Juan Manuel Garcia jmg
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| def slice(objects, prop): | |
| """ | |
| slice objects in sublists sharing a common propery | |
| """ | |
| if not objects: | |
| return [] | |
| def get_prop(obj, prop): | |
| if not isinstance(objects[0], dict): | |
| return obj.__dict__[prop] |
jmg
/ complex_square_roots.cpp
Last active
April 13, 2016 04:41
Quadratic Formula with complex numbers solutions
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| #include <stdio.h> | |
| #include <complex> | |
| #include <iostream> | |
| int main() | |
| { | |
| double a1,b1,c1; | |
| printf("ingrese valor de a,b,c\n"); | |
| scanf("%lf" "%lf" "%lf", &a1, &b1, &c1); |
jmg
/ biseccion.py
Last active
April 22, 2016 02:33
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| #aca van los coeficientes de la cuadratica | |
| a = 1 | |
| b = 0 | |
| c = -1 | |
| #aca van las cotas del intervalo | |
| ax = -3 | |
| bx = 3 | |
| #estes es el error de la raiz en el cual cortar |
jmg
/ biseccion_2.py
Created
April 22, 2016 02:48
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| #aca van los coeficientes de la cuadratica | |
| a = 2 | |
| b = 0 | |
| c = -3 | |
| #aca van las cotas del intervalo | |
| ax = -3 | |
| bx = 3 | |
| delta = 1 |
jmg
/ celery_check_db_connection.py
Last active
May 6, 2016 03:55
Closes the db connection when it's gone because of a long period of inactivity (solves this issue https://code.djangoproject.com/ticket/21597). It forces django to use a new fresh connection.
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| from django.db import connection | |
| from functools import wraps | |
| def check_db_connection(f): | |
| @wraps(f) | |
| def inner(*args, **kargs): | |
| try: | |
| connection.connection.ping() | |
| except: | |
| connection.close() | |
| return f(*args, **kargs) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <title>Carrusel Ejemplo</title> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <!-- Archivos de bootstrap --> | |
| <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> |
jmg
/ get_all_sum_combinations.py
Last active
September 19, 2017 17:35
Gets all the combinations of the sum of a list of elements.
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| import itertools | |
| def get_all_sum_combinations(elements): | |
| """ | |
| Gets all the combinations of the sum of a list of elements. | |
| """ | |
| combinations = [] | |
| for i in range(1, len(elements) + 1): | |
| for subset in itertools.combinations(elements, r=i): | |
| result = sum(subset) |
jmg
/ quantreg_forecast_example.R
Last active
October 10, 2017 00:19
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| library(quantreg) | |
| airq <- airquality | |
| #fit the quantile regression with Ozone formula | |
| fit <- rq(Ozone ~ ., data=airquality) | |
| #create a new dataframe with the values to forecast the Ozone | |
| newdata <- data.frame(Solar.R=201:203, Wind=8:10, Temp=82:84, Month=9, Day=20:22) | |
| #newdata is the parameter to tell the predict function to use the values for making the forecast | |
| fore <- predict(fit, newdata=newdata) |
jmg
/ black_jack.py
Created
January 21, 2018 13:28
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| import random | |
| import time | |
| class Card(object): | |
| def __init__(self, number, kind): | |
| self.number = number | |
| self.kind = kind |
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| buildFormula <- function(dataset, terms_array) { | |
| for (i in 1:length(terms_array)) | |
| assign(paste("fact", i, sep=""), L(dataset, terms_array[i])) | |
| factors = array() | |
| for (i in 1:length(terms_array)) | |
| factors[i] <- paste("fact", i, sep="") | |
| form = as.formula(paste("dataset~", paste(factors, collapse="+"))) | |
| return(form) |