vochicong

# File: config/initializers/params_snakeizer.rb
# Transform JSON request param keys from JSON-conventional camelCase to
# Rails-conventional snake_case
module ActionController
  # Modified from action_controller/metal/strong_parameters.rb
  class Parameters
    def deep_snakeize!
      @parameters.deep_transform_keys!(&:underscore)
      self
    end

vochicong

3 <=> 4
3 > 4

Class Steak
  include Comparable
  
  attr_accessor grade
  GRADES = { prime: 1, choice: 2, select: 3 }
  
  def <=>(other)

vochicong

macOS High Sierra
https://www.apple.com/jp/macos/high-sierra/

Xcode 9
https://developer.apple.com/download/

xcode-select --install
brew upgrade

vochicong

# Input: 901,1,187,7,1,[email protected],"{""u"":""name"",""limit_date"":""2017/09/18 23:59"",""token"":""b0kasdfuadf3jdadfubd"",""language"":""ja""}",9/12/17 9:01,NULL,NULL,NULL,9/11/17 15:59,9/11/17 16:00,NULL
# Output: b0kasdfuadf3jdadfubd

cat token_lists.csv | jq -R 'split(",") | .[8] | split("\"") | .[6]' | sed 's/"//g'

vochicong

brew install imagemagick@6
export PATH="/usr/local/opt/imagemagick@6/bin:$PATH"
export LDFLAGS=-L/usr/local/opt/imagemagick@6/lib:$LDFLAGS
export CPPFLAGS=-I/usr/local/opt/imagemagick@6/include:$CPPFLAGS
export PKG_CONFIG_PATH=/usr/local/opt/imagemagick@6/lib/pkgconfig:$PKG_CONFIG_PATH
gem install rmagic

# https://stackoverflow.com/questions/10063051/bundle-cant-install-rmagick-gem-on-mac-osx-10-7

vochicong

• chromebrew
• ChromeOSに開発系ツールを入れて快適コーティング　vimで日本語もOK！
• chromebookへのminicondaインストール (chromebrew+git使用)
• GCloud SDKインストーラー

vochicong

Reset MySQL root password on Mac

On Terminal 1

mysql.server stop
mysqld_safe --skip-grant-tables

On Terminal 2

vochicong

Install and run mysql on mac os x

Instructions for installing mysql on mac os x via homebrew (a command line package manager for mac)

Install brew

Follow installation instructions at https://brew.sh/

Install mysql

vochicong

• OS: Ubuntu 14.04 LTS
• dockerをインストール
• dockerのuser groupを設定
• docker-composeをインストール
• Install Docker using the convenience script

2017/08/07: Install Docker using the convenience scriptがうまく行った。従来の方法でやると何故かエラがでる。

Failed to fetch https://download.docker.com/linux/ubuntu/dists/trusty/InRelease Unable to find expected entry 'table/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)

vochicong

# Sync a fork of a repository to keep it up-to-date with the upstream repository.
# https://help.github.com/articles/syncing-a-fork/

git fetch upstream
git checkout master
git merge upstream/master
git push