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• Box2d: Maximum possible linear velocity?

  - by Rosarch

  I think I've configured Box2d to have some sort of maximum velocity for any body, but I'm not sure. I apply an impulse like (100000000, 100000000), and the body moves just as fast as (100, 100) - which is not that fast at all. My game is a top-down 2d. Here is some code that may be relevant: private readonly Vector2 GRAVITY = new Vector2(0, 0); public void initializePhysics(ContactReporter contactReporter) { world = new World(GRAVITY, true); IContactListener contactListener = contactReporter; world.ContactListener = contactListener; } public void Update(GameTime gameTime) { // ... worldState.PhysicsWorld.Step((float)gameTime.ElapsedGameTime.TotalSeconds, 10, 10); //... }

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• Sumproduct using Django's aggregation

  - by Matthew Rankin

  Question Is it possible using Django's aggregation capabilities to calculate a sumproduct? Background I am modeling an invoice, which can contain multiple items. The many-to-many relationship between the Invoice and Item models is handled through the InvoiceItem intermediary table. The total amount of the invoice—amount_invoiced—is calculated by summing the product of unit_price and quantity for each item on a given invoice. Below is the code that I'm currently using to accomplish this, but I was wondering if there is a better way to handle this using Django's aggregation capabilities. Current Code class Item(models.Model): item_num = models.SlugField(unique=True) description = models.CharField(blank=True, max_length=100) class InvoiceItem(models.Model): item = models.ForeignKey(Item) invoice = models.ForeignKey('Invoice') unit_price = models.DecimalField(max_digits=10, decimal_places=2) quantity = models.DecimalField(max_digits=10, decimal_places=4) class Invoice(models.Model): invoice_num = models.SlugField(max_length=25) invoice_items = models.ManyToManyField(Item,through='InvoiceItem') def _get_amount_invoiced(self): invoice_items = self.invoiceitem_set.all() amount_invoiced = 0 for invoice_item in invoice_items: amount_invoiced += (invoice_item.unit_price * invoice_item.quantity) return amount_invoiced amount_invoiced = property(_get_amount_invoiced)

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• tablesorter pager initial pagination

  - by vikitor

  Hi, This might sound like a very stupid question to some of you, but I assure you I've been checking through the internet and I haven't had any luck about this. My question is: is it possible to set an initial pagination number in the tablesorter pager plugin? By default it takes the 10 option, but I've tried to put a 5 as the selected option and it loads 10 anyway. If I change it and come back to the 5 it will load as said, 5, but not at the beggining. Is there any option when loading the tablesorter? My code for the tablesorter is this: $("#TST").tablesorter({ headers: { 0: { sorter: false }, 4: { sorter: false }, 5: { sorter: false }, 6: { sorter: false} }, sortList: [[1, 0], [2, 0], [3, 0]], widgets: ['zebra'] }) .tablesorterPager({ container: $("#TSTPager"), positionFixed: false //, //pagesize: 5 }); the pagesize attribute I wrote in the tablesorterPager was a test, but it doesn't do what I want it to.

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• Debugging cucumber/gem dependencies

  - by mobmad

  How do you debug and fix gem errors like below? Although the below case is very specific, I'm also looking for solution to related problems like "gem already activated [...]", and resources to gem management/debugging. mycomputer:projectfolder username$ cucumber features Using the default profile... WARNING: No DRb server is running. Running features locally: /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119:Warning: Gem::Dependency#version_requirements is deprecated and will be removed on or after August 2010. Use #requirement can't activate , already activated ruby-hmac-0.4.0 (Gem::Exception) /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:101:in `specification' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `plugins' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `inject' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `each' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `inject' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/locator.rb:81:in `plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:109:in `locate_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:108:in `map' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:108:in `locate_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:32:in `all_plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:22:in `plugins' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/rails/plugin/loader.rb:53:in `add_plugin_load_paths' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:294:in `add_plugin_load_paths' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:136:in `process' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `send' /Users/username/.gem/ruby/1.8/gems/rails-2.3.5/lib/initializer.rb:113:in `run' /Users/username/Documents/projectfolder.0/sites/projectfolder/config/environment.rb:9 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `polyglot_original_require' /Library/Ruby/Gems/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require' ./features/support/env.rb:12 /Library/Ruby/Gems/1.8/gems/spork-0.7.5/lib/spork.rb:23:in `prefork' ./features/support/env.rb:9 /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `polyglot_original_require' /Library/Ruby/Gems/1.8/gems/polyglot-0.2.9/lib/polyglot.rb:70:in `require' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/rb_support/rb_language.rb:124:in `load_code_file' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:84:in `load_code_file' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:76:in `load_code_files' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:75:in `each' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/step_mother.rb:75:in `load_code_files' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/cli/main.rb:47:in `execute!' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/../lib/cucumber/cli/main.rb:24:in `execute' /Library/Ruby/Gems/1.8/gems/cucumber-0.4.4/bin/cucumber:8 /usr/bin/cucumber:19:in `load' /usr/bin/cucumber:19 And this is the output from gem list actionmailer (2.3.5, 2.2.2, 1.3.6) actionpack (2.3.5, 2.2.2, 1.13.6) actionwebservice (1.2.6) activerecord (2.3.5, 2.2.2, 1.15.6) activeresource (2.3.5, 2.2.2) activesupport (2.3.5, 2.2.2, 1.4.4) acts_as_ferret (0.4.4, 0.4.3) adamwiggins-rest-client (1.0.4) aslakhellesoy-webrat (0.4.4.1) aslakjo-comatose (2.0.5.12) authlogic (2.1.3) authlogic-oid (1.0.4) builder (2.1.2) capistrano (2.5.17, 2.5.2) cgi_multipart_eof_fix (2.5.0) configuration (1.1.0) cucumber (0.4.4) cucumber-rails (0.3.0) daemons (1.0.10) database_cleaner (0.5.0) diff-lcs (1.1.2) dnssd (1.3.1, 0.6.0) fakeweb (1.2.8) fastthread (1.0.7, 1.0.1) fcgi (0.8.8, 0.8.7) ferret (0.11.6) gem_plugin (0.2.3) gemcutter (0.4.1) heroku (1.8.0) highline (1.5.2, 1.5.0) hoe (2.5.0) hpricot (0.8.2, 0.6.164) json (1.2.2) json_pure (1.2.2) launchy (0.3.5) libxml-ruby (1.1.3, 1.1.2) linecache (0.43) log4r (1.1.5) mime-types (1.16) mongrel (1.1.5) mysql (2.8.1) needle (1.3.0) net-scp (1.0.2, 1.0.1) net-sftp (2.0.4, 2.0.1, 1.1.1) net-ssh (2.0.20, 2.0.4, 1.1.4) net-ssh-gateway (1.0.1, 1.0.0) nifty-generators (0.3.2) nokogiri (1.4.1) oauth (0.3.6) oniguruma (1.1.0) plist (3.1.0) polyglot (0.2.9) rack (1.1.0, 1.0.1) rack-test (0.5.3) rails (2.3.5, 2.2.2, 1.2.6) rake (0.8.7, 0.8.3) RedCloth (4.2.2, 4.1.1) rest-client (1.4.0) rspec (1.3.0) rspec-rails (1.3.2) ruby-activeldap (0.8.3.1) ruby-debug-base (0.10.3) ruby-debug-ide (0.4.9) ruby-hmac (0.4.0) ruby-net-ldap (0.0.4) ruby-openid (2.1.7, 2.1.2) ruby-yadis (0.3.4) rubyforge (2.0.4) rubygems-update (1.3.6) rubynode (0.1.5) rubyzip (0.9.4) sanitize (1.2.0) sequel (3.0.0) sinatra (0.9.2) spork (0.7.5) sqlite3-ruby (1.2.5, 1.2.4) taps (0.2.26) term-ansicolor (1.0.4) termios (0.9.4) textpow (0.10.1) thor (0.9.9) treetop (1.4.2) twitter4r (0.3.2, 0.3.1) ultraviolet (0.10.2) webrat (0.7.0) will_paginate (2.3.12) xmpp4r (0.5, 0.4)

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• pchart pie chart legend and graph not correlating

  - by madphp

  Hi, I have ten values in the dataset, numbers 1 - 10 and corresponding values. Some of the values are coming back as zero, so they are not added to the chart, BUT, the legend is still listing 1 - 10. Because theres values missing in the chart, the colour coding is knocked off. ie Item 1, has a value of zero, its passed over in the chart, the colour in the legend is red, Item 2, has a value of 4, the percentage is calculated, and the chart gives it the colour red which is the colour for item 1 in the legend. Hope that makes sense. How can I print the legend just for the values that are displayed in the chart? --Mark

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• Irrelevant legend information in ggplot2

  - by Dan Goldstein

  When running this code (go ahead, try it): library(ggplot2) (myDat <- data.frame(cbind(VarX=10:1, VarY=runif(10)), Descrip=sample(LETTERS[1:3], 10, replace=TRUE))) ggplot(myDat,aes(VarX,VarY,shape=Descrip,size=3)) + geom_point() ... the "size=3" statement does correctly set the point size. However it causes the legend to give birth to a little legend beneath it, entitled "3" and containing nothing but a big dot and the number 3. This does the same ggplot(myDat,aes(VarX,VarY,shape=Descrip)) + geom_point(aes(size=3)) Yes, it is funny. It would have driven me insane a couple hours ago if it weren't so funny. But now let's make it stop.

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• struct to bidimensional struct pointer assigment in C

  - by argos.void

  i want to get work this code and i googled and asked in efnet and freenode but i didnt find the answer. what i want i to assign a struct woot to an another bidimensional struct woot *, and i need malloc to do that. then, how can i use malloc there and how to assign the struct? thanks. #include <stdio.h> struct omg { int foo; }; struct woot { struct omg *localfoo; int foo; }; int a = sizeof(struct woot); int main(void){ struct woot *what[10][10] = (struct woot *) malloc(100*a); struct omg hahaha[100]; hahaha[1].foo = 15; what[1][6].localfoo = &hahaha[1]; }

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• Problem with a button's OnClientClick event inside an UpdatePanel

  - by royals

  im using javascript like var TargetBaseControl = null; window.onload = function() { try { //get target base control. TargetBaseControl = document.getElementById('<%= this.GridView1.ClientID %>'); } catch(err) { TargetBaseControl = null; } } function TestCheckBox() { if(TargetBaseControl == null) return false; //get target child control. var TargetChildControl = "chkSelect"; //get all the control of the type INPUT in the base control. var Inputs = TargetBaseControl.getElementsByTagName("input"); for(var n = 0; n < Inputs.length; ++n) if(Inputs[n].type == 'checkbox' && Inputs[n].id.indexOf(TargetChildControl,0) >= 0 && Inputs[n].checked) return true; alert('Select at least one checkbox!'); return false; } and inside the update panel i have code like <asp:Button ID="ButtonSave" runat="server" OnClick="ButtonSave_Click" OnClientClick="javascript:return TestCheckBox();" Text="Save" /> when i run the page and click the button then no more further processing just button has been click nothing happan......

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• Anyone else unable to listen to uncaughtErrorEvent when loaded by another swf?

  - by aaaidan

  When I try to access the uncaughtErrorEvents dispatcher when loaded directly, everything works well. But when I try the same code when loaded by another swf I get a reference error. protected function onAddedToStage(e:Event):void { trace("Flash version: " + Capabilities.version); try { loaderInfo.uncaughtErrorEvents.addEventListener("uncaughtError", onUncaughtError); trace("YAY!"); } catch (e:Error) { trace(e); } } Output when loaded directly (in browser): Flash version: MAC 10,1,53,64 YAY! Output when loaded by another "loader" SWF: Flash version: MAC 10,1,53,64 ReferenceError: Error #1069: Property uncaughtErrorEvents not found on flash.display.LoaderInfo and there is no default value. If others can replicate this I'd be appreciative. EDIT: Also have tried this with stage.loaderInfo, instead of just loaderInfo. Same issue...

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• H12 timeout error on Heroku

  - by snowangel

  Can anyone shed some light on what's causing this timeout error on Heroku (at 2012-07-08T08:58:33+00:00)? The docs say that it's because of some long running process. I've set config.assets.initialize_on_precompile = false in config/application.rb. EmBP-2:bc Emma$ heroku restart Restarting processes... done EmBP-2:bc Emma$ heroku logs --tail 2012-07-08T08:47:21+00:00 heroku[nginx]: 82.69.50.215 - - [08/Jul/2012:08:47:21 +0000] "GET /assets/application.js HTTP/1.1" 200 311723 "https://codicology.co.uk/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" codicology.co.uk 2012-07-08T08:47:21+00:00 heroku[nginx]: 127.0.0.1 - - [08/Jul/2012:08:47:21 +0000] "GET /assets/application.js HTTP/1.0" 200 1311615 "https://codicology.co.uk/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" codicology.co.uk 2012-07-08T08:51:32+00:00 heroku[slugc]: Slug compilation started 2012-07-08T08:54:05+00:00 heroku[api]: Release v145 created by [email protected] 2012-07-08T08:54:05+00:00 heroku[api]: Deploy 8814b2f by [email protected] 2012-07-08T08:54:05+00:00 heroku[web.1]: State changed from up to starting 2012-07-08T08:54:06+00:00 heroku[slugc]: Slug compilation finished 2012-07-08T08:54:09+00:00 heroku[web.1]: Stopping all processes with SIGTERM 2012-07-08T08:54:09+00:00 heroku[worker.1]: Stopping all processes with SIGTERM 2012-07-08T08:54:09+00:00 heroku[web.1]: Starting process with command `bundle exec unicorn -p 22429 -c ./config/unicorn.rb` 2012-07-08T08:54:10+00:00 app[worker.1]: [Worker(host:2046e0bf-e109-40f2-abdb-10f69d224483 pid:1)] Exiting... 2012-07-08T08:54:11+00:00 app[web.1]: I, [2012-07-08T08:54:11.320616 #1] INFO -- : reaped #<Process::Status: pid 8 exit 0> worker=1 2012-07-08T08:54:11+00:00 app[web.1]: I, [2012-07-08T08:54:11.376765 #1] INFO -- : master complete 2012-07-08T08:54:11+00:00 app[web.1]: I, [2012-07-08T08:54:11.376272 #1] INFO -- : reaped #<Process::Status: pid 5 exit 0> worker=0 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.011695 #1] INFO -- : worker=0 spawning... 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.011386 #1] INFO -- : listening on addr=0.0.0.0:22429 fd=3 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.017917 #5] INFO -- : worker=0 spawned pid=5 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.019309 #1] INFO -- : master process ready 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.018250 #5] INFO -- : Refreshing Gem list 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.016768 #1] INFO -- : worker=1 spawning... 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.020863 #8] INFO -- : Refreshing Gem list 2012-07-08T08:54:12+00:00 app[web.1]: I, [2012-07-08T08:54:12.020617 #8] INFO -- : worker=1 spawned pid=8 2012-07-08T08:54:12+00:00 app[worker.1]: SQL (2.9ms) UPDATE "delayed_jobs" SET locked_by = null, locked_at = null WHERE (locked_by = 'host:2046e0bf-e109-40f2-abdb-10f69d224483 pid:1') 2012-07-08T08:54:12+00:00 heroku[web.1]: Process exited with status 0 2012-07-08T08:54:13+00:00 heroku[web.1]: State changed from starting to up 2012-07-08T08:54:14+00:00 heroku[worker.1]: Process exited with status 0 2012-07-08T08:54:14+00:00 heroku[worker.1]: State changed from up to down 2012-07-08T08:54:14+00:00 heroku[worker.1]: State changed from down to starting 2012-07-08T08:54:20+00:00 heroku[worker.1]: Starting process with command `bundle exec rake jobs:work` 2012-07-08T08:54:20+00:00 heroku[worker.1]: State changed from starting to up 2012-07-08T08:54:28+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:54:28+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:54:28+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:54:28+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:54:33+00:00 app[web.1]: Starting the New Relic Agent. 2012-07-08T08:54:33+00:00 app[web.1]: Starting the New Relic Agent. 2012-07-08T08:54:33+00:00 app[web.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:54:33+00:00 app[web.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:54:34+00:00 app[web.1]: 2012-07-08T08:54:34+00:00 app[web.1]: 2012-07-08T08:54:34+00:00 app[web.1]: [DEVISE] Devise.use_salt_as_remember_token is deprecated and has no effect. Please remove it. 2012-07-08T08:54:34+00:00 app[web.1]: 2012-07-08T08:54:34+00:00 app[web.1]: [DEVISE] Devise.use_salt_as_remember_token is deprecated and has no effect. Please remove it. 2012-07-08T08:54:34+00:00 app[web.1]: 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant XLSX 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant XLSX 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:54:34+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:54:41+00:00 app[worker.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:10) 2012-07-08T08:54:41+00:00 app[worker.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:10) 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importadvancecsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpaymentcsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpurchasecsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importadvancecsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpaymentcsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpurchasecsv class 2012-07-08T08:54:45+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importsalecsv class 2012-07-08T08:54:46+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Profitarchive class 2012-07-08T08:54:46+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importsalecsv class 2012-07-08T08:54:46+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Profitarchive class 2012-07-08T08:54:46+00:00 app[web.1]: [paperclip] Duplicate URL for xml with :s3_eu_url. This will clash with attachment defined in Onixarchive class 2012-07-08T08:54:47+00:00 app[web.1]: [paperclip] Duplicate URL for xml with :s3_eu_url. This will clash with attachment defined in Onixarchive class 2012-07-08T08:54:48+00:00 app[web.1]: I, [2012-07-08T08:54:48.467693 #8] INFO -- : worker=1 ready 2012-07-08T08:54:48+00:00 app[web.1]: I, [2012-07-08T08:54:48.823800 #5] INFO -- : worker=0 ready 2012-07-08T08:54:48+00:00 app[worker.1]: Starting the New Relic Agent. 2012-07-08T08:54:48+00:00 app[worker.1]: New Relic Agent not running. 2012-07-08T08:54:48+00:00 app[worker.1]: [Worker(host:1eabe514-7ec9-43b0-835b-ff3bd23bc266 pid:1)] New Relic Ruby Agent Monitoring DJ worker host:1eabe514-7ec9-43b0-835b-ff3bd23bc266 pid:1 2012-07-08T08:54:48+00:00 app[worker.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:54:49+00:00 app[worker.1]: [Worker(host:1eabe514-7ec9-43b0-835b-ff3bd23bc266 pid:1)] Starting job worker 2012-07-08T08:57:54+00:00 heroku[web.1]: State changed from up to starting 2012-07-08T08:57:56+00:00 heroku[web.1]: Stopping all processes with SIGTERM 2012-07-08T08:57:57+00:00 app[web.1]: I, [2012-07-08T08:57:57.047386 #1] INFO -- : reaped #<Process::Status: pid 5 exit 0> worker=0 2012-07-08T08:57:57+00:00 app[web.1]: I, [2012-07-08T08:57:57.047753 #1] INFO -- : reaped #<Process::Status: pid 8 exit 0> worker=1 2012-07-08T08:57:57+00:00 app[web.1]: I, [2012-07-08T08:57:57.047999 #1] INFO -- : master complete 2012-07-08T08:57:57+00:00 heroku[worker.1]: Stopping all processes with SIGTERM 2012-07-08T08:57:58+00:00 heroku[web.1]: Process exited with status 0 2012-07-08T08:57:58+00:00 app[worker.1]: [Worker(host:1eabe514-7ec9-43b0-835b-ff3bd23bc266 pid:1)] Exiting... 2012-07-08T08:57:59+00:00 heroku[web.1]: Starting process with command `bundle exec unicorn -p 29766 -c ./config/unicorn.rb` 2012-07-08T08:58:01+00:00 app[worker.1]: SQL (27.9ms) UPDATE "delayed_jobs" SET locked_by = null, locked_at = null WHERE (locked_by = 'host:1eabe514-7ec9-43b0-835b-ff3bd23bc266 pid:1') 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.070527 #1] INFO -- : listening on addr=0.0.0.0:29766 fd=3 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.070782 #1] INFO -- : worker=0 spawning... 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.074498 #1] INFO -- : worker=1 spawning... 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.075702 #1] INFO -- : master process ready 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.076732 #5] INFO -- : worker=0 spawned pid=5 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.076957 #5] INFO -- : Refreshing Gem list 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.089022 #8] INFO -- : worker=1 spawned pid=8 2012-07-08T08:58:02+00:00 app[web.1]: I, [2012-07-08T08:58:02.089299 #8] INFO -- : Refreshing Gem list 2012-07-08T08:58:02+00:00 heroku[worker.1]: Process exited with status 0 2012-07-08T08:58:02+00:00 heroku[worker.1]: State changed from up to down 2012-07-08T08:58:02+00:00 heroku[worker.1]: State changed from down to starting 2012-07-08T08:58:02+00:00 heroku[web.1]: State changed from starting to up 2012-07-08T08:58:10+00:00 heroku[worker.1]: Starting process with command `bundle exec rake jobs:work` 2012-07-08T08:58:11+00:00 heroku[worker.1]: State changed from starting to up 2012-07-08T08:58:28+00:00 app[worker.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:10) 2012-07-08T08:58:28+00:00 app[worker.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:10) 2012-07-08T08:58:33+00:00 heroku[router]: Error H12 (Request timeout) -> GET codicology.co.uk/ dyno=web.1 queue= wait= service=30000ms status=503 bytes=0 2012-07-08T08:58:33+00:00 heroku[nginx]: 127.0.0.1 - - [08/Jul/2012:08:58:33 +0000] "GET / HTTP/1.0" 503 601 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" codicology.co.uk 2012-07-08T08:58:33+00:00 heroku[nginx]: 82.69.50.215 - - [08/Jul/2012:08:58:33 +0000] "GET / HTTP/1.1" 503 601 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.1.2 Safari/534.52.7" codicology.co.uk 2012-07-08T08:58:42+00:00 app[worker.1]: New Relic Agent not running. 2012-07-08T08:58:42+00:00 app[worker.1]: [Worker(host:b5fa9243-6f9b-4de4-8f64-adab767fe4b0 pid:1)] New Relic Ruby Agent Monitoring DJ worker host:b5fa9243-6f9b-4de4-8f64-adab767fe4b0 pid:1 2012-07-08T08:58:42+00:00 app[worker.1]: Starting the New Relic Agent. 2012-07-08T08:58:42+00:00 app[worker.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:58:43+00:00 app[worker.1]: [Worker(host:b5fa9243-6f9b-4de4-8f64-adab767fe4b0 pid:1)] Starting job worker 2012-07-08T08:58:56+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:58:56+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:58:56+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:58:56+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:6) 2012-07-08T08:59:02+00:00 app[web.1]: Starting the New Relic Agent. 2012-07-08T08:59:02+00:00 app[web.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:59:02+00:00 app[web.1]: Starting the New Relic Agent. 2012-07-08T08:59:02+00:00 app[web.1]: Installed New Relic Browser Monitoring middleware 2012-07-08T08:59:03+00:00 app[web.1]: 2012-07-08T08:59:03+00:00 app[web.1]: [DEVISE] Devise.use_salt_as_remember_token is deprecated and has no effect. Please remove it. 2012-07-08T08:59:03+00:00 app[web.1]: 2012-07-08T08:59:03+00:00 app[web.1]: 2012-07-08T08:59:03+00:00 app[web.1]: [DEVISE] Devise.use_salt_as_remember_token is deprecated and has no effect. Please remove it. 2012-07-08T08:59:03+00:00 app[web.1]: 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant XLSX 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant XLSX 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:59:04+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.3/lib/action_dispatch/http/mime_type.rb:102: warning: already initialized constant PDF 2012-07-08T08:59:22+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importadvancecsv class 2012-07-08T08:59:22+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpaymentcsv class 2012-07-08T08:59:22+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpurchasecsv class 2012-07-08T08:59:22+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importsalecsv class 2012-07-08T08:59:22+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Profitarchive class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importadvancecsv class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpaymentcsv class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importpurchasecsv class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Importsalecsv class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for csv with :s3_eu_url. This will clash with attachment defined in Profitarchive class 2012-07-08T08:59:23+00:00 app[web.1]: [paperclip] Duplicate URL for xml with :s3_eu_url. This will clash with attachment defined in Onixarchive class 2012-07-08T08:59:24+00:00 app[web.1]: [paperclip] Duplicate URL for xml with :s3_eu_url. This will clash with attachment defined in Onixarchive class 2012-07-08T08:59:25+00:00 app[web.1]: I, [2012-07-08T08:59:25.555052 #5] INFO -- : worker=0 ready 2012-07-08T08:59:25+00:00 app[web.1]: 2012-07-08T08:59:25+00:00 app[web.1]: 2012-07-08T08:59:25+00:00 app[web.1]: Started GET "/" for 82.69.50.215 at 2012-07-08 08:59:25 +0000 2012-07-08T08:59:26+00:00 app[web.1]: Processing by PagesController#home as HTML 2012-07-08T08:59:26+00:00 app[web.1]: I, [2012-07-08T08:59:26.043501 #8] INFO -- : worker=1 ready 2012-07-08T08:59:26+00:00 app[web.1]: Rendered pages/home.html.haml within layouts/application (5.7ms) 2012-07-08T08:59:26+00:00 app[web.1]: (1.1ms) SELECT COUNT(*) FROM "delayed_jobs" 2012-07-08T08:59:26+00:00 app[web.1]: Rendered layouts/_header.html.erb (4.2ms) 2012-07-08T08:59:26+00:00 app[web.1]: Rendered layouts/_footer.html.haml (1.4ms) 2012-07-08T08:59:26+00:00 app[web.1]: Completed 200 OK in 326ms (Views: 258.4ms | ActiveRecord: 65.2ms)

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• Transpose a file in bash

  - by Thrawn

  Hi all, I have a huge tab-separated file formatted like this X column1 column2 column3 row1 0 1 2 row2 3 4 5 row3 6 7 8 row4 9 10 11 I would like to transpose it in an efficient way using only using commands (I could write a ten or so lines Perl script to do that, but it should be slower to execute than the native bash functions). So the output should look like X row1 row2 row3 row4 column1 0 3 6 9 column2 1 4 7 10 column3 2 5 8 11 I thought of a solution like this cols=`head -n 1 input | wc -w` for (( i=1; i <= $cols; i++)) do cut -f $i input | tr $'\n' $'\t' | sed -e "s/\t$/\n/g" >> output done But it's slow and doesn't seem the most efficient solution. I've seen a solution for vi in this post, but it's still over-slow. Any thoughts/suggestions/brilliant ideas? :-)

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• TwoWay Binding With ItemsControl

  - by Andrew

  I'm trying to write a user control that has an ItemsControl, the ItemsTemplate of which contains a TextBox that will allow for TwoWay binding. However, I must be making a mistake somewhere in my code, because the binding only appears to work as if Mode=OneWay. This is a pretty simplified excerpt from my project, but it still contains the problem: <UserControl x:Class="ItemsControlTest.UserControl1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="300" Width="300"> <Grid> <StackPanel> <ItemsControl ItemsSource="{Binding Path=.}" x:Name="myItemsControl"> <ItemsControl.ItemTemplate> <DataTemplate> <TextBox Text="{Binding Mode=TwoWay, UpdateSourceTrigger=LostFocus, Path=.}" /> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> <Button Click="Button_Click" Content="Click Here To Change Focus From ItemsControl" /> </StackPanel> </Grid> </UserControl> Here's the code behind for the above control: using System; using System.Windows; using System.Windows.Controls; using System.Collections.ObjectModel; namespace ItemsControlTest { /// <summary> /// Interaction logic for UserControl1.xaml /// </summary> public partial class UserControl1 : UserControl { public ObservableCollection<string> MyCollection { get { return (ObservableCollection<string>)GetValue(MyCollectionProperty); } set { SetValue(MyCollectionProperty, value); } } // Using a DependencyProperty as the backing store for MyCollection. This enables animation, styling, binding, etc... public static readonly DependencyProperty MyCollectionProperty = DependencyProperty.Register("MyCollection", typeof(ObservableCollection<string>), typeof(UserControl1), new UIPropertyMetadata(new ObservableCollection<string>())); public UserControl1() { for (int i = 0; i < 6; i++) MyCollection.Add("String " + i.ToString()); InitializeComponent(); myItemsControl.DataContext = this.MyCollection; } private void Button_Click(object sender, RoutedEventArgs e) { // Insert a string after the third element of MyCollection MyCollection.Insert(3, "Inserted Item"); // Display contents of MyCollection in a MessageBox string str = ""; foreach (string s in MyCollection) str += s + Environment.NewLine; MessageBox.Show(str); } } } And finally, here's the xaml for the main window: <Window x:Class="ItemsControlTest.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:src="clr-namespace:ItemsControlTest" Title="Window1" Height="300" Width="300"> <Grid> <src:UserControl1 /> </Grid> </Window> Well, that's everything. I'm not sure why editing the TextBox.Text properties in the window does not seem to update the source property for the binding in the code behind, namely MyCollection. Clicking on the button pretty much causes the problem to stare me in the face;) Please help me understand where I'm going wrong. Thanx! Andrew

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• jqgrid won't sort

  - by Ohana

  hi, i have a jqgrid to display data, however it won't sort, i followed the examples provided by jqgrid, did i miss anything? jQuery("#list-table").jqGrid({ url:'data/getJSONFile.php?set='+setName+'&list='+listName, datatype: "json", colNames:['id', 'title','author','publisher'], colModel:[ {name:'id',index:'id',width:55, sortable:true}, {name:'title',index:'title',width:150,sorttype:'string'}, {name:'author',index:'author', width:150}, {name:'publisher', index:'publisher', width:200} ], rowNum:10, //autowidth:true, width: 800, rowList:[10,20,30], pager:jQuery('#pager1'), sortname:'id', viewrecords: true, sortorder: "desc", caption:"books list" }); jQuery("#list-table").jqGrid('navGrid', '#pager1',{edit:false, add:false,del:false});

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• UIButton on UIScrollView can't work

  - by william-hu

  Hi, i used UILabel *myLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 10, 180, 180)]; myLabel.backgroundColor = [UIColor greenColor]; [self.view addSubview:myLabel]; UIButton *myButton = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [self addTarget:self action:@selector(show) forControlEvents:UIControlEventTouchDown]; myButton.frame = CGRectMake(80.0, 120.0, 30, 30); myButton.showsTouchWhenHighlighted = YES; [self addSubview:myButton]; in this way the button works(call show:), but use [myLabel addSubview:myButton]; the button can't work. who can tell me why? I have tried to change the target to myLabel, can't work too.So who can tell me,thank you. By the way , i want to use the button on the UILabel,and the UILabel on UIScrollView.Thanks a lot!

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• Asynchronous callback for network in Objective-C Iphone

  - by vodkhang

  I am working with network request - response in Objective-C. There is something with asynchronous model that I don't understand. In summary, I have a view that will show my statuses from 2 social networks: Twitter and Facebook. When I clicked refresh, it will call a model manager. That model manager will call 2 service helpers to request for latest items. When 2 service helpers receive data, it will pass back to model manager and this model will add all data into a sorted array. What I don't understand here is that : when response from social networks come back, how many threads will handle the response. From my understanding about multithreading and networking (in Java), there must have 2 threads handle 2 responses and those 2 threads will execute the code to add the responses to the array. So, it can have race condition and the program can go wrong right? Is it the correct working model of iphone objective-C? Or they do it in a different way that it will never have race condition and we don't have to care about locking, synchronize? Here is my example code: ModelManager.m - (void)updateMyItems:(NSArray *)items { self.helpers = [self authenticatedHelpersForAction:NCHelperActionGetMyItems]; for (id<NCHelper> helper in self.helpers) { [helper updateMyItems:items]; // NETWORK request here } } - (void)helper:(id <NCHelper>)helper didReturnItems:(NSArray *)items { [self helperDidFinishGettingMyItems:items callback:@selector(model:didGetMyItems:)]; break; } } // some private attributes int *_currentSocialNetworkItemsCount = 0; // to count the number of items of a social network - (void)helperDidFinishGettingMyItems:(NSArray *)items { for (Item *item in items) { _currentSocialNetworkItemsCount ++; } NSLog(@"count: %d", _currentSocialNetworkItemsCount); _currentSocialNetworkItemsCount = 0; } I want to ask if there is a case that the method helperDidFinishGettingMyItems is called concurrently. That means, for example, faceboook returns 10 items, twitter returns 10 items, will the output of count will ever be larger than 10? And if there is only one single thread, how can the thread finishes parsing 1 response and jump to the other response because, IMO, thread is only executed sequently, block of code by block of code

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• Max TCP Connections to a machine

  - by A9S6

  I am creating a Windows Service in .NET to which N number of client can connect. The service starts a TCP listener and accepts the client connections. The problem I am facing is that I can only open 10 connections to this service. The listener::AcceptTcpClient() method accepts only 10 connection and throws an exception for 11th one. The client application uses the System.Net.Sockets.TcpClient class and the service is using System.Net.Sockets.TcpListener class. This is the exception that I am getting when I try to make a number of connections in a for loop to this service (after the 10th connection is made): "Unable to read data from Transport connection: An exsting connection was forcibly closed by remote host"

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• JAVA: Sort ArrayList<ArrayList<Integer>> on multiple columns

  - by Bob

  First, I did do my homework searching before posting here. My requirement seems to be slightly different compared to questions posted out there. I have a matrix like ArrayList<ArrayList<Integer>> in the following form | id1 | id2 | score | |-----|-----|-------| | 1 | 3 | 95% | | 1 | 2 | 100% | | 1 | 4 | 85% | | 1 | 5 | 95% | | 2 | 10 | 80% | | 2 | 15 | 99% | I want to sort the matrix column-wise (first using score, then the id1). I already have the id1 in a sorted manner. That means I also need to sort all records with the same id1 first by using score, second by the id2. The reason for doing this is to create a ranking of the id2 in each id1. The result for the above example would be: | q_id | d_id | rank | score | |------|------|------|-------| | 1 | 2 | 1 | 100% | | 1 | 3 | 2 | 95% | | 1 | 5 | 3 | 95% | | 1 | 4 | 4 | 85% | | 2 | 15 | 1 | 99% | | 2 | 10 | 2 | 80% | How can I achieve this in Java using some built-in methods of collections?

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• SQL Server 2008 Restore from Backup fails with error 3241 'cannot process this media family'

  - by pearcewg

  I am attempting to backup a database from a SQL Server instance on one machine and restore it to another, and I am encountering the frequently discovered 'SQL Server cannot process this media family' error. Each of my instances are SQL Server 2008, but with different patch levels Restore: 10.0.2531.0 Backup: 10.0.1600.22 ((SQL_PreRelease).080709-1414 ) The restore DB is express. Not sure about the backup version. The backup version is on a virtual private server. The restore is on my development box. When I restore to a different database on the source (backup) server, it restores fine. Lots of stuff on google about this issue, some on stackoverflow about this issue, but nothing which is this exact situation. Any thoughts? It should be straightforward to do a backup and restore from one machine to another (having done this thousands of times in with SQL 6.5,7,2000,2005).

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• AccessViolationException from a combo: Attempted to read or write protected memory

  - by Sparky

  Users are occassionally getting the above error when using our application (VB.Net, Winforms, using v2 of the framework). I'm not able to reproduce it. The callstack is as follows: : System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam) at System.Windows.Forms.NativeWindow.DefWndProc(Message& m) at System.Windows.Forms.Control.DefWndProc(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ComboBox.WndProc(Message& m) at ControlEx.AutoCompleteCombo.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) The code for ControlEx.AutoCompleteCombo.WndProc is as follows: Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message) Try If Not m_fReadOnly Then MyBase.WndProc(m) Else Select Case m.Msg Case WM_LBUTTONDOWN, WM_LBUTTONDBLCLK ' do nothing Case Else MyBase.WndProc(m) End Select End If Catch ex As OutOfMemoryException Throw New OutOfMemoryException("Exception during WndProc for combo " & Me.Name, ex) End Try End Sub The error handling was added so we can determine which combo causes the problem when we get an OutOfMemoryException. Any clues as to what causes this would be muchly appreciated! :-)

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• WCF Duplex net.tcp issues on win7

  - by Tom

  We have a WCF service with multiple clients to schedule operations amongst clients. It worked great on XP. Moving to win7, I can only connect a client to the server on the same machine. At this point, I'm thinking it's something to do with IPv6, but I'm stumped as to how to proceed. Client trying to connect to a remote server gives the following exception: System.ServiceModel.EndpointNotFoundException: Could not connect to net.tcp://10.7.11.14:18297/zetec/Service/SchedulerService/Scheduler. The connection attempt lasted for a time span of 00:00:21.0042014. TCP error code 10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 10.7.11.14:18297. --- System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 10.7.11.14:18297 The service is configured like so: <system.serviceModel> <services> <service name="SchedulerService" behaviorConfiguration="SchedulerServiceBehavior"> <host> <baseAddresses> <add baseAddress="net.tcp://localhost/zetec/Service/SchedulerService"/> </baseAddresses> </host> <endpoint address="net.tcp://localhost:18297/zetec/Service/SchedulerService/Scheduler" binding="netTcpBinding" bindingConfiguration = "ConfigBindingNetTcp" contract="IScheduler" /> <endpoint address="net.tcp://localhost:18297/zetec/Service/SchedulerService/Scheduler" binding="netTcpBinding" bindingConfiguration = "ConfigBindingNetTcp" contract="IProcessingNodeControl" /> </service> </services> <bindings> <netTcpBinding> <binding name = "ConfigBindingNetTcp" portSharingEnabled="True"> <security mode="None"/> </binding> </netTcpBinding > </bindings> <behaviors> <serviceBehaviors> <behavior name="SchedulerServiceBehavior"> <serviceDebug includeExceptionDetailInFaults="true" /> <serviceThrottling maxConcurrentSessions="100"/> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> I've checked my firewall about a dozen times, but I guess there could be something I'm missing. Tried disabling windows firewall. I tried changing localhost to my ipv4 address to try to keep away from ipv6, I've tried removing any anti-ipv6 code.

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• Too Many Different Cell Formats

  - by Craig

  I have a massive file with 10 sheets recreated from scratch, 12 sheets updated, 5 sheets loaded with raw data, and 7 sheets that are used by the macros for the report. I have recently added a new sheet and am running into the Excel "Too many different cell formats" problem. I have read some of the google search results and they say I should simplify the formatting, but I don't even know how I got up to 4000 distinct cell formats, let alone how much I'm using which ones, so I can remove some. It is also popping up some times the file is run, but not all, until such time as it comes up, and then it happens every time it is run. Since the macro is doing so much of the work, including creating the 10 sheets from scratch, I am not sure what to do. Does anyone know of a Macro I could run to get a listing of all the cell formats and how many cells are using them? Does anyone know of a program they trust to help remove excess cell formats? Thanks, Craig

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• PHP FPDF PDF Page Break Question

  - by Michael

  I am using PHP and FPDF to generate a PDF with a list of items. My problem is if the item list goes on to a second or third page, I want to keep the Item Name, Quantity and Description together. Right now, it will go to a second page, but it may split up all of the details for a particular item. PLEASE HELP! <?php require_once('auth.php'); require_once('config.php'); require_once('connect.php'); $sqlitems="SELECT * FROM $tbl_items WHERE username = '" . $_SESSION['SESS_LOGIN'] . "'"; $resultitems=mysql_query($sqlitems); require_once('pdf/fpdf.php'); require_once('pdf/fpdi.php'); $pdf =& new FPDI(); $pdf->AddPage('P', 'Letter'); $pdf->setSourceFile('pdf/files/healthform/meds.pdf'); $tplIdx = $pdf->importPage(1); $pdf->useTemplate($tplIdx); $pdf->SetAutoPageBreak(on, 30); $pdf->SetTextColor(0,0,0); $pdf->Ln(10); while($rowsitems=mysql_fetch_array($resultitems)){ $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Item Name:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(100,4,$rowsitems['itemname'],0,0,'L'); $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Quantity:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemqty'],0,1,'L'); $pdf->SetFont('Arial','B'); $pdf->Cell(50,4,'Description:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemdesc'],0,1,'L'); } $pdf->Output('Items.pdf', 'I'); ?>

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• How do I keep Visual Studio's Windows Forms Designer from deleting controls?

  - by Sören Kuklau

  With several forms of mine, I occasionally run into the following issue: I edit the form using the designer (Visual Studio 2008, Windows Forms, .NET 2.0, VB.NET) to add components, only to find out later that some minor adjustments were made (e.g. the form's size is suddenly changed by a few pixels), and controls get deleted. This happens silently — event-handling methods automatically have their Handles suffix removed, too, so they never get called, and there's no compiler error. I only notice much later or not at all, because I'm working on a different area in the form. As an example, I have a form with a SplitContainer containing an Infragistics UltraListView to the left, and an UltraTabControl to the right. I added a new tab, and controls within, and they worked fine. I later on found out that the list view's scrollbar was suddenly invisible, due to its size being off, and at least one control was removed from a different tab that I hadn't been working on. Is this a known issue with the WinForms Designer, or with Infragistics? I use version control, of course, so I can compare the changes and merge the deleted code back in, but it's a tedious process that shouldn't be necessary. Are there ways to avoid this? Is there a good reason for this to occur? One clue is that the control that was removed may have code (such as a Load event handler) that expects to be run in run time, not design time, and may be throwing an exception. Could this cause Visual Studio to remove the control?

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• Unable to run winpdb

  - by hekevintran

  I tried to run winpdb.py, but I got an error saying that it could not find wxPython. This is strange to me because I know I have wxPython installed and included in my PYTHONPATH. I can import wx in the Python interpreter. Mac OS X 10.5.8 Python 2.6 PYTHONPATH=/sw/lib/python2.6/site-packages/:/usr/local/lib/wxPython-unicode-2.8.10.1/lib/python2.6/site-packages/wx-2.8-mac-unicode: $ python winpdb.py wxPython was not found. wxPython 2.6 or higher is required to run the winpdb GUI. wxPython is the graphical user interface toolkit used by Winpdb. You can find more information on wxPython at http://www.wxpython.org/ The Unicode version of wxPython is recommended for Winpdb. To use the debugger without a GUI, run rpdb2. What could be causing this?

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• Ubuntu server has slow performance

  - by Rich

  I have a custom built Ubuntu 11.04 server with a 6 disk software RAID 10 primary drive. On it I'm primarily running a PostgreSQL and a few other utilities that stream data from the web. I often find after a few hours of uptime the server starts to lag with all kinds of processes. For example, it may take 10-15 seconds after log-in to get a shell prompt. It might take 5-10 seconds for top to come up. An ls might take a second or two. When I look at top there is almost no CPU usage. There's a fair amount of memory used by the PostgreSQL server but not enough to bleed into swap. I have no idea where to go from here, other than to suspect the RAID10 (I've only ever had software RAID 1's before). Edit: Output from top: top - 11:56:03 up 1:46, 3 users, load average: 0.89, 0.73, 0.72 Tasks: 119 total, 1 running, 118 sleeping, 0 stopped, 0 zombie Cpu(s): 0.2%us, 0.0%sy, 0.0%ni, 93.5%id, 6.2%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 16325596k total, 3478248k used, 12847348k free, 20880k buffers Swap: 19534176k total, 0k used, 19534176k free, 3041992k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1747 woodsp 20 0 109m 10m 4888 S 1 0.1 0:42.70 python 357 root 20 0 0 0 0 S 0 0.0 0:00.40 jbd2/sda3-8 1 root 20 0 24324 2284 1344 S 0 0.0 0:00.84 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0 0.0 0:00.24 ksoftirqd/0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0 7 root RT 0 0 0 0 S 0 0.0 0:00.01 watchdog/0 8 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1 10 root 20 0 0 0 0 S 0 0.0 0:00.02 ksoftirqd/1 12 root RT 0 0 0 0 S 0 0.0 0:00.01 watchdog/1 13 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/2 14 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/2:0 15 root 20 0 0 0 0 S 0 0.0 0:00.00 ksoftirqd/2 16 root RT 0 0 0 0 S 0 0.0 0:00.01 watchdog/2 17 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/3 18 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/3:0 19 root 20 0 0 0 0 S 0 0.0 0:00.02 ksoftirqd/3 20 root RT 0 0 0 0 S 0 0.0 0:00.01 watchdog/3 21 root 0 -20 0 0 0 S 0 0.0 0:00.00 cpuset 22 root 0 -20 0 0 0 S 0 0.0 0:00.00 khelper 23 root 20 0 0 0 0 S 0 0.0 0:00.00 kdevtmpfs 24 root 0 -20 0 0 0 S 0 0.0 0:00.00 netns 26 root 20 0 0 0 0 S 0 0.0 0:00.00 sync_supers df -h rpsharp@ncp-skookum:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 1.8T 549G 1.2T 32% / udev 7.8G 4.0K 7.8G 1% /dev tmpfs 3.2G 492K 3.2G 1% /run none 5.0M 0 5.0M 0% /run/lock none 7.8G 0 7.8G 0% /run/shm /dev/sda2 952M 128K 952M 1% /boot/efi /dev/md0 5.5T 562G 4.7T 11% /usr/local free -m psharp@ncp-skookum:~$ free -m total used free shared buffers cached Mem: 15942 3409 12533 0 20 2983 -/+ buffers/cache: 405 15537 Swap: 19076 0 19076 tail -50 /var/log/syslog Jul 3 06:31:32 ncp-skookum rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1070" x-info="http://www.rsyslog.com"] rsyslogd was HUPed Jul 3 06:39:01 ncp-skookum CRON[14211]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jul 3 06:40:01 ncp-skookum CRON[14223]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 07:00:01 ncp-skookum CRON[14328]: (woodsp) CMD (/home/woodsp/bin/mail_tweetupdate # email an update) Jul 3 07:00:01 ncp-skookum CRON[14327]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 07:00:28 ncp-skookum sendmail[14356]: q63E0SoZ014356: from=woodsp, size=2328, class=0, nrcpts=2, msgid=<[email protected]>, relay=woodsp@localhost Jul 3 07:00:29 ncp-skookum sm-mta[14357]: q63E0Si6014357: from=<[email protected]>, size=2569, class=0, nrcpts=2, msgid=<[email protected]>, proto=ESMTP, daemon=MTA-v4, relay=localhost [127.0.0.1] Jul 3 07:00:29 ncp-skookum sendmail[14356]: q63E0SoZ014356: to=Spencer Wood <[email protected]>,Martin Lacayo <[email protected]>, ctladdr=woodsp (1004/1005), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=62328, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (q63E0Si6014357 Message accepted for delivery) Jul 3 07:00:29 ncp-skookum sm-mta[14359]: STARTTLS=client, relay=mx3.stanford.edu., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256 Jul 3 07:00:29 ncp-skookum sm-mta[14359]: q63E0Si6014357: to=<[email protected]>,<[email protected]>, ctladdr=<[email protected]> (1004/1005), delay=00:00:01, xdelay=00:00:00, mailer=esmtp, pri=152569, relay=mx3.stanford.edu. [171.67.219.73], dsn=2.0.0, stat=Sent (Ok: queued as 8F3505802AC) Jul 3 07:09:08 ncp-skookum CRON[14396]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jul 3 07:17:01 ncp-skookum CRON[14438]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 3 07:20:01 ncp-skookum CRON[14453]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 07:39:01 ncp-skookum CRON[14551]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jul 3 07:40:01 ncp-skookum CRON[14562]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 08:00:01 ncp-skookum CRON[14668]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 08:09:01 ncp-skookum CRON[14724]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jul 3 08:17:01 ncp-skookum CRON[14766]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 3 08:20:01 ncp-skookum CRON[14781]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Jul 3 08:39:01 ncp-skookum CRON[14881]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) Jul 3 08:40:01 ncp-skookum CRON[14892]: (smmsp) CMD (test -x /etc/init.d/sendmail && /usr/share/sendmail/sendmail cron-msp) Output of hdparm -t /dev/sd{a,b,c,d,e,f} This looks suspicious? /dev/sda: Timing buffered disk reads: 2 MB in 4.84 seconds = 423.39 kB/sec /dev/sdb: Timing buffered disk reads: 420 MB in 3.01 seconds = 139.74 MB/sec /dev/sdc: Timing buffered disk reads: 390 MB in 3.00 seconds = 129.87 MB/sec /dev/sdd: Timing buffered disk reads: 416 MB in 3.00 seconds = 138.51 MB/sec /dev/sde: Timing buffered disk reads: 422 MB in 3.00 seconds = 140.50 MB/sec /dev/sdf: Timing buffered disk reads: 416 MB in 3.01 seconds = 138.26 MB/sec

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