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Search found 25440 results on 1018 pages for 'agent based modeling'.

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  • What's the best practice in case something goes wrong in Perl code?

    - by Geo
    I saw code which works like this: do_something($param) || warn "something went wrong\n"; and I also saw code like this: eval { do_something_else($param); }; if($@) { warn "something went wrong\n"; } Should I use eval/die in all my subroutines? Should I write all my code based on stuff returned from subroutines? Isn't eval'ing the code ( over and over ) gonna slow me down?

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  • input box gets cleared on refresh page : javascript

    - by p p
    Hi, I have a javascript function that writes the value of input box to a cookie, then it tells the page to refresh. The page must be refreshed to the server side can reconstruct the page based on the values of the cookies. Output the correct data on the page. However I do not want the user to lose the value they type on the input box unless they erase it. what can i do?

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  • Esyndicat usage

    - by Noam
    Hello group, I am helping out a friend with setting up a web site based on eSyndicat. Is anyone here using this platform, can questions be asked here for it? If not, can you recommend a good place for that.

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  • Setting the value of textboxes with one of their attributes (jQuery)

    - by Jimbo
    I have a bunch of input text boxes that have the attribute ORIGINAL set to their initial value, so that when the user changes the textbox value, jQuery can highlight items that have changed (by comparing the text box's current value to the ORIGINAL attribute's value) What Im trying to do now is provide the user with a button that they can click to revert all text boxes back to their original values based on the value of the ORIGINAL attribute of each text box. Example $('input[type=text]').val($(this).attr('original')); The above doesnt work and I dont understand why.

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  • From a Java programming perspective, what difference does multicast make to a networking program?

    - by pnut butter
    My manager has asked me to assess what changes would be required to add multicast support to a socket-based TCP/IP networking program that is part of a trading system. As far as I can tell, from the perspective of a Java program, it doesn't seem to matter too much whether the program is unicast or multicast. Doesn't the Java networking API make all of this transparent? By this I mean, wouldn't the change be a simple one of simply adding additional destinations for the outgoing connections?

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  • POST and redirect in Wordpress

    - by agh
    With Wordpress based function: $response = wp_remote_post() I can POST data and retrieve the body of the POST page in $response-body But how can I POST and redirect the user to the post page? It's not an option to create Form page and Submit button because I'm trying to create a plugin for Group buying plugin in Wordpress. It is also not an option to use GET, because the "destination" POST page will not allow data in the URL. Please help me !

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  • Operating System Development

    - by j-t-s
    Hi All I'm looking for any website(s) devoted and/or related to Operating System Development, and would love for you to kindly share any links you may have. I have searched myself, but keep winding up at the same old sites, and am wondering if there are others that just don't get noticed by the major search engines or something. I've put this as a community wiki, simply because I don't think it's very fair to judge an answer based on a single link. Thank you.

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  • Search images using c# in local images folder

    - by np
    We have a images folder which has about a million images in it. We need to write a program which would fetch the image based upon a keyword that is entered by the user. We need to match the file names while searching to find the right image. Looking for any suggestions. Thanks N

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  • performance: jquery.live() vs. creating specific listeners on demand?

    - by Haroldo
    I have a page with news item titles, clicking each one ajax loads a full news items including a photo thumbnail. I want to attach a lightbox to the thumbnails to show a bigger photo. I have two options (i think): .live() . $('img .thumb').live('click', function()) add a specific id based listener on callback of the news item click . $('div.news_item').click(function(){ var id = $(this).attr('id'); //click show_news_item(), //callback function(){$(id+' .thumb').lightbox();} })

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  • spliting the string

    - by prince23
    hi, i have an string like this string strdate =@"5/2/2006"; which is in a form of month/day/year i need to display it in a form of like this 02-05-2006 how do i format the data like this if the value is like this 12/28/2005 it should be displayed like this 28-12-2010 i know we should be splitting the data based on that we should do it. i am not getting the syntax how to do it . any help would be great

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  • code to idetntify the number

    - by [email protected]
    Hi All, I got one problem while doing one TAPI application based project in C#. I'm using ITAPI3.dll My problem is.. i'm not getting incoming call information. To get the incoming call information, i'm using getcallinfo function. but it is showing empty message.

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  • Does GCC have a built-in compile time assert?

    - by VladLosev
    Our existing compile-time assert implementation is based on negative array index, and it provides poor diagnostic output on GCC. C++0x's static_assert is a very nice feature, and the diagnostic output it provides is much better. I know GCC has already implemented some C++0x features. Does anyone know if static_assert is among them and if it is then since what GCC version?

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  • Suggestions related to Android final application?

    - by UMMA
    dear friends, i have completed my First android application and i have deployed that application to different android based mobile phones which is working fine. my question to you is, is there iphone store like thing exists in android to upload your application by paying fee to android store or something like that.. or nothing or should i start passing my application to end users directly? any help would be appriciated.

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  • Storing images above or below the web root?

    - by JGDev
    I'm working on a web app where users can upload images which are associated with their account. I'm trying to figure out the best way to store these images in the filesystem taking into account organization and security. I'm using a JavaScript-based file uploader which has to save the images within the web root, but I'm wondering if it would be better to move the images above the web root for better security? Any thoughts on the matter would be appreciated.

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  • before_filter with dynamic information

    - by Lauren
    Hi I am trying to add a filter to a controller that is based on a certain role (using role_requirement) and then on the company_id that each user has. So basically I need something like this: require_role "company" ** This is working fine before_filter :company_required def company_required unless current_user.company_id == Company.find(params[:id]) end end The error I am receiving undefined method `company_id' for nil:NilClass I would appreciate any guidance. Thanks

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