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  • Qt releasing memory occopied by unneeded images

    - by Gerhman
    I have a QML Flickable with 3 QML image elements that cycle through 8 image files. My problem is for each new image it loads into memory it does not release the the unused image. This is causing memory usage to become double what is necessary at times. I would like to know if there is some function I can use to force it to unload all the unused images? If it makes a difference, this is mainly for Symbian.

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  • Video recording in iPhone

    - by Timmi
    Hi, How can i get the video stream from the iPhone camera. I am working to stream live video from the iPhone. How can i do this. Ustream app is doing this. Does any body know how Ustream app stream video. Are they using UIGetScreenImage() method to get live images. If so how we can mix audio to the images and make video stream. If any one have any idea regarding Streaming video from iPhone Please share. Thanks,

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  • How to replicate Google "Hangouts On Air" stream combining functionality?

    - by Rob Olmos
    I've been researching this one for quite a bit but haven't found any solid leads. I have a Wowza/Flash app with video chatroom functionality and would like to combine the streams server-side into one video/audio stream in order to be sent to a live Youtube channel. I've found a couple projects such as jMixer and some helpful keywords such as "vision mixer" to help with my search but looking for any previous experience or new ideas. The other option is building something like it myself with a commercial video decoding/encoding library to raw frames, stitching the frames together, then encoding it. I was originally going down this route but put project on hold. What are some ideas, keywords, or existing software (open source preferred) to take those live streams and combine them into one in real-time? Or is coding it myself the required route? Thanks!

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  • T-SQL - Is there a (free) way to compare data in two tables?

    - by RPM1984
    Okay so i have table a and table b. (SQL Server 2008) Both tables have the exact same schema. For the purposes of this question, consider table a = my local dev table, table b = the live table. I need to create a SQL script (containing UPDATE/DELETE/INSERT statements) that will update table b to be the same as table a. This script will then be deployed to the live database. Any free tools out there that can do this, or better yet a way i can do it myself? I'm thinking i probably need to do some type of a join on all the fields in the tables, then generate dynamic sql based on that. Anyone have any ideas?

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  • How can I setup a flexible local web development environment I can easily sync with a production, Amazon AWS based environment?

    - by user607057
    I'm running on an OS X environment and would like to create a flexible web development environment locally... including the option to run on an Nginx server for my PHP-based application. At the end of the day (or, development cycle), I'd like to be able to hit a switch and have it all sync over to Amazon AWS hosting (EC2, S3) - instances, databases, files, configurations, and all. Are there any simple ways to do this?

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  • Can I user a layout on the android to render just part of an image at a time?

    - by gamernb
    I have an image file that has all the character sprites that I will be using in a game, and I want to make a layout that will allow the user to cycle through each image to be able to pick which one they want. So, I have one large image, and I need to render just a small (32 x 32) section of it at a time. Is that possible with the layouts or will I have to use a canvas, and manually do most of this?

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  • Hiding part of a page from Search Server 2010 Express

    - by Jonathan
    I'm working on a soon-to-be-public-facing site, and we want to have our search live on day 1, and want it to be searchable but non-public during testing, so we're planning to use something whose crawling we can control -- Search Server 2010 Express. However, if I search for something in my top navigation bar, I get nearly every page as a hit. It kinda makes sense, as every page has that content, but it's completely irrelevant on most pages. I want it to crawl through my navigation, but ignore the text within the navigation for search results. I was hoping that it'd just figure that out on it's own (the HTML for the top nav is static), but it's apparently not. Is there some standard thing I can put in my HTML that will achieve the effect I'm going for? On a side note: when I go live, will I have the same problem with public search engines, or do they tend to be smarter?

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  • How to treat 64-bit words on a CUDA device?

    - by pikkio
    Hi, I'd like to handle directly 64-bit words on the CUDA platform (eg. uint64_t vars). I understand, however, that addressing space, registers and the SP architecture are all 32-bit based. I actually found this to work correctly (on my CUDA cc1.1 card): __global__ void test64Kernel( uint64_t *word ) { (*word) <<= 56; } but I don't know, for example, how this affects registers usage and the operations per clock cycle count.

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  • jQuery - Using .one() with hover

    - by Jared
    Is there any way to get a hover function to only execute once? This is what I'm currently trying: $('#ask').live('hover', function() { $('#homesearch-after').hide(300); $.doTimeout( 300, function() { hideClosedSearchLink(); showHomeSearch(); }); }); But that's not working. How can I only get this hover to activate once? I've tried changing .live with .one and .bind... resulting in nothingness.

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  • SQL To Filter A SubSet Of Data

    - by Nick LaMarca
    I have an arraylist that holds a subset of names found in my database. I need to write a query to get a count of the people in the arraylist for certain sections i.e. There is a field "City" in my database from the people in the arraylist of names I want to know how many of them live in Chicago, how many live in New York etc. Can someone help me how I might set up an sql statement to handle this. I think somehow I have to pass the subset of names to sql somehow.

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  • refactor this javascript code

    - by nathanvda
    I have two click-events, that are nearly similar, but not quite. I am wondering how to refactor them best: $('.remove_fields.dynamic').live('click', function(e) { var $this = $(this); var after_removal_trigger_node = $this.closest(".nested-fields").parent(); trigger_removal_callback($this); e.preventDefault(); $this.closest(".nested-fields").remove(); trigger_after_removal_callback(after_removal_trigger_node); }); $('.remove_fields.existing').live('click', function(e) { var $this = $(this); var after_removal_trigger_node = $this.closest(".nested-fields").parent(); trigger_removal_callback($this); e.preventDefault(); $this.prev("input[type=hidden]").val("1"); $this.closest(".nested-fields").hide(); trigger_after_removal_callback(after_removal_trigger_node); }); As you can tell there is a fair bit of overlap. I am wondering what the best/nicest way would be to refactor this code.

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  • nested sql statements

    - by Hadad
    Hello, I've a self join table when I delete or update it's id I want to delete or update all the direct and indirect affected records SQL server does not allow this type of cycle cascading I've decided to use triggers but this triggers will file recursively and they will be terminated at 34 level and I don't know the depth of records and event I disable the trigger and re enable it after completing the process how can I construct a SQL statement that achieve this logic?

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  • PHP: How to begin testing large, existing codebase, and test for regression on production site?

    - by anonymous coward
    I'm in charge of at least one large body of existing PHP code, that desperately needs tests, and as well I need some method of checking the production site for errors. I've been working with PHP for many years, but am unfortunately new to testing. (Sorry!). While writing tests for code that has predictable outcomes seems easy enough, I'm having trouble wrapping my head around just how I can test the live site, to ensure proper output. I know that in a test environment, I could set up the database in a known state... but are there proper methods or techniques for testing a live site? Where should I begin? [I am aware of PHPUnit and SimpleTest, but haven't chosen one over the other yet]

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  • Keyup attribute 'name' change not working

    - by dclowd9901
    Hey guys, I've got what I imagine is a simple question, but for some reason, I can't get it working right. Expected Behavior: I type characters into a field, and, through a function, those characters are translated into the value of the name HTML attribute. Actual Behavior: Reflected in Firebug, the value doesn't change or update. The Code: $('input').live('keyup', function() { var name_value = $(this).val().toLowerCase(); $(this).attr('name', name_value); }); Just a side note: I'm using .live() because the element can be cloned, and those clones need to also be able to take on the properties of this .keyup event. Any ideas?

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  • .NET coupled with MATLAB or R?

    - by Peter
    I'm writing a program in .NET that will need to utilize the statistical and data analysis functions of R or MATLAB. I have used R but am now contemplating moving to MATLAB since it has a .Net compiler while R can only interface via COM objects. Can anyone recommend going either way? I know MATLAB is infinitely more expensive than R (since R is free) but I'm thinking that may translate to an easier development cycle?

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  • Batch save in CastleProject ActiveRecord

    - by Alex
    I need to save thousand of records in a database. I am using CastleProject ActiveRecord. The cycle which stores that amount of objects works too long. Is it possible to run saving in a batch using ActiveRecord? What is recommended way to improve performance?

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  • APC on Windows makes server terminate connection

    - by vanneto
    Hello. I have a slight problem and cannot for the life of me figure out what is happening. I am running a Linux machine on a server with APC enabled. Everything works fine. Now when I enable APC on Windows the server starts terminating the connection. You know, the "Site currently unavailable" message Firefox spits out. I tried the access logs, error logs and there is nothing there to indicate an error. How could APC influence on a server like this? BTW: I have a CMS on my local server/live server. On the live server it works great with APC. On the dev server the connection terminates. The strange thing is, simpler scripts execute just fine. The CMS is using CakePHP. Any help would be very appreciated.

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  • Force Page initialization

    - by Tony
    Hi The following code is not causing Page_Load of PhotoList to be called. I want the control to be initialized as if it is in normal Page live cycle, what I should do. Page pageHolder = new Page(); UserControl viewControl = (UserControl)pageHolder.LoadControl("Common/PhotoList.ascx"); pageHolder.Controls.Add(viewControl);

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  • Button stops working after loading div via ajax

    - by asovgir
    I have two divs on the page: main div and secondary, which loads a separate html page using ajax. All the links within the main div trigerred by a click event continue to work correctly and reference the appropriate content, but none of the jquery outside this div works (such as the navigation). Here's my jQuery: var url; $('.main a').live('click',function() { url = $(this).attr('href'); $('.secondary').load(url); return false; }); Can anyone help me why this isn't working? I think I am supposed to trigger a callback event but I am not sure how to do so. I know this question has been asked multiple times already (usually suggesting to use .live() or .on()), but none of those solutions seemed to work for me.

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