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• ruby-on-rails: gravatar_for

  - by Heber

  Hi, I was following the site http://railstutorial.org/ and in the chapter 7, it shows an example of how to use gravatar_for. I tried to use it using <%= gravatar_for @user % but it does not render correctly in my browser (firefox/opera/chrome) it render this html: classgravatartitleratingPGstylewidth:50px;height:50px;background:url(http://www.gravatar.com/avatar/bebfcf57d6d8277d806a9ef3385c078d?rating=PG&size=50) no-repeat;sslfalsealtdefault Could someone give me the solution for this problem? I got stuck and I really don't know to solve this. Thank very much.

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• file content into unix variable with newlines

  - by Hugo

  I have a text file test.txt with the following content: text1 text2 And I want to assign the content of the file to a UNIX variable but when I do this: testvar=$(cat test.txt) echo $testvar the reult is: text1 text2 instead of text1 text2 Can someone suggest me a solution for this?

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• Is there a way to close a Unix socket for only reading or writing?

  - by Sii

  Is there a way to only close "one end" of a TCP socket to cleanly indicate one side of a connection is done writing to the connection? (Just like you do with a pipe in every Unix pipe tutorial ever.) Or should I use some in-band solution like a sentinel value or some such? I only found shutdown() in the libc documentation and that doesn't seem like it does what I want.

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• adding title to navigation bar

  - by praseed

  hi , i have two different view controllers added to the viewcontrollers array of a tabbarcontroller and this tabbarcontroller is added to a navigationcontroller. now i want to show different title for different views in the tabbar, on the navigationController. Pls help me to find a solution for this.... i am new to iPhone app development...

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• How to execute code in c# service one time per day at the same hour ?

  - by Bigballs

  So here's my problem, I need to do a c# service running on a server who's getting file on ftp one time per day at 3am. I think that I can do it with a thread.sleep() or by compare the DateTime.Now with 3am.... Do you have better solution? Thank you very much for your help!

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• Drupal is unable to create the "files" folder (and any upload php script as well)

  - by Patrick

  hi, Drupal cannot create the "files" folder. I tried to upload a php script with mkdir("files",774) but I get a permissions error, so basically any php script is not able to create a folder on the server... What do you suggest ? If I create the folder manually from ftp client and I assign 777 permission everything works perfectly, but it is not safe solution.

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• using haskell for "business applications"

  - by snorlaks

  Hello, I would like to know if there is any posiibility that I can use Haskell with small database like sql server compact so that client wont have to install any server on his desktop. Is there any api providing sql statements and so on ... What is the best solution to achieve small database application using haskell. thanks for help

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• Open plan office annoyance

  - by arturito

  Not a technical question, but related to IT. At the moment I work in the open plan office and the guy next to me is talking to himself while programming. It annoys my collegue and me so much that we are putting the earphones on with music volume set to max. Does anyone know good and polite solution to shut him up?

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• Modifying The Published Name Of A Program?

  - by Soo

  I have a C# program that I poorly named when I first started it and want it changed now. I've changed the solution name, but that doesn't appear to change what the program is named when it publishes. My question is how to change the publish name.

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• how to send email with attachment from R in windows

  - by ahala

  I have a scheduled R script running from a windows machine. After it finishes, I wish this script to automatically send an email with some log file attached. Using shell() with some other scripts may be possbile, but I was wondering if there is a better solution within R. thanks.

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• How to load 1 milion records from database fast?

  - by Leonard P.

  Now we have a firebird database with 1.000.000 that must be processed after ALL are loaded in RAM memory. To get all of those we must extract data using (select * first 1000 ...) for 8 hours. What is the solution for this?

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• How do I provide basic configuration for a Scala application?

  - by Dave

  I am working on a small GUI application written in Scala. There are a few settings that the user will set in the GUI and I want them to persist between program executions. Basically I want a scala.collections.mutable.Map that automatically persists to a file when modified. This seems like it must be a common problem, but I have been unable to find a lightweight solution. How is this problem typically solved?

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• How to set binary data using setBlob() in C++ connector

  - by Paul

  I know this has been asked before, and I tried to implement the solution, but I just get exception errors when I call ps-executeUpdate(). Has anyone got an explicit example?

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• Visual Studio 2008 - Assemblies are not loaded into Modules after relocating the website and project

  - by user296861

  I recently moved the asp.net website solution folder (along with class projects) to different location. As the result, visual studio doesn't stop at break points, and I could not able to debug. I see none of my assemblies at Debug Windows Modules; only microsoft assemblies are loaded. I have also deleted all bin folder and re-referenced all projects. But still no luck. Thanks in advance!

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• having problems with javascript null

  - by user165242

  I have tried rectifying the code below. But I am not able to find a solution. After executing the code, firebug says "document.getElementById(haystack.value) is null". I tried if(document.getElementById(haystack).value ==null) but it was of no use. Please help me out. var haystack=document.getElementById('city1').value; if(!document.getElementById(haystack).value) { alert("null"); } else { alert("not null"); }

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• Conditional use of wp_list_categories (Wordpress)

  - by YsoL8

  Hello I am using the wp_list_categories tag in Wordpress. I would like to wrap this in a condition so it is only used when there are posts in the database. Something like: if ($number_of_posts > "0") { } But I can't find a function that'll let me count the number of posts. Anyone know the solution?

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• open source custom tooltip (callout) control/code for asp.net

  - by dotnetcoder

  Looking for a custom tooltip (typical yellow baloon callout) on click of an anchor tag. The tooltip should appear and remain in view until the cross button on the tooltip is clicked. Just looking for a tried and tested open source solution. Tried googling this but most of the tooltip [...missing info?...] Ajax control toolkit has the calloutvalidator which seems like a good choice but is tied up to be used for validation tooltips.

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• How to sequence events while uploading large files to Amazon S3?

  - by coolpawan4u

  I am seeing problems uploading large files e.g. 100MB. Files go to Amazon S3 successfully, but after that scripts are waiting for if($flag == 1) and do not execute the rest of the code. Can anyone tell me the solution for this? if($s3->putObjectFile($uploadDIR, $bucket, $name, S3::ACL)) { $flag = 1; } if($flag == 1) { //continue code }

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• Rescuing redirect :back after destroy in Rails?

  - by Andreas

  I'm looking for a best practice solution to be able to keep using redirect :back after a successful destroy action, as many items can be deleted from a variety of listings. Unfortunately that strategy fails for the one case when the delete is initiated from the item view itself. What approach do you recommend for this situation?

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• How do I change all shared libraries used in my programe to static libraries in windows?

  - by httpinterpret

  The shared library is causing much trouble for me, and disk space is far less expensive than the trouble itself. How can I convert all shared libs(.dll) to static libs(.lib) and make my programe use them instead of using shared libs? Note some .dlls are not directly refered to by my programe,e.g. my programe requires libpng,and libpng requires zlib.dll. Is there a solution that wraps up all these cases?

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• How can I swap positions of two open files (in splits) in vim?

  - by wes

  Assume I've got some arbitrary layout of splits in vim. ____________________ | one | two | | | | | |______| | | three| | | | |___________|______| Is there a way to swap one and two and maintain the same layout? It's simple in this example, but I'm looking for a solution that will help for more complex layouts.

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• Google sites creation

  - by bhuvi

  Hi, I am creating a sites by java programming using google sites API developer guide. I had easily created different type of pages as parent page and sub pages also. my problem is,I am not able to create a web page as parent page and file cabinet, announcement, list page as sub page. That's parent page and sub page is created as same not as different page. please tell me a solution.

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• How to make my laptop dual boot(Windows Server 2008 and WIndows 7)?

  - by Dinesh

  I have Windows Server 2008 R2 Enterprise(Licensed Copy) installed in my Laptop. I have installed this to evaluate Latest 64 bit Products of Microsoft like Share point 2010 etc. Now i want to install Windows 7 Ultimate(Original) without removing the Server OS. Basically, i want to make my laptop Dual Boot. I tried To install Windows 7, but it not showing any options for making dual boot. Can anybody,please suggest the solution. I need to install immediately.

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• Changing Visual Studio's default build output path

  - by JC

  Are there any good reasons to modify your projects build output path from its default of "bin\debug"? Is there any benefit to pointing all your projects within a solution to a common build output location?

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• I am receiving output if i "ALERT" some text else i didn't receive any o/p while using ajax with jav

  - by Fero

  Hi all, I am receiving a different type of error in my application. In my project most of the functionality are in ajax. Now my prob is if i "ALERT" something i am receiving the output. Else i am not. I am totally confused with this issue and don't have any idea to solve it. What will be the solution? Any answers will be helpful and grateful.. thanks in advance

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