seungha-kim

# Monte Carlo method
# http://en.wikipedia.org/wiki/Monte_Carlo_method
from random import random as rnd
from math import sqrt
trial = 1000000
hit = 0
for i in range(trial):
    if sqrt(rnd()**2 + rnd()**2) < 1:
        hit += 1
print 1.0*hit/trial*4

seungha-kim

# Shows the procedures of metaclass initializing (__init__, __prepare__)
# tested in Python 3.4

class MetaClass(type):
    
    def __init__(self, name, bases, clsdict):
        print('Class defined :')
        print('mro', self.mro())
        print('name', name)
        print('bases', bases)

seungha-kim

"""
Method resolution order with diamond inheritance
>>> print(Class3.mro())
[Class3, Class1_2, Class1_1, Class2, Class0, <class 'object'>]
"""
class Meta(type):
    def __repr__(self):
        return self.__name__
class Class0(metaclass=Meta):
    pass

seungha-kim

with recursive fibo(ord, m, n) as (
 values (1, 1, 1)
 union all
 select ord+1, n, m+n from fibo where ord < 10
) select m from fibo;
/* result :
 m
----
  1
  1

seungha-kim

var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";

parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port;     // => "3000"
parser.pathname; // => "/pathname/"
parser.search;   // => "?search=test"
parser.hash;     // => "#hash"
parser.host;     // => "example.com:3000"

seungha-kim

foo = 1
# expected [1, 1, 1]
gen = (foo for i in range(3))
# but...
foo = 2
list(gen)
# result: [2, 2, 2]

seungha-kim

var express = require('express');
var EventEmitter = require('events');
var bodyParser = require('body-parser');

var app = express();
var messageRouter = new EventEmitter();

app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static('.'));

seungha-kim

:f bower_components/purescript-prelude/src/Prelude.js 
:m bower_components/purescript-prelude/src/Prelude.purs
:f bower_components/purescript-eff/src/Control/Monad/Eff.js 
:m bower_components/purescript-eff/src/Control/Monad/Eff.purs 
:f bower_components/purescript-console/src/Control/Monad/Eff/Console.js
:m bower_components/purescript-console/src/Control/Monad/Eff/Console.purs
:f bower_components/purescript-eff/src/Control/Monad/Eff/Unsafe.js 
:m bower_components/purescript-eff/src/Control/Monad/Eff/Unsafe.purs
import Prelude
import Control.Monad.Eff.Console

seungha-kim

Keybase proof

I hereby claim:

• I am seungha-kim on github.
• I am seungha (https://keybase.io/seungha) on keybase.
• I have a public key ASD-JkeF-XAvj-3k3NTxSDus07GPvR5R06YqfMielfesvQo

To claim this, I am signing this object:

seungha-kim

#3366CC
#DC3912
#FF9900
#109618
#990099
#3B3EAC
#0099C6
#DD4477
#66AA00
#B82E2E