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.google-maps-responsive {
        position: relative;
        padding-bottom: 75%; // This is the aspect ratio
        height: 0;
        overflow: hidden;
}
.google-maps-responsive iframe {
        position: absolute;
        top: 0;

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# List of selected categories
selected_categories = [Category.objects.get(name="TERRESTRE"), Category.objects.get(name="MOLUSCOS")]

# Products we want to filter based on the list of selected categories
products = Product.objects.filter(category__in = selected_categories)

# list is a tuple of tuples like ((id1, product_count1), (id2, product_count2), ... , (idn, product_countn))
qs_count = Category.objects.values(‘id’).filter(product__in=products).annotate(Count('product'))

# Get the values

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>>> Status = namedtuple('Status', 'open pending closed')._make(range(3))
>>> Status.open, Status.pending, Status.closed
(0, 1, 2)


>>> class Status:
        open, pending, closed = range(3)
>>> Status.open, Status.pending, Status.closed
(0, 1, 2)

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#For example, you can run Python’s built-in server:

python -m SimpleHTTPServer 8888 &

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[
  {
    "name": "SERES VIVOS",
    "id": "192",
    "photo": "http://www.antcontroldeplagas.es/wp-content/uploads/2013/02/hormigas-head.jpg",
    "d": "Las hormigas son bonitas",
    "children": [
      {
        "name": "ANIMALES",
        "id": "193",

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// An example of how to configure the CliBuilder to read command line arguments in Groovy.

def cli = new CliBuilder( usage: 'groovy launcher' )

// Option help
cli.h(longOpt: 'help', 'usage information')

// Option script
cli.s(argName:'script', longOpt:'script', required: true,
      args: 1, 'Script filename')

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"title".center( 40, "-")

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new File("simple.tab").withReader{r->
    line = r.readLine();
    println "first line: $line"
    r.splitEachLine("\t"){fields->
            println "fields on line: $fields"
    }  
}

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// Groovy: Reading XML with Java DocumentBuilder parsing with Java XPath
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.*

import org.w3c.dom.Document;

File f= new File( 'data.xml')

// Reading a Document Builder with Java style

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mysql -e "show table status"  | awk -F'\t' '\
{\
    printf ("%-25s %15d\n", $1,$7); \
    s+=$7 \
} \
END{ print "resultado: ", s} \
'