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module ProtobufSerializationTests

open System
open System.IO
open ProtoBuf
open Xunit

module ProtoBufUtils =
    
    [<ProtoContract>]

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<?php
/**
 * PostGIS to GeoJSON
 * Query a PostGIS table or view and return the results in GeoJSON format, suitable for use in OpenLayers, Leaflet, etc.
 * 
 * @param 		string		$geotable		The PostGIS layer name *REQUIRED*
 * @param 		string		$geomfield		The PostGIS geometry field *REQUIRED*
 * @param 		string		$srid			The SRID of the returned GeoJSON *OPTIONAL (If omitted, EPSG: 4326 will be used)*
 * @param 		string 		$fields 		Fields to be returned *OPTIONAL (If omitted, all fields will be returned)* NOTE- Uppercase field names should be wrapped in double quotes
 * @param 		string		$parameters		SQL WHERE clause parameters *OPTIONAL*

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php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer
php -r "unlink('composer-setup.php');"
composer --version

More info

Composer official download site.

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cd ~
wget https://repo.continuum.io/archive/Anaconda3-5.1.0-Linux-x86_64.sh
bash Anaconda3-5.1.0-Linux-x86_64.sh -b -p ~/anaconda
rm Anaconda3-5.1.0-Linux-x86_64.sh
echo 'export PATH="~/anaconda/bin:$PATH"' >> ~/.bashrc

# Refresh
source .bashrc 

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echo 'export PATH=$PATH:$HOME/.cargo/bin' >> ~/.bashrc

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                <div class="col-md-4 col-sm-6">
                    <div class="schedule-box">
                        <div class="time">
                            <time datetime="10:30"></time> - <time datetime="11:00"></time>
                        </div>
                        <h3 class="h3-sp">Wordpress, más que Blogs</h3>
                        <p>Instructor: Rodrigo Patiño</p>
                        <a class="btn btn-white" href="#" data-toggle="modal" data-target="#modalWordpressMasqueBlogs">Más info</a>
                    </div>

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Virtual environments for Python 3 on Ubuntu

Install venv:

sudo apt-get install python3-venv

Create a virtual environment:

python3 -m venv env_name

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#!/bin/sh
# Script para instalar R y RStudio en Ubuntu 16.04 Xenial de 64-bit

sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys E084DAB9

sudo add-apt-repository 'deb https://ftp.ussg.iu.edu/CRAN/bin/linux/ubuntu xenial/'
sudo apt-get update
sudo apt-get install r-base
sudo apt-get install r-base-dev

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// Calculate distance between Latitude/Longitude points
// This uses the ‘haversine’ formula to calculate the great-circle distance between two points.

// Sources:
//      http://www.movable-type.co.uk/scripts/latlong.html
//      https://stackoverflow.com/questions/27928/calculate-distance-between-two-latitude-longitude-points-haversine-formula
//      Distance in km

function deg2rad(deg): number {
  return deg * (Math.PI/180);

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// Time complexity of this solution is O(√n)

fn is_prime(n : i32) -> bool {
    if n <= 1 {
        return false;
    }
    
    for i in 2..n-1{
        if n%i == 0 {
            return false;