hwshim0810

import operator
from functools import reduce

from django.db.models import Q

class QueryBuilder:
    """
    Continuous queryset filtering
    """
    

hwshim0810

registry = {}


class MultiMethod(object):
    def __init__(self, name):
        self.name = name
        self.typemap = {}

    def __call__(self, *args):
        # a generator expression

hwshim0810

import string
from random import SystemRandom

def generate_key(field_name, model, size=8):
    charset = string.ascii_lowercase + string.digits
    key = ''.join(SystemRandom().choice(charset) for _ in range(size))
    is_exist = model._default_manager.filter(**{field_name: key}).exists()

    while is_exist:
        key = generate_key(size, model)

hwshim0810

"""
class SampleCategoryModel
  id = primary
  
class SamplePostModel
  category = foreignkey(SampleCategoryModel)
  created_at = datetimefield
"""
from django.db.models import Max

hwshim0810

def get_client_ip(request):
    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
    
    if x_forwarded_for:
        return x_forwarded_for.split(',')[0]
    else:
        return request.META.get('REMOTE_ADDR')

hwshim0810

git clone --mirror [OriginRepo.git]
cd [OriginRepo.git]
git remote set-url --push origin [New Repo.git]
git push --mirror

hwshim0810

export $(cat .env | grep -v ^# | grep -v ^alias | xargs)

hwshim0810

<a href="#modalBox" data-toggle="modal">OpenButton</a>

<div class="modal fade" id="modalBox" tabindex="-1" role="dialog" aria-labelledby="modal-label" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
        <h4 class="modal-title" id="modal-label">
          Title Area
        </h4>

hwshim0810

private val backButtonSubject: Subject<Long> = BehaviorSubject.createDefault(0L).toSerialized()

private val backButtonSubjectDisposable =
        compositeDisposable.add(backButtonSubject.toFlowable(BackpressureStrategy.BUFFER)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())  // need compose
                .buffer(2, 1)
                .map { it[0] to it[1] }
                .subscribe({ value ->
                    if (value.second - value.first < 2000) getView()?.finishView()

hwshim0810

def get_if_int_or_float(value, under_num=1):
    return int(value) if value.is_integer() else round(value, under_num)