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  • JavaScript frameworks and CSS frameworks: JQuery, YUI, neither, or something else?

    - by Eric Johnson
    I haven't done web development for about 6 years. I'm trying to get back into it and there is a lot of new stuff out there. I've chosen to write my next project with Perl and Catalyst. I keep hearing about various JavaScript and CSS frameworks. I know very little about these frameworks so maybe this question is overly broad and open ended. What are the strengths, weaknesses, and popularity of the various frameworks? Should I be using YUI, JQuery, neither, or something else?

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  • iPhone cocos2d CCTMXTiledMap tile transitions

    - by Jeff Johnson
    I am using cocos2d on the iPhone and am wondering if it is possible to use a texture mask in order to create tile transitions / fringe layer. For example, a grass tile and a dirt tile, I would want a tile that had both grass and dirt in it... Has anyone done this, or is the only way to create one tile for every possible transition?

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  • Windows Service Conundrum

    - by Paul Johnson
    All, I have a Custom object which I have written using VB.NET (.net 2.0). The object instantiates its own threading.timer object and carries out a number of background process including periodic interrogation of an oracle database and delivery of emails via smtp according to data detected in the database. The following is the code implemented in the windows service class Public Class IncidentManagerService 'Fakes Private _fakeRepoFactory As IRepoFactory Private _incidentRepo As FakeIncidentRepo Private _incidentDefinitionRepo As FakeIncidentDefinitionRepo Private _incManager As IncidentManager.Session 'Real Private _started As Boolean = False Private _repoFactory As New NHibernateRepoFactory Private _psalertsEventRepo As IPsalertsEventRepo = _repoFactory.GetPsalertsEventRepo() Protected Overrides Sub OnStart(ByVal args() As String) ' Add code here to start your service. This method should set things ' in motion so your service can do its work. If Not _started Then Startup() _started = True End If End Sub Protected Overrides Sub OnStop() 'Tear down class variables in order to ensure the service stops cleanly _incManager.Dispose() _incidentDefinitionRepo = Nothing _incidentRepo = Nothing _fakeRepoFactory = Nothing _repoFactory = Nothing End Sub Private Sub Startup() Dim incidents As IList(Of Incident) = Nothing Dim incidentFactory As New IncidentFactory incidents = IncidentFactory.GetTwoFakeIncidents _repoFactory = New NHibernateRepoFactory _fakeRepoFactory = New FakeRepoFactory(incidents) _incidentRepo = _fakeRepoFactory.GetIncidentRepo _incidentDefinitionRepo = _fakeRepoFactory.GetIncidentDefinitionRepo 'Start an incident manager session _incManager = New IncidentManager.Session(_incidentRepo, _incidentDefinitionRepo, _psalertsEventRepo) _incManager.Start() End Sub End Class After a little bit of experimentation I arrived at the above code in the OnStart method. All functionality passed testing when deployed from VS2005 on my development PC, however when deployed on a true target machine, the service would not start and responds with the following message: "The service on local computer started and then stopped..." Am I going about this the correct way? If not how can I best implement my incident manager within the confines of the Windows Service class. It seems pointless to implement a timer for the incidentmanager because this already implements its own timer... Any assistance much appreciated. Kind Regards Paul J.

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  • Why do I get "undefined method `destroy'" when including 'svn/repos'?

    - by Chad Johnson
    I get the following when running script/server require 'svn/repos' script/console Loading development environment (Rails 2.3.5) require 'svn/repos' /Library/Ruby/Site/1.8/svn/core.rb:88: warning: already initialized constant Stream /Library/Ruby/Site/1.8/svn/core.rb:138: warning: already initialized constant AuthBaton NoMethodError: undefined method destroy' for #<Svn::Ext::Core::Apr_pool_wrapper_t:0x10150ae68> from /Library/Ruby/Site/1.8/svn/util.rb:60:insvn_fs_initialize' from /Library/Ruby/Site/1.8/svn/util.rb:60:in call' from /Library/Ruby/Site/1.8/svn/util.rb:60:ininitialize' from /Library/Ruby/Site/1.8/svn/fs.rb:14 from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in gem_original_require' from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:inrequire' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in require' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:innew_constants_in' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in require' from /Library/Ruby/Site/1.8/svn/repos.rb:5 from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:ingem_original_require' from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in require' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:inrequire' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in new_constants_in' from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:inrequire' from (irb):1 Any idea why?

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  • SOAPUI: Document Type Webservices Testing.

    - by Neal Johnson
    Hi , I am new to SOAP UI usage. I would like to test one of the webservices generated using weblogic 8.1 SP 6. The webservice is a document type webservice. Is there any way to test this webservice using SOAP UI ?? Or is there any tool which helps to test document type webservices?? Thanks in advance.

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  • Oracle SQL clause evaluation order

    - by jon.johnson
    In Oracle, which clause types get evaluated first? If I had the following ( pretend .... represent valid expressions and relation names ), what would the order of evaluation be? SELECT ... FROM ..... WHERE ........ GROUP BY ........... HAVING ............. ORDER BY ................ I am under the impression that the SELECT clause is evaluated last, but other than that I'm clueless.

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  • Hide Mailto: link

    - by Bill Johnson
    Hi all, I have varying mailto: email address on my site which are now being hit with various harvesters and subsequently I'm being spammed. Can anyone assist me in creating some PHP code for the following: <a href="mailto:[email protected]">[email protected]</a> To prevent the address from being harvested and equally can I use this script on various email address displayed on the site? Thanks

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  • Rails initializes extremely slow on ruby 1.9.1

    - by Ben Johnson
    I just got my rails 2.3.8 app running on ruby 1.9.1. To get into the console, start the webserver, anything that initializes rails, takes 3 - 4 times longer in ruby 1.9 than in ruby 1.8.7. I'm using ruby version managers so I can easily switch between ruby 1.9 and ruby 1.8.7. The speed difference happens in both production and development. I want to use 1.9 because its must faster once everything is running, but the startup time is so bad the app is timing out on Heroku on the first request. Any ideas why ruby 1.9 would be 3 - 4 times slower? I can't figure it out for the life of me.

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  • TypeInitializationException When Getting an NHibernate Session

    - by Paul Johnson
    I’ve run into what appears to be an NHibernate config problem. Basically, I ran up a simple proof of concept persistence integration test using NUnit, the test simply querys an Oracle database and successfully returns the last record received by the underlying table. However, when the assemblies are taken out of the NUnit test environment and deployed as they would be for an actual application build, my call for an NHibernate session results in a ‘TypeInitializationException’ whilst executing the code line: sessionFactory = New Configuration().Configure().BuildSessionFactory() The application is a vb.net console app running against an Oracle 9.2 database, using a ‘coding framework’ published on the web by Bill McCafferty entitled 'NHibernate Best Practices with ASP.NET' (pre S#harp Architecture). I am running version 2.1.2.4000 of NHibernate. Any assistance much appreciated. Kind Regards Paul J.

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  • Invalid iPhone Application Binary

    - by Kristopher Johnson
    I'm trying to upload an application to the iPhone App Store, but I get this error message from iTunes Connect: The binary you uploaded was invalid. The signature was invalid, or it was not signed with an Apple submission certificate. My guess is that it is not properly signed. I have downloaded my App Store distribution certficate, but I can't figure out how to "sign" my application with it. The SDK's documentation about code signing is not very helpful. (FWIW, I can install the app on my iPhone just fine using the development provisioning profile.) However, it is possible that I screwed things up on a more basic level. Here's what I did to try to prepare it for upload: In Xcode, select the Device|Release target Select the target and click the Info button. Change "Code Signing Identity" to "iPhone Distribution", and change "Code Signing Provisioning Profile" to my App Store distribution profile. Build Go to the directory where the built MyApp.app bundle is, control-click and choose "Compress" to create MyApp.zip Upload MyApp.zip to the App Store via iTunes Connect (which resulted in the above error message). Can anybody give me any hints? Edit: Found someone with the same problem. Unfortunately, he won't tell us how he fixed it. http://www.rhonabwy.com/wp/2008/07/18/seattlebus-diary-ongoing-update-saga/#comments http://www.rhonabwy.com/wp/2008/07/22/seattlebus-diary-update-is-pending-review/ (Note: For general information on submitting iPhone applications to the App Store, see Steps to upload an iPhone application to the AppStore.)

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  • How to access a PHP Web Service from ASP.Net?

    - by Steve Johnson
    I am trying use a web service in a C# ASP.Net Web Application. The service is built in php and is located on some remote server not under my control so i cant modify it to add meta data or something else into it. When i use the "Add Web Reference" option in Visual Studio 2008, I receive the following error: The HTML document does not contain Web service discovery information. while trying to add the following web service. https://subreg.forpsi.com/robot2/subreg_command.php?wsdl The web service functions are exposed and displayed in Visual Studio 2008. however i could not add the reference to it for use in ASP.Net Application. t3Service" Description Methods __construct ( ) create_contact ( ) get_contact ( ) get_domain_info ( ) get_last_error_code ( ) get_last_error_msg ( ) get_NSSET ( ) get_owner_mail ( ) login ( ) register_domain ( ) register_domain_with_admin_contacts ( ) renew_domain ( ) request_sendmail ( ) send_auth_info ( ) transfer_domain ( ) I also tried the wsdl.exe method by retrieving the xml and copying it to a wsdl file and generating a proxy class. But the wsdl output contains warnings and the proxy class generated skips the exposed fucntions and generates something like this: // CODEGEN: The operation binding 'create_contact' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_contact' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_domain_info' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_last_error_code' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_last_error_msg' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_NSSET' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'get_owner_mail' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'send_auth_info' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'transfer_domain' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'request_sendmail' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'login' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'register_domain' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'register_domain_with_admin_contacts' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. // CODEGEN: The operation binding 'renew_domain' from namespace 'urn:t3' was ignored. Each message part in an use=encoded message must specify a type. Any help in this regard will be highly appreciated. Regards

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  • Help me convert this PHP SOAP code to C#

    - by Andrew G. Johnson
    Hi, I am trying to do some C# SOAP calls and can't seem to get any good examples on how to do it. I read an old question of mine about a SOAP call in PHP and thought maybe asking you guys to rewrite it in C# would be a good place to start. Here is the PHP code: $client = new SoapClient('http://www.hotelscombined.com/api/LiveRates.asmx?WSDL'); $client->__soapCall('HotelSearch', array( array('request' => array( 'ApiKey' => 'THE_API_KEY_GOES_HERE', // note that in the actual code I put the API key in... 'UserID' => session_id(), 'UserAgent' => $_SERVER['HTTP_USER_AGENT'], 'UserIPAddress' => $_SERVER['REMOTE_ADDR'], 'HotelID' => '50563', 'Checkin' => '07/02/2009', 'Checkout' => '07/03/2009', 'Guests' => '2', 'Rooms' => '1', 'LanguageCode' => 'en', 'DisplayCurrency' => 'usd', 'TimeOutInSeconds' => '90' ) ) ) );

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  • Regular Expression for any number divisible by 60 using C# .Net ?

    - by Steve Johnson
    Hi there, I need to apply validation on input time intervals that are taken in as seconds. Now i am not really good at Regular expressions. So can any body help making a regular expression that can test whether a number is divisible by 60. I was wondering if i could use to test one that check that the number is divisible by 10 and then check whether the same is divisible by 6. For number divisible by 10 here [\d*0] is the expression i guess. Please correct me if i am wrong. Hope somebody solves my problem. Thanks

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  • JButton Layout Issue

    - by Tom Johnson
    I'm putting together the basic layout for a contacts book, and I want to know how I can make the 3 test buttons span from edge to edge just as the arrow buttons do. private static class ButtonHandler implements ActionListener { public void actionPerformed(ActionEvent e) { System.out.println("Code Placeholder"); } } public static void main(String[] args) { //down button ImageIcon downArrow = new ImageIcon("down.png"); JButton downButton = new JButton(downArrow); ButtonHandler downListener = new ButtonHandler(); downButton.addActionListener(downListener); //up button ImageIcon upArrow = new ImageIcon("up.png"); JButton upButton = new JButton(upArrow); ButtonHandler upListener = new ButtonHandler(); upButton.addActionListener(upListener); //contacts JButton test1Button = new JButton("Code Placeholder"); JButton test2Button = new JButton("Code Placeholder"); JButton test3Button = new JButton("Code Placeholder"); Box box = Box.createVerticalBox(); box.add(test1Button); box.add(test2Button); box.add(test3Button); JPanel content = new JPanel(); content.setLayout(new BorderLayout()); content.add(box, BorderLayout.CENTER); content.add(downButton, BorderLayout.SOUTH); content.add(upButton, BorderLayout.NORTH); JFrame window = new JFrame("Contacts"); window.setContentPane(content); window.setSize(400, 600); window.setLocation(100, 100); window.setVisible(true); }

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  • SSD and programming

    - by Simon Johnson
    I'm trying to put together a business case for getting every developer in our company an Intel SSD drive. The main codebase contains roughly 400,000 lines of code. My theory is that since the code is scattered about in maybe 1500 files, an SSD drive would be substantially faster for compiles. The logic being that many small reads really punishes the seak-time bottle-neck of a traditional hard-drive. Am I right? Is SSD worth the money in productivity gains by reducing the edit/compile cycle time?

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  • map xml element to xsd complexType based on attribute

    - by Joshua Johnson
    Assume there exists an XML instance document that looks like this: <root> <object type="foo"> <!-- ... --> </object> <object type="bar"> <!-- ... --> </object> </root> My goal is to have a small (static) schema that verifies proper <element type="xxx" /> syntax for objects, and another schema (more prone to change) that verifies the contents of each object element against a complexType that matches the type attribute: <complexType name="foo"><!--should match object with type="foo"--></complexType> <complexType name="bar"><!--should match object with type="bar"--></complexType> What is the best way to accomplish this (or something similar)?

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  • Is this a good centralized DVCS workflow?

    - by Chad Johnson
    I'm leaning toward using Mercurial, coming from Subversion, and I'd like to maintain a centralized workflow like I had with Subversion. Here is what I am thinking: stable (clone on server) default (branch) development (clone on server) default (branch) bugs (branch) developer1 (clone on local machine) developer2 (clone on local machine) developer3 (clone on local machine) feature1 (branch) developer3 (clone on local machine) feature2 (branch) developer1 (clone on local machine) developer2 (clone on local machine) As far as branches vs. clones is concerned, does this workflow sense? Do I have things straight? Also, the 'stable' clone IS the release. Does it make sense for the 'default' branch to be the release and what all other branches are ultimately merged into?

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  • Symlinking (ln) faster than moving (mv)?

    - by Chad Johnson
    When we build web software releases, we prepare the release in a temporary directory and then replace the release directory with the temporary one just prepared: # Move and replace existing release directory. mv /path/to/httpdocs /path/to/httpdocs.before mv /path/to/$newReleaseName /path/to/httpdocs Under this scheme, it happens that with about 1 in every 15 releases, a user was using a file in the original release directory exactly at the time the commands above are run, and a fatal error occurs for that user. I am wondering if using symlinking like follows would be significantly faster, in terms of processing time, thereby helping to lessen the likelihood of this problem: # Remove and replace existing release symlink. ln -sf /path/to/$newReleaseName path/to/httpdocs

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  • How does Facebook chat avoid continuous polling of the server?

    - by Chad Johnson
    I am trying to understand how Facebook's chat feature receives messages without continuously poling the server. Firebug shows me a single GET XmlHttpRequest continuously sitting there, waiting for a response from the server. After 5 minutes, this never timed out. How are they preventing timeout? An AJAX request can just sit there like that indefinitely, waiting for a response? Can I do this with JSONRequest? I see this at json.org: JSONRequest is designed to support duplex connections. This permits applications in which the server can asynchronously initiate transmissions. This is done by using two simultaneous requests: one to send and the other to receive. By using the timeout parameter, a POST request can be left pending until the server determines that it has timely data to send. Or is there another way to let an AJAX call just sit there, waiting, besides using JSONRequest?

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  • Why would some POST data go missing when using Uploadify?

    - by Chad Johnson
    I have been using Uploadify in my PHP application for the last couple months, and I've been trying to track down an elusive bug. I receive emails when fatal errors occur, and they provide me a good amount of details. I've received dozens of them. I have not, however, been able to reproduce the problem myself. Some users (like myself) experience no problem, while others do. Before I give details of the problem, here is the flow. User visits edit screen for a page in the CMS I am using. Record id for the page is put into a form as a hidden value. User clicks the Uploadify browse button and selects a file (only single file selection is allowed). User clicks Submit button for my form. jQuery intercepts the form submit action, triggers Uploadify to start uploading, and returns false for the submit action (manually cancelling the form submit event so that Uploadify can take over). Uploadify uploads to a custom process script. Uploadify finishes uploading and triggers the Javascript completion callback. The Javascript callback calls $('#myForm').submit() to submit the form. Now that's what SHOULD happen. I've received reports of the upload freezing at 100% and also others where "I/O Error" is displayed. What's happening is, the form is submitting with the completion callback, but some post parameters present in the form are simply not in the post data. The id for the page, which earlier I said is added to the form as a hidden field, is simply not there in the post data ($_POST)--there is no item for 'id' in the $_POST array. The strange thing is, the post data DOES contain values for some fields. For instance, I have an input of type text called "name" which is for the record name, and it does show up in the post data. Here is what I've gathered: This has been happening on Mac OSX 10.5 and 10.6, Windows XP, and Windows 7. I can post exact user agent strings if that helps. Users must use Flash 10.0.12 or later. We've made it so the form reverts to using a normal "file" field if they have < 10.0.12. Does anyone have ANY ideas at all what the cause of this could be?

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  • Algorithm for parsing a flat tree into a non-flat tree

    - by Chad Johnson
    I have the following flat tree: id name parent_id is_directory =========================================================== 50 app 0 1 31 controllers 50 1 11 application_controller.rb 31 0 46 models 50 1 12 test_controller.rb 31 0 31 test.rb 46 0 and I am trying to figure out an algorithm for getting this into the following tree structuree: [{ id: 50, name: app, is_directory: true children: [{ id: 31, name: controllers, is_directory: true, children: [{ id: 11, name: application_controller.rb is_directory: false },{ id: 12, name: test_controller.rb, is_directory: false }], },{ id: 46, name: models, is_directory: true, children: [{ id: 31, name: test.rb, is_directory: false }] }] }] Can someone point me in the right direction? I'm looking for steps (eg. build an associative array; loop through the array looking for x; etc.).

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  • Help with SSh Tunnel [closed]

    - by Andrew Johnson
    I am running a Django instance locally and doing some Facebook development. So, I set up a port on a remote machine to forward to my local machine, so that Facebook can hit the web server, and have the requests forwarded to my local machine. Unfortunately, I'm getting the following error in my browser when I try and access the page: http://dev.thegreathive.com/ Any idea what I'm doing wrong? I think the problem is on my local machine, since if I kill the SSH tunnel, the error message changes.

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  • Why would some $_POST variables go missing for a form with PHP?

    - by Chad Johnson
    Sometimes, multiple times a day in fact, users of my web application are submitting a certain form which has about a dozen form fields, half of which are hidden fields, and half of the $_POST data is simply not present in the processing script. Note that the fields that are not present are at the very bottom of the form. I know this because this raises a fatal error, and an email is dispatched to me which includes the post data. And of course, neither I nor any of the developers on my team can reproduce the problem. Flash is involved in the process, as I'm using a library called Uploadify to display a progress meter. Here is the flow...does anyone have ANY ideas at all why some of the post data would be getting wiped out? User visits edit screen for a page in the CMS I am using. Record id for the page is put into a form as a hidden value. User clicks the Uploadify browse button and selects a file (only single file selection is allowed). User clicks Submit button for my form. jQuery intercepts the form submit action, triggers Uploadify to start uploading, and returns false for the submit action (manually cancelling the form submit event so that Uploadify can take over). Uploadify uploads to a custom process script. Uploadify finishes uploading and triggers the Javascript completion callback. The Javascript callback calls $('#myForm').submit() to submit the form. This happens on multiple browsers (Firefox 3.5, 3.6, Safari, Internet Explorer 7, 8) and multiple platforms (Mac OS 10.5, 10.6 and Windows XP, 7).

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