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• Is 1-to-n multicast on the open internet reliable?

  - by Jeremy Dunck

  I'm a newbie at networking. I understand the concept of multicast, but was wondering if it's reliable on the open/public internet? It seems like sort of an edge case that different backbones or ISPs might intentionally break to reduce router load or generally segment the network for practical high-use applications. Is my fear reasonable? P.S. Follow-up question here: http://stackoverflow.com/questions/256125/best-tutorial-for-application-multicasting

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• Drupal: cusomizing modules question

  - by Patrick

  hi, I've a question about how to customize drupal modules avoiding hacks. Let's say I've downloaded Lightbox2 module and I want to change the javascript file to display differently my lightbox. At the moment I'm modifying the Lightbox2 module, so I cannot update it anymore, so I know it is not the best practice. I was wondering if I can customize the javascript file of this module with a hook, and how. Thanks

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• How to deal with missing items the SEO way?

  - by Brandon Montgomery

  I am working on a public-facing web site which serves up articles for people to read. After some time, articles become stale and we remove them from the site. My question is this: what is the best way to handle the situation when a search engine visits a URL corresponding to a removed article? Should the app respond with a permanent redirect (301 Moved Permanently) to a "article not found" page, or is there a better way to handle this?

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• Remove the blank item from ListBox

  - by Yongwei Xing

  Hi all The ListBox/Dropdown list use a external datasource(sharepoint list) as a datasource to populate the items. But there is one problem, the first item is a blank item, can we remove it? Best Regards,

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• C++ error message output format

  - by sub

  If I want to trigger an error in my interpreter I call this function: Error( ErrorType type, ErrorSeverity severity, const char* msg, int line ); However, with that I can only output Name error: Undefined variable in line 1 instead of Name error: Undefined variable 'someVariableName' in line 1 I'm working entirely with strings (except for the error messages as they all are constant at the moment), so sprintf won't work. What is the best way to create an efficient error function that can output a constant message combined with a string that describes which object, e.g.: a non-existing variable, triggered the error?

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• Alternatives to LIMIT and OFFSET for paging in Oracle

  - by depr001

  Hello, I'm developing a web application and need to page ordered results. I normaly use LIMIT/OFFSET for this purpose. Which is the best way to page ordered results in Oracle? I've seen some samples using rownum and subqueries. Is that the way? Could you give me a sample for translating this SQL to Oracle: SELECT fieldA,fieldB FROM table ORDER BY fieldA OFFSET 5 LIMIT 14 (I'm using Oracle 10g, for what it's worth) Thanks!

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• Create jquery dropdown like RDP Menu Bar

  - by user51701

  I'm not all that familiar with jquery so I'm not quite sure how to do this. Basically, I want a block of html to stay hidden at the top of the page with a ~3px edge sticking out (something to mouseover), and when you mouse over it, the hidden section slides down. Basically I want it to work like the RDP full screen menu bar works. Any thoughts on what the best way of doing this is?

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• J2me - Arrays vs vector ?

  - by Galaxy

  if we have to implementations of string split for j2me, one returns vector and the other returns array , in terms of performance on hand held devices which one is the best choice ?

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• What is a good FAT file system for ARM7-TDMI

  - by Seidleroni

  I'm using the ARM7TDMI-S (NXP processor) and I need a file system capable of reading/writing to an SD card. There are so many available, what have people used and been happy with? One that requires the least amount of setup is best - so the less I have to do to get it started (i.e. write device drivers to NXP's hardware) the better.

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• Run Script on logout/ shutdown ubuntu

  - by gitnoob

  Hi. I want to run some commands every time a user of an ubuntu 9.10 machine logs out or shuts down. What is the best way to do this? Every user uses gnome if that helps.

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• proper way to hide dynamic elements with jQuery

  - by GrandVizier

  I have a div element which my code will fill with a dynamic amount of links. Using jquery, I want to hide all the links except the first one. This is what I came up with and it works, I was just wondering if this is the best way to do it: $("#panelContainer").each(function(n) { $(this).children().hide(); $("#panelContainer a:first").show(); });

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• Windsor PerWebRequest resolution in Application_Start

  - by zaph0d

  I am injecting HttpContextBase into a caching class. HttpContextBase is registered as PerWebRequest. I interact with the caching class on each web request and this works fine, but I also need to initialise the cache at application start. I understand that PerWebRequest does not work in Application_Start though: http://stackoverflow.com/questions/2670717/castle-perrequestlifestyle-not-recognize What is the best way to resolve this in my situation?

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• How to have multiple parts of a website in one page

  - by stas

  I want to make a website that will have multiple pages, but because of a unique navigation bar, I cannot simply link to a new file for each page. What is the best way to accomplish this. Some possibilities that I can think of are having all of them on one page, but using css and javascript to move the other pages offscreen, or using iframes and loading them with javascript. Could someone please direct me to some examples or tutorials?

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• Java GC: top object classes promoted (by size)?

  - by Java Geek

  Hello! Please let me know what is the best way to determine composition of young generation memory promoted to old generation, after each young GC event? Ideally I would like to know class names which are responsible say, for 80% of heap in each "young gen - old gen" promotion chunk; Example: I have 600M young gen, each tenure promotes 6M; I want to know which objects compose this 6M. Thank you.

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• STL map - insert or update

  - by CodeJunkie

  I have a map of objects and I want to update the object mapped to a key, or create a new object and insert into the map. The update is done by a different function that takes a pointer to the object (void update(MyClass *obj)) What is the best way to "insert or update" an element in a map?

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• Resizing gif images

  - by Danny

  I have a gif image 720 * 40 pixels used as a footer on a website. I need to extend the height of the gif by 10 pixels. I was unable to resize to this, using Office Picture Manager. What is the best way to achieve this?

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• How to test Gem Extensions in Rails

  - by rube_noob

  I have written an extension to an existing gem (that is stored in lib) and a corresponding test for my extension. How could I go about running the gem's tests as well as my own automatically. What is the best practice for this case?

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• Parse all RSS item into c# class

  - by user285677

  What's the best way of parsing the folowing rss feed item into a C# class. <item> <fh:FlightHistory FlightHistoryId="189895136" > <fh:Airline AirlineCode="EI" Name="Aer Lingus" /> </fh:FlightHistory> </item>

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• Split text at the first instance of a letter

  - by Blankman

  I have a bunch of product sku's that look like: abc234 asdf234324 adc234-b result: abc 234 asdf 234324 adc 234-b I want to split the text at the first instance of a letter. When I say split, basically I want to have access to both parts of the text, maybe in an array? What's the best way to do this?

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• How to version control data stored in mysql

  - by Shawn

  I'm trying to use a simple mysql database but tweak it so that every field is backed up up to an indefinite number of versions. The best way I can illustrate this is by replacing each and every field of every table with a stack of all the values this field has ever had (each of these values should be timestamped). I guess it's kind of like having customized version control for all my data.. Any ideas on how to do this?

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• Simple .NET web development with F#

  - by Matt H

  Hello. I'm looking to output some HTML to a web page using F#. Any ideas on the best way to achieve this? I could use ASP.NET but I don't really want anything too bulky.

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• Can you help with regular expressions in Java?

  - by Matt

  I have a bunch of strings which may of may not have random symbols and numbers in them. Some examples are: contains(reserved[j])){ close(); i++){ letters[20]=word I want to find any character that is NOT a letter, and replace it with a white space, so the above examples look like: contains reserved j close i letters word What is the best way to do this?

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• How to detect for Ctrl+V in Silverlight 4?

  - by eflles

  What is the best way to detect Ctrl+V in Silverlight? I want to detect Ctrl+V, to get access to the Clipboard.

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• How to design an exception logging table using HyperTable and access it via the Java client?

  - by ikevinjp

  If I have the following table schema to log an exception (in standard SQL schema): Table: ExceptionLog Columns: ID (Long), ExceptionClass (String), ExceptionMessage (String), Host (String), Port (Integer), HttpHeader (String), HttpPostBody (String), HttpMethod (String) How would I design the same thing in HyperTable (specifically, what is the best approach for efficiency)? And, how would I code it using the HyperTable Java client?

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• compressing non-binary data in java http client

  - by wo_shi_ni_ba_ba

  I plan to use java.util.zip to compress http post data when sending it from a java client to the server(java servlet in this case). is this the best approach for reducing data load? should I use gzip as the compression alg?

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