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  • Dynamicall Rendering in a Scrollable Area

    - by James
    What is the generic algorithm or process that is commonly used to dynamically render portions of a scrolling area? For example, in Google Maps, when the user scrolls past the bounds of the currently rendered area, a grey checkerboard pattern is displayed within the not-yet-rendered portions while the application loads and renders those areas. I'm looking specifically for the approach, or the mathematics, related to filling a graphics area in chunks based on what has just come into view. If possible, I'm looking for anything relevant to the GDI+ process of doing so.

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  • How should I do a loop a nokogiri search in ruby?

    - by kim
    I have the following that I retreive the title of each url from an array that contains a list of urls. require 'rubygems' require 'nokogiri' require 'open-uri' @urls = ["http://google.com", "http://yahoo.com", "http://rubyonrails.org"] @found_titles = Array.new @found_titles[0] = Nokogiri::HTML(open("#{@urls[0]}")).search("title").inner_html #this can go on forever...but #@found_titles[1] = Nokogiri::HTML(open("#{@urls[1]}")).search("title").inner_html #@found_titles[2] = Nokogiri::HTML(open("#{@urls[2]}")).search("title").inner_html puts "#{@found_titles[0]}" How should i form a loop method for this so i can get the title even when the list in @url array gets longer.

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  • Finding databases for use in applications

    - by JonF
    Does anyone have some recommendations on how I can find databases for random things that I might want to use in my application. For example, a database of zip code locations, area code cities, car engines, IP address locations, or whatever. I'm just asking generally when you decide you need a bunch of data where are some good places to start looking other than google?

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  • ASP.NET : Tracking Unique page visits/views

    - by Shyju
    I have an ASP.NET application where View.aspx page will display the details of each products in a shopping cart.The page displays dynamic data(Ex: For each product id,the content will be different).Now i want to track the unique page views of each product.What are the best solutions to approach this problem ? I am already using google analytics.But i wanna custom solution for my web ap,so that i can know how many hits came for each product

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  • regular expression for challenge value

    - by Salman
    Hi what will be the regular expression to extract challenge var value i am interested in this vlaue 03AHJ_Vut9LJLOJuCsjF9PbSSMncTyUe7Y4dHX11eRLae3LGfDZ0hSfDR7jZq2ZrKJxyC-LRSSppv72oHKaQMsd-EnoVNL6p7liTh7siN26zzTA_E2rcC_JQ15613Azz4qm8HjPtAyksUdc7QZydszwolk92hBPrAAig this value changes every time we refresh it so the expression has to be generic enough to pick up what ever is the value var RecaptchaState = { site : '6LeKCL8SAAAAADV5Dr-lfY2eOEV8rubeN25BAKp2', challenge : '03AHJ_Vut9LJLOJuCsjF9PbSSMncTyUe7Y4dHX11eRLae3LGfDZ0hSfDR7jZq2ZrKJxyC-LRSSppv72oHKaQMsd-EnoVNL6p7liTh7siN26zzTA_E2rcC_JQ15613Azz4qm8HjPtAyksUdc7QZydszwolk92hBPrAAig', is_incorrect : false, programming_error : '', error_message : '', server : 'http://www.google.com/recaptcha/api/', timeout : 18000}; any help will be appreciated, or any method to extract this value in any server side lang

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  • How to setup network for Android Honeycomb in VirtualBox?

    - by IHawk
    I have been trying to setup Android Honeycomb (3.2) with VirtualBox according to this tutorial: http://androidspin.com/2011/01/24/howto-install-android-x86-2-2-in-virtualbox/ but using this iso instead: http://code.google.com/p/android-x86/downloads/detail?name=android-x86-3.2-RC1-tegav2.iso&can=2&q When I type netcfg if gives me: 127.0.0.1/8, so apparently it is not connecting in the network. I tried setting the network to NAT and Bridge, but no results.. Is there anything I am missing?

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  • Latex: Make \listoffigures look like \listoftables or \lstlistoflistings

    - by Aetius
    I've got a list of listings at the end of my document following my list of tables and my list of figures. The thing that is really annoying me is that they look the same except the list of listings doesn't leave a line gap between chapters. I've had a good google around and people have asked the same question but don't seem to have had any response. Is their any reason why they don't look the same and it be made to look concise?

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  • Can't get GetModuleFileNameA to work, keep getting error 'missing type specifier...'

    - by flavour404
    Hi, I am trying to use 'GetModuleFileNameA' but I keep getting the error 'c4430: missing type specifier - int assumed'. From reading the results from my google search I am guessing that it is from my use of NULL: char Filename[MAX_PATH]; //this is a char buffer GetModuleFileNameA(NULL, Filename, sizeof(Filename)); NULL is supposedly defined in #include stdio.h which I have included in my project, what am I doing wrong? Thanks.

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  • Android - Declarative vs Programmatic UI

    - by Steve
    Has anyone seen or compiled benchmarks comparing declarative (XML) versus programmatically created UI's in Android? There are things that Google has done to speed up the declarative approach, but you still do have the layout inflation step done at runtime. Have you ever switched (or considered) changing your UI from declarative to programmatic for any reason?

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  • looser throw specifier for in C++

    - by ML
    I am getting an error that says: error: looser throw specifier for 'virtual CPLAT::CP_Window::~CP_Window()' On the destructor, I have never heard of this before and some Google Searches say this might be a GCC 4 problem, which I would not be sure how to work around since I need GCC 4 to build a Universal Binary. My Environment: OS X 10.6, XCode 3.2.2, GCC 4 to build a universal binary. What is the issue?

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  • How to exit an air application from an actionscript library?

    - by Vincen Collins
    I am trying the following but every once in awhile the nativeApp is not defined. var nativeApp:Object = getDefinitionByName("flash.desktop.NativeApplication"); nativeApp.nativeApplication.exit(); I am confused why sometimes getDefinitionByName("flash.desktop.NativeApplication") resolves and other times it does not. I am trying to resolve this problem to address the following issue in flexcover - http://code.google.com/p/flexcover/issues/detail?id=33

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  • RAII tutorial for c++

    - by Joe Bloggs
    Hi. I'd like to learn how to use RAII in c++. I think I know what it is, but have no idea how to implement it in my programs. A quick google search did not show any nice tutorials. Does any one have any nice links to teach me RAII?

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  • Accessing the "super of this" in Java

    - by gerdemb
    This is what I'm doing now. Is there a better way to access the super class? public class SearchWidget { private void addWishlistButton() { final SearchWidget thisWidget = this; button.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { // A better way to access the super class? // something like "this.super" ...? workWithWidget(thisWidget); } } } } I'm programming with Google Web Toolkit, but I think this is really a generic Java question.

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  • htaccess redirect when there is a space in url

    - by Mahsa Teimourikia
    I want to redirect from a old url which still appears in the google search to the new one. the old url is this: http://www.marionettecolla.org/file%20_mostra_milano/mostra_marionette-milano.htm and I want to redirect it to the home page: http://www.marionettecolla.org/ I used this in my .htaccess: Redirect http://marionettecolla.org/file\ _mostra_milano/mostra_marionette-milano.htm http://marionettecolla.org/ but I am getting Error 500... Does anybody know how to solve this problem?

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  • Sanitize file_get_contents

    - by Luis
    I want to use file_get_contents to implement a proxy so I can do ajax cross domain requests. Querystring will be used to supply the URL to file_get_contents. Now the problem is people can muck around with the qurystring in order to read local files on the server. I dont wnat this. Can someone get me a function to sinitize the querystring in order only to accept urls and not local files: ie: ?url=http://google.com.au - OK ?url=./passwords.txt - Not OK

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  • Dependency Property In WPF/SilverLight

    - by Asim Sajjad
    I have searched on google about how to get started with the dependency property used in WPF/silverlight but didn't get any idea of the dependency property, can any one tell me about it , from beginner point of view, so that I get some idea about it and use it in my project thanks in advance.

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  • Simple oracle backup without using exp or expdp

    - by Jacob
    I have Oracle 10g installed on Windows in C:\oracle. If I stop all Oracle services, is it safe to backup by just copying the entire directory (e.g., to C:\oracle_bak), or am I significantly better off using expdp? Pointers to docs/websites very welcome, I wasn't able to Google up anything relevant.

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  • PHP MySQL JavaScript or AJAX Image Slideshow

    - by medoix
    Hi all, i have searched Google and also searched Stack Overflow to no avail. I am looking for a PHP / MySQL driven dynamic image slideshow. One similar to 'lightcyclers.com', i have information stored in the DB and i just want to display random or popular content etc. I am also not interested in coding one myself as i am busy working on other features. Any links or help would be much appreciated.

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