + or - buttons. The code I have already does the calculation automatically if you manually enter the numbers, but pressing the + or - does not change the calculation. Here is the code: <html> <head> <script language="javascript"> function Calc(className){ var elements = document.getElementsByClassName(className); var total = 0; for(var i = 0; i < elements.length; ++i){ total += parseInt(elements[i].value); } document.form0.total.value = total; } function addone(field) { field.value = Number(field.value) + 1; } function subtractone(field) { field.value = Number(field.value) - 1; } </script> </head> <body> <form name="form0" id="form0"> 1: <input type="text" name="box1" id="box1" class="add" value="0" onKeyUp="Calc('add')" onChange="updatesum()" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box1);"> <input type="button" value=" - " onclick="subtractone(box1);"> <br /> 2: <input type="text" name="box2" id="box2" class="add" value="0" onKeyUp="Calc('add')" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box2);"> <input type="button" value=" - " onclick="subtractone(box2);"> <br /> 3: <input type="text" name="box3" id="box3" class="add" value="0" onKeyUp="Calc('add')" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box3);"> <input type="button" value=" - " onclick="subtractone(box3);"> <br /> <br /> Total: <input readonly style="border:0px; font-size:14; color:red;" id="total" name="total"> </form> </body></html> Im sure the issue must be small, I just cant put my finger on it.

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  • How to get final destination URL from AJAX?

    - by Maurice Lam
    When I do an XMLHttpRequest, I always get redirected automatically to the URL (presumably by the headers of the response). For example, if I query "http://www.stackoverflow.com" I will be redirected to "http://stackoverflow.com". How can I get that final URL? (http://stackoverflow.com/ in the example) I checked in the response headers but I cannot seem to find it. (I just used the GET/POST method not HEAD).

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  • Does UNIQ constraint mean also an index on that field(s)?

    - by Gremo
    As title, should i defined a separate index on email column (for searching purposes) or the index is "automatically" added along with UNIQ_EMAIL_USER constraint? CREATE TABLE IF NOT EXISTS `customer` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `first` varchar(255) NOT NULL, `last` varchar(255) NOT NULL, `slug` varchar(255) NOT NULL, `email` varchar(255) NOT NULL, `created_at` datetime NOT NULL, `updated_at` datetime NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `UNIQ_SLUG` (`slug`), UNIQUE KEY `UNIQ_EMAIL_USER` (`email`,`user_id`), KEY `IDX_USER` (`user_id`) ) ENGINE=InnoDB;

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  • #include headers in C/C++

    - by Carlos
    After reading several questions regarding problems with compilation (particularly C++) and noticing that in many cases the problem is a missing header #include. I couldn't help to wonder in my ignorance and ask myself (and now to you): Why are missing headers not automatically checked and added or requested to the programmer? Such feature is available for Java in Netbeans for example.

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  • How do I upload a file when I know the client's filepath?

    - by GJTorikian
    I'm interested in the way Sonic Living detects your iTunes library XML file. It prompts the user to approve its actions, then automatically uploads the XML file based on the client OS (and assuming the default installation path of iTunes). How the heck does it do that? None of the upload libraries I've looked at have this feature. They all assume that a user will click "Select file..." then browse around for the right thing to upload.

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  • I want Domain Login in my web application

    - by reply2viveksshah
    i am developing web based HRIs application which is to be deployed on intranet and for dat m using Frontend : jsp/servlets Backend : Oracle Application Server : Tomcat in my web application i want domain login which means by tracing currently logged in user he should automatically logged in my web application pl give me the possible solution Thanks in Advance

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  • Wicket @SpringBean doesn't create serializable proxy

    - by vinga
    @SpringBean PDLocalizerLogic loc; When using above I receive java.io.NotSerializableException. This is because loc is not serializable, but this shouldn't be problem because spring beans are a serializable proxies. On the page https://cwiki.apache.org/WICKET/spring.html#Spring-AnnotationbasedApproach is written: Using annotation-based approach, you should not worry about serialization/deserialization of the injected dependencies as this is handled automatically, the dependencies are represented by serializable proxies What am I doing wrong?

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  • SSIS Permissions issue

    - by Dave
    Hi All, How can we set permissions for users to only allow them to download SSIS packages from the production server and but deny them permissions to run any package in the Server. http://msdn.microsoft.com/en-us/library/ms141053(SQL.90).aspx If i assign users to any of the DB roles db_dtsadmin, db_dtsltduser, and db_dtsoperator they will automatically have permission to run the package. Appreciate your inputs. Thanks!

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  • Make a collection with movies

    - by Dimitar Vouldjeff
    Hello, I need to make a collection with a lot of movies, but I was wandering if there is something like API or other method to make that database automatically? I will be using Ruby on Rails, but if there is a useful and fast tool, I will use it. Thank you.

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