Learneroo
Learning and science
programming tutorial
SHOW HN2014
How HN took it
1 positive, 4 neutral or asking, 0 mixed, 3 critical, out of 8 comments about the project. Thread score -0.16.
Design: 0 for, 2 againstExecution: 0 for, 1 againstIdea: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Useful for those starting with Ruby
From 1 comment
Great! Diving head first into Ruby so this will come in handy.
kartikkumar on HN
Fun challenges for experienced Rubyists
From 1 comment
This might be a fun challenge for experienced rubyists, but I do not think this is a good way to learn Ruby. I only looked at Ruby Basics, but here's my feedback: The challenge…
jeffrwells on HN
Objections
Challenges teach bad code patterns, such as using 'and' for boolean logic
From 2 comments
This might be a fun challenge for experienced rubyists, but I do not think this is a good way to learn Ruby. I only looked at Ruby Basics, but here's my feedback: The challenge…
jeffrwells on HN> The words 'and' and 'or' should not be used for boolean comparisons, they are intended to be used to join two separate clauses such as "render 'template' and return" in rails.…
SnacksOnAPlane on HN
Advanced operator precedence is introduced before it is taught
From 1 comment
The biggest problem is that the interesting part about this challenge (different precendence) is rather advanced to beginners and is _not even touched_ in the preceding parts.
Argorak on HN
Site design looks strange
From 1 comment
The design of the site looks strange to my eyes. Colors and fonts doesn't make sense. I'm no expert on design so I can't explain why.
marsay on HN
Requests
A similar tutorial for JavaScript
From 1 comment
Is there anything like this for Javascript?
cabbeer on HN
Design improvements
From 2 comments
Thanks for the feedback. I'm going to try to improve the design this week.
arikrak on HNShoot me a quick hello if you'd like a few suggestions, my username at gmail.
bcjordan on HN
Questions
Why Ruby has separate TrueClass and FalseClass
From 3 comments
I don't know Ruby, but this caught my eye: ``` true.class #=> TrueClass false.class #=> FalseClass ``` Why would they have two different classes (types?) for what I consider…
jader201 on HNhttp://stackoverflow.com/questions/3192978/why-does-ruby-have-trueclass-and-falseclass-instead-of-a-single-boolean-class
jonahx on HNTrueClass and FalseClass aren't exactly "classes" in the usual sense - for instance, `TrueClass.new` throws a NoMethodError. Under the hood, true and false are singletons - `(1…
al2o3cr on HN
Alternatives named
Ruby Quiz
From 1 comment
Ah, made me think of the good ol' days => http://rubyquiz.com/ Although this is definitely more tutorial-ish.
chucknelson on HN
LearnXinYminutes
From 1 comment
Since it looks like this was pretty popular, I'll make one for Javascript too. Meanwhile, check out the original LearnXinYminutes.
arikrak on HN