General

Elm

Official Elm guide by Evan Czaplicki
Elm SPA example by Richard Feldman with corresponding writeup
Talk: Life of a File by Evan Czaplicki
In-depth Tutorial by Pawan Poudel

Vue.js

Video Course by

Haskell

Search engine for functions: Hoogle
Linklist: „Learning Haskell“ page, especially the Meta-Tutorial
Online book: Learn you a haskell -> Well written, many function introductions
Online book: Real World Haskell by Bryan O'Sullivan, Don Stewart, and John Goerzen
Online book: Write You A Scheme, Version 2 by Adam Wespiser -> See this Book about Scheme Language, a Lisp dialect
Online Book: Real World Haskell by Bryan O'Sullivan, Don Stewart, and John Goerzen

Archived

(Online book: Yet Another Haskell Tutorial by Hal Daumé -> Haskell 98)
(Online book: Write You A Scheme in 48 Hours by Jonathan Tang -> Version 2 exists)

Practical / Tutorials

Static Blog generator
List of Haskell Open Source Projects
Write your own IRC Bot
Write You a Haskell by Stephen Diehl
Implementing a JIT Compiled Language with Haskell and LLVM by Stephen Diehl
Lisp to JavaScript Compiler
Project ideas

Rust

Writing an OS in Rust (Second Edition) by Philipp Oppermann
Command line apps in Rust

Neural Networks and Machine Learning

Starting points

A Visual and Interactive Guide to the Basics of Neural Networks by Jay Alammar
Have Fun with Machine Learning: A Guide for Beginners
Stanford Lecture: Introduction to Convolutional Neural Networks for Visual Recognition by Fei-Fei Li
Neural Networks and Deep Learning by Michael Nielsen
But what is a Neural Network? by 3Blue1Brown
Intuitively Understanding Convolutions for Deep Learning

Particular Technologies

Advanced Concepts

Interesting

ImageNet bias

Django

Statamic

Video Tutorial

VHDL

Nandland Tutorial

Cryptography

An Overview of Cryptography by Gary C. Kessler