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@joe11051105
joe11051105 / application_controller.rb
Created June 29, 2016 13:23 — forked from scottwb/application_controller.rb
Get a list of all the filters on a given Rails 3 controller.
# Add these methods to your ApplicationController. Then, any controller
# that inherits from it will have these methods and can programmatically
# determine what filters it has set.
class ApplicationController < ActionController::Base
def self.filters(kind = nil)
all_filters = _process_action_callbacks
all_filters = all_filters.select{|f| f.kind == kind} if kind
all_filters.map(&:filter)
end
@derekmcloughlin
derekmcloughlin / stats_equations.Rmd
Last active June 25, 2024 17:26
Useful Latex Equations used in R Markdown for Statistics
---
title: "Sample Equations used in Statistics"
output: html_document
---
### Summations
### Without Indices
$\sum x_{i}$
@craigweston
craigweston / or_scopes.rb
Last active March 26, 2020 23:22 — forked from j-mcnally/or_scopes.rb
OR'ing scopes
module ActiveRecord
module Querying
delegate :or, :to => :all
end
end
module ActiveRecord
module QueryMethods
# OrChain objects act as placeholder for queries in which #or does not have any parameter.
# In this case, #or must be chained with any other relation method to return a new relation.
@kidpixo
kidpixo / jupyter_shortcuts.md
Last active March 2, 2025 04:15
Keyboard shortcuts for ipython notebook 3.1.0 / jupyter

Warning This is SEVERELY outdated, the current jupyter version is > 6.X, please refer to your current jupyter notebook installation!

Disclaimer : I just copied those shortcuts from Jupyter Menú > Help > Keyboard Shortcuts, I didn't wrote them myself.

Check your current shortcuts in your Help, shortcuts coule have been modified by extensions or your past self.

Toc

Keyboard shortcuts

@gbuesing
gbuesing / ml-ruby.md
Last active December 3, 2024 08:13
Resources for Machine Learning in Ruby

UPDATE a fork of this gist has been used as a starting point for a community-maintained "awesome" list: machine-learning-with-ruby Please look here for the most up-to-date info!

Resources for Machine Learning in Ruby

Gems

@vamdt
vamdt / city.rb
Last active July 26, 2022 05:01 — forked from sumskyi/README.md
rails4 sti, custom "type" column name and value
class City < GeoEntity
def self.sti_name
3
end
end
# config/initializers/instrumentation.rb
# Subscribe to grape request and log with Rails.logger
ActiveSupport::Notifications.subscribe('grape.request') do |name, starts, ends, notification_id, payload|
Rails.logger.info '[API] %s %s (%.3f ms) -> %s %s%s' % [
payload[:request_method],
payload[:request_path],
(ends-starts)*1000,
(payload[:response_status] || "error"),
payload[:x_organization] ? "| X-Org: #{payload[:x_organization]}" : "",
@longlostnick
longlostnick / uploads_controller.rb
Created June 17, 2014 18:20
Rails JSON file upload with carrierwave (from base64 string)
class Api::UploadsController < ApiController
def create
@upload = Upload.new(upload_params)
ensure
clean_tempfile
end
private
@johnhamelink
johnhamelink / git-pre-push-hook-install.sh
Last active January 29, 2021 08:13 — forked from ssaunier/git-pre-push-hook-install.sh
Made the echo command output colour on a Linux terminal, removed karma and added a crunchbang
cd /path/to/your/repo
curl https://gist.githubusercontent.com/johnhamelink/577b8613ae82d2b3037b/raw/ad71fb72a1b86ee9a90ac62eccc4a55367578625/pre-push.sh > .git/hooks/pre-push
chmod u+x .git/hooks/pre-push