iximiuz

'use strict';

/**
 * Пример использования socket.io namespaces в сервисе AngularJS.
 * 
 * Цель: получить несколько отдельных каналов связи в рамках одного соединения.
 * 
 * Проблема: так как сервисы в AngularJS являются синглтонами, не возможно
 *           получить несколько экземпляров сервиса Socket с разными значениями 
 *           namespace. При этом хочется иметь отдельные сервисы, представляющие 

iximiuz

; pen test on functional programming
(define (min-2 a b) (if (> a b) b a))
(define (min-3 a b c) (min-2 (min-2 a b) (min-2 b c)))
(define (sq x) (* x x))
(define (foo a b c) (cond ((= a (min-3 a b c)) (+ (sq b) (sq c)))
                          ((= b (min-3 a b c)) (+ (sq a) (sq c)))
                          (else (+ (sq a) (sq b)))))

iximiuz

""" Inspired by http://flask.pocoo.org/snippets/40/ """

app = Flask(__name__)

@app.url_defaults
def hashed_url_for_static_file(endpoint, values):
    if 'static' == endpoint or endpoint.endswith('.static'):
        filename = values.get('filename')
        if filename:
            if '.' in endpoint:  # has higher priority

iximiuz

try:
    from http.cookies import SimpleCookie
except ImportError:
    from Cookie import SimpleCookie

headers = ('Set-Cookie: foo=bar; Domain=example.com; Path=/some/path',
           'Set-Cookie: baz=42; Domain=example.com; Expires=Thu, 12-Jan-2017 13:55:08 GMT; Path=/')

cookies = SimpleCookie('\r\n'.join(headers))

iximiuz

import sys
from asyncio import coroutine, sleep
from aiohttp import web

@coroutine
def handle(request):
    seconds = float(request.match_info.get('seconds', 1))
    yield from sleep(seconds)
    text = "You've been waiting for {} seconds".format(seconds)
    return web.Response(body=text.encode('utf-8'))

iximiuz

sample = [5, 3, 1, 2, 4]
n = len(sample)
mean = sum(sample)/n
median = (sample[n//2 - (n + 1)%2] + sample[n//2])/2
stddev = (sum((e - mean)**2 for e in sample)/n)**0.5
cnt = {}
for e in sample:
    cnt[e] = cnt.get(e, 0)
    cnt[e] += 1   
mode = sorted(cnt.keys(), key=lambda e: (cnt[e], -e))[-1]

iximiuz

Run:

grep "07/May/2016" app_access.log | goaccess -a --log-format '%h %^[%d:%t %^] "%r" %s %b "%R" "%u"' --date-format '%d/%b/%Y' --time-format '%H:%M:%S' > goaccess_may07.html

More here

iximiuz

  Input   | Py2 | Py3
----------+-----+-----
   5/2    |  2  | 2.5
----------+-----+-----
   5//2   |  2  |  2
----------+-----+-----
  5.0/2   | 2.5 | 2.5
----------+-----+-----
  5.0//2  | 2.0 | 2.0
----------+-----+-----

iximiuz

def next_row(prev_row):
        row = [prev_row[0]] * (len(prev_row) + 1)
        for idx in range(len(prev_row) - 1):
            row[idx + 1] = (prev_row[idx] + prev_row[idx + 1])
        return row

def binomial(n, k, cache=None):
    """ Calculates binomial coefficients using Pascal's triangle.
  
        0             1

iximiuz

#include <chrono>
#include <iostream>
#include <stdlib.h>
#include <time.h>
#define SIZE_MEDIUM 4096
#define SIZE_LARGE  16*4096
#define ITER_COUNT  100000
using namespace std;
using namespace std::chrono;