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• Can we say that virtual function(Polymorphism) is for comfort(ease of handling) as Templates are??

  - by Narek

  For example concept of Templates in C++ are for comfort as compiler generates some additional code, for your class or for your function, isn't it? So we could live without template by doing some additional (manual work). What about virtual functions??? Are there any situations where both of them are irreplaceable?

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• how to compare two element in jquery

  - by zjm1126

  var a=$('#start > div:last-child'); var b=$('#start > div.live')[0]; alert(a==b) alert(a==$(b)) it always false, how to compare two element in jquery, thanks

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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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• Use jQuery to Enable/Disable a Button based on vars

  - by Rylea S.

  Ok so, Im using jQuery to do username and email checks before a signup... this sets a variable true or false depending on the response from php. $(document).ready(function() { if (usr_checked == true) { if (em_checked == true) { $("#registerbttn").removeAttr("disabled"); …

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• Update Label text from XML

  - by kpk77

  Hi, I have an XML will is parsed and then fed to a bunch of Labels. I am trying to add a live element so that the labels refresh automatically from the XML. From what I've read this is possible using a tableView and [tableView reloadData] but the design dictates the use of labels. At the moment the labels only get updated on restarting the app,…

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• Mercurial vs Subversion. Whose performance is better?

  - by Chicago

  There are a lot of articles about SVN vs. Hg in general. I would like to concentrate only on performance. Real-live experiences preferred. Here is my set-up: (future setup) Windows with IIS fro Hg (current setup) SVN 1.3.2 on top of apache under windows I would like to have statistics for most commons operations (commits, stats, local/remote…

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• What are some good programming careers outside the business world?

  - by JimDaniel

  I'm tired of working in business, where everything is about money and the bottom line, although I do understand it's the bottom line that pays my salary. :-) Are there any good, and attainable, programming jobs outside the business world? How do you find them? It seems like all the jobs I see advertised are related to business (I live in Atlanta,…

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• Why Pointers in C++?

  - by viswanathan

  Why do we actually need pointers in C++. Why can we just live with Arrays? Or is it really powerful in the case of data structures like linked lists and binary trees.

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• why doesn't focus() work in the following line of jquery?

  - by jela

  The following code is intended to check if 4 numbers are entered in the blurred field. If not, the field value is deleted, and the field is focused. The deletion works fine, but the the call to focus() does not work. $('input.dateValue').live('blur',function(event){ if (!(/(\d){4}$/.test($(this).attr('value'))))…

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• writing javascript div in html

  - by user333060

  i have put in my source code to show live twitter search result on my webpage. Although it shows the search result but when i open the source code of my webpage it don't shows the tweets text in my source code.iT DYNAMICALLY LOADS IT I GUESS. iS there a way out to fetch the content of div and write it with some…

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• mysql: reversed content col for LIKE '%foo' - good practise?

  - by Haroldo

  I was recently watching a google lecture on mysql and learnt that MySQL wont use indexes for LIKE '%foo' searches. My site's 'live search' (ajax search) searches the column full_details(TEXT), should i create a reversed version like full_details_rev(TEXT) and index that? Or should i not index large text fields…

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• Windows Azure: Import/Export Hard Drives, VM ACLs, Web Sockets, Remote Debugging, Continuous Delivery, New Relic, Billing Alerts and More

  - by ScottGu

  Two weeks ago we released a giant set of improvements to Windows Azure, as well as a significant update of the Windows Azure SDK. This morning we released another massive set of enhancements to Windows Azure.  Today’s new capabilities include: Storage: Import/Export Hard Disk Drives to your Storage…

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• Windows Azure Use Case: Agility

  - by BuckWoody

  This is one in a series of posts on when and where to use a distributed architecture design in your organization's computing needs. You can find the main post here: http://blogs.msdn.com/b/buckwoody/archive/2011/01/18/windows-azure-and-sql-azure-use-cases.aspx  Description: Agility in this context is…

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• Adobe Photoshop CS5 vs Photoshop CS5 extended

  - by Edward

  Adobe Photoshop has been an industry standard for most web designers & photographers worldwide. Photoshop CS5 has made photography editing much more refined and the composition process has become much easier than ever before.  To study the advantage of Photoshop CS5 extended…

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• Problems with 3D Array for Voxel Data

  - by Sean M.

  I'm trying to implement a voxel engine in C++ using OpenGL, and I've been working on the rendering of the world. In order to render, I have a 3D array of uint16's that hold that id of the block at the point. I also have a 3D array of uint8's that I am using to store the visibility data for that point,…

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• OpenGL Fast-Object Instancing Error

  - by HJ Media Studios

  I have some code that loops through a set of objects and renders instances of those objects. The list of objects that needs to be rendered is stored as a std::map, where an object of class MeshResource contains the vertices and indices with the actual data, and an object of classMeshRenderer defines…

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• Weird networking problem ( Linksys, Windows 7 )

  - by Rohit Nair

  Okay it's a bit tough to figure out where to start from, but here is the basic summary of the issue: During general internet usage, there are times when any attempt to visit a website stalls at "Waiting for somedomain.com". This problem occurs in Firefox, IE and Chrome. No website will load,…

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• Intermittent 404 on select assets, LAMP stack

  - by Tom Lagier

  We have a LAMP stack WordPress server that is serving most assets correctly. However, one plugin's CSS file and several images are returning soft 404s roughly 20% of the time. I can't find any reference to the 404 in the access logs, but the browser is definitely receiving a 404 response from…

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• what is the best mid/high-end class audio/music creation audio sound card?

  - by Chris

  Hello, I have a computershop myself, and I repair computers. But one of the things I really don't know (yet) is the performace od audio cards for music creation with midi. I have searched and searched and came up with some good reviews, but after browsing for a couple of hours I could't see…

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• ubuntu mount iso but some files are unreadable

  - by Chao

  I'm new to Linux and just installed ubuntu 12.04 amd64 this month. I had failed installing Texlive with texlive2012 iso image. I used the recommended command to mount: "mount -t iso9660 -o ro,loop,noauto /your/texlive2012.iso /mnt " But the installer failed to read some file. The iso is…

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• OCR anything with OneNote 2007 and 2010

  - by Matthew Guay

  Quality OCR software can often be very expensive, but you may have one already installed on your computer that you didn’t know about.  Here’s how you can use OneNote to OCR anything on your computer. OneNote is one of the overlooked gems in recent versions of Microsoft Office. …

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• Installing Lubuntu 14.04.1 forcepae fails

  - by Rantanplan

  I tried to install Lubuntu 14.04.1 from a CD. First, I chose Try Lubuntu without installing which gave: ERROR: PAE is disabled on this Pentium M (PAE can potentially be enabled with kernel parameter "forcepae" ... Following the description on https://help.ubuntu.com/community/PAE, I…

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• I have finally traded my Blackberry in for a Droid!

  - by Bob Porter

  Over the years I have used a number of different types of phones. Windows Mobile, Blackberry, Nokia, and now Android. Until the Blackberry, which was my last phone (and I still have one issued from my office) I had never found a phone that “just worked” especially with email and…

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• Week in Geek: US Govt E-card Scam Siphons Confidential Data Edition

  - by Asian Angel

  This week we learned how to “back up photos to Flickr, automate repetitive tasks, & normalize MP3 volume”, enable “stereo mix” in Windows 7 to record audio, create custom papercraft toys, read up on three alternatives to Apple’s flaky iOS alarm clock, decorated our desktops…

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• How To Skip Commercials in Windows 7 Media Center

  - by DigitalGeekery

  If you use Windows 7 Media Center to record live TV, you’re probably interested in skipping through commercials. After all, a big reason to record programs is to avoid commercials, right? Today we focus on a fairly simple and free way to get you skipping commercials in no time.…

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