programaker

"Monads are Monoids in the Category of Endofunctors"

If you are a functional programmer, you've probably heard this statement before.

To understand it, first we need to understand its component parts:
. Category
. Monoid
. Endofunctor

After this, we will glue those parts together piece by piece to grasp the whole.

programaker

//Functional programming is programming combining functions.
//
//We have a bunch of simple functions, then combine them into 
//more and more complex functions until have a full program.
//
//The simplest case is when the functions are COMPOSABLE, for example, given the functions:
f: A => B
g: B => C 
h: C => D 

dogrocker

Oh my zsh.

Install with curl

sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

Enabling Plugins (zsh-autosuggestions & zsh-syntax-highlighting)

• Download zsh-autosuggestions by

imwilsonxu

# -*- coding: utf-8 -*-

from flask import Flask, request, render_template, current_app
from flask_wtf import Form
from wtforms.validators import DataRequired
from wtforms import SelectField, SelectMultipleField, SubmitField


app = Flask(__name__)