buncis buncis

## .bashrc
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
PS1="${debian_chroot:+($debian_chroot)}\w\$(parse_git_branch) $ "

## heroku restore
heroku pg:backups:capture
heroku pg:backups:download
pg_restore --verbose --clean --no-acl --no-owner -h localhost -d rails_development latest.dump

## rails set_attributes comparison.md

      
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                buncis
                / rails set_attributes comparison.md
            
            
              Last active
              August 4, 2017 14:34
            
              
                rails set_attributes comparison http://www.davidverhasselt.com/set-attributes-in-activerecord/
              
          
Method
Uses Default Accessor
Saved to Database
Validations
Callbacks
Touches updated_at
Readonly check


attribute=
Yes
No
n/a
n/a
n/a
n/a


write_attribute
No
No
n/a
n/a
n/a
n/a


update_attribute
Yes
Yes
No
Yes
Yes
Yes


attributes=
Yes
No
n/a
n/a
n/a
n/a


update
Yes
Yes
Yes
Yes
Yes
Yes


update_column
No
Yes
No
No
No
Yes


update_columns
No
Yes
No
No
No
Yes


User::update
Yes
Yes
Yes
Yes
Yes
Yes


## s3 bucket sync
aws s3 source tujuan

example

aws s3 sync s3://mybucket .

output
download: s3://mybucket/test.txt to test.txt
download: s3://mybucket/test2.txt to test2.txt

## colab_download.py
files.download('example.txt')  # from colab to browser download

## gist:92b9f60a75a9bf93c966a621f7400055
cd /mnt/$yourdrivealphabet

default: &default
  adapter: postgresql
  encoding: unicode
  # For details on connection pooling, see Rails configuration guide
  # http://guides.rubyonrails.org/configuring.html#database-pooling
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
  username: username in postgres windows
  password: pass in postgres windows

## main.dart
https://www.youtube.com/watch?v=RS36gBEp8OI&feature=youtu.be

make the state and amethod that change it in parent
->
send the method that manipulate state to children
->
children then call the method

## how_to_enable_uuid_on_rails.md

      
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                buncis
                / how_to_enable_uuid_on_rails.md
            
            
              Created
              April 20, 2019 16:57
            
              
                enable uuid on rails & postgresql
              
          
    rails generate migration enable_pgcrypto_extension

class EnablePgcryptoExtension < ActiveRecord::Migration[5.1]
  def change
    enable_extension 'pgcrypto'
  end
end


## demo1.html
<!-- Code from d3-graph-gallery.com -->
<!DOCTYPE html>
<meta charset="utf-8" />

<!-- Load d3.js -->
<script src="https://d3js.org/d3.v4.js"></script>

<!-- Create a div where the graph will take place -->
<div id="my_dataviz"></div>

## .terminal config
title
	parse_git_branch() {
	git branch 2> /dev/null \| sed -e '/^[^]/d' -e 's/ \(.*\)/ (\1)/'
	}
	PS1="${debian_chroot:+($debian_chroot)}\w\$(parse_git_branch) $ "
	heroku pg:backups:capture
	heroku pg:backups:download
	pg_restore --verbose --clean --no-acl --no-owner -h localhost -d rails_development latest.dump
Method	Uses Default Accessor	Saved to Database	Validations	Callbacks	Touches updated_at	Readonly check
`attribute=`	Yes	No	n/a	n/a	n/a	n/a
`write_attribute`	No	No	n/a	n/a	n/a	n/a
`update_attribute`	Yes	Yes	No	Yes	Yes	Yes
`attributes=`	Yes	No	n/a	n/a	n/a	n/a
`update`	Yes	Yes	Yes	Yes	Yes	Yes
`update_column`	No	Yes	No	No	No	Yes
`update_columns`	No	Yes	No	No	No	Yes
`User::update`	Yes	Yes	Yes	Yes	Yes	Yes
	aws s3 source tujuan

	example

	aws s3 sync s3://mybucket .

	output
	download: s3://mybucket/test.txt to test.txt
	download: s3://mybucket/test2.txt to test2.txt
	cd /mnt/$yourdrivealphabet

	default: &default
	adapter: postgresql
	encoding: unicode
	# For details on connection pooling, see Rails configuration guide
	# http://guides.rubyonrails.org/configuring.html#database-pooling
	pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
	username: username in postgres windows
	password: pass in postgres windows
	https://www.youtube.com/watch?v=RS36gBEp8OI&feature=youtu.be

	make the state and amethod that change it in parent
	->
	send the method that manipulate state to children
	->
	children then call the method
	<!-- Code from d3-graph-gallery.com -->
	<!DOCTYPE html>
	<meta charset="utf-8" />

	<!-- Load d3.js -->
	<script src="https://d3js.org/d3.v4.js"></script>

	<!-- Create a div where the graph will take place -->
	<div id="my_dataviz"></div>