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## blog.md

      
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                JacobBennett
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              June 7, 2024 17:42
            
              
                Clean up your Vue modules with ES6 Arrow Functions
              
          
    Recently when refactoring a Vue 1.0 application, I utilized ES6 arrow functions to clean up the code and make things a bit more consistent before updating to Vue 2.0. Along the way I made a few mistakes and wanted to share the lessons I learned as well as offer a few conventions that I will be using in my Vue applications moving forward.
The best way to explain this is with an example so lets start there. I'm going to throw a rather large block of code at you here, but stick with me and we will move through it a piece at a time.
<script>

// require vue-resource...

new Vue({

  
## pca_alt_min.py
import numpy as np
import tensorflow as tf

# N, size of matrix. R, rank of data
N = 100
R = 5

# generate data
W_true = np.random.randn(N,R)
C_true = np.random.randn(R,N)

## formset_updateview_example.py
class UserUpdateView(AuthenticatorViewMixin, UpdateView):
    model = User
    template_name = 'manager/authenticator/user_list.html'

    def get_form_class(self):
        return modelformset_factory(User, extra=0)

    def get_form_kwargs(self):
        kwargs = super(UserUpdateView, self).get_form_kwargs()
        kwargs['queryset'] = kwargs['instance']

## gist:793108
--
-- renames selected tracks
--
-- from:
--      artist:         "Various Artists"
--      name:           "name-of-artist - name-of-track"
--
-- to:
--      artist:         "name-of-artist"
--      album artist:   "Various Artists"

## fb-friend-locationer.html
<!DOCTYPE html>
<title>FB Friend Locationer</title>
<style>
* {font-family: sans-serif;}
table th, table td{border: 1px solid #ccc; padding: 0 1em;}
</style>
<table id="loc">
<thead>
<tr>
<th>Name</th><th>Current location</th>
	import numpy as np
	import tensorflow as tf

	# N, size of matrix. R, rank of data
	N = 100
	R = 5

	# generate data
	W_true = np.random.randn(N,R)
	C_true = np.random.randn(R,N)
	class UserUpdateView(AuthenticatorViewMixin, UpdateView):
	model = User
	template_name = 'manager/authenticator/user_list.html'

	def get_form_class(self):
	return modelformset_factory(User, extra=0)

	def get_form_kwargs(self):
	kwargs = super(UserUpdateView, self).get_form_kwargs()
	kwargs['queryset'] = kwargs['instance']
	--
	-- renames selected tracks
	--
	-- from:
	-- artist: "Various Artists"
	-- name: "name-of-artist - name-of-track"
	--
	-- to:
	-- artist: "name-of-artist"
	-- album artist: "Various Artists"
	<!DOCTYPE html>
	<title>FB Friend Locationer</title>
	<style>
	* {font-family: sans-serif;}
	table th, table td{border: 1px solid #ccc; padding: 0 1em;}
	</style>
	<table id="loc">
	<thead>
	<tr>
	<th>Name</th><th>Current location</th>