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  • can i use hadoop cloudera without root access?

    - by in_the_cloud
    a bit of a binary question (okay, not excatly) - but was wondering if one is able to configure cloudera / hadoop to run at the nodes without root shell access to the node computers (although i can setup ssh passwordless login)? appears from their instructions that root access is needed, at yet i found a hadoop wiki which suggest root access might not be needed ? http://wiki.apache.org/nutch/NutchHadoopTutorial

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  • jQuery UI problem: why do the elements go flying around the screen?

    - by George Edison
    Yes, I know the title sounds a little suspicious. I will try to explain this the best I can... The code below is supposed to have the blue div slide down beside the red div. The first time you hit the Show the div button, it works. Also, the Hide the div works. Then when I click to show the div again, it appears to the right of where it is supposed to be! Why is this?!? Note: You can find a live example of the code here <html> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Demo</title> <style type='text/css'> #red { background-color: red; width: 200px; height: 150px; position: absolute; } #blue { background-color: blue; width: 150px; height: 200px; position: absolute; display: none; } #tester_1 { top: 300px; left: 300px; position: absolute; } #tester_2 { top: 350px; left: 300px; position: absolute; } </style> </head> <script type="text/javascript" src="jquery.js"></script> <script type='text/javascript'> function Show() { $('#blue').position({ of: $('#red'), my: 'left top', at: 'right top'}).slideDown(); } function Hide() { $('#blue').hide(); } </script> <body> <div id='red'></div> <div id='blue'></div> <button id='tester_1' onclick='Show()'>Show the <kbd>div</kbd></button> <button id='tester_2' onclick='Hide()'>Hide the <kbd>div</kbd></button> </body> </html>

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  • Grails-Write Selenium code inside a EasyB scenario.

    - by WaZ
    I am trying to write some selenium inside my scenario's. However, when I try to start Selenium using the following code: before "start selenium", { given "selenium is up and running", { selenium = new DefaultSelenium("localhost", 4444, "*firefox", "http://www.google.com.my/") selenium.start() } I get an error: Error running easyb tests: org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed, : 7: unable to resolve class DefaultSelenium I am trying to implement something like this http://www.theserverside.com/news/thread.tss?thread_id=55184 Much appreciated.

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  • Is it possible to get Java fmt messages bundle from database ?

    - by newbie
    I nedd to localize application and now files are loaded from text files. Is it possible to change source to database? This is how localized messages are now loaded: <!-- Application Message Bundle --> <bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource"> <property name="basename" value="/WEB-INF/messages/messages" /> <property name="cacheSeconds" value="0" /> </bean>

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  • SSH hangs when executing command remotely

    - by Serty Oan
    Client : OpenSSH_5.1p1 Debian-5ubuntu1 (Ubuntu 9.04) Server : OpenSSH_5.1p1 Debian-5 (Proxmox 2.6.24-7-pve) I use SSH to execute commands remotely on the server (module check_by_ssh of Nagios). But SSH hangs from time to time when trying to execute commands. I can log to the server via SSH but not executing a simple 'ls'. And it seems to block from all clients from the same IP address. Authentication is not the problem, may it be made by SSH keys or password. ssh -l root -p 2222 server.domain.tld 'ls' Here the client debug info debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug1: Sending environment. debug3: Ignored env ORBIT_SOCKETDIR *** skipping approx 40 env var ignored debug1: Sending command: ls debug2: channel 0: request exec confirm 1 It hangs there. Then after a random time, it works again (without doing anything). Killing all sshd process on the server seems to work too. It works from a Putty. I saw that some people had trouble like this due to ISP reverse DNS problem, but it does not seem to be the case here. It can work for hours and then not work for half an hour or so. What could explain this behaviour ?

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  • JPA2 + Hibernate + Order By

    - by Jan
    Hi. Is it possible (using Hibernate and JPA2 Criteria Builder [1]) to order by a method's result rather than an entity's member? public class X { protected X() {} public String member; public String getEvaluatedValue() { // order by return "some text " + member; } } What I want to achive is order by the result of getEvaluatedValue(). Is that possible? Thanks in advanced. [1] http://docs.jboss.org/hibernate/entitymanager/3.5/reference/en/html_single/#querycriteria

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  • phantomjs installation for windows

    - by Pavan b
    i downloaded the "phantomjs-1.7.0-windows.zip " for windows from the following url: http://phantomjs.org/download.html. i even set up the path of the extracted folder in the environment variables.But i am getting the "parse error" when i try to enter any command like "phantomjs --version" in the phantomjs.exe command prompt. my windows is 64 bit . I am not getting the reason y it is throwing the error.could u please suggest me what the problem would be with ??

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  • debian lenny email server

    - by Dal
    Hi I am a newbie and set up a debian lenny at home and set up the web and email server in the default installation. I followed the instructions for Exim and ran dpkg-reconfigure exim4-config and set it up for mydomainhere.com. I created a one line message file and attempted to test exim by running the command exim [email protected] < msgfile. I also tried using exim4 Exim but i get same error -bash: Exim: command not found. Obviously I am ignorant on how to run exim and test. I also tried to run a php file that sends a test mail and had no success. That script is tested and works fine if I send it from my hosting isp on a different domain. So I know the php script is good. I set up the debian system behind a netgear firewall and uses 192.168.1.x ip . The web server works great and users can visit my site. But I am lack the knowledge on how to get the email working. Appreciate is someone can guide me.

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  • How to delete many-to-many records in Doctrine?

    - by terrani
    Hi All, I am trying to delete records in many to many using Doctrine. I used code on http://www.doctrine-project.org/documentation/manual/1_2/ru/working-with-models#many-to-many-relations:deleting-a-link when I do the first method, it just deletes UserGroup record ONLY. How do I delete User, Group, and UserGroup records at once? The second and thrid methods do not work as well.

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  • Joomla, jQuery modules conflicting

    - by Websmith
    I have a custom jQuery accordion menu on my site in a module, when the mod is enabled it breaks my RokSlideshow module. I can't get them both to work at the same time. The site is http://www.fbcsheffield.org/2.0 Any help would be much appreciated!

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  • ArrayList and Map problem in grails

    - by xain
    Hi, I have a service that contains a map: static Map cargosMap = ['1':'item1','2':'item 2','3':'item 3'] that is returned via a method in the service: static Map getCargos() { [cargosMap] } A controller calls it like this: def mform = { Map cargos = empService.getCargos() [cargos:cargos] } In the gsp, I have the select: <g:select name="cg1" from="${cargos}" /> But I'm getting the exception: Error 500: Executing action ....caused exception: org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object ... with class 'java.util.ArrayList' to class 'java.util.Map' Any clues ? Thanks

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  • Properties of mbox message in mbox module in Python

    - by Rajasankar
    I trying my luck to manage my mailbox with python. My example code is for eachmail in mailbox.mbox(mboxfile): print eachmail['From'] I got following by printing entire content. Delivered-To Subject To Content-Type MIME-Version Message-Id Is there any full document showing what are all the properties I can get from the mbox message instance? Python docs doesn't specify any of these http://docs.python.org/library/mailbox.html#mailbox.mbox

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  • List categories with checkbox in Wordpress Options?

    - by Keith Donegan
    Hi Guys, How would I go about displaying all of a site’s categories in checkboxes in my options panel? I can get a dropdown select menu to work, I just have no idea how to implement checkboxes. Code Here from Net Tuts: http://net.tutsplus.com/tutorials/wordpress/how-to-create-a-better-wordpress-options-panel/ http://pastie.org/885320 Thanks in advance.

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  • ValueError: Too Many Values to Unpack Aptana Studio 3

    - by GTyler
    I am working on exercise 13 from learnpythonthehardway.org. I should run this code: from sys import argv script, first, second, third = argv print "The script is called:", script print "Your first variable is:", first print "Your second variable is:", second print "Your third variable is:", third Then enter "python ex13.py first 2nd 3rd" on command line. However, I am using Aptana Studio 3 on Vista and I get the "ValueError: too many values to unpack" error. I am new to Python and Aptana so how can I enter the separate arguments here?

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  • Where do I place a set_locale in Kohana PHP framework?

    - by janoChen
    In the following tutorial: http://pinoytech.org/blog/post/Kohana-2.4-I18N-internationalization-and-localization-Library the author says: I'd put it in a Base Controller so that all Controllers inherit it. this is the code: I18n::set_locale('tl_PH'); I tried placing it in all the controller and places I could but is not working. Which is the exact place where I should place it?

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  • Cookieless Django for government site

    - by phoebebright
    As I'm writing a django site from government bodies I'm not going to be able to use cookies. I found this snippet http://djangosnippets.org/snippets/1540/ but it's currently not allowing users to login. Before I start debugging I wondered if anyone else has solved this problem with this snippet or in any other way?

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  • How to use urllib2 when users only have a API token?

    - by jorrebor
    how would i tranfoms this curl command: curl -v -u 82xxxxxxxxxxxx63e6:api_token -X GET https://www.toggl.com/api/v6/time_entries.json into urlib2? I found this tutorial: http://www.voidspace.org.uk/python/articles/authentication.shtml but they use a password and username. I can only use an API token. Thank you. see also this question: Urllib2 raises 403 error while the same request in curl works fine

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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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  • Contour graphs in JS or PHP ?

    - by vince83000
    Hi everybody, For a web application, I have to make a scientific graph. You can see an example here : http://www.ego-network.org/monitoring/plot_deployment.php?glider=eudoxus&deployment=Cascade&posti=4&postj=scaptemperature_lastweek&pposti=4&ppostj=scaoxygen_lastweek&hchk=&defsct=default_scatter I have 2 coordinates, time and depth, and I want the temperature to be represent by a color, exactly like the example. Someone know how to make this king of graph ? Thanks !

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  • easy hex/float conversion

    - by yeus
    I am doing some input/output between a c++ and a python program (only floating point values) python has a nice feature of converting floating point values to hex-numbers and back as you can see in this link: http://docs.python.org/library/stdtypes.html#additional-methods-on-float Is there an easy way in C++ to to something similar? and convert the python output back to C++ double/float? This way I would not have the problem of rounding errors when exchanging data between the two processes... thx for the answers!

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  • How to delete Tomcat Access Log after n days?

    - by Andreas
    I only would like to keep the Access Logs of the last n days created by Tomcat Access Log Valve. http://tomcat.apache.org/tomcat-6.0-doc/config/valve.html#Access%20Log%20Valve But there seems to be no configuration-Attribute to define how long to keep the log-files? I guess this is because "Access Log Valve" only creates log files and doesn't delete them, is that correct?

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