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  • STI and polymorphs

    - by Alexey Poimtsev
    Hi, I have problem with my code class Post < ActiveRecord::Base end class NewsArticle < Post has_many :comments, :as => :commentable, :dependent => :destroy, :order => 'created_at' end class Comment < ActiveRecord::Base belongs_to :commentable, :polymorphic => true, :counter_cache => true end And on attempt go get comments for some NewsArticle i see in logs something like Comment Load (0.9ms) SELECT "comments".* FROM "comments" WHERE ("comments"."commentable_id" = 1 and "comments"."commentable_type" = 'Post') ORDER BY created_at Strange that "commentable_type" = 'Post'. What's wrong? PS: Rails 2.3.5 && ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10]

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  • Arbitrary attributes error with has_one association and Factory Girl

    - by purpletonic
    I'm trying to build a basic shopping cart for a Rails app I'm working on. Nothing special, - the shopping cart has many line_items - each line_item has_one product associated and a quantity with it class Cart < ActiveRecord::Base attr_accessible :line_items has_many :line_items, :dependent => :destroy end class LineItem < ActiveRecord::Base attr_accessible :quantity, :product belongs_to :cart has_one :product end I'm trying to use RSpec to test this association, but i'm doing something wrong as I'm getting an error that says: DEPRECATION WARNING: You're trying to create an attribute 'line_item_id'. Writing arbitrary attributes on a model is deprecated, and I'm not sure why. In my factories.rb file I'm defining the line_item factory as follows: factory :line_item do quantity { Random.rand(1..5) } product end factory :cart do factory :cart_with_two_line_items do ignore do line_item_count 2 end after(:create) do |cart, evaluator| FactoryGirl.create_list(:line_item, evaluator.line_item_count, cart_id: cart) end end end Any pointers where I'm going wrong, it's probably something basic, but I'm still quite new to Rspec. Thanks in advance.

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  • Account confirmation email sent as SPAM

    - by praveen
    I am using PHPMailer to send a confirmation email for newly registered users in my social network. But I found out most of them have ended up in user's spam list. (Hotmail and Yahoo). How to avoid this? This is my script $mail=new PHPMailer(); $mail->IsSMTP(); $mail->SMTPAuth = mSMTPAuth(); $mail->SMTPSecure = mSMTPSecure(); $mail->Host = mHost(); $mail->Port = mPort(); $mail->Username = mUsername(); $mail->Password = mPassword(); $mail->From = mFrom(); $mail->FromName = "SiteName"; $mail->Subject = "SiteName New Account Activation"; $mail->IsHTML(true); $mail->WordWrap = 50; $mail->Body = "<h2>Welcome to " .$sitename. " " .$username. "! </h2><br><br>"; $mail->Body .= "Please click on the link below to verify your email address:<br><br>"; $mail->Body .= "<a href='".$base. "verify.php?a=" .$gen_key."'>".$base. "verify.php?a=" .$gen_key."</a>"; $mail->Body .= "<br><br>Regards<br>"; $mail->AltBody = "Welcome to " .$sitename. " " .$username. "!\n\nTo verify your email address, please click on the link below:\n\n".$base. "verify.php?a=" .$gen_key; $mail->AddAddress($email); $mail->Send(); $mail->ClearAddresses();

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  • How to override a class method of the gem in rails Application ?

    - by Srinivas Iyer
    Hi, Best practice to Override a class method of the gem in rails Application . I need to override the behaviour of the find method of a gem. following is the code in the gem module Youtube class display attr_accessor :base def find(id, options = {}) detailed = convert_to_number(options.delete(:detailed)) options[:detailed] = detailed unless detailed.nil? base.send :get, "/get_youtube", options.merge(:youtube_id => id) end end end How do i override the above find method in my YoutubeSearch Controller of Rails Application ? def find(id, options = {}) //Code here end Thanks

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  • Testing a Django view cause "AttributeError: 'NoneType' object has no attribute 'handler500'" error

    - by jack
    I just wanted to start testing a Django view using the code below: from django.test.client import Client c = Client() response = c.get('/search/keyword') print response.content It just throws out following error message: "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 286, in get response = self.request(**r) File "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 230, in request response = self.handler(environ) File "/usr/local/lib/python2.6/dist-packages/django/test/client.py", line 74, in __call__ response = self.get_response(request) File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py", line 143, in get_response return self.handle_uncaught_exception(request, resolver, exc_info) File "/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py", line 178, in handle_uncaught_exception callback, param_dict = resolver.resolve500() File "/usr/local/lib/python2.6/dist-packages/django/core/urlresolvers.py", line 268, in resolve500 return self._resolve_special('500') File "/usr/local/lib/python2.6/dist-packages/django/core/urlresolvers.py", line 258, in _resolve_special callback = getattr(self.urlconf_module, 'handler%s' % view_type) AttributeError: 'NoneType' object has no attribute 'handler500' The view works in browser. What's wrong with above code?

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  • Ruby 1.8.7 compatibility

    - by Sebastian
    I had a exception when I switch to Ruby 1.8.7 on Snow Leopard ArgumentError: wrong number of arguments (1 for 0) /Library/Ruby/Gems/1.8/gems/activerecord-1.15.5/lib/active_record/connection_adapters/abstract/quoting.rb:27:in 'to_s' /Library/Ruby/Gems/1.8/gems/activerecord-1.15.5/lib/active_record/connection_adapters/abstract/quoting.rb:27:in 'quote' /Library/Ruby/Gems/1.8/gems/activerecord-1.15.5/lib/active_record/connection_adapters/mysql_adapter.rb:190:in 'quote' /Library/Ruby/Gems/1.8/gems/activerecord-1.15.5/lib/active_record/base.rb:2042:in 'quote_value' /Library/Ruby/Gems/1.8/gems/activerecord-1.15.5/lib/active_record/base.rb:2034:in 'attributes_with_quotes' Application uses Rails 1.2.5: there is no chance to update rails in this app. Somebody have solution?

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  • Trouble Extending Network with Apple Airport Extreme (PC won't connect with Ethernet)

    - by 0x783czar
    So I have an Apple Airport Extreme base station that I use to create a wifi network at my house. But on a separate story from this station i have a PC (running Windows 7) that does not have a wireless card. Luckily, I have another Airport Extreme Base Station, so I figured I'd have my second station "extend" the existing network. I asked Apple if this was possible, which it was, and walked through the setup wizard to extend the network. Then I ran an ethernet cable from the Station to my PC. However the PC refuses to connect to the Internet. It says it can access the network, "Unidentified Network (Limited Connectivity)", but that's it. It tells me that my computer does not have an IP address. I tried running the cable to another computer (my Apple MacBook Pro) and got a similar error. Any thoughts?

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  • How to call a Thor task multiple times?

    - by deepak
    Thor like Rake (and Make) has task management. If I call a task multiple times, it will effectively call the task only once. How can I call a task multiple times? I tried modifying the @_invocations hash, but that did not work: require 'csv' require './config/environment' class MisReport < Thor desc "all", "generate mysql and postgres mis" def all generate("pg_mis_report", "pg") generate("mysql_mis_report", "mysql") end desc "generate", "generate mis report" def generate(file_name = "mis_report_#{Time.now.to_s(:number)}", connection = "postgres") if connection == "pg" puts "== postgres database" ActiveRecord::Base.establish_connection :development_mysql else puts "== mysql database" ActiveRecord::Base.establish_connection :development end # generate MIS puts puts "mis file is at: #{file_path}" end end

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  • java.sql.SQLWarning: [Microsoft][SQLServer 2000 Driver for JDBC]Database changed to X

    - by adisembiring
    Hi all, I'm using Hibernate 3.2.1 and database SQLServer2000 while I'm try to insert some data using my dao, some warning occurred like this: java.sql.SQLWarning: [Microsoft][SQLServer 2000 Driver for JDBC]Database changed to BTN_SPP_DB at com.microsoft.jdbc.base.BaseWarnings.createSQLWarning(Unknown Source) at com.microsoft.jdbc.base.BaseWarnings.get(Unknown Source) at com.microsoft.jdbc.base.BaseConnection.getWarnings(Unknown Source) at org.hibernate.util.JDBCExceptionReporter.logAndClearWarnings(JDBCExceptionReporter.java:22) at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:443) at org.hibernate.jdbc.ConnectionManager.aggressiveRelease(ConnectionManager.java:400) at org.hibernate.jdbc.ConnectionManager.afterTransaction(ConnectionManager.java:287) at org.hibernate.jdbc.JDBCContext.afterTransactionCompletion(JDBCContext.java:221) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:119) at co.id.hanoman.btnmw.spp.dao.TagihanDao.save(TagihanDao.java:43) at co.id.hanoman.btnmw.spp.dao.TagihanDao.save(TagihanDao.java:1) at co.id.hanoman.btnmw.spp.dao.test.TagihanDaoTest.testSave(TagihanDaoTest.java:81) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99) at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75) at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45) at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66) at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35) at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42) at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34) at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) my hibernate initialization log is: 2010-04-26 22:54:05,203 INFO [Version] Hibernate Annotations 3.3.0.GA 2010-04-26 22:54:05,234 INFO [Environment] Hibernate 3.2.1 2010-04-26 22:54:05,234 INFO [Environment] hibernate.properties not found 2010-04-26 22:54:05,234 INFO [Environment] Bytecode provider name : cglib 2010-04-26 22:54:05,234 INFO [Environment] using JDK 1.4 java.sql.Timestamp handling 2010-04-26 22:54:05,343 INFO [Configuration] configuring from resource: /hibernate.cfg.xml 2010-04-26 22:54:05,343 INFO [Configuration] Configuration resource: /hibernate.cfg.xml 2010-04-26 22:54:05,406 DEBUG [DTDEntityResolver] trying to resolve system-id [http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd] 2010-04-26 22:54:05,406 DEBUG [DTDEntityResolver] recognized hibernate namespace; attempting to resolve on classpath under org/hibernate/ 2010-04-26 22:54:05,406 DEBUG [DTDEntityResolver] located [http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd] in classpath 2010-04-26 22:54:05,453 DEBUG [Configuration] hibernate.dialect=org.hibernate.dialect.SQLServerDialect 2010-04-26 22:54:05,453 DEBUG [Configuration] hibernate.connection.driver_class=com.microsoft.jdbc.sqlserver.SQLServerDriver 2010-04-26 22:54:05,453 DEBUG [Configuration] hibernate.connection.url=jdbc:microsoft:sqlserver://12.56.11.65:1433;databaseName=BTN_SPP_DB 2010-04-26 22:54:05,453 DEBUG [Configuration] hibernate.connection.username=spp 2010-04-26 22:54:05,453 DEBUG [Configuration] hibernate.connection.password=spp

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  • How to define one-to-many connection between a same model through another model

    - by Mekajiki
    I want to define one-to-many relationship as follows; User has one introducer User has many newcomers(who is introduced by the user) Use "Introduction" model instead of adding a column to users table. My table and model definition is as follows; DB Scheme: create_table "introductions", force: true do |t| t.integer "introducer_id" t.integer "newcomer_id" t.datetime "created_at" t.datetime "updated_at" User model: class User < ActiveRecord::Base has_many :introductions, foreign_key: :introducer_id has_many :newcomers, through: :introductions, source: :newcomer belongs_to :introduction, foreign_key: :newcomer_id belongs_to :introducer end Introduction model: class Introduction < ActiveRecord::Base belongs_to :introducer, class_name: 'User' belongs_to :newcomer, class_name: 'User' end This works fine: user1.newcomers.push user2 but, user2.introducer # => nil How can I define belongs_to relationship correctly?

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  • Cannot install Ruby on CentOS

    - by James
    Hey folks, I just cannot install Ruby on my CentOS (which is also hosting a cPanel). sudo yum install ruby ruby-devel ruby-irb ruby-rdoc ruby-ri audit_log_user_command(): Connection refused Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile base: mirror.sov.uk.goscomb.net updates: mirror.sov.uk.goscomb.net addons: mirror.sov.uk.goscomb.net extras: mirror.sov.uk.goscomb.net base | 1.1 kB 00:00 updates | 951 B 00:00 addons | 951 B 00:00 extras | 1.1 kB 00:00 Excluding Packages in global exclude list Finished Setting up Install Process Parsing package install arguments No package ruby available. No package ruby-devel available. No package ruby-irb available. No package ruby-rdoc available. No package ruby-ri available. Nothing to do What can be the problem? Thanks

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  • hackage package dependencies and future-proof libraries

    - by yairchu
    In the dependencies section of a cabal file: Build-Depends: base >= 3 && < 5, transformers >= 0.2.0 Should I be doing something like Build-Depends: base >= 3 && < 5, transformers >= 0.2.0 && < 0.3.0 (putting upper limits on versions of packages I depend on) or not? I'll use a real example: my "List" package on Hackage (List monad transformer and class) If I don't put the limit - my package could break by a change in "transformers" If I do put the limit - a user that uses "transformers" but is using a newer version of it will not be able to use lift and liftIO with ListT because it's only an instance of these classes of transformers-0.2.x I guess that applications should always put upper limits so that they never break, so this question is only about libraries: Shall I use the upper version limit on dependencies or not?

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  • UIView Clipped By Statusbar until Autorotate

    - by TonyNeallon
    Hi There, Ive created a multiview application that uses multiple controllers to display and control views. The problem Im having is, when the simulator initially loads the view the header is partially covered by the bar at top of screen and the tool bar at the base is not touching the base of the screen. I used the Interface builder size attributes to control the view when the iphone rotates and it works perfectly. All smaps into place perfectly both in landscape and portrait mode AFTER a rotation but the problem is with the initial load before a rotation occurs. Your thoughts a much appreciated. Tony

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  • Haskell compile time function calculation

    - by egon
    I would like to precalculate values for a function at compile-time. Example (real function is more complex, didn't try compiling): base = 10 mymodulus n = n `mod` base -- or substitute with a function that takes -- too much to compute at runtime printmodules 0 = [mymodulus 0] printmodules z = (mymodulus z):(printmodules (z-1)) main = printmodules 64 I know that mymodulus n will be called only with n < 64 and I would like to precalculate mymodulus for n values of 0..64 at compile time. The reason is that mymodulus would be really expensive and will be reused multiple times.

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  • Rail plugin acts_as_taggable_on :through

    - by Craig
    I have two models: class Employee < ActiveRecord::Base has_many :projects end class Project < ActiveRecord::Base acts_as_taggable_on :skills, :roles end I would like to find Employees using the tags associated with their projects. The geokit-rails plugin supports a similar concept, using its ':through' relationship. Ideally, I would be able to: specify which tags (i.e. skills, roles) would be included in the conditions order the employees by the total number of projects with matching tags be able to access the matching-tag count for each employee for the purposes of building a tag cloud Any thoughts would be appreciated.

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  • How to show percentage of 'memory used' in a win32 process?

    - by pj4533
    I know that memory usage is a very complex issue on Windows. I am trying to write a UI control for a large application that shows a 'percentage of memory used' number, in order to give the user an indication that it may be time to clear up some memory, or more likely restart the application. One implementation used ullAvailVirtual from MEMORYSTATUSEX as a base, then used HeapWalk() to walk the process heap looking for additional free memory. The HeapWalk() step was needed because we noticed that after a while of running the memory allocated and freed by the heap was never returned and reported by the ullAvailVirtual number. After hours of intensive working, the ullAvailVirtual number no longer would accurately report the amount of memory available. However, this method proved not ideal, due to occasional odd errors that HeapWalk() would return, even when the process heap was not corrupted. Further, since this is a UI control, the heap walking code was executing every 5-10 seconds. I tried contacting Microsoft about why HeapWalk() was failing, escalated a case via MSDN, but never got an answer other than "you probably shouldn't do that". So, as a second implementation, I used PagefileUsage from PROCESS_MEMORY_COUNTERS as a base. Then I used VirtualQueryEx to walk the virtual address space adding up all regions that weren't MEM_FREE and returned a value for GetMappedFileNameA(). My thinking was that the PageFileUsage was essentially 'private bytes' so if I added to that value the total size of the DLLs my process was using, it would be a good approximation of the amount of memory my process was using. This second method seems to (sorta) work, at least it doesn't cause crashes like the heap walker method. However, when both methods are enabled, the values are not the same. So one of the methods is wrong. So, StackOverflow world...how would you implement this? which method is more promising, or do you have a third, better method? should I go back to the original method, and further debug the odd errors? should I stay away from walking the heap every 5-10 seconds? Keep in mind the whole point is to indicate to the user that it is getting 'dangerous', and they should either free up memory or restart the application. Perhaps a 'percentage used' isn't the best solution to this problem? What is? Another idea I had was a color based system (red, yellow, green, which I could base on more factors than just a single number)

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  • Sunspot_Rails Rake Aborted When Running Reindex

    - by Walter Chen
    I'm getting the following output after running rake sunspot:reindex. I'm a novice at Rails. I want to add sunspot_rails to my project to add search functionality (with the hope of deploying the project with Heroku). I'm using Rails 3. I followed the instructions here: https://github.com/outoftime/sunspot/blob/master/sunspot_rails/README.rdoc. My various other attempts to diagnose the problem included: installing sunspot in addition to sunspot_rails. I ended up with sunspot_rails v. 1.2.0 and 1.2.1 so I uninstalled 1.2.1 because I have sunspot_rails 1.2.0. installed the nokogiri gem which I understand is a dependency for sunspot_rails. installed libxml2 separately following the instructions here to install nokogiri: http://www.engineyard.com/blog/2010/getting-started-with-nokogiri/ ** Invoke sunspot:reindex (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute sunspot:reindex rake aborted! undefined local variable or method counter' for [removed pound]<Class:0x10359aef8> /Library/Ruby/Gems/1.8/gems/activerecord-3.0.3/lib/active_record/base.rb:1008:inmethod_missing' /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/searchable.rb:235:in solr_index' /Library/Ruby/Gems/1.8/gems/activerecord-3.0.3/lib/active_record/relation/batches.rb:71:infind_in_batches' /Library/Ruby/Gems/1.8/gems/activerecord-3.0.3/lib/active_record/base.rb:440:in __send__' /Library/Ruby/Gems/1.8/gems/activerecord-3.0.3/lib/active_record/base.rb:440:infind_in_batches' /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/searchable.rb:234:in solr_index' /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/searchable.rb:184:insolr_reindex' /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/tasks.rb:57 /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/tasks.rb:56:in each' /Library/Ruby/Gems/1.8/gems/sunspot_rails-1.2.0/lib/sunspot/rails/tasks.rb:56 /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:incall' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in execute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:ineach' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in execute' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:ininvoke_with_call_chain' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in synchronize' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:ininvoke_with_call_chain' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in invoke' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:ininvoke_task' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:ineach' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:instandard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in top_level' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:inrun' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in standard_exception_handling' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:inrun' /Library/Ruby/Gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:in `load' /usr/bin/rake:19 This is what I have in class I'd like to search: searchable do text :fname text :mname text :lname, :default_boost => 2 end Any help would be greatly appreciated!

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  • CruiseControl.rb: Error in plugin EmailNotifier: 501 5.1.7 Bad sender address syntax?

    - by Justin
    Hi guys, I can't seem to figure this out. I setup my email address in cruisecontrol.rb but no matter how I set it, it always gives me this error. Current settings are: project/cruise_config.rb: project.email_notifier.emails = ['[email protected]'] project.email_notifier.from = '[email protected]' site_config.rb: ActionMailer::Base.smtp_settings = { :address => "localhost", :domain => "myemail.com", } I've even tried ActionMailer::Base.delivery_method = :sendmail Configuration.email_from = '[email protected]' Any thoughts as to why my cruisecontrol can't send an e-mail? Thanks! Justin

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  • Is it possible to overwrite a static method in parent class?

    - by MartinDenny2069
    I have a static method defined in a base class, I want to overwrite this method in its child class, is it possible? I tried this but it did not work as I expected. When I created an instance of class B and invoke its callMe() method, the static foo() method in class A is invoked. public abstract class A { public static void foo() { System.out.println("I am base class"); } public void callMe() { foo(); } } Public class B { public static void foo() { System.out.println("I am child class"); } }

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  • Rails Unit Testing with MyISAM Tables

    - by tadman
    I've got an application that requires the use of MyISAM on a few tables, but the rest are the traditional InnoDB type. The application itself is not concerned with transactions where it applies to these records, but performance is a concern. The Rails testing environment assumes the engine used is transactional, though, so when the test database is generated from the schema.rb it is imported with the same engine. Is it possible to over-ride this behaviour in a simple manner? I've resorted to an awful hack to ensure the tables are the correct type by appending this to test_helper.rb: (ActiveRecord::Base.connection.select_values("SHOW TABLES") - %w[ schema_info ]).each do |table_name| ActiveRecord::Base.connection.execute("ALTER TABLE `#{table_name}` ENGINE=InnoDB") end Is there a better way to make a MyISAM-backed model be testable?

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  • Opinions Required: Custom HTML Markup from PHP with or without tag prefix.

    - by buggedcom
    I've created a class in PHP that allows you to create custom HTML markup. It basically works a bit like FB Markup or EE tags. It works off a tag prefix, so you can add tags like this. <ctag:pagination per_page="20" total="500" page="0" base="http://localhost/page?page={page}" mode="smart" adjecents="5" /> My question is: Is the markup above better than the markup below? I'm asking as I'm considering branching my code to rework the tag matching so you can just generate custom html elements. It would well for a drop in HTML5 replacement service. Match the User Agent for a none HTML5 browser and replace the HTML5 elements with your own replacements. <pagination per_page="20" total="500" page="0" base="http://localhost/page?page={page}" mode="smart" adjecents="5" /> PS, if anybody wants to look at the class I've put a download here.

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  • belongs_to with a custom class_name not producing proper foreign key in Rails 3

    - by Tony
    I am updating an application to Rails 3 and I am having trouble creating a custom foreign key. I have something like this: class Product < ActiveRecord::Base belongs_to :owner, :class_name => 'User' ... end class User < ActiveRecord::Base has_many :products ... end class ProductsController < ApplicationController before_filter :authenticate_user! def index @products = current_user.products end end The view: <%- @products.each do |p| -%> <%= p.created_at %><br /> <%- end -%> I get this error in my Rails log: Mysql::Error: Unknown column 'products.user_id' in 'where clause': SELECT `products`.* FROM `products` WHERE (`products`.user_id = 1) It should see the belongs_to :owner and look for a foreign key called owner_id. I even tried explicitly setting the foreign key and that does not work. I also checked lighthouse for a possible Rails 3 bug but no luck.

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  • polymorphic hql

    - by Berryl
    I have a base type where "business id" must be unique for a given subclass, but it is possible for there to be different subclasses with the same business id. If there is a base type with a requested id but of the wrong subclass I want to return null, using a named query. The code below does this, but I am wondering if I can avoid the try/catch with a better HQL. Can I? Cheers, Berryl current hql <query name="FindActivitySubjectByBusinessId"> <![CDATA[ from ActivitySubject act where act.BusinessId = :businessId ]]> </query> current fetch code public ActivitySubject FindByBusinessId<T>(string businessId) where T : ActivitySubject { Check.RequireStringValue(businessId, "businessId"); try { return _session.GetNamedQuery("FindActivitySubjectByBusinessId") .SetString("businessId", businessId) .UniqueResult<T>(); } catch (InvalidCastException e) { // an Activity Subject was found with the requested id but the wrong type return null; } }

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  • Conditional relation

    - by Lowgain
    I've got a model like this: Stem -id -etc And then I have Stemrelation -stem_id -related_stem_id -active I can get the related stems with the following relations class Stem < ActiveRecord::Base has_many :stemrelations has_many :related_stems, :through => :stemrelations end class Stemrelation < ActiveRecord::Base belongs_to :stem belongs_to :related_stem, :class_name => "Stem", :foreign_key => "related_stem_id" end But now I'd only like to get the active relations. I tried adding this to the Stem model: has_many :active_related, :through => :stemrelations, :source => :related_stem, :conditions => {:active => true} but this gives me an error becasue it tries to check the active flag on the stem model instead of the stemrelation. What do I change here? Thanks!

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