rvasilevsk

tuple # typing.Tuple
list # typing.List
dict # typing.Dict
set # typing.Set
frozenset # typing.FrozenSet
type # typing.Type
collections.deque
collections.defaultdict
collections.OrderedDict
collections.Counter

rvasilevsk

function arrGet($arr, $key, $default = null)
{
    return isset($arr[$key]) ? $arr[$key] : $default;
}

function arrAny()
{
    foreach (func_get_args() as $arg) {
        if ($arg) return $arg;
    }

rvasilevsk

function realIntVal($s, $onEmptyStr=null, $onNonNumeric=null) {
    if ($s === '') return $onEmptyStr;
    return is_numeric($s) ? intval($s) : $onNonNumeric;
}

function testRealIntVal() {
    $arr = ['', '0', '1', 'a', 'a123', '123a', null];
    $res = [];
    foreach ($arr as $v) {
        $res[$v] = realIntVal($v);

rvasilevsk

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);

rvasilevsk

import pygame as pg

FPS = 30
WW = 800
WH = 600

BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)

rvasilevsk

pygame
#pycairo
p5

rvasilevsk

def s_ring(r1, r2):
    pi = 3.1415
    s1 = pi * (r1 ** 2)
    s2 = pi * (r2 ** 2)
    s = s2 - s1
    return s


def hyp(a, b):
    return (a ** 2 + b ** 2) ** 0.5

rvasilevsk

def hr():
    print('--------------------------------')


def equ2(a, b, c):
    d = b * b - 4 * a * c
    print('D =', d)
    aa = a * 2
    d_sqrt = d ** 0.5

rvasilevsk

#!/usr/bin/env python

import datetime
import json


#######################################################################################################################
def replace_suffix(s, suffix, replace):
    """
    replace suffix if exists

rvasilevsk

#!/usr/bin/env python


def fn_none():
    """
    >>> fn_none() is None
    True
    """
    return None