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Django shop owner here who would like to ask other (ex/current) Django developers, who made (or not made) the change to the Phoenix/Elixir world, to share real world stories about what went good and what went not so good.

We have been developing Django applications for more than a decade and we enjoy all the bells and whistles and also the accessibility of Python. While I also have some fond memories with Erlang (game backend has been running for many-many years) giving a lot of confidence in the OTP platform and its concurrency model. Changing languages and frameworks seems quite scary.

I enjoy reading posts like https://news.ycombinator.com/item?id=32530203 and it's been a while since it’s been asked.

It would be great, if you could share some recent examples and what pain point you had that you could accomplish better or worse in either of the worlds.

One thing that we hope to get from developing a project in Phoenix is that ECTO is much closer to SQL. While building a financial product where not just OLTP but also OLAP like dynamic queries need to be developed and maintained. It's a constant pain to get Django's ORM to behave the way we like and not put extra joins on the annotation/aggregation. Lot of the time we do think in SQL and then translate this into ORM, mostly to be Django friendly and to keep the safety checks from the framework.

If you read so far and have some React vs LV insights, that would also be great, although that’s for another Ask HN :)

are u in budapest? i've got a free room and wifi:) feel free to come by. p

In the last few years, we have built and used some simple tools that we found very useful in keeping in touch with our mobile customers. On the following post, link below, I write a bit more about it.

What do you think about it? Would you use it?

http://blog.bitongo.com/index.php/2012/09/our-customer-communication-tools/

Bit more than a year ago, we created the project called Budapest Cycle Track. The idea is simple: there are many cyclers in Budapest but where do they ride exactly? Which are the busiest routes?

With the iPhone or Android apps cyclers can track their routes and upload them on a common map. The results are beautiful.

With UrbanCyclr we'd like to do the same but globally.

Full screen map: http://www.urbancyclr.com/static/map.html

If you think you can create more beautiful maps than fusion tables don't hesitate to contact me :)

For the enthusiasts, here is a video that KIBU made using the data: http://www.youtube.com/watch?v=qBkw_NRvJq0

We've an iOS app that lets you create arts similar to ASCII art but with fonts and letters (http://fontify.it) and looking for a service (like zazzle or redbubble) that has an iOS library that enables that service inapp.

From a user experience perspective: It would be so much better to buy posters/mugs from the app where it was created than exporting it/putting it on some desktop then go to that website, or first search for it then register, oh no where did I put that file again, ah nevermind.

From a business perspective: Apple doesn't seem to ban apps that sell goods inapp: eBay. (Maybe both, but ) one of the sites mentioned above sells only on their website even though they let sellers create their own website. I guess this is to upsell by cross promotion ("continue shopping" message + similar products after the purchase).

Do you know any quality service that already offers this?

or, if any of you reading can do printing/delivery but needs devs we are more than happy to implement it :) (should you dislike fontify, think about printing photos =])