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  • Nginx error page with JSON response

    - by Waseem
    I'm trying to serve a maintenance page to clients making request to my application when it is under maintenance. Following is my nginx configuration for that purpose. server { recursive_error_pages on; listen 80; ... if (-f $document_root/maintenance.html) { return 503; } error_page 404 /404.html; error_page 500 502 504 /500.html; error_page 503 @503; location = /404.html { root $document_root; } location = /500.html { root $document_root; } location @503 { error_page 405 =/maintenance.html; if (-f $request_filename) { break; } rewrite ^(.*)$ /maintenance.html break; } } Lets say I have enabled maintenance of my site by creating a $document_root/maintenance.html. This file, correctly, is served when a user makes a request with with Accept header of text/html. $ curl http://server.com/ -i -v -X GET -H "Accept: text/html" * Adding handle: conn: 0xf89420 * Adding handle: send: 0 * Adding handle: recv: 0 * Curl_addHandleToPipeline: length: 1 * - Conn 0 (0xf89420) send_pipe: 1, recv_pipe: 0 * About to connect() to server.com port 80 (#0) * Trying xxx.xxx.xxx.xxx... * Connected to server.com (xxx.xxx.xxx.xxx) port 80 (#0) > GET / HTTP/1.1 > User-Agent: curl/7.33.0 > Host: server.com > Accept: text/html > < HTTP/1.1 503 Service Temporarily Unavailable HTTP/1.1 503 Service Temporarily Unavailable * Server nginx/1.1.19 is not blacklisted < Server: nginx/1.1.19 Server: nginx/1.1.19 < Date: Thu, 14 Nov 2013 11:16:16 GMT Date: Thu, 14 Nov 2013 11:16:16 GMT < Content-Type: text/html Content-Type: text/html < Content-Length: 27 Content-Length: 27 < Connection: keep-alive Connection: keep-alive < This is under maintenance. * Connection #0 to host server.com left intact Now some clients set Accept header to application/json. How do I send them a JSON response instead of maintenance.html? Following is the response that I get when setting Accept to application/json. $ curl http://server.com/ -i -v -X GET -H "Accept: application/json" * Adding handle: conn: 0x190c430 * Adding handle: send: 0 * Adding handle: recv: 0 * Curl_addHandleToPipeline: length: 1 * - Conn 0 (0x190c430) send_pipe: 1, recv_pipe: 0 * About to connect() to server.com port 80 (#0) * Trying xxx.xxx.xxx.xxx... * Connected to server.com (xxx.xxx.xxx.xxx) port 80 (#0) > GET / HTTP/1.1 > User-Agent: curl/7.33.0 > Host: server.com > Accept: application/json > < HTTP/1.1 503 Service Temporarily Unavailable HTTP/1.1 503 Service Temporarily Unavailable * Server nginx/1.1.19 is not blacklisted < Server: nginx/1.1.19 Server: nginx/1.1.19 < Date: Thu, 14 Nov 2013 11:15:50 GMT Date: Thu, 14 Nov 2013 11:15:50 GMT < Content-Type: text/html Content-Type: text/html < Content-Length: 27 Content-Length: 27 < Connection: keep-alive Connection: keep-alive < This is under maintenance. * Connection #0 to host server.com left intact

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  • How to expand row in a grid using rowexpander plugin Extjs 4.1.1

    - by Waseem
    How to expand row in a grid using rowexpander plugin? I am using the following code in my controller 'editbasicinfotitlegrid gridview' : { afterrender:this.expandAll } expandAll: function(){ var titlesGrid = Ext.getCmp('editBasicInfoTitleGrid'); var expander = titlesGrid.getPlugin('myRowExpander'); console.log(titlesGrid.plugins[0]); expander.toggleRow(0); } But this code gives me the following error Uncaught TypeError: Cannot call method 'down' of null

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  • Web browser.navigate("www.somesite.com") Load page in window but Webbrowser.Document returns Null

    - by Waseem
    Hi.. I am using Web browser control in a window form. Here i am navigating to some site with 1 parameter. It is loading the page into web browser but when i am looking for webbrowser.document to find some html tags so it is showing NULL for it. I want to find out All Anchor tags in webbrowse Loaded page. Following is my code. webChatPage.Navigate(ConfigurationManager.AppSettings["ServerURL"].ToString() + "/somepage.php?someparameter=" + sessionId); HtmlDocument hDoc = webChatPage.Document; //hDoc = NULL in debugging HtmlElementCollection aTag = hDoc.Links; MessageBox.Show(aTag.Count.ToString()); If there is any solution then help me out.

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  • Getting HTTP 406 when trying to test facebooker application with cucumber

    - by Waseem
    I am trying to test facebook api calls with cucumber. Here is the code. # app/controller/facebook_users_controller.rb class FacebookUsersController < ApplicationController def create fb_user = facebook_session.user user = User.new(:facebook_uid => fb_user.uid, :facebook_session_key => facebook_session.session_key respond_to do |format| if user.save format.json { render :json => { :status => 'ok' }.to_json } end end end end # features/steps/facebook_connect_step.rb Given /^I am a facebook connected user$/ do mock_session = Facebooker::MockSession.create post('/facebook_user.json') puts response.code end When I run the cucumber step for above step definition, I get a response code of 406 instead of 200. This happens in the cucumber test environment only and not in the browser(development/production).

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  • How do I add application specific code to Rails' plugin?

    - by Waseem
    Hi, I am using facebooker in one of my applications. I want to add some application specific methods to various methods in it? e.g. In facebooker/lib/facebooker/models/user.rb module Facebooker class User # I want to add my methods here. for e.g my_method end end I can not directly put my_method in the plugin itself since I also want to access my models from there. Not defining the methods in plugin code itself will also be helpful when I upgrade.

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  • Sorting an array in descending order in Ruby.

    - by Waseem
    Hi, I have an array of hashes like following [ { :foo => 'foo', :bar => 2 }, { :foo => 'foo', :bar => 3 }, { :foo => 'foo', :bar => 5 }, ] I am trying to sort above array in descending order according to the value of :bar in each hash. I am using sort_by like following to sort above array. a.sort_by { |h| h[:bar] } However above sorts the array in ascending order. How do I make it sort in descending order? One solution was to do following: a.sort_by { |h| -h[:bar] } But that negative sign does not seem appropriate. Any views?

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  • Browser freezes when try to call a JS function along with submission of a form.

    - by Waseem
    I have form in my view like following 1 <div> 2 <% form_tag facebook_user_path do %> 3 <label>Use my photo and name from facebook?</label><br /> 4 <%= check_box_tag 'use_name_and_photo', 'yes', true %> 5 <img src="<%= @user.pic %>" /><% @user.name %> 6 7 <%= submit_tag "Finish", :id => "use_name_and_photo_submit" %> 8 <% end %> 9 </div> I have attached some JS handlers using Jquery to this form. 1 var fb = { 2 extendedPermissions: function () { 3 $("#use_name_and_photo_submit").click(function (event) { 4 FB.Connect.showPermissionDialog("email,read_stream,publish_stream", function (perms) { 5 if (!perms) { 6 alert("You have to grant facebook extended permissions to further browse the application."); 7 } else { 8 $("form").submit(function () { 9 $.post($(this).attr("action"), $(this).serialize(), null, "script"); 10 }); 11 } 12 }); 13 event.preventDefault(); 14 return false; 15 }); 16 } 17 }; 18 19 $(document).ready(function () { 20 fb.extendedPermissions(); 21 }); What I want is that when the user clicks on the "Finish" button, he is prompted for the facebook permissions dialogue and when he gives the permissions, the form is submitted to FacebookUsersController. Right now when I click the "Finish" button, facebook permissions dialogue is initiated but before I am prompted for the actual permission submission window, the browser freezes. Just like I have pressed Esc during the process. In fact status bar of the browser says "Stopped". Any help is highly appreciated.

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  • What should every PHP programmer know ?

    - by Waseem
    I would to be a PHP/Mysql Programmer what is the technologies that i must know ? Like :- Frameworks IDEs Template Engines Ajax and Css Frameworks please tell me the minimum requirements that i must know , and tell me your favourite things in the previous list ? thanks

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  • Changing windows Xp appearance or theme programatically

    - by Waseem
    The company I work for has windows xp installed and under group policy, I am not able to change the desktop appearnce or themes. Because admin has disabled the appearance and themes tab via group policy registry. I am looking for an application or Vb.net form which is able to switch the appearance and themes under limited access xp account. Your help would be higly appreciated..

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  • REGISTER TODAY: Oracle Linux Online Forum, March 27

    - by Zeynep Koch
    Online Forum Showcases Technology Innovations and Strategic Value of Oracle Linux Join us for a series of information-rich Webcasts and “Live Online Chat” with some of the most knowledgeable Linux experts. Fresh off Oracle’s launch of Oracle Linux with the latest Unbreakable Enterprise Kernel Release 2, we’ll cover a host of key technology and strategic developments. Agenda:  1) 9:30 - 9:45 am PT :  Keynote: Leading Innovations in Enterprise Linux hosted by Oracle Executives Speakers: Edward Screven, Wim Coekaerts 2) 9:45 - 10:00 am PT Customer Presentation: How Oracle Helps Reduce Cost and Improve Performance of Database Applications at Progressive Insurance Speaker: John Dome 3) 10:00 - 11:00 am PT What's New in Oracle Linux Speakers: Waseem Daher, Chris Mason, Elena Zannoni, Lenz Grimmer 4) 11:00 am - 12:00 pm PT Get More Value from your Linux Vendor Speakers: Sergio Leunissen, Chris Mason, Monica Kumar Register today

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  • Want to Patch your Red Hat Linux Kernel Without Rebooting?

    - by Lenz Grimmer
    Patched Tube by Morten Liebach (CC BY 2.0) Are you running Red Hat Enterprise Linux? Take back your weekend and say goodbye to lengthy maintenance windows for kernel updates! With Ksplice, you can install kernel updates while the system is running. Stay secure and compliant without the hassle. To give you a taste of one of the many features that are included in Oracle Linux Premier Support, we now offer a free 30-day Ksplice trial for RHEL systems. Give it a try and bring your Linux kernel up to date without rebooting (not even once to install it)! For more information on this exciting technology, read Wim's OTN article on using Oracle Ksplice to update Oracle Linux systems without rebooting. Watch Waseem Daher (one of the Ksplice founders) telling you more about Ksplice zero downtime updates in this screencast "Zero Downtime OS Updates with Ksplice" - Lenz

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  • ArchBeat Link-o-Rama for 2012-03-16

    - by Bob Rhubart
    Applications Architecture | Roy Hunter and Brian Rasmussen www.oracle.com Roy Hunter and Brian Rasmussen examine the strategies three organizations applied to modernize their application architectures. Part of the Oracle Experiences in Enterprise Architecture article series. Public Sector Architecture | Jeremy Foreman and Hamza Jahangir www.oracle.com Jeremy Foreman and Hamza Jahangir examine the strategies used by two different organizations in deploying their respective future-state architectures. Part of the Oracle Experiences in Enterprise Architecture article series. XMLA vs BAPI | Sunil S. Ranka sranka.wordpress.com Oracle ACE Sunil Ranka's brief primer on the XMLA and BAPI standards. The Java EE 6 Example - Running Galleria on WebLogic 12 - Part 3 | Markus Eisele blog.eisele.net Oracle ACE Director Markus Eisele continues his series on working with Galleria. Oracle Linux Online Forum - March 27 event.on24.com Date: Tuesday, March 27, 2012 Time: 9:30 AM PT / 12:30 PM ET Hosts: Oracle Executives Edward Screven and Wim Coekaerts. Customer Presentation: How Oracle Helps Reduce Cost and Improve Performance of Database Applications at Progressive Insurance Speaker: John Dome What's New in Oracle Linux Speakers: Waseem Daher, Chris Mason, Elena Zannoni, Lenz Grimmer Get More Value from your Linux Vendor Speakers: Sergio Leunissen, Chris Mason, Monica Kumar JavaOne 2012 Call for Papers www.oracle.com Don't keep all that Java skill locked up in your overstuffed cranium. Submit your proposal for that killer paper now to share your experience at this year’s JavaOne. Running applications in the cloud are not designed for the cloud | Tom Laszewski blogs.oracle.com "The issue you face with moving client/server applications to the cloud via rehosting is 'where will the applications run?'" says Tom Laszewski. GlassFish 3.1.2 - Which Platform(s)? | The Aquarium blogs.oracle.com The Aquarium shares a list of GlassFish 3.1.2-supported operating systems and JVMs. IT Strategies from Oracle; Three Recipes for Oracle Service Bus 11g ; Stir Up Some SOA www.oracle.com Featured this week on the OTN Architect Portal, along with the latest events, product downloads, community social resources, articles on hot topics, and a whole lot more. Thought for the Day "No matter what the problem is, it's always a people problem." — Gerald M. Weinberg

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  • ArchBeat Link-o-Rama for 2012-03-20

    - by Bob Rhubart
    SOA! SOA! SOA!; OSB 11g Recipes and Author Interviews www.oracle.com Featured this week on the OTN Architect Homepage, along with the latest articles, white papers, blogs, events, and other resources for software architects. OTN Virtual Developer Day - Java - APAC Tuesday March 27th, 2012. 9:30 am to 2:00pm IST / 12:00pm to 4.30pm SGT / 3.00pm - 7.30pm AEDT Oracle Virtualization Newsletter - March Edition www.oracle.com News, white papers, webcasts, events, blogs, and more -- all focused on Oracle Virtualization products. 7 Signs an Enterprise is getting the post-PC thing | Ron Tolido www.capgemini.com Capgemini's Ron Tolido shares "indicators for enterprises that actually understand the power of mobility and the post-PC era." Gartner: Personal Cloud Will Replace the Personal Computer as the Center of Users' Digital Lives www.gartner.com The change, says Gartner, "will require enterprises to fundamentally rethink how they deliver applications and services to users." Northeast Ohio Oracle Users Group 2 Day Seminar - May 14-15 - Cleveland, OH www.neooug.org More than 20 sessions over 4 tracks, featuring 18 speakers, including Oracle ACE Director Cary Millsap, Oracle ACE Director Rich Niemiec, and Oracle ACE Stewart Brand. Register before April 15 and save. Oracle Hardware Systems: The Extreme Performance Tour - Dates and Locations Worldwide www.oracle.com Get the inside track on Oracle's hardware strategy and product roadmap from the people who know Oracle hardware best. And be sure to meet our global experts in the Extreme Performance exhibition area. Click the link for dates and locations worldwide. Oracle's ZFS Storage Appliance Simulator | Steen Schmidt blogs.oracle.com Take a test drive. Oracle Access Manager 11g - useful links | Dmitry Nefedkin blogs.oracle.com Dmitry Nefedkin shares a list of links to useful resources for those interested in Oracle Access Manager 11g. Oracle Linux Online Forum - March 27 event.on24.com Date: Tuesday, March 27, 2012 Time: 9:30 AM PT / 12:30 PM ET Leading Innovations in Enterprise Linux hosted by Oracle Executives Edward Screven and Wim Coekaerts. Customer Presentation: How Oracle Helps Reduce Cost and Improve Performance of Database Applications at Progressive Insurance Speaker: John Dome What's New in Oracle Linux Speakers: Waseem Daher, Chris Mason, Elena Zannoni, Lenz Grimmer Get More Value from your Linux Vendor Speakers: Sergio Leunissen, Chris Mason, Monica Kumar Thought for the Day "I have yet to see any problem, however complicated, which, when looked at in the right way, did not become still more complicated." —Poul Anderson

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