Add linux async IO extra

tasks/go_ecosystem.md

@@ -64,8 +64,9 @@
 
    - Why `nil` check is not working ? How would we fix that ?
 
-### Extra materials
+## Extra materials
 
+1. [Async IO on Linux: select, poll, and epoll](https://jvns.ca/blog/2017/06/03/async-io-on-linux--select--poll--and-epoll/)
 1. [Go: the Good, the Bad and the Ugly](https://bluxte.net/musings/2018/04/10/go-good-bad-ugly/)
 1. [Golang Internals Resources](https://github.com/emluque/golang-internals-resources)
 1. [Hacking Go's internals by Bouke van der Bijl](https://www.youtube.com/watch?v=mYqhBYdqCyg)

tasks/js_ecosystem.md

@@ -4,19 +4,23 @@
 
 # NodeJS Runtime and Ecosystem
 
-
 1.  [NodeSchool](https://nodeschool.io/) workshops  
-Please complete the following workshops: 
+    Please complete the following workshops:
+
 - [learnyounode](https://github.com/workshopper/learnyounode)
 - [What exactly is Node.js?](https://medium.freecodecamp.org/what-exactly-is-node-js-ae36e97449f5)
 - [Franziska Hinkelmann: JavaScript engines - how do they even?](https://youtu.be/p-iiEDtpy6I)(Video)
 
 Get acquainted with NodeJS documentation:
-- Go to nodejs.org and skim through the chapters. 
+
+- Go to nodejs.org and skim through the chapters.
 - Find and read documentation about `require` and `module` in NodeJS
 - Find and read `EventEmitter` class documentation
 - Find command-line flag to enable ES6 modules support
 
+## Extra materials
+
+1. [Async IO on Linux: select, poll, and epoll](https://jvns.ca/blog/2017/06/03/async-io-on-linux--select--poll--and-epoll/)
 
 ## Done?
 

tasks/python_ecosystem.md

@@ -5,17 +5,23 @@
 # Python Runtime and Ecosystem
 
 ## Important runtime things
- - GIL:
-   - [GIL on the official documentation](https://docs.python.org/3/glossary.html#term-global-interpreter-lock)
-   - [What is the Python Global Interpreter Lock (GIL)?](https://realpython.com/python-gil/)
- - asyncio
-   - [the official documentation](https://docs.python.org/3/library/asyncio.html)
-   - [AsyncIO for the Working Python Developer](https://medium.com/hackernoon/asyncio-for-the-working-python-developer-5c468e6e2e8e)
-   - [aio-libs - the set of asyncio-based libraries built with high quality](https://github.com/aio-libs)
+
+- GIL:
+  - [GIL on the official documentation](https://docs.python.org/3/glossary.html#term-global-interpreter-lock)
+  - [What is the Python Global Interpreter Lock (GIL)?](https://realpython.com/python-gil/)
+- asyncio
+  - [the official documentation](https://docs.python.org/3/library/asyncio.html)
+  - [AsyncIO for the Working Python Developer](https://medium.com/hackernoon/asyncio-for-the-working-python-developer-5c468e6e2e8e)
+  - [aio-libs - the set of asyncio-based libraries built with high quality](https://github.com/aio-libs)
 
 ## Ecosystem
- - [Awesome python](https://github.com/vinta/awesome-python)
- - [Awesome asyncio](https://github.com/timofurrer/awesome-asyncio)
+
+- [Awesome python](https://github.com/vinta/awesome-python)
+- [Awesome asyncio](https://github.com/timofurrer/awesome-asyncio)
+
+## Extra materials
+
+1. [Async IO on Linux: select, poll, and epoll](https://jvns.ca/blog/2017/06/03/async-io-on-linux--select--poll--and-epoll/)
 
 ## Done?