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Matías Herranz matiasherranz

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@matiasherranz
matiasherranz / build step
Last active September 20, 2016 14:12
# Let's move to the proper GIT branch
git checkout $BRANCH
git pull origin $BRANCH
# Activate the virtualenv of this job
. venv/bin/activate
# Install project requirements
pip install -Ur requirements.txt
@matiasherranz
matiasherranz / forms.py
Created September 28, 2016 19:55
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.contrib.auth import password_validation
from django.contrib.auth.forms import UserCreationForm, UserChangeForm
from accounts.models import User
class CustomUserCreationForm(UserCreationForm):
@matiasherranz
matiasherranz / minimize.py
Created December 3, 2016 22:57
from numpy import array, sum as npsum
from scipy.optimize import minimize
cons = (
{'type': 'ineq', 'fun': lambda x: array([25 - 0.2 * x[0] - 0.4 * x[1] - 0.33 * x[2]])},
{'type': 'ineq', 'fun': lambda x: array([130 - 5 * x[0] - 8.33 * x[2]])},
{'type': 'ineq', 'fun': lambda x: array([16 - 0.6 * x[1] - 0.33 * x[2]])},
{'type': 'ineq', 'fun': lambda x: array([7 - 0.2 * x[0] - 0.1 * x[1] - 0.33 * x[2]])},
{'type': 'ineq', 'fun': lambda x: array([14 - 0.5 * x[1]])},
{'type': 'ineq', 'fun': lambda x: array([x[0]])},
@matiasherranz
matiasherranz / minimize2.py
Created December 3, 2016 23:45
import numpy as np
from scipy.optimize import minimize
w0 = 0
w1 = 0
w2 = 0
w3 = 0
ws = np.array([w0, w1, w2, w3])
@matiasherranz
matiasherranz / maximize.py
Created December 4, 2016 00:06
import numpy as np
import pulp
# create the LP object, set up as a maximization problem
prob = pulp.LpProblem('Giapetto', pulp.LpMaximize)
# set up decision variables
soldiers = pulp.LpVariable('soldiers', lowBound=0, cat='Integer')
trains = pulp.LpVariable('trains', lowBound=0, cat='Integer')
@matiasherranz
matiasherranz / squash.sh
Last active December 30, 2016 15:10
# Create a branch to play safe in
--> (git: master m) $ git checkout -b rebase_example
Switched to a new branch 'rebase_example'
# Create a file
--> (git: rebase_example m) $ touch some_file.txt
# Add it to git
--> (git: rebase_example ? m) $ git add some_file.txt
@matiasherranz
matiasherranz / parse_error_codes.js
Last active June 2, 2017 14:31
Full set of error codes for ParseJS
/**
* Parse JavaScript SDK v1.9.2
*
* The source tree of this library can be found at
* https://github.com/ParsePlatform/Parse-SDK-JS
*/
@matiasherranz
matiasherranz / generate_uuid.js
Created July 12, 2017 16:01
function generateUUID() {
let d = new Date().getTime();
if (typeof performance !== 'undefined' && typeof performance.now === 'function') {
d += performance.now(); //use high-precision timer if available
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
let r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
});
@matiasherranz
matiasherranz / demo.html
Last active September 22, 2017 15:56
On this gist I implemented a full demo / proof-of-concept for the Page Visibility API + Vanilla JS DOM ready implementation.
<!--
Reference: https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API
-->
<html>
<head>
<title>Aloha!</title>
<script>
// START OF: VanillaJS implementation for DOM ready
window.readyHandlers = [];
window.ready = function ready(handler) {
@matiasherranz
matiasherranz / create_fb.sh
Created October 12, 2017 15:37
$ git checkout -b feature/my-feature master