mikhail

In [1]: b = object()

In [2]: import json

In [3]: json.dumps(b)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-3-8c425ddada75> in <module>()
----> 1 json.dumps(b)

mikhail

ELO_DEFAULT = 1500
ELO_K_FACTOR = 16

def expected(Ra, Rb):
    # https://en.wikipedia.org/wiki/Elo_rating_system
    Ea = (1.0 / (1.0 + pow(10.0, (Rb-Ra)/400.0)))
    return Ea, 1-Ea

@bot.add_command('!challenge')
@gen.coroutine

mikhail

<?php
define('POSITIVE', 1);
define('NEGATIVE', -1);
define('DB_CONFIG_FILE', '/path/to/mysql.json');

/* MySQLi module does not have this function by default */
function mysqli_field_name($result, $field_offset) {
    $properties = mysqli_fetch_field_direct($result, $field_offset);
    return is_object($properties) ? $properties->name : null;
}

mikhail

from logging import Handler
import logging

"""
Usage:

@log_handler.on_error()
def main_function():
    log.debug("You won't see this until later")
    log.info("You'll see this immediately")

mikhail