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elixir

A collection of 14 posts

Use Wit.ai Natural Language Processing in Elixir for bots

When creating bots you have to converse with the users and maintain context of the conversation so you can understand the intent of the users, do the necessary actions and provide users with the information they need. Doing it all by yourself is a large undertaking as it involves doing

Create messenger bots using Elixir and Microsoft bot framework

Microsoft recently released the bot framework [https://dev.botframework.com/] to create bots for various messaging platforms such as Slack, Facebook, Telegram etc. It provides a unified interface for all of these platforms so you can reach your customers wherever they are. In this tutorial we are going to see

Guts of Phoenix websocket channels

> Final results from Phoenix channel benchmarks on 40core/128gb box. 2 million clients, limited by ulimit#elixirlang [https://twitter.com/hashtag/elixirlang?src=hash] pic.twitter.com/6wRUIfFyKZ [https://t.co/6wRUIfFyKZ] — Chris McCord (@chris_mccord) October 28, 2015 [https://twitter.com/chris_mccord/status/659430661942550528] I knew that Phoenix

What's 'use' statement in Elixir?

> use just calls the __using__ macro on the specified module. You might have run into that explanation of use but that does not explain much even though that's exactly what it does. You might have used the use statement in Elixir if you run into using OTP, Phoenix, Ecto or

Binary pattern matching in Elixir with PNG parsing example

Dealing with binary data has always been a pickle in OOP language. Pattern matching is very fundamental to Elixir making the functions much more descriptive. I was very pleased to see that the pattern matching was not just limited to tuple, list etc. but extended to binary data as well.

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Spacemacs and Alchemist to make Elixir of immortality

Ok, lets be clear; this post is not about immortality, that will be for next time :). Instead its about transitioning to a combination of Emacs, Vim and Alchemist for an awesome development experience for Elixir. My setup for development in Elixir relied upon combination of Vim and Tmux, as for

Monads in Elixir

This post is not about what monads are, I expect that you already know about them. The post is to see how you can use monads in Elixir using already created libraries. Monads are a great way of handling side effect in functional language. It makes the code much more

Elixir Phoenix framework embedded image for Raspberry Pi 2

Phoenix [http://www.phoenixframework.org/] is a great framework and I think it will do for soft-realtime applications what Rubby on Rails did for typical CRUD applications i.e. make it really easy to create such kind of applications. With all the different devices we interact with, Phoenix is also

Blinking LED using Elixir embedded image on Raspberry Pi

In the April Seattle Erlang/Elixir Meetup [http://www.meetup.com/Seattle-Erlang-User-Group/] the awesome guys at Rose Point Navigation [http://rosepointnav.com/default.htm] gave a demo of burning Elixir/Erlang application as part of a custom built image and then running it on Raspberry Pi. This was very interesting

Railway Oriented Programming in Elixir

It would be a great world if everything ran without errors. Validating inputs from users and handling various other kinds of error ranging from databases access, file access, network issues or any other is a reality of the software. We all have written programs where the cases of handling erros

Elixir Cowboy with IIS 8

HttpPlatformHandler: Microsoft recently release the HttpPlatformHandler [http://azure.microsoft.com/blog/2015/02/04/announcing-the-release-of-the-httpplatformhandler-module-for-iis-8/] module for IIS 8+. This module will allow any process that can receive request on some port to be used in IIS. What this means is that you can now host server of any language

Connecting Elixir nodes in Azure

What is location transparency "In computer networks, location transparency is the use of logical names to identify network resources, independent of both the user's location and the resource location." - Wikipedia [http://en.m.wikipedia.org/wiki/Location_transparency] In distirbuted systems its is very beneficial if you can program

Using ElasticSearch in Elixir

ElasticSearch [http://www.elasticsearch.com/products/elasticsearch/] is a document database, not in the typical sense, topped up with a Lucene [http://lucene.apache.org/] for doing free form text search on your document. This is kind of the storage you want to use if you expect a lot of

Docker file for Phoenix

How many time have you started some project, setup your machine with the correct version of softwares and then after a while have to move to another PC or something went wrong with your PC and you have to redo the things again and you forget what you did last