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• How should I handle pages that move to a new url with regards to search engines?

  - by Anders Juul

  Hi all, I have done some refactoring on a asp.net mvc application already deployed to a live web site. Among the refactoring was moving functionality to a new controller, causing some urls to change. Shortly after the various search engine robots start hammering the old urls. What is the right way to handle this in general? Ignore it? In time the SEs should find out that they get nothing but 400 from the old urls. Block old urls with robots.txt? Continue to catch the old urls, then redirect to new ones? Users navigating the site would never get the redirection as the urls are updated through-out the new version of the site. I see it as garbage code - unless it could be handled by some fancy routing? Other? As always, all comments welcome... Thanks, Anders, Denmark

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• FreeBSD or NetBSD based commercial TCP/IP stack vendor?

  - by Vineet

  Hi - Receiving recommendations for commercial TCP/IP stack implementation based on FreeBSD or NetBSD. Requirements are similar to a typical desktop PC running a browser, email and streaming voice/video. Which is to say a rich network functionality for a end-host type of device with mature implementation and reasonable performance. BSD derived network stacks are deployed in wide variety of situations for years and hence have mature implementation. It's supposed to run on a proprietary RTOS. Most vendors I found don't advertise if their stack is based on BSD. Any recommendations? -- Vineet

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• RSA encryption results in server execution timeout

  - by Nilambari

  Hi, I am using PHP Crypt_RSA (http://pear.php.net/package/Crypt_RSA) for encrypting and decrypting the contents. Contents are of 1kb size. Following are the results: keylength = 1024 Encryption function takes time: 225 secs keylength = 2048 Encryption function takes time: 115 secs I need to reduce this execution time as most of the live apache servers have 120 sec limit for execution time. How to reduce this execution time? RSA alorithm docs says the only 1024 - 2048 keys are generated. I ACTUALLY tried to generate larger key, but it always results in execution timeout. How do i work on reducing encryption - decryption execution time? Thanks, Nila

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• Why does IE8 change flash callback function into object?

  - by Christian Hollbaum

  Hi Guys I have put 2 swf's (using swfobject 2) on the same website; One for playing a movie, and one for controlling the movie (I want to position them seperately, so they can't be in the same swf). I'm doing the communication between the two using javascript with jQuery, and externalcallback functions in both swf's. Everything is running smoothly on all browsers, but IE8. In IE8 I can only call the pause callback function in the control swf once. When it has been called it will not run properly the next time. After trying to debug what is happening live, using javascript's "type of" I have found that IE8 changes the callback function on the flash object from a function into an object when it has been triggered. Can anyone explain why this is happening? .. and maybe suggest how to avoid this? .. or change the object back to a function?

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• Javascript timers

  - by resopollution

  I'm starting on a javascript MMORPG that will actually work smoothly. Currently, I created a demo to prove that I can move characters around and have them chat with each other, as well as see eachother move around live. http://set.rentfox.net/ Now Javascript timers are something I have not used extensively, but from what I know, correct me if I'm wrong, is that having multiple setIntervals happening at the same time doesn't really work well b/c it's all on a single thread. Lets say I wanted to have 10 different people nuking fireballs at a monster by using sprite background positioning with setInterval -- that animation would require 10 setIntervals doing repainting of the DOM for sprite background-position shifts. Wouldn't that be a big buggy? I was wondering if there was a way around all this, perhaps using Canvas, so that animations can all happen concurrently without creating an event queue and I don't have to worry about timers. Hope that makes sense, and please let me know if I need to clarify further.

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• GC.AddMemoryPressure in C#

  - by ssheldon

  I am writing an application in C# that makes use of a 3rd party COM DLL, this dll creates a lot of resources (like bitmaps, video, data structures) in unmanaged memory. While digging around I came across the following call for the Garbage Collector: GC.AddMemoryPressure(long long bytesAllocated) It is documented in MSDN here: http://msdn.microsoft.com/en-us/library/system.gc.addmemorypressure.aspx This sounds like something I should be calling since this external dll is createing a lot of resources the CLR is unaware of. I guess I have two questions... How do I know how much memory pressure to add when the dll is 3rd party and it's not possible for me to know exactly how much memory this dll is allocating. How important is it to do this?

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• Ideal dev/test/QA environment for development

  - by Nick

  I am working to rebuild my company's dev/test/QA environment. We have 10-15 programmers that are involved in a number of projects. They currently all develop locally on their PCs and use the dev environment for testing. We currently do not have a QA environment, so deployments are frequently a pain because bugs are usually found after something has gone live. Here's what I envision: Doing away with everyone's local admin privileges and making everyone develop on a dev server Create a QA environment that is identical to our production systems. This will allow them to test deployments. Create a new test environment that is more locked down than the dev server so that proper testing can be done. What are your thoughts? What is the best way to set up an environment like this? We develop ASP .NET applications using MS Visual Studio 2008 (if that helps).

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• Bind handler to Ajax Sys.Component.propertyChanged event

  - by Steven Chalk

  "When you create a client component class, you define the properties that you expect page developers to access. You can also raise Sys.Component.propertyChanged notification events in the set accessors for properties of your component. Page developers who use the component can bind the property notification event to their own handler to run code when the property value changes." From http://www.asp.net/AJAX/Documentation/Live/tutorials/DefiningBindableClientComponent.aspx Does anyone know how to bind a handler to a property changed event when raised from a property accessor. Looked for ages but cannot find an example anywhere showing how you would do this.

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• Millions of anonymous ASP.Net profiles!?

  - by Mantorok

  Hi all, some advice needed! Our website receives approximately 50,000 hits a day, and we use anonymous ASP.Net membership profiles/users, this is resulting in millions (4.5m currently) of "active" profiles and the database is 'crawling', we have a nightly task that cleans up all the inactive ones. There is no way that we have 4.5m unique visitors (our county population is only 1/2 million), could this be caused by crawlers and spiders? Also, if we have to live with this huge number of profiles is there anyway of optimising the DB? Thanks Kev

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• JW Player - How can I add an event listener for fullscreen toggling?

  - by Charles

  I'm using JW Player 4.5 on my site and I need to add an event listener for when fullscreen is toggled. The reason for this is to switch between a low-def version and high-def version. The default video will be the low-def version and when they switch to a fullscreen display, it will change to the high-def version. According to http://developer.longtailvideo.com/trac/wiki/Player5Events, the ViewEvent.JWPLAYER_VIEW_FULLSCREEN1 event can only be called from Actionscript. I need it to be from Javascript... Is there any way to achieve this? Can you recommend a better solution?

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• Is there a HIPAA certification that would be helpful to programmers?

  - by Aequitarum Custos

  I work at a Medical Billing company that's software handles many facets of the centers practice, including patients, treatments, etc. To be frank, the only thing I know about HIPAA is security is paramount. I was wondering if there were any training courses with an earned certification proving knowledge/experience that I could use to increase my worth to the company, and give them a selling point (we have HIPAA certified employees). I did a Google search and found this site, but it does not appear legitimate, and I'm trying to avoid any of those fake certification/degree sites. Does anyone know of any recognized and legitimate (preferably government sponsored) HIPAA certifications useful to programmers? If state is a factor, I live in Oklahoma.

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• How can I access the bookmarks toolbar using only shortcuts in Firefox 3

  - by driekken

  I am not interested in accessing the bookmarks menu or sidebar. The specific goal that I'm trying to accomplish is to be able to easily navigate (using only the keyboard) through the live bookmarks loaded from stack overflow by means of a feed reader and located on my bookmarks toolbar. Notes: I have found an add-on that supposedly does exactly what I need: Bookmark Keys, but unfortunately it doesn't work in firefox 3), and is not being currently maintained. I'm using WinXP at work and Ubuntu 8.04 at home. Edit: changed bookmark keys "not compatible" with firefox 3 to "not working" in firefox 3

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• I would like to build an app that alerts me when road traffic is high or low. Where can I get the r

  - by MedicineMan

  I'm sitting at work, waiting for traffic to die down. The thought occurred to me. I know when I want to go home, why don't I have an app that watches traffic for me? I also know that there are a lot of smart people on stackoverflow. Where can I get live traffic data for the san francisco bay area region? The data source should be timely, accurate, and as high resolution as possible. I would like to build an app on top of a service, rather than watch google maps or watch another website. I would prefer that I not have to scrape the data, but I have been know to do this in the past when no other option exists.

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• How do the routers communicate with each other ?

  - by Berkay

  Let's say that i want make a request a to a web page which is hosted in Europe (i live in USA).My packets only consist the IP address of the web page, first the domain name to ip address transformation is done, then my packets start their journey through to europe. i assume that MAC addresses never used in this situation? are they? First, my packets deal with many routers on way how these routers communicate with each other?, are router addresses added to my packet headers ? Second, is there a specific path router to router comminication or which conditions affect this route? Third to cross the Atlantic Ocean, are cables used or... ?

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• What user runs the git hook?

  - by Jasie

  I have a post-update hook on my server, such that when I git push it does a pull on the live web directory. However, while the push always succeeds, the post-update hook sometimes fails. The hook is pretty simple: #!/bin/sh # # An example hook script to prepare a packed repository for use over # dumb transports. # # To enable this hook, rename this file to "post-update". cd /var/www env -i git pull I'm pushing updates from a variety of places, but sometimes I have to login as root on the server and manuall do a env -i git pull I only have to do it 20% of the time though. Any ideas why it would fail randomly? Thanks!

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• Can the Windows Media Player COM control play AVI files from memory (instead of from a file)?

  - by MusiGenesis

  I have a C# app, and I'm looking at using the Windows Media Player COM control to play animation and audio. So far, the only way I see of programatically controlling what the control is playing is to set its URL property to point to some file (I assume there's some way to pass in a playlist). Is there any way the WMP can render an AVI that is entirely in-memory, like a MemoryStream or something? If so, can WMP skip from one AVI to the next seamlessly (i.e. no glitch in either the audio or the video as it transitions from one to the next)? If WMP only plays files, is there some way to cue up a list of the files in advance of play start? If so, can WMP be made to skip from one file to the next without a brief interruption? Any knowledge or links to knowledge would be much appreciated.

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• Java to Qt code convert

  - by user289175

  Hello, I'm teaching my self Qt; in the same time I don't want to lose my Java skills in Qt. I stacked in some codes to do it in Qt, I tried many times as well as search in the net. Code # 1 Object[] names = jList1.getSelectedValues(); String msg = ""; for (Object o : names) msg += o; Code # 2 DefaultListModel model; model = new DefaultListModel(); jList1.setModel(model); Code # 3 if(!jList1.isSelectionEmpty()) I didn't find Empty method :-( I'm going to do some Qt's video tutorials on youtube, but before that I need to solve the above codes. If any programmer can help I will be thankful; Thanks in advance At the end I would like to thanks the experts who are spent thier value times to help others

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• Wordpress, PodCMS and Search

  - by Vian Esterhuizen

  Hey guys, I have a WordPress site for a client. He owns a video store, and I made a site for him to update the list of movies, usually just the "new this week" movies. The Pod has a field where you insert the release date. 2010-04-20 Then there is a Pod page/template combo that calls the movies with a certain release date like this: $date = pods_url_variable('last'); He then just creates a blank WP page with the slug 2010-04-20 So when you open that page, the Pod page/template reads that slug and renders a list of the appropriate movies. My problem: I need these to be searchable. Is this possible. I'm also open to suggestions on other ways to go about making this site work. I need it to be as simple as that. Uploads some movies and creates a new page. Then the rest is done automatically. Please and thank you guys

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• passing a variable to a ajax request Jquery

  - by user304735

  Hello, I am trying to pass a variable to an ajax request via jquery. I have a triggered event that defines the variable. I want to do this so that I can have one ajax request handle multiple urls. I have alerted the url and it come back fine, but when I plug it into the URL slot of a $.ajax request my targeted content does not load. Here is my code. $(document).ready(function(){ $('a').live('click', function(){ var link = $(this).attr("href"); $.ajax({ url: link, success: function(html){ $('#load').html(html) } }); }); }); this has been a real headache and I feel I am just misusing something. Please help.

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• Ipad Magazines App How do they work?

  - by Terente Ionut Alexandru

  How are built the magazines apps? For example Popular Science, Auto Trends and PARIS MATCH I want to build an app like this. But how do these app render the content? How the app knows where is an video, an photo, scroll views and so on? Is there any library to use, and do this easy way or do I need my own engine that renders the content? Is just an webView that loads html5, css and java script or is much more than that?

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• What Would You Do With 48 Cores?

  - by jeroen.vangoey

  The AMD Server team has announced a contest where they are seeking the best essays, videos, or blog posts documenting how you might use 48 cores. They are primarily looking for "what you can do to help society, to help others. That will give you an edge." So, what would you do with 48 cores? Disclaimer: I am not affiliated with AMD (I am even not eligible for the contest because I don't live in the US/Canada) but would love to see what the SO community can come up with.

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• Native Mouse events with Flash and Selenium

  - by Dan at Demand

  I understand that Selenium does not support Flash, but it is my understanding that I should be able to do some simplistic testing of Flash by using Selenium's built in native mouse support and doing mouse up/down events based on coordinates. Is this correct? I can't seem to get it working. I'm trying to test on this page: http://mandy-mania.blogspot.com/2010/04/sneak-peek-of-final-season-of-lost-dvd.html and all I'm trying to do is click on the flash object so it plays the video. I've tried all sorts of commands, MouseOver, MouseDown, MouseDownAt, MouseUp, MouseUpAt, etc. So, I'm wondering if this just theoretically doesn't work or if I'm just doing something wrong. The xpath I'm using is //object[@id='player'], although I've tried a number of different combinations. And yes, I've also tried just the straight click command. Any suggestions? Thanks!

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• Best Design pattern for social media file transfer

  - by Onema

  Our system would like our clients to link their accounts with different social media sites like youtube, vimeo, facebook, myspace and so on. One of the benefits we would like to give to the user is to transfer, update and delete files they have uploaded to our sites and transfer them to the social media sites mentioned above. this files could be videos, images or audio. We started thinking about using a strategy pattern, as all of these sites share a common process ( authentication, connection, use the API to transfer/edit/delete the file ), but we soon realized that it may not work as me may want to use some of the extended functionality that is specific to each service (eg: associate a youtube video with a channel, or upload images to a specific album on facebook, and much, much more...) My question is, what would be the best Structural Design Patter to use for this scenario?

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• Sony Bravia JavaScript API & Emulator

  - by Kevin Williams

  I recently purchased a Sony Bravia TV that comes with Internet capability built in. It supports a number of internet capable widgets and web video streaming apps for sites like youtube, twitter & various yahoo! offerings. I'd like to hack on the SDK, but the only version I can find is Japanese. Is there an English version of the SDK? Where can I find some tutorials/examples? Japanese SDK Documentation (English Layout & JavaScript API pdfs included)

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• JavaScript accordion effect won't work, something to do with pseudoclass?

  - by Dennis Hodapp

  I tried to make an accordion effect with JavaScript based off this video altering a few things like using an input button instead of a link for the selector. However for some reason it's not working. Firefox error console outputs unkown pseudo-class or pseudo-element "visible" everytime I try to use it. What's the problem? $("div.example").hide(); $("input.exampleButton").click(function(){ $("div.example:visible").slideUp("slow"); $(this).parent().next().slideDown("slow"); //return false; if you don't want the link to follow }); Here is the HTML input type="button" value="See An Example" class="exampleButton" /> <div class="example"> ...content </div> input type="button" value="See An Example" class="exampleButton" /> <div class="example"> ...content </div>

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