GMA

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GMA has asked 40 questions and find answers to 36 problems.

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GMA questions

Submitting an empty text field as an empty string, not null, in a multipart form
git add --patch shows "^m" when I hit return
Calculating the 90th percentile in O(n) time
Heroku "at=error code=H10 desc="App crashed" method=GET path=/favicon.ico"
What does respond_to do when called without a block?
How can I allow Devise users to log in when they're outside my default scope?
Creating multiple has_many through associations from an array of IDs
Format a time as hours:minutes on a Google Charts y-axis
Ruby: What does the line "m = Hash.new {|h,k| h[k] = []}" accomplish that "Hash.new" doesn't?
requiring an ActiveRecord model without having to require the entire class diagram, for active_record_spec_helper

GMA answers

Getting "Tensorflow %s is not valid scope name error" while I am trying to create a model for kaggle competition
Failed to find any class that implements Connector and which name matches com.mongodb.kafka.connect.MongoSinkConnector
EOFError Ran out of input Python
rake invalid byte sequence in UTF-8
How can I allow Devise users to log in when they're outside my default scope?
How to darken a DIV surrounding using JQuery (lightbox-like, but no pop-up)?
ActiveRecord Callbacks List
What to set app_host to for Capybara
Override the default Rails model template
Ruby on Rails Tutorial 7.2.2 : rspec failure : action 'create' could not be found for UsersController