Planet Erlang http://www.planeterlang.org/en/planet/planet en Planet Erlang Copyright 2010 2010-09-06T19:30:42+00:00 23 October 2010: Erlang Camp Chicago 2010 23rd-24th October http://www.planeterlang.org/en/planet/article/23_October_2010_Erlang_Camp_Chicago_2010_23rd-24th_October/ http://www.planeterlang.org/en/planet/article/23_October_2010_Erlang_Camp_Chicago_2010_23rd-24th_October/ The camp will have 9 amazing sessions, 5 Erlang/OTP experts and by the end of the conference, lots of new Erlang/OTP Experts.

The
Camp is being run by a group of seasoned Erlang professionals from
the Chicagoland Area soon after the publication of Manning’s OTP in
Action which is due in the coming weeks.

For more information on the Camp, take a look at the website. You can also register for the camp here. Erlang Solutions is proud to be one of the sponsors for this years Camp.

]]> Companies, Erlang Solutions 2010-09-06T19:30:42+00:00 06 September 2010: Erlang Solutions sponsors the Erlang Camp Chicago 2010 http://www.planeterlang.org/en/planet/article/06_September_2010_Erlang_Solutions_sponsors_the_Erlang_Camp_Chicago_2010/ http://www.planeterlang.org/en/planet/article/06_September_2010_Erlang_Solutions_sponsors_the_Erlang_Camp_Chicago_2010/ Erlang Solutions are proud to be one of the sponsors for this years Erlang Camp to be held in Chicago on the 23rd-24th October.

The camp will have 9 amazing sessions, 5 Erlang/OTP experts and by the end of the conference, lots of new Erlang/OTP Experts.

The Camp is being run by a group of seasoned Erlang professionals from the Chicagoland Area soon after the publication of Manning’s OTP in Action which is due in the coming weeks.

For more information on the Camp, take a look at the website. You can also register for the camp here.


]]> Companies, Erlang Solutions 2010-09-06T19:30:34+00:00 16 September 2010: London Erlang User Group Meet Up http://www.planeterlang.org/en/planet/article/16_September_2010_London_Erlang_User_Group_Meet_Up/ http://www.planeterlang.org/en/planet/article/16_September_2010_London_Erlang_User_Group_Meet_Up/ Here are the details for the next London Erlang User Group Meeting:




Date : Thursday 16th September 2010

Time : 18:00

Place: Erlang Solutions, London





Advance registration required


Register here




Schedule:

-TBA



The location of our office can be found here.

Here is a map view

]]> Companies, Erlang Solutions 2010-09-03T17:00:41+00:00 Subcontractors, Stockholm Sweden http://www.planeterlang.org/en/planet/article/Subcontractors_Stockholm_Sweden/ http://www.planeterlang.org/en/planet/article/Subcontractors_Stockholm_Sweden/ We are looking for subcontractors available on a full time basis with immediate start on a rolling three months contract.

Roles will involve working as part of a small team of Erlang developers from our Stockholm Office.

You should have experience of developing reliable, fault tolerant applications in Erlang. Experience with linux/bsd, networking, riak and erlang web/nitrogen is highly desirable.

Knowledge of SMS communications protocols, SIP, Telecom and embedded will assist in your consideration for this role.

Immediate start to contract if you are the right person. Rates to reflect skill level and aptitude.

]]> Companies, Erlang Solutions 2010-09-02T14:00:45+00:00 TextOne for iPhone, with photo sharing! http://www.planeterlang.org/en/planet/article/TextOne_for_iPhone_with_photo_sharing/ http://www.planeterlang.org/en/planet/article/TextOne_for_iPhone_with_photo_sharing/ Nicolas Vérité Our iPhone version of TextOne, the simple and fast messenger for smartphones, has received a nice photo sharing feature.

]]> Companies, ProcessOne 2010-09-01T16:00:06+00:00 What’s New in CouchDB 1.0 Security ‘n Stuff http://www.planeterlang.org/en/planet/article/Whats_New_in_CouchDB_1.0_Security_n_Stuff/ http://www.planeterlang.org/en/planet/article/Whats_New_in_CouchDB_1.0_Security_n_Stuff/ Damien Katz  

Today, I get a little help from Rebecca. She’s writing a CouchApp, an
application that is served right out of CouchDB and that lives in the browser.
It has no middle tier application server in Ruby or Java. The application and
display logic is written in JavaScript, the user interface is HTML & CSS, the
backend is CouchDB and uses Ajax to shove JSON back and forth.

What’s new in CouchDB 1.0—Part 4: Security ‘n Stuff: Users, Authentication, Authorisation and Permissions

]]> Blogs, Damien Katz 2010-09-01T02:31:12+00:00 Common Sense, Part 1 http://www.planeterlang.org/en/planet/article/Common_Sense_Part_1/ http://www.planeterlang.org/en/planet/article/Common_Sense_Part_1/ James Hague There’s a photo of mine in the September 2010 issue of Popular Photography. I’m excited about it; my photo credits are few and far between, and it brings back the feelings I had when I wrote for magazines long ago. Completely ignoring the subject of the image, there are couple of surprising facts about it.




The first is that it was a taken on a circa-2004 Canon PowerShot G5, a camera with a maximum resolution of five megapixels.




The second is that it’s a doubly-compressed JPEG. The original photo was a JPEG, then I adjusted the colors and contrast a bit, and saved it out as a new JPEG. Each save lost some of the image quality. I was perfectly willing to submit the adjusted photo as a giant TIFF to avoid that second compression step, but was told not to worry about it; the JPEG would be fine.




Yet there it is: the five megapixel, doubly-compressed photo, printed across almost two pages of the magazine. And those two technical facts are irrelevant. I can’t tell the difference; it looks great in print.




Now it is an impressionistic shot, so it could just be that the technical flaws aren’t noticeable in this case. Fortunately, I have another anecdote to back it up.




Last year I was in New Mexico and took a lot of photos. After I got back home, I decided to get a few photo books printed. The source images were all twelve megapixel JPEGs, but the book layout software recommended a six megapixel limit. I cut the resolution in half, again twice-compressing them. When I got the finished books back, the full-page photos were sharp and beautiful.




The standard, pedantic advice about printing photos is that resolution is everything. Shoot as high as possible. Better yet, save everything as RAW files, so there’s no lossy compression. Any JPEG compression below maximum is unacceptable. Double-compression is an error of the highest order, one only made by rank amateurs. And so it goes. But I know from personal experience that while it sounds authoritative, and while it’s most likely given in a well-meaning manner, it’s advice that’s endlessly repeated in a loose, “how could it possibly be wrong?” sort of way and never actually tested.

]]> Blogs, Programming in the 21st Century 2010-08-31T08:00:00+00:00 Erlang in Russia – Guest Post from Dmitrii Dimandt http://www.planeterlang.org/en/planet/article/Erlang_in_Russia_Guest_Post_from_Dmitrii_Dimandt/ http://www.planeterlang.org/en/planet/article/Erlang_in_Russia_Guest_Post_from_Dmitrii_Dimandt/ Chad DePue Blogs, Erlang Inside 2010-08-30T18:58:43+00:00 Next language to learn: Haskell http://www.planeterlang.org/en/planet/article/Next_language_to_learn_Haskell/ http://www.planeterlang.org/en/planet/article/Next_language_to_learn_Haskell/ Remembering ”The pragmatic programmer: Fro, Journeyman to Master”, each developer should learn a new language each year.
This year, I will give its chance to Haskell.
Why Haskell ?
Scala was a candidate for this year but Haskell has a strong reputation in the functional world. I came to functional with Erlang because of its concurrent and distribution [...]

]]> Blogs, Nicolas Charpentier 2010-08-28T21:36:45+00:00 Personal Programming http://www.planeterlang.org/en/planet/article/Personal_Programming/ http://www.planeterlang.org/en/planet/article/Personal_Programming/ James Hague I’ve mentioned before that this site is generated by a small Perl script. How small? Exactly 6838 bytes, which includes comments and an HTML template. Mentioning Perl may horrify you if you came here to read about Erlang, but it’s a good match for the problem. Those 6838 bytes have been so pleasant to work on that I wanted to talk about them a bit.




I’ve used well-known blogging applications, and each time I’ve come away with the same bad taste, one that’s caused by a combination of quirky rich formatting and having to edit text in a small window inside of a browser. I don’t want to worry about presentation details: choosing fonts, line spacing, etc. It’s surprising how often there are subtle mismatches between the formatting shown in a WYSIWYG editing window and what the final result looks like. Where did that extra blank line come from? Why do some paragraphs have padding below them but others don’t?




I decided to see if I could bypass all of that and have a folder of entries marked-up with basic annotations, then have a way to convert that entire folder into a real site. And that’s pretty much what I ended up with. The sidebar and “Previously” list and dated permalink are all automatically generated. Ditto for the atom feed and archives page. The command-line formatter lets me rebuild any page, defaulting to the newest entry. If I want to change the overall layout of the site, I can regenerate all of the pages in a second or so.




There are still legitimate questions about the path I chose. “Why not grab an open source program and modify it to fit your needs?” “You do realize that you decided to write an entirely new system from scratch, just because you didn’t like a few things in existing programs; surely that’s a serious net loss?”




My response is simple: I did it because it was easy. If I get annoyed with some feature of Microsoft Word, I’m not going to think even for a second about writing my own alternative. But the site generation program just took a bit of tinkering here and there over the course of a weekend. It never felt daunting. It didn’t require anything I’d label as “engineering.” I spent more time getting the site design and style sheet right, something I would have done even if I used other software.




Since then, I’ve made small adjustments and additions to the original script. I added the archive page nine months later. Earlier this year I added a fix for some smaller feed aggregation sites that don’t properly handle relative links. Just today I added mark-up support for block quotes. That last one took ten minutes and four lines of code.




If this suddenly got complicated, if I needed to support reader comments and ten different feed formats and who knows what else, I’d give it up. I have no interest in turning these 6838 bytes into something that requires a grand architecture to keep from collapsing. But there’s some magic in a solution that’s direct, reliable, easy to understand, and one that fits my personal vision of how it should work.




(If you liked this, you might like Micro-Build Systems and the Death of a Prominent DSL.)

]]> Blogs, Programming in the 21st Century 2010-08-28T08:00:00+00:00 Why Large Hadron Collider Scientists are Using CouchDB http://www.planeterlang.org/en/planet/article/Why_Large_Hadron_Collider_Scientists_are_Using_CouchDB/ http://www.planeterlang.org/en/planet/article/Why_Large_Hadron_Collider_Scientists_are_Using_CouchDB/ Damien Katz Nice article on ReadWriteWeb :) http://www.readwriteweb.com/enterprise/2010/08/lhc-couchdb.php

And the case study: http://www.couch.io/case-study-cern

]]> Blogs, Damien Katz 2010-08-27T04:13:48+00:00 Junior Systems Engineer at Erlang Solutions, London, Stockholm or Krakow (travel to client locations http://www.planeterlang.org/en/planet/article/Junior_Systems_Engineer_at_Erlang_Solutions_London_Stockholm_or_Krakow_trav/ http://www.planeterlang.org/en/planet/article/Junior_Systems_Engineer_at_Erlang_Solutions_London_Stockholm_or_Krakow_trav/ With our portfolio of customer facing projects increasing in all our offices, we are looking for talented individuals to join our young and dynamic teams. You will need to be passionate about Erlang and believe it can be the next Java. The right candidate will join a small team of highly skilled systems engineers developing software in Erlang/OTP. You will gain valuable experience in exciting state-of-the-art systems within the Telecom, Financial Services, Banking, Messaging, Automotive and Logistics sectors. As our clients are spread on six continents, fear of flying is unfortunately a “no no”. 

1.    Responsibilities:
•    Research, design, development, test and support of Erlang and related software
•    Develop solutions using distributed concurrent programming, software
            packaging and release
•    Write code in Erlang and occasionally in other languages such as C, Java, Clojure, Haskell, Scala & Objective-C to name but a few of our favourites.

2.    Skills and experience required:
•    Be passionate about Erlang
•    A minimum of 1 year’s Erlang programming even if it has been a hobby or
      academic project
•    Experience with other languages such as C and Java, and it’s always good to have another perspective
•    Knowledge of Distributed Computing, and revision control software 
      (preferably GIT or Subversion)
•    Experience of implementation of soft real time servers
•    Experience with interconnection protocols (HTTP, XMPP, SMPP, ...)
•    Experience with Linux, OS X and Solaris operating systems
•    Experience with web front-end development will be a plus
•    Experience with Agile Methods, including Test Driven Development will be
      an advantage
•    Problem-solving and thinking laterally as part of a team, or individually, to meet the needs of the project
•    Good verbal and written communication in English
•    Good customer facing and presentation skills.

3. Minimum Education, Certification, Training:
A degree in Computer Science, preferably a Masters.

4. Eligibility:
The right candidate will work in a rapidly expanding company and community, receive a competitive salary with full benefits and stock options. Applicants will be considered only if they are currently eligible to work in the EU, but remote work will be considered for ideal candidates.


]]> Companies, Erlang Solutions 2010-08-26T13:30:45+00:00 Open Source Support Engineers at Erlang Solutions, London, Stockholm or Krakow (occasional travel ma http://www.planeterlang.org/en/planet/article/Open_Source_Support_Engineers_at_Erlang_Solutions_London_Stockholm_or_Krako/ http://www.planeterlang.org/en/planet/article/Open_Source_Support_Engineers_at_Erlang_Solutions_London_Stockholm_or_Krako/ We’re looking for people with world class technical and communication skills and a strong desire to see Erlang become the next Java. Experience in supporting and troubleshooting Open Source applications, preferably in Erlang, is a must.
If you know what open source development is all about, we definitively want to hear from you. Experience of trouble-shooting C applications or virtual machines is certainly a plus.
 
1.     Responsibilities:
·      Maintaining Erlang / OTP systems and distributions
·      Working closely with Erlang enthusiasts, the open source community as well as customers’ operational and technical support staff on community patches
·      Maintaining SLAs and response times with our clients
·      Experienced individuals will help establish the support process as well as service levels and agreements
 
2.     Skills and experience required
·      Be passionate about Erlang
·      Superstar trouble-shooting skills in Erlang/OTP 
·      Experience with other languages, including C and Java
·      Experience contributing to or enabling open source
·      Familiarity with Git and other revision control systems
·       Database administration skills in Couchdb, Riak, and obviously Mnesia
·       Experience with Ejabberd, Rabbitmq, Disco and other open source Erlang killer applications
·       Comfortable with Linux, Unix, Vxworks and other embedded/desktop operating systems
·       Experience of providing software support as well as being in previous customer facing roles will be a distinct advantage
·       Good verbal and written communication in English.
 
3. Minimum Education, Certification, Training:
A degree in Computer Science, preferably a Masters.
 
4. Eligibility:
The right candidate will work in a rapidly expanding company and community, receive a competitive salary with full benefits and stock options. Applicants will be considered only if they are currently eligible to work in the EU, but remote work will be considered for ideal candidates.

 

]]> Companies, Erlang Solutions 2010-08-26T13:30:44+00:00 Senior Systems Engineer at Erlang Solutions , Location:  London, Stockholm or Krakow (travel to clie http://www.planeterlang.org/en/planet/article/Senior_Systems_Engineer_at_Erlang_Solutions_Location_London_Stockholm_or_Kr/ http://www.planeterlang.org/en/planet/article/Senior_Systems_Engineer_at_Erlang_Solutions_Location_London_Stockholm_or_Kr/ With our portfolio of customer facing projects increasing in all our offices, we are now looking for talented individuals to join us. They will need to like travel, be passionate about Erlang and see a future in this technology area.
The right candidate will lead and programme in a small team of highly skilled systems engineers in developing Erlang/OTP software to meet customer requirements.
Selected candidates will be leading the development of state-of-the-art Erlang systems in the Telecom, Financial Services, Banking, Messaging, Automotive and Logistics sectors.

1.    Responsibilities:
•    Research, design, development, test and support of Erlang based software
•    Develop solutions using distributed concurrent programming, software
            packaging and release
•    Write code in Erlang and occasionally in other languages such as C, Java, Clojure, Haskell, Scala & Objective-C to name but a few of our favourites
•    Evaluation of open source Erlang killer apps
•    Mentoring and coaching junior staff.

2.    Skills and experience required:
•    Be passionate about Erlang
•    Superstar programming skills in Erlang/OTP, possibly 3 or more years  
•    Experience with other Programming languages
•    Knowledge of Distributed Computing, and revision control software    
      (preferably Git and Subversion)
•    Experience of implementation of soft real time servers
•    Experience with interconnection protocols (HTTP, XMPP, SMPP, ...)
•    Experience with web front-end development is an advantage  
•    Experience with mainstream operating systems, including Linux, OS X &
      Solaris derivatives
•    Experience with Agile Methods, including Test Driven Development
•    Experience of planning, estimating and leading a team is an advantage
•    Good verbal and written communication in English
•    Good presentation skills and public speaking experience.

3. Minimum Education, Certification, Training:
A degree in Computer Science, preferably a Masters.

4. Eligibility:
The right candidate will work in a rapidly expanding company and community, receive a competitive salary with full benefits and stock options. Applicants will be considered only if they are currently eligible to work in the EU, but remote work will be considered for ideal candidates.

]]> Companies, Erlang Solutions 2010-08-26T13:30:44+00:00 25 August 2010: Erlang User Conference Registration Open with a Very-Early Bird Rate!  http://www.planeterlang.org/en/planet/article/25_August_2010_Erlang_User_Conference_Registration_Open_with_a_Very-Early_B/ http://www.planeterlang.org/en/planet/article/25_August_2010_Erlang_User_Conference_Registration_Open_with_a_Very-Early_B/ Registration for the Sixteenth International Erlang User Conference and Erlang University courses are now open. The first 100 people to register will receive a Very-Early Bird Discount and pay only SEK 750 including VAT! DON’T MISS OUT as last year’s conference sold out.

The Sixteenth International Erlang User Conference will take place in Stockholm, on the 16th November 2010.

In addition to the conference itself, there will be the Erlang University - three-day Erlang training courses from 17th to 19th November. There will also be a day of Erlang Tutorials on the 15th.

Registering for one of the University courses: Erlang Express or OTP Express includes entry to the Erlang User Conference, so don’t waste time and register now!

Speakers and talks will be announced shortly.

]]> Companies, Erlang Solutions 2010-08-25T19:30:34+00:00 The Little Comedian http://www.planeterlang.org/en/planet/article/The_Little_Comedian/ http://www.planeterlang.org/en/planet/article/The_Little_Comedian/ Damien Katz Gwen: Knock knock.

Me: Who’s there?

Gwen: Knock knock.

Me: Who’s there?

Gwen: Knock knock.

Me: Who’s there?

Gwen: Banana!

Me: Banana who?

Gwen: Orange you glad I didn’t say orange again?

Us: BWAHAHAHA!

Photo on 2010-08-20 at 18.46.jpg

]]> Blogs, Damien Katz 2010-08-21T03:42:41+00:00 02 December 2010: YOW! Australia: Conference December 6th-7th, Workshops December -Brisbane and Melb http://www.planeterlang.org/en/planet/article/02_December_2010_YOW_Australia_Conference_December_6th-7th_Workshops_Decemb/ http://www.planeterlang.org/en/planet/article/02_December_2010_YOW_Australia_Conference_December_6th-7th_Workshops_Decemb/ Ulf Wiger, Erlang Solutions chief technical advisor, will be presenting a talk titled, “Erlang Warps Your Mind: Concurrency-Oriented Programming” and two workshops, “Erlang: A Language for Programming Reliable Systems” and “Erlang/OTP System Principles”. For more information on his talk click here
 
The YOW! 2010 Australia Software Developer Conference is a unique opportunity  for  you to listen to and talk with international software experts in a relaxed setting.

Dates:
Brisbane: Conference: December 6th-7th

       Workshops: December 8th-9th


Melbourne: Conference: December 2nd-3rd
                    Workshops: November 30th -December 1st



 


]]> Companies, Erlang Solutions 2010-08-20T18:30:42+00:00 Tsung 1.3.3 has been released http://www.planeterlang.org/en/planet/article/Tsung_1.3.3_has_been_released/ http://www.planeterlang.org/en/planet/article/Tsung_1.3.3_has_been_released/ Marek Foss Tsung 1.3.3 fixes severals bugs. It fixes support for SSL with erlang R14A.

Tsung 1.3.3 brings some minor bugfixes.

  • fixed parent proxy not working in 1.3.x (tested with 1.3.2 and 1.3.0).
  • fixed url substitution is broken in some cases
  • fixed Tsung not using sessions with low probabilities
  • fixed SSL not working with erlang R14A
  • fixed failure when a proxy is used and an URL substitution is set
  • fixed HTTP cookies support when a proxy is used
  • fixed hanging at the beginning using distributed setup
  • fixed “if” statement, which is not allowed in a transaction
]]> Companies, ProcessOne 2010-08-19T18:18:31+00:00 12 November 2010: 2010 Erlang User Conference (Stockholm, Sweden) http://www.planeterlang.org/en/planet/article/12_November_2010_2010_Erlang_User_Conference_Stockholm_Sweden/ http://www.planeterlang.org/en/planet/article/12_November_2010_2010_Erlang_User_Conference_Stockholm_Sweden/ The Erlang User Conference is the biggest and the oldest Erlang gathering in the world. The conference brings together delegates from as far afield as the USA, Canada, Australia and New Zealand and in that way has highlighted strengthening interest in Erlang, not only in its ‘birthplace’. At the conference delegates have the opportunity to meet the fathers of Erlang, ask them questions and listen to 14 talks.


The 2010 Erlang User Conference will take place on Tuesday, 16th November in the Astoria cinema,  close to Stureplan. Apart from the conference, on Monday 15th November  there will be ProTest Tutorials taking place and we are also planning the 3-day Erlang training courses to take place on 17th, 18th and 19th November.


 

Last year over 250 delegates  attended the Erlang User Conference - join us for the biggest Erlang gathering in the world!

]]> Companies, Erlang Solutions 2010-08-19T17:30:41+00:00 11 October 2010: Cracow Grid Workshop ’10 11th – 13th October (Krakow, Poland) http://www.planeterlang.org/en/planet/article/11_October_2010_Cracow_Grid_Workshop_10_11th_13th_October_Krakow_Poland/ http://www.planeterlang.org/en/planet/article/11_October_2010_Cracow_Grid_Workshop_10_11th_13th_October_Krakow_Poland/ Ulf Wiger CTO of Erlang Solutions will be presenting  on how Erlang is breaking out of the last century and into today’s modern world at Cracow Grid Workshop ‘10, 11th-13th October.
 
Held at the Conference Centre at the AGH University of Science and Technology, the CGW aims to support the community of researchers, developers, and practitioners who work in the fascinating field of e-Science, grid systems, and their applications.
 
The conference website can be found here.

 




 


]]> Companies, Erlang Solutions 2010-08-19T17:30:41+00:00