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Ruby on Ice 2019

Teach by Learning, Lead by Teaching

by Betsy Haibel

ideas from 📕 Pedagogy of the Oppressed by Paulo Freire

Motivations for learning in tech and engineering:

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Must-see locations in Leipzig

It depends, of course, on whether you’re looking for nature, culture, history, art, music, or night life, but here are some things to check out:

• Obviously, city center, Augustusplatz, with its new Mein Building of Leipzig University (that looks like a church, because it was built where the GDR had destroyed a centuries-old church)
• Thomaskirche, if you want to listen to organ music, or see the final resting ground of the mortal remains of J.S. Bach
• Moritzbastei – just behind the city skyscraper that is visible from anywhere. This is an underground bar / concert location. Literally underground, with nice round vaults
• The area around Markt is also worth walking around
• Clara-Zetkin-Park (esp. area around Sachsenbrücke)

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VIM Link dump

All these resources have actually helped me.

1. Learning VIM in 2014 – excellent blog post series, still not outdated. But, of course, you can google "learn VIM in 2019" instead.
2. VIM articles on the Giant Robots blog – super helpful tips and tricks, especially around the integration of VIM with TMUX and working with Ruby files in VIM
3. VIM Awesome – the catalogue of VIM plugins
4. Tim Pope – this guy is the Pope of VIM; he’s written a shit ton of plugins, most of which are pure gold.
5. VIM Casts – archived video series, a little old, but fantastic for learning the fundamental principles of VIM (and even ancient history behind its predecessor VI) – for instance, you can learn nice trivia such as why grep is called grep (this will make you the center

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# for each git alias of the form XX, create fish abbreviation gXX
function git_alias --desc "Add a git abbreviation"
  abbr -a g$argv[1] git $argv[2]
end
for _alias in (git config --global --get-regexp '^alias\.*' | sed s/alias.//)
  git_alias (string split -m1 ' ' "$_alias")
end

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🚚 this content has moved

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📻 My Favourite Podcasts

developer podcasts I’ve listened to

Some of these I still subscribe to, others are no longer in my subsctiption list to make time for non-dev related podcasts

• Ruby Book Club [RSS] [discontinued] – Nadia Odunayo and Saron Yitbarek read an hour of a Ruby book each week, then summarise and discuss what they learned

• Giant Robots Smashing Into Other Giant Robots by thoughtbot [RSS]

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function steamroller(arr) {  

  for (var i = 0; i < arr.length; i++) {    
    if(Array.isArray(arr[i])) {
      // recurse: replace this array with all its elements
      // for instance, if arr is [1, [2, 3], 4]
      // then we want to return  [1,  2, 3,  4]
      var left  = arr.slice(0, i);
      var right = arr.slice(i + 1);
      return steamroller(

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#!/bin/bash

# Run `rake -D` and format the task descriptions as a
# GitHub-Markdown table (for our Wiki)
# Write the output to tasks.md

touch tasks.md
echo '<dl>' >  tasks.md

bundle exec rake -D |

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echo "Please pick up the following from the store: $groceries[0]";

This isn't going to work by the way: inserting a variable's value into a string "like $x this" only works with a simple variable such as $x – for array elements you have two other options:

1. String concatenation:

   echo "buy ".$groceries[0]." at the store";
   

2. save in a variable beforehand:

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It’s the one whitespace character between the </div> and the next <div!

Because of that whitespace, and because our boxes are displayed as inline-block, the browser renders an actual whitespace in the current font and size between them, and so the smaller box once again breaks to the next "line".