Wikimedia Hackathon Zürich 2014

#Wikimedia #Hackathon #Zürich2014 #Cookednews

The next Wikimedia annual development community meet-up — the Wikimedia Hackathon — will be held in Zürich,Switzerland in 2014 from May 911.

It is planned to be a long weekend filled with hacking anything related to MediaWiki or one of the Wikimedia projects (and sometimes other things, too). The Hackathon is completely open; we welcome both seasoned and new developers, as well as people working on MediaWiki, tools, pywikibot, gadgets, extensions, templates, etc.

Previous hackathon events were held all over the world, such as in Amsterdam, Netherlands (2013)Pune, India (2012),San Francisco, USA (2012)Mumbai, India (2011)Brighton, UK (2011)New Orleans, USA (2011)Berlin, Germany (2011) and Washington DC, USA (2010).

Venue and Accommodation

The venue and accommodation will be both at the same site: Youth Hostel ZürichSwitzerland. All conference rooms are available to us including a nice yard. We have a big main conference hall and three workshop rooms. There is a beer bar in the Foyer of the Youth Hostel.

Zürich Youth Hostel
Mutschellenstrasse 114
8038 Zürich (ZH)

Phone: +41 43 399 78 00
Fax: +41 43 399 78 01


The Youth Hostel Zürich offers accommodation in 4-bed rooms. For a surcharge there are also single and double rooms with bath room ensuite.

Workshop Rooms

We have all four workshop rooms of the Hostel booked for us. All rooms have Wifi and a projector.

Name Usage Seats Comments
Room 1 Main Conference Hall 200 theater setup (no tables), adjacent to yard w/ back entrance
Room 2 Workshop 20 workshop setup (tables), adjacent to yard w/ back entrance
Room 3 Workshop Basement 20 workshop setup (tables), basement w/ side entrance and smoking area
Room 4 Workshop Basement 30 workshop setup (tables), basement w/ side entrance and smoking area
Power Adapters

Swiss mains plug and socket

  • Switzerland uses 230 V / 50 Hz power with Type J sockets / plugs.
  • unearthed Europlugs (Type C) are compatible – other European plugs (such as Schuko) are not as their contacts are thicker than the sockets.
  • The Youth Hostels lends power adapters for many common plug types (for free, just a deposit required which will be given back upon return of the adapter).

Meals will be provided by the Youth Hostel in the venue. They serve different options of Halal / Kosher / vegetarian / vegan food by default. Food is marked in English.

We will be provided with a Coffee Station where fresh coffee can be brewed 24/7 in our conference room, including soft drinks. This is free for our participants.

Travel and Directions

Wikimedia CH will send you a public transport ticket, valid May 8th – 12th for Zürich City Centre and Airport, via e-mail. You just have to print it and bring it. You do not need to buy any public transport tickets unless you are going to do your own tour outside the city or do not arrive / leave from Zürich Airport.

The venue can easily be reached by public transport:

  • Zürich Airport (ZRH) to Zürich Hauptbahnhof (main station)
    1. at the airport any train on platform 3 or 4 (via Zürich HB – Main Station)
    2. after 11 minutes get off at Zürich HB (3rd or 1st stop, depending on train type)
  • Zürich Hauptbahnhof (main station) to Zürich Wollishofen
    1. at Zürich Hauptbahnhof take any train on platform 51 or 52 (to Pfäffikon SZ or Horgen Oberdorf)
    2. after 8 minutes get off at Zürich Wollishofen (3rd stop)
  • Zürich Wollishofen to Youth Hostel
    1. walk 550 m / 9 minutes (map)
    • alternatively take Tram line 7 to Zürich Wollishofen
      1. after 3 minutes get off at Zürich Morgental (2nd stop)
      2. switch to bus line 33 to Zürich Bahnhof Tiefenbrunnen
      3. after 1 minute get off at Zürich Jugendherberge (1st stop)
  • Zürich Hauptbahnhof (main station) to Youth Hostel
    1. take Tram line 13 (towards Albisgütli) from Hauptbahnhof to Waffenplatzstrasse
    2. switch to bus line 33 (towards Morgental) or bus line 66 (towards Neubühl) and get off at Thujastrasse.
    3. walk 1 minute to the hostel.

train ticket are only dependant on the relation, not on the train type – you can take any train (S, Regional, IR, IC, ICN…)

Do not buy local transport tickets from / to the airport to / from the Youth Hostel yet as we plan to provide them to you in advance.


Switzerland belongs to the Schengen Area. You can check on the website of the Federal Office for Migration if you need a visa, which requirements apply and which documents / proofs you must submit to obtain a visa. Wikimedia CH will provide Visa Assistance.

  1. Check the box for visa assistance on the registration form and provide us with some additional personal information.
  2. Please use the forms provided by the Federal Office for Migration to apply for a visa in your country.
  3. Submit the visa and the Invitation Letter issued by Wikimedia CH at the Swiss Embassy in your country. Wikimedia CH will send the Invitation Letter to your Embassy as well to facilitate the process.

If you have any questions or issues with the visa process please contact us. We are in good contact with the Federal Office for Migration in Berne.



Thursday May 8 Youth Hostel
14:00 – Registration at Youth Hostel
optional Meet & Greet / Bar
Friday May 9 Room 1 Room 2 Room 3 Room 4
6:00 – 9:30 Breakfast and Hacking
8:00 – 11:00 Registration and Hacking
11:00 – 11:30 Opening
11:30 – 12:30 Introductions
12:30 – 13:30 Lunch
13:30 – 14:30 Workshops
14:30 – 15:30 Workshops
15:30 – 17:00 Hacking
17:00 – 19:00 Dinner
20:00 – 22:00 Party at Dock18
optional Bar & Music and / or late night hacking
Saturday May 10 Room 1 Room 2 Room 3 Room 4
8:00 – 09:30 Breakfast
9:30 – 10:30 Workshops
11:00 – 12:00 Workshops
12:00 – 12:30 Hacking
12:30 – 13:30 Lunch
13:30 – 17:00 Hacking
17:00 – 21:00 Barbecue
optional late night hacking
Sunday May 11 Room 1 Room 2 Room 3 Room 4
8:00 – 09:30 Breakfast
9:30 – 10:30 Workshops
11:00 – 12:00 Workshops
12:00 – 12:30 Hacking
12:30 – 13:30 Lunch
13:30 – 16:30 Hacking
16:30 – 17:00 Closing
17:24 – 18:35 Lake Cruise



Zürich Hackathon 2014/Workshops


Look for topics you would like to work on or add the topic you are interested in and find more interested people!

+ add a topic



Regular contributors plus some newcomers hack together with a shared goal.

Recommendation engines

A lot of regular users end up reading one article on Wikipedia (through Google Search) and other articles which they need as pre-requisites. It would be interesting to have a recommendation engine for Wikipedia, Wikiquotes and Wikisource.

Interested persons:

  1. Aarti Dwivedi
  2. Maximilianklein
  3. <add yourself>

Production-like Vagrant

Our goal is to make a handful of high-priority puppet roles available to MediaWiki-Vagrant to make developer instances of Vagrant closer to a production-like environment. The ultimate idea is to provide a uniform developer-focussed instance to Mediawiki engineers to facilitate better testing of new and existing code, while also making it easy for new engineers to get started hacking on Mediawiki and Mediawiki with minimal friction for bringing new features to production. The first hurdle will be to provide some crucial production services in MediaWiki-Vagrant, which will be our focus for the Hackathon. Possible services to focus on include

  • Varnish
  • SSL
  • MariaDB
  • Memcache/Redis
  • CentralAuth

For more information, view our notes from initial conversations about this project.

Interested persons:

  1. Arthur Richards
  2. Yuvi Panda
  3. Ori Livneh
  4. Matt Flaschen
  5. Bryan Davis
  6. Andrew Otto
  7. QChris
  8. CSteipp
  9. Tony Thomas
  10. Mglaser
  11. Swidmann
  12. Robert Vogel

Maps integration

The idea is to bring pin map templates, geohack, wikiminiatlas, openstreetmap, Extension:Maps, Special:NearBy, mobile, coordinates extension etc etc etc, more together in a way that works for mobile, desktop, micro and macro contributions. It would be handy if before hand we can do some exploratory work to create a more focused effort during the hackathon: Zürich_Hackathon_2014/Geo_Namespace.

Interested persons:

  1. Jdlrobson
  2. TheDJ
  3. MaxSem
  4. Duesentrieb
  5. Kolossos
  6. Susannaanas
  7. Yug
  8. Aude
  9. TheDJ
  10. Micha L. Rieser Maps can also be generated with the data of the open government data portals and QGIS.

Additional sub-topics

Wikimaps project

There are topics for meetings/sprints with a wider developer/designer/GLAM advocate community with the Wikimaps project.

  • Template:Map for archival metadata, geolocation and temporal properties of maps. For inclusion in the GWToolset.
  • Spatiotemporal properties of places. The structure of a historical gazetteer. (OpenHistoricalMap – Wikidata). Informed by academic research.

Anyone interested? —Susannaanas (talk) 09:43, 10 March 2014 (UTC)


It is possible to get the Maps of the open government data portal under CC0: Maybe it would be a good task to “milk” that map and store the maps in Commons. —Micha 11:18, 2 April 2014 (UTC)


Experts meet novices to share knowledge in hands-on tasks.

Intergration of Open Government Data in Wikidata and other Wikimedia projects

There are a lot of open government data developing with interesting data which can be used for wikimedia projects. For example: The data of polls and referendums, the populations of cities and municipalities, the public art in cities (interesting for Wiki Loves Public Art). How can the data of that portals be transfered automatically to the wikimedia projects. For example generating a script on the tool server which checks daily if some numbers have changed. If yes, it transfers the data to wikidata and from there the data is included in the infoboxes of the Wikipedia articles. Or how can the list of public arts or of other objects (ex. fountains) in wikipedia be updated automatically if there is a new object or an object has been removed.

Interested persons:

  1. Micha L. Rieser
  2. <add yourself>

The RACHEL Project

RACHEL ( is now reaching over one million users worldwide who lack access to reliable internet. The project was a weekend prototype by just a few Cisco employees years ago. Please consider lending your web development, perl skills (, or linux ideas to help us enhance this fantastic product (as seen on BBC, CNN, and much more). Currently, foreign language wikipedia inclusion requires running a second webserver dedicated to wikipedia, an inefficient use of resources in places where these are scarce. Help us integrate foreign language wikipedia without running a second server (

Interested persons:

  1. Jeremy Schwartz <>
  2. <add yourself>

Wikibase architecture overview

An introduction to the Wikibase architecture and components aimed at potential new contributors. Wikibase is the software behind the Wikidata project. In this session you will get a high level overview of the wider wikibase codebase, which functionality can be found where, and how the different parts interact. Novice developers can attend, no special knowledge is required.

Interested persons:

  1. Jeroen De Dauw
  2. Mglaser
  3. Robert Vogel
  4. Maximilianklein

Clean Code

Full title: Clean Code, and other requirements for contributing to Wikibase

This is an introduction to the topic of clean code. It covers basic design principles, effective use of tests, and many general best practices. Want to know how to write code that is easier to maintain? Want to avoid spending so much time in the debugger? Want to write code that reads like well written prose? Want to become more effective at the craft of software development? Then this session is definitely for you.

This introduction is broad and covers a lot of ground. While many topics will not be covered in the depth they deserve, references to other material will be provided. The focus on the most common problem points and practical solutions.

A lot of the topics that will be covered are part of the contribution guidelines for the Wikibase software. Examples from Wikibase will also be used in places, though this session is by no means Wikibase specific.

Interested persons:

  1. Jeroen De Dauw
  2. Mglaser
  3. Swidmann
  4. Robert Vogel

Mobile walk-in and talk-in

Is mobile a mystery to you? Can’t get MobileFrontend setup? Don’t understand why your favourite desktop features don’t work on mobile? Want to know how to work on the latest Wikipedia apps? Do you want to make mobile things and don’t know how? Does one of your projects look great on a desktop and terrible on a mobile device?

This workshop will be an unstructured session where you can ask all these questions and get some answers. Members of the mobile team will be available to answer your questions and give you hands on help on anything you need.

Interested persons:

  1. Robert Vogel
  2. <add yourself>

mediawiki.ui for developers

mw-ui-button mw-ui-constructive mw-ui-quiet mw-ui-lolwtfbbq

mediawiki.ui implements the evolving “Agora” visual style for buttons and forms in MediaWiki software. Learn how to apply it in your extensions and gadgets to deliver attractive consistent appearance. Actual real-life visual designers will be on-hand to give you advice and get feedback about what controls would be useful.

Interested persons:

  1. S Page (WMF)
  2. May Galloway
  3. Shahyar Ghobadpour
  4. Tpt
  5. AalekhN
  6. Peter Coombe
  7. Swidmann
  8. Robert Vogel

Flow for bot and tool developers

Flow is a modern discussion and collaboration system for WMF wikis. However, Flow pages aren’t talk pages, so bots and semi-automated editing tools (e.g., Huggle, Twinkle) will have to adapt to handle them. Come explore the new Flow API and help us make improvements that will support some of the most important processes on our projects!

Interested persons:

  1. S Page (WMF)
  2. Benny Situ
  3. Mlitn
  4. Shahyar Ghobadpour
  5. Maryana (WMF)
  6. Ladsgroup
  7. Duesentrieb
  8. Robert Vogel
  9. Maximilianklein

MediaWiki-Vagrant Bootcamp

Introduction to using MediaWiki-Vagrant to manage a development environment for hacking on MediaWiki. We’ll do a really quick high level look at what Vagrant is and how MediaWiki-Vagrant uses and extends it. Then we’ll learn just enough Puppet to understand what “roles” are and how to use them to configure your MediaWiki-Vagrant instance. Participants will then get hands on by creating roles to install and configure extensions used on Commons that are not yet available in MediaWiki-Vagrant.

Interested persons:

  1. Bryan Davis
  2. Greg Grossmeier
  3. Andrew Otto
  4. Tony Thomas
  5. Swidmann
  6. Robert Vogel

Learn to work with Zuul and Jenkins Job Builder

A tutorial with User:Hashar and User:MarkTraceur about how to add and maintain jobs in Jenkins on the WMF infrastructure.

Interested persons:

  1. QChris
  2. Greg (WMF)
  3. Andrew Otto
  4. Nikerabbit
  5. Seb35
  6. Tony Thomas
  7. Bryan Davis

Tool Labs workshop

An event-long workshop with Coren; hands-on migration, debugging and creation of tools on the Tool Labs. Join in and leave at any time; there will be impromptu and planned breakaway tutorials on various related topics as interest demands (planned: using gridengine tutorial, database query optimization (including federated tables), how to deploy web services).

Interested persons:

  1. Tony Thomas
  2. Swidmann
  3. <add yourself>

OAuth Workshop

Tutorial and opportunity to pair with CSteipp to get your tools/bots using OAuth for authentication and/or authorized access into MediaWiki.

Interested persons:

  1. Waldir (for Primerpedia)
  2. <add yourself>

How to help pywikibot

Pywikibot is the most popular framework for running bots but how we can help improving pywikibot? There are several ways to help including solving and reporting bugs, wrangling bugs, bug triage and areas of developing including support of Wikibase and Wikidata, porting functionality from compat to core, and or network optimization (in order to reduce pressure on WMF servers)

Interested persons:

  1. Ladsgroup
  2. Maximilianklein
  3. <add yourself>

Translate extension workshop

Nikerabbit is there to explain how the Translate extension works. Let’s fix your most wanted (or hated) Translate bugs together or work on new features.

Possible bigger topics to work on, depending on the interest:

  • Repository management. is using a collection of shell scripts to manage all repositories where translations are exported to and imported from. Lack of better repository management is blocking further progress on areas like automation of imports and exports.
  • How will page translation work with Parsoid and VisualEditor.
  • Let’s provide more useful statistics about translation activity in nicer format.
  • Translation memory improvements.

Translate extension provides an translation editor, support for many different types of content, translation memory, statistics ad lots more. It is also very old and big extension, while also adopting new technologies like composer and CSS grid based interface.

Interested persons:

  1. Nikerabbit
  2. Nemo
  3. Siebrand
  4. Duesentrieb
  5. Seb35
  6. Thiemo Mättig (WMDE)
  7. Peter Coombe


Using the content handler facility for managing structured content on wikis. This is aimed mainly at extension developers who want to handle non-textual content on wiki pages.

Interested persons:

  1. Duesentrieb
  2. Nikerabbit (If time permits)
  3. Thiemo Mättig (WMDE)
  4. Swidmann
  5. Robert Vogel
  6. Addshore (talk) 10:30, 2 April 2014 (UTC)

Refactoring Core for Fame and Profit

This session will show how to refactor parts of MediaWiki core in order to improve modularity. The focus will be on backwards compatibility and testability. The TitleValue RFC will serve as an example.

Interested persons:

  1. Duesentrieb
  2. Robert Vogel
  3. <add yourself>


Complex questions are discussed in depth until reaching a decision.

Future of version control, bug reporting and other developer tools

See also Project management tools/Review.

It’s been 2 years since we setup the current infrastructure around developer tools with Gerrit and Jenkins. Not everyone’s happy and things break more often than we like. Additionally there’s been rumblings for years about getting rid of Bugzilla. I think it’s high time we have a discussion about what we envision our ideal development environment to be and figure out what it would take to get us there. Are there any tools (hint hint: Phabricator) that can help get us most of the way there?

Interested persons:

  1. Chad
  2. AKlapper
  3. guillom
  4. S Page (WMF)
  5. QChris
  6. Jdforrester (WMF)
  7. Greg (WMF)
  8. Maryana (WMF)
  9. Duesentrieb
  10. Tony Thomas
  11. Waldir
  12. Bryan Davis
  13. Mglaser
  14. Swidmann

Architecture discussion

A continuation of our past architecture meetings where we discuss the future of MediaWiki’s internal design.

Interested persons:

  1. RobLa-WMF
  2. Jdforrester (WMF)
  3. Hoo man
  4. Nikerabbit (depends on the topics)
  5. Duesentrieb
  6. Aude
  7. Bryan Davis
  8. Mglaser
  9. Robert Vogel
  10. Addshore (talk) 10:30, 2 April 2014 (UTC)

Tech People meeting Regular Users

A workshop (preferably in the early evening) to invite local users, beginners but also power users, who want to learn more about MediaWiki, our infrastructure and more. Kind of a “Ask the Developers” session but more informal.

Invite the local Wikipedia meet-up.

Interested persons:

  1. Manuel Schneider
  2. Hoo man Did similar things before, also am de-n
  3. Jdforrester (WMF)
  4. Duesentrieb
  5. Tony Thomas
  6. Swidmann

OpenPGP/GnuPG key signing party

A OpenPGP/GnuPG key signing party to strengthen the Web of Trust. There is no central key registry for this key signing party. Instead it will simply be a paper slipexchange. Bring

  • paper slips with your key id, fingerprint, name & emails, and
  • something to identify yourself (usually a government-issued identification, such as a passport).

If you need to make paper slips, you can for example use generators, or print copies of the output of gpg --fingerprint $YOUR_KEY_ID

Interested persons:

  1. QChris
  2. Nemo Why not.
  3. Duesentrieb
  4. Mglaser
  5. Swidmann
  6. Robert Vogel

Wikidata in 2020

Let’s talk about the long-term plans and ideas you have for Wikidata.

Interested persons:

  1. Lydia Pintscher (WMDE)
  2. Thiemo Mättig (WMDE)
  3. Mglaser
  4. Maximilianklein
  5. Daniel Mietchen
  6. Addshore (talk) 10:30, 2 April 2014 (UTC)


Proposals that seem to need clarification. Feel free moving them in any of the categories above.

Local Wikipedia forks

“Semi-autonomous instances of localized Wikipedia”. Expand on the work of SOS Children, the Rachel Project to create packaged snapshots of Wikipedia contents that can be deployed on local storage e.g. SD cards in a tablet computer, 3G WiFi router, etc. and on a Raspberry Pi, etc. Ideally there’ll be bi-directional updates from the local instance to Wikipedia and from Wikipedia to the local instance – asynchronous synchronization. People using one of these snapshot instances would be able to create new content and revise existing contents. One of the main goals is to help extend the reach locality and relevance of Wikipedia for people throughout the world.

I’ve been doing some work in this area already and will bring hardware, etc. to demo and test our work.

There’s lots of known-unknowns for this project. With your help I hope we’ll be able to

Interested persons:

  1. Julian Harty
  2. <add yourself>

Possibly interested:

  • Not interested if it’s yet another offline Wikipedia work, but I’d be interested if this was focused on Kiwix/ZIM incremental updates + the ability to edit locally (and then submit changes). —Nemo 14:29, 6 February 2014 (UTC)
  • Except for the “edit feature”, what you mean seems to exist already. At least two Kiwix developers will be there during the 3 days. 09:11, 7 February 2014 (UTC)
  • Only interested in the bi-directionality (i.e. “edit feature”). cf. Distributed Wikipedia. —Waldir (talk) 01:56, 18 March 2014 (UTC)

Extend VisualEditor

VisualEditor has been around for quite a while. As an extension developer, it’s time to think about how you can integrate your extension. There are several topics that we’ll need to talk about:

  • How can my extension make use of / add to the VE?
  • Does my code survive the round trip?
  • How is my extension’s code displayed in the VE?
  • How can I write dialogs that allow the user to easily edit my tags?
  • How can I add functionality to the VE in general?

We as a developer community need to explore the workings of the VE, this session is intended to be a starter.

Interested persons:

  1. Mglaser
  2. Jdforrester (WMF)
  3. Thiemo Mättig (WMDE)
  4. Swidmann
  5. Robert Vogel

Possibly interested:

  1. Tpt

The new face of

There’s an initiative to rework We should discuss the plans and outcomes in order to make a site that is easy to use and valuable to all of us, be it users, site maintainers, core and extension developers and any other intersted parties. Let’s go over the new design and make this a state-of-the-art site a so wide spread software like MediaWiki deserves!

Interested persons:

  1. Mglaser
  2. Waldir
  3. Peter Coombe

Performance guidelines

Let’s get a draft of the performance guidelines nitpicked and approved.

Interested persons:

  1. Sharihareswara (WMF)
  2. <add yourself>


This is an unofficial list where participate can indicate their attendance for the Wikimedia Hackathon 2014 in Zürich.

Note that you must register through the registration page to secure your place at the Hackathon and book your accommodation! (click to register)

+ add yourself

There is space for up to 200 persons.

  1. Oarabile Mudongo (talk) 10:33, 23 December 2013 (UTC)
  2. Yuvipanda (talk) 20:43, 26 November 2013 (UTC)
  3. already stayed at the hostel! if anyone has questions about the venue, I can try to help 🙂 Aude (talk) 23:03, 26 November 2013 (UTC)
  4. Jdlrobson (talk) 00:10, 27 November 2013 (UTC)
  5. Juliusz Gonera (talk) 08:52, 27 November 2013 (UTC)
  6. Kelson (talk)
  7. I’m pretty sure I stayed at this hostel before too. Multichill (talk) 17:17, 5 December 2013 (UTC)
  8. Rgaudin (talk) 19:09, 6 December 2013 (UTC)
  9. OrenBochman (talk) 10:35, 7 December 2013 (UTC)
    DerHexer (talk) 20:17, 10 December 2013 (UTC) Probably.
  10. Daniel Mietchen (talk) 20:54, 10 December 2013 (UTC)
  11. perhaps, if someoneelse works together with me to finalise the OpenID extension —Wikinaut (talk) 01:03, 6 January 2014 (UTC)
  12. Magioladitis (talk) 08:58, 7 January 2014 (UTC)
  13. siebrand (talk) 20:04, 7 January 2014 (UTC)
  14. BDavis (WMF) (talk) 20:42, 7 January 2014 (UTC)
  15. Max Semenik (talk) 17:57, 10 January 2014 (UTC)
  16. Arthur Richards (talk) 20:31, 16 January 2014 (UTC)
  17. MarkTraceur (talk) 23:09, 16 January 2014 (UTC)
  18. Nikerabbit (talk) 07:14, 24 January 2014 (UTC)
  19. Daniel Kinzler (WMDE) (talk) 09:35, 30 January 2014 (UTC)
  20. TheDJ (talk) 14:32, 1 February 2014 (UTC)
  21. Addshore (talk) 22:37, 1 February 2014 (UTC) Probably
  22. KartikMistry (talk) 05:38, 5 February 2014 (UTC) May be
  23. Jeph paul (talk) 19:12, 5 February 2014 (UTC)
  24. Julian Harty (talk), 6 February 2014 (UTC) Probably.
  25. Jeroen De Dauw (talk) 00:29, 7 February 2014 (UTC)
  26. Chad. 00:43, 7 February 2014 (UTC)
    /me is sad Petrb (talk) 10:10, 25 February 2014 (UTC)
  27. Petrb (talk) 08:10, 7 February 2014 (UTC)
  28. Reedy (talk) 18:49, 7 February 2014 (UTC)
  29. Viswaprabha (talk) 22:51, 11 February 2014 (UTC)
  30. Hoo man (talk) 23:58, 11 February 2014 (UTC)
  31. Micha L. Rieser (talk) 13:12, 13 February 2014 (UTC) very probably
  32. Jdforrester (WMF) (talk) 23:07, 13 February 2014 (UTC)
  33. AKlapper (WMF) (talk) 23:21, 13 February 2014 (UTC)
  34. Jaredzimmerman (WMF) (talk) 23:37, 13 February 2014 (UTC)
  35. Greg (WMF) (talk) 23:50, 13 February 2014 (UTC)
  36. MGalloway (WMF) (talk) 21:20, 14 February 2014 (UTC)
  37. RashiqAhmad (talk) 11:46, 18 February 2014 (UTC)
  38. RobLa-WMF (talk) 16:46, 19 February 2014 (UTC) change in plan
  39. Gabriel Wicke (GWicke) (talk) 19:16, 19 February 2014 (UTC)
  40. Mlitn (talk) 22:34, 19 February 2014 (UTC)
  41. Harsh Kothari (talk ) 17:31, 21 February 2014 (UTC) Depends on Scholarship
  42. Aaron (talk) 22:07, 21 February 2014 (UTC)
  43. EdSaperia (talk) 14:15, 22 February 2014 (UTC) woooo yay
  44. Chitetskoy (talk) 06:50, 23 February 2014 (UTC) depends on scholarship
  45. stwalkerster [stwalkerster|talk] 00:03, 24 February 2014 (UTC)
  46. Niharika (talk) 03:04, 24 February 2014 (UTC) Depends on scholarship
  47. Thiemo Mättig (WMDE) (talk) 11:55, 24 February 2014 (UTC)
  48. Rangilo Gujarati (talk) 15:28, 24 February 2014 (UTC) Depends on scholarship.
  49. DarTar (talk) 06:50, 25 February 2014 (UTC)
  50. Lantus (talk) 21:10, 25 February 2014 (UTC)
  51. Aalekh (talk) 23:04, 28 February 2014 (UTC) Depends on scholarship
  52. Frank schubert (talk) 18:45, 28 February 2014 (UTC)
  53. 1Veertje (talk) 14:55, 1 March 2014 (UTC)
  54. So close that I can’t skip. —Nemo 12:11, 2 March 2014 (UTC)
  55. Krinkle Krinkle (talk) 22:06, 4 March 2014 (UTC)
  56. Aarti DwivediRtdwivedi (talk) 03:31, 5 March 2014 (UTC)
  57. Tony Thomas (talk) 14:32, 5 March 2014 (UTC) Depends on scholarship
  58. Tina Johnson (talk) 21:08, 5 March 2014 (UTC) Depends on scholarship
  59. brion (talk)
  60. Tpt (talk) Depends on scholarship
  61. Mglaser (talk) 07:56, 7 March 2014 (UTC)
  62. Sylvain WMFr (talk) 11:29, 7 March 2014 (UTC)
  63. Kolossos 20:44, 7 March 2014 (UTC)
  64. Susannaanas (talk) 08:23, 10 March 2014 (UTC)
  65. André Costa (WMSE) (talk) 10:12, 12 March 2014 (UTC)
  66. Christine Corbett
  67. Seb35 [^_^] Depends on scholarship → thanks!
  68. SPQRobin (talk) 22:30, 14 March 2014 (UTC)
  69. Waldir (talk) 07:21, 15 March 2014 (UTC) Depends on scholarship
  70. Rahul21 (talk) 12:32, 16 March 2014 (UTC) Depends on scholarship
  71. Richa Jain —Rjain (talk) 12:45, 16 March 2014 (UTC) Depends on the scholarship
  72. Peter Coombe (talk) 17:19, 20 March 2014 (UTC)
  73. IAlex (talk) 20:13, 23 March 2014 (UTC)
  74. Ilario (talk) 13:30, 25 March 2014 (UTC)
  75. Nonoxb (talk) 19:39, 25 March 2014 (UTC)
  76. Swidmann (talk) 08:17, 28 March 2014 (UTC)
  77. Osnard (talk) 10:50, 28 March 2014 (UTC)
  78. Maximilianklein (talk) 21:09, 28 March 2014 (UTC)
  79. Dan-nl (talk) 15:21, 29 March 2014 (UTC)
  80. Beat Estermann (talk) 08:54, 1 April 2014 (UTC)

See also



please fill in form!


A Eulero il doodle Google di oggi

doodle EuleroGoogle celebra il matematico dell’Illuminismo, e fisico svizzero Eulero con un doodle animato nel 306esimo anniversario della nascita, avvenuta il 17 aprile 1707 a Basilea.

All’anagrafe Leonhard Euler, il nome di Eulero è legato a formule, teoremi ed equazioni ma anche oggetti matematici attraverso l’aggettivo ‘euleriano‘. Tra questi il ciclo euleriano, la funzione euleriana, la catena euleriana.

Eulero aveva perso l’occhio destro appena trentenne, si dice per il troppo lavoro o per aver fissato troppo a lungo il Sole alla ricerca di un nuovo modo per misurare lo scorrere del tempo. A questa perdita Eulero, anche in virtù della sua grande fede, aveva reagito bene, dichiarando ‘Ora avrò minore occasione di distrazione’; consentiva anche agli altri di scherzarci su, come faceva Federico Il Grande di Prussia, alla cui corte Eulero aveva vissuto per 25 anni dal 1741 al 1766, chiamandolo il ‘Ciclope della Matematica’. Per trent’anni l’occhio sinistro aveva retto da solo, ma poi si era spento del tutto, così che la presenza dei due assistenti si era fatta indispensabile.

I contributi di Eulero sono innumerevoli e inestimabili: dall’introduzione di alcune notazioni e simboli fondamentali – come il pi greco ( &pi;), la e per il numero di Nepero (costante fondamentale per lo studio dei logaritmi in analisi, da allora numero di Eulero) o la i per le unità immaginarie, le notazioni di seno coseno in trigonometria e quella f(x) per le funzioni – alla formula di Eulero dei numeri complessi, dalla risoluzione del problema dei sette ponti di Königsberg (che diede il via allo studio dei grafi), alla formula per calcolare molti dei numeri primiper i quali il matematico aveva una passione particolare. E questi non sono che pochi esempi della sua opera.

Sue infatti sono anche alcune tra le più importanti equazioni della geometria e la soluzione di molti problemi di Pierre Fermat, anche se non  dell’ Ultimo di cui diede solo una soluzione parziale. Ma soprattutto è sua quella che viene oggi considerata la formula più bella della matematica, ovvero l’Identità di Eulero: e i&pi;  +1 = 0. A definirla così fu Richard Feynman perché lega tra loro, attraverso gli operatori fondamentali della matematica (uguaglianza, addizione, moltiplicazione ed esponenziazione), alcune tra le costanti, i numeri e i simboli più importanti.

Secondo lo stesso Eulero molte di queste scoperte e intuizioni matematiche sono merito dei figli: la maggiore parte di esse, amava ripetere, gli sono venute alla mente infatti mentre cullava uno dei suoi tredici pargoli, e non mentre si consumava gli occhi sui fogli di calcolo. Del resto, come disse il matematico e fisico francese François Arago: ‘Eulero calcolava senza sforzo apparente, così come gli uomini respirano o le aquile si sostengono nel vento’.

Svizzera: sparatoria all’interno della Kronospan, due morti e sette i feriti

kronospan sparatoria svizzeraEra un dipendente, l’uomo che ha ucciso due persone e ne ha ferite altre sette, alcune in modo grave, questa mattina aprendo il fuoco nella mensa della Kronospan, azienda per la lavorazione del legno a Menznau, vicino a Lucerna, nella Svizzera centrale. Lo ha riferito la polizia del cantone.

La Kronospan, che dopo la sparatoria è stata isolata dalle forze dell’ordine, dà lavoro a 410 persone, ma a causa della crisi economica aveva ridotto la produzione.

Il killer, un padre di famiglia di 42 anni, esperto di arti marziali, lavorava nella falegnameria da 10 anni ed era considerato ‘un uomo tranquillo’ dal suo direttore, Mauro Capozzo. Anche se, a detta di alcuni colleghi, di recente, aveva dato segnali di instabilità. ‘Parlava da solo e aveva delle visioni’, rivelano alcune testimonianze raccolte dopo la tragedia. ‘L’uomo – ha spiegato la polizia nel corso di una conferenza stampa, svoltasi nella sala parrocchiale di Menznau – ha iniziato a sparare nei capannoni, quindi nel corridoio che porta alla mensa, infine in quest’ultimo locale’. Che, in quel momento, era affollato di gente, considerato che, alle 9, gli operai si prendono una pausa per bere il caffè e mangiarsi un gipfel, il tradizionale cornetto elvetico.

‘Quello che è certo è che non ha puntato la sua pistola a casaccio’, hanno detto gli inquirenti, sottintendendo che lo sparatore avesse dei bersagli ben precisi. ‘Stiamo indagando su una controversia che non siamo ancora riusciti a chiarire’, ha detto il capo della polizia criminale del Canton Lucerna, Daniel Bussmann.

L’incidente segue la sparatoria del 2 gennaio scorso a Daillon, piccolo villaggio nel sud della Svizzera, quando un 33enne con problemi psichici e di droga ha ucciso a colpi di arma da fuoco tre donne e ferito due uomini.

Una vicenda che aveva rilanciato il dibattito sull’eccessiva presenza di armi da fuoco, nelle case degli svizzeri. Ce ne sono almeno 2 milioni, una ogni 4 abitanti. Quanto capitato, stamane, nel Canton Lucerna, riproporrà la questione, anche se la lobby delle armi, in Svizzera, e’ altrettanto agguerrita di quella statunitense. Nel frattempo le famiglie delle vittime hanno ricevuto le condoglianze del Governo federale. ‘Quello che è accaduto a Menznau è terribile’, ha detto un portavoce. Domani, intanto, nella chiesa del paese si terrà una funzione funebre.

La Svizzera è il terzo paese al mondo per il numero di armi detenute dai cittadini, dopo Stati Uniti e Yemen.

Davos, Svizzera: Femen nude al World Economic Forum davanti i potenti del mondo

Femen - Alexandra Shevchenko

Femen – Alexandra Shevchenko (Photo credit: Joseph_Paris)

Le Femen non si arrestano davanti al gelo di Davos, in Svizzera: al World Economic Forum, davanti ai potenti del mondo, le tre attiviste ucraine in topless hanno protestato con sei gradi sotto lo zero contro le discriminazioni sessiste e il turismo sessuale.

Sorprendendo le ingenti misure di sicurezza, le tre donne si sono avvicinate alle cancellate che delimitano il perimetro dove si svolge il World Economic Forum, sfidando il freddo e le temperature polari della località alpina nel cantone dei Grigioni.

Le tre attiviste si sono denudate il seno mostrando una scritta a caratteri cubitali: Sos Davos.

Prima di essere agguantate dalla polizia schierata in maniera massiccia, si sono arrampicate sulle barriere mobili di protezione dei ‘big’ presenti ed hanno anche acceso dei fumogeni colorati.

Dopo aver controllato la loro identità la polizia grigionese le ha lasciate andare, secondo quanto dichiarato da un portavoce all’Agenzia Svizzera.

Fermate dalla polizia, le attiviste sono state fatte allontanare, ma non arrestate dagli agenti. Qualche settimana fa la protesta a seno nudo a San Pietro per i diritti dei gay.

Twitter cambia look e si aggiorna

Twitter cambia. Nelle prossime ore 140 milioni di iscritti (attivi) vedranno una schermata completamente diversa. Infatti il social network avrà una nuova grafica che prevede una immagine a fascia in cima ai profili, che ricorda il diario di Facebook.

Il cambio riguarda anche le applicazioni per iPhone, Android e iPad. Il tutto mentre Google plus è sempre più vicino come numero di utenti.

Nuovo look anche per i telefonini. Per quanto riguarda l’applicazione nelle sezioni con le informazioni sui singoli profili c’è un nuovo settore, che mostra le ultime fotografie scattate e condivise sul social network.

Ma le novità maggiori riguardano, in particolare, l’applicazione per iPad, che è stata rifatta completamente per inserire funzioni disponibili da tempo su smartphone e renderla più semplice da utilizzare.

La nuova versione darà più risalto alle fotografie e alle immagini di ogni singolo in modo da facilitare connessioni sul social network. A confermalo anche il chief executive Dick Costolo.

Su, ogni utente potrà caricare più foto e avrà a disposizione non solo più spazio a sinistra del proprio profilo ma nuovi strumenti per immagini più grandi. L’esistente fotografia del profilo, o avatar, apparirà al centro della schermata, e così ogni nuova immagine potrà apparire al cento grazie alle nuove apps e al nuovo look del sito.

‘Upload an all-new header photo on mobile apps for iPad, iPhone and Android or, and the same image will appear whenever anyone views your profile on the web or these apps’  ha detto Twitter. Quindi upload più semplice si foto anche per i telefonini.

‘New profiles also help you get to know people better through their pictures.’ Praticamente il nuovo formato somiglierà un po’ a Facebook, ma non c’è nulla di che preoccuparsi. Saremo sempre su Twitter.

Marissa Mayer è il nuovo CEO di Yahoo!

Ha 37 anni, aspetta un bambino e fino ad ora ha lavorato per Google. Marissa Mayer è la nuova amministratrice delegata di Yahoo, l’azienda  di San Francisco conosciuta in tutto il mondo per i suoi servizi mail e di navigazione Internet, recentemente attaccata dagli hacker su Yahoo! Voice. La Mayer, ex dirigente Google di nuova nomina, avrà un bel da fare.

Il nuovo presidente e amministratore delegato (CEO) di Yahoo avrà il compito di risollevare le sorti della società, in affanno da anni a causa di scelte commerciali poco efficaci, soprattutto di fronte al ruolo di Google sempre più competitivo, e di problemi interni che hanno portato a frequenti sostituzioni dei propri manager e della carica di CEO. Yahoo ha scelto Marissa Mayer per la sua esperienza nel settore delle ricerche online e dei servizi per i singoli utenti, ambiti in cui la società ha faticato a innovare e a mantenere il passo rispetto alla concorrenza di Google.

Marissa Ann Mayer, 37 anni, si è laureata alla Stanford University in scienze. Dopo un master in informatica, si è specializzata nella ricerca sull’intelligenza artificiale. Nel 1999 è stata la ventesima persona a essere assunta da Google e la prima donna a lavorare per la società.

Google non era ancora il Gigante di Mountain View e Yahoo era invece uno dei motori di ricerca più usati e popolari. Nella sua lunga carriera all’interno della società, circa 13 anni, la nuova ad di casa Yahoo! ha contribuito a progettare e rifinire molti dei prodotti che oggi usano centinaia di milioni di persone in tutto il mondo come Gmail, Google News e Google Immagini, iGoogle Google Doodle.  Importante il suo contributo nel definire la classica ed essenziale pagina iniziale del motore di ricerca di Big G.,  quella completamente bianca con il logo di Google e il  searcher in cui inserire la propria ricerca online.

Tre anni fa, Mayer è stata inserita dalla rivista Fortune nella classifica annuale delle 50 donne più potenti e influenti del mondo. Nello stesso anno la rivista Glamour l’ha scelta come donna dell’anno. Ancora nel 2009, Mayer si è sposata con il consulente finanziario Zachary Bogue.

L’annuncio del so nuovo incarico da ieri sta facendo il giro della Rete con Hot Topic su Twitter che riportano il nome di Marissa Mayer e la nomina di CEO di Yahoo subito dopo l’hashtag #Cambiaitalia e prima di Pil.

Dopo la diffusione della notizia da parte di Yahoo e il giro su internet, la nuova CEO ha aggiunto in un tweet di essere incinta. La coppia aspetta un bambino, che dovrebbe nascere a metà ottobre, e probabilmente la Mayer ha deciso di farlo sapere immediatamente per evitare voci e indiscrezioni che avrebbero potuto condizionare ulteriormente l’andamento in borsa di Yahoo. Il nuovo Ceo ha voluto così rivelare al mondo il caso di un colosso Usa che affida parte del suo destino a una donna in dolce attesa.

Il nuovo amministratore delegato di Yahoo! Marissa Mayer, nominata nella notte è diventata la donna più giovane in posizione apicale in una società web.

Laurea a Stanford, in Google nel 1999, diventando subito la prima donna ingegnere del colosso di Mountain View, ‘E’ stata scelta per i suoi trascorsi incomparabili nella tecnologia, design e realizzazione del prodotto’, ha spiegato il presidente di Yahoo! Fred Amoroso. Competenze che la Mayer dovrà sfruttare a pieno, visto il malessere finanziario e le turbolenze interne che attraversano Yahoo!, governata nei cinque anni precedenti da altrettanti ad. La dirigente che avrà un figlio a ottobre ha spiegato di voler prendere una breve maternità. Il sito rimane comunque tra quelli più popolari su internet (700 milioni di visitatori mensili), ma l’azienda ha lottato per monetizzare questo successo di pubblico, sempre più insidiato da Google e Facebook.

Il 2008 è stato un pessimo anno per Yahoo, già in cattive acque. Fu allora che Microsoft si offrì di rilevare la società con una offerta d’acquisto senza precedenti: 44,6 miliardi di dollari per acquisire tutti i diritti della società di San Francisco. L’intenzione di Microsoft era quella di rinforzare la propria posizione nel settore del search engine online, dominato da Google. Il CEO di Yahoo era allora il cofondatore Jerry Yang.

Rifiutata l’offerta, la situazione per Yahoo non migliorò. Iniziarono a esserci grandi contrasti e divisioni nel consiglio di amministrazione, fatto che costrinse Yang alle dimissioni. Al suo posto fu nominata Carol Bartz, CEO determinato non in grado di accrescere la competitività di un’azienda come Yahoo.

Bartz è rimasto in carica fino a settembre dello scorso anno, dopodichè  a gennaio 2012 è stato nominato al suo posto Scott Thompson. Anche in questo caso, nessuno piano di rinnovo per Yahoo a partire dai sevizi. Il nuovo Ceo ha preferito combattere contro Facebook, mettendo in piedi una vera e propria guerra dei brevetti. E’ il periodo dei duemila licenziamenti e di una riorganizzazione interna dell’azienda di San Francisco. Attualmente si è in fase di accordo.

 In seguito a uno scandalo legato a un falso curriculum presentato al momento dell’assunzione, Thompson fu costretto alle dimissioni a maggio, lasciando il posto di CEO vacante fino all’arrivo di Marissa Mayer.

La nomina di Mayer è stata accolta positivamente dagli investitori, con il titolo di Yahoo che nella seduta di ieri a Wall Street ha guadagnato il 2 per cento circa dopo mesi molto difficili. La notizia, spiegano sul Wall Street Journal, ha comunque sorpreso diversi analisti e dirigenti Yahoo, che ora temono l’ennesimo periodo di riordino interno alla dirigenza e la nascita di nuovi attriti.

Con la scelta di Marissa Mayer, la Web society ha comunque voluto dimostrare di tornare alle origini, alla realizzazione di prodotti per i singoli utenti, molti dei quali se non la maggior parte usano la posta elettronica, apprezzandone molto il servizio antivirus e antispam e lasciando in secondo piano le altre attività.

Ed ecco il press release della compagnia

 ‘Yahoo! (NASDAQ:YHOO) today announced that it has appointed Marissa Mayer as President and Chief Executive Officer and Member of the Board of Directors effective July 17, 2012. The appointment of Ms. Mayer, a leading consumer internet executive, signals a renewed focus on product innovation to drive user experience and advertising revenue for one of the world’s largest consumer internet brands, whose leading properties include Yahoo! Finance, Yahoo! Sports, Yahoo! Mobile, Yahoo! Mail, and Yahoo! Search.

Mayer said, ‘I am honored and delighted to lead Yahoo!, one of the internet’s premier destinations for more than 700 million users. I look forward to working with the Company’s dedicated employees to bring innovative products, content, and personalized experiences to users and advertisers all around the world.’

marissamayer @marissamayer
@ Yahoo!
San Francisco, CA ·

Create a free website or blog at