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• Piwik Developer Guides : helping you make the most of the Piwik platform

  16 avril 2015, par Piwik Core Team — Community, Development, Plugins

  At Piwik we are creating the leading open analytics platform that gives every user full control over their data. Today we are excited to announce the official launch of the Piwik Developer Guides at developer.piwik.org. The Developer Guides complement existing User Guides and more than 250 FAQs.

  Piwik Developer Guides

  The Developer guides will help you whenever you need to :

  • Integrate Piwik analytics in your website or application — Integration guides explain (1) how to track users of your apps (with JavaScript Tracking or other Tracking API Clients) and (2) how to query Piwik’s reporting data to integrate it into your application (Accessing Piwik data).
  • Develop a new Plugin for Piwik — Plugin development guides introduce the Piwik Platform and explain how to get started with creating a new plugin to extend and customise Piwik.
  • Piwik API references — API References include the references for Tracking API, Analytics API, JavaScript Tracking API and the Database schema.
  • See what’s changed in the platform — Changelog for Piwik platform developers lists all changes to our HTTP API’s, Plugins, Themes, etc.

  Helping Developers innovate with Piwik

  Piwik is an open platform – it is open because users control their data, users control the Piwik software (it is Free/libre software) and also because users can extend the platform via the powerful plugins architecture. Piwik users can already choose from 49 plugins available on the Marketplace ! (as of 2015 April 16th)

  Now that developer guides are officially released, we are hopeful that even more talented developers will be able to create Plugins and distribute them on the Marketplace.

  Share your feedback

  We are committed to providing excellent Developer Guides and to achieve this, we need to hear your feedback and suggestions. To send us a message, click on the “Give Feedback” link in the footer of pages (we are listening !).

  What’s coming next ?

  • Platform Developer Changelog will continue to list all changes to the Piwik Platform and APIs.
  • We will regularly update the guides when there are changes in the platform.
  • We will improve existing guides based on users’ feedback and suggestions (tasks are tracked in this issue tracker on Github.)

  We hope you find the guides useful, and thank you for being part of the Piwik community !

  

• Announcement of a new Translation platform for Piwik translators : Transifex

  21 avril 2015, par Piwik Core Team

  To our dear Translators community,

  Thank you for helping us to translate Piwik into one of the many languages Piwik is available in.

  In this blog post, we are happy to announce a new and better way for you to contribute translations to Piwik.

  From today onwards, all the translations for the Piwik platform, plugins and for the Piwik Mobile app are managed in the public Piwik Transifex project.

  As part of a community request, we decided to switch to a more modern translation tool in order to provide everyone with an easier and better way to contribute to translations. Transifex provides us with a powerful and flexible online translation platform.

  It’s easy to contribute to Piwik translations : sign up to our Transifex project at https://www.transifex.com/projects/p/piwik/ to get started.

  If you have any questions, feel free to come back to us.

  Happy translating !

• C# The specified executable is not a valid application for this OS platform

  22 avril 2015, par Mihai Ciully

  I’m making a Video sharing application(the likes of youtube) for my bachelor degree(the project is done in asp.net web forms)
  And i want to convert any video the user uploads to mp4.For this i’m using the Nreco ffmpeg wrapper for asp.

  I’m doing all this locally and this project is not going live.

  The video conversion is done in a separate thread.

  protected void Upload_Click(object sender, EventArgs e)
  
  {
  
  //File Uploads to Server
  
  Thread t1 = new Thread(
  
  unused => compressVideo(Video_Path, Final_Path,User_id)
  
  );
  
  t1.Start();
  
  }
  
  
  
  public static void compressVideo(string Video_Path, string Final_Path,string UID)
  
  {
  
      var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
  
      ffMpeg2.ConvertProgress += (o, args) =>
  
          {
  
              //SignalR calls.Doing this to update the ui
  
          };
  
  
  
      ffMpeg.ConvertMedia(Video_Path, Final_Path, NReco.VideoConverter.Format.mp4);
  
  }

  First time i did this it all worked fine,not a single problem.
  Two weeks late,after not modifying this page,i try it again and the application throws this exception :

  An unhandled exception of type ’System.ComponentModel.Win32Exception’
  occurred in NReco.VideoConverter.dll

  Additional information : The specified executable is not a valid
  application for this OS platform.

  on the line :

  ffMpeg.ConvertMedia(Video_Path, Final_Path, NReco.VideoConverter.Format.mp4);

  If i call the ffMpeg.ConvertMedia(),the exception is not thrown and the code works as expected.So im guessing it has something to do with threads.But that’s not all.
  After messing around with the code trying to solve this and not succeeding i revert back to the original code.In a last attempt i try it again(with the original code) and the application gave the build error.

  attempted to access an unloaded appdomain.

  Any modification i did to the code was ignored and i was always getting that error when compiling.
  After taking a five minutes break to calm down, i try it again.It magically fixed its self.The build error was gone and even the conversion was working.

  But the dream didn’t last long.After a few minutes the conversion thread started throwing the same exception again.
  I was not able to replicate the same result.

  My experience and knowledge with asp.net web forms and web design in general are fairly low,so please keep the answers as simple as possible.