leopard627

def myfunc_v1(func, *args):
    for arg in zip(*args):
        yield func(*arg)


def myfunc_v2(func, *args):
    return (func(*arg) for arg in zip(*args))

print(list(myfunc_v1(abs, [1, 2, -3])))
print(list(myfunc_v2(abs, [1, 2, -3])))

leopard627

  increaseCount = () => {
    const { count } = this.state;
    this.setState({
      count: count + 1,
    });
  };

leopard627

## models.py

class Tag(PrintableModel):
    name = models.CharField(
        verbose_name=_('Name'),
        db_index=True,
        max_length=150,
        help_text="태그 이름",
        unique=True)

leopard627

import datetime

KST = datetime.timezone(datetime.timedelta(hours=9))
kst_now = datetime.datetime.now(KST)

leopard627

class Movie(models.Model):
  rate = models.FloatField() 
  
  

q1 = Movie.objects.filter(rate=1.0).count()
q2 = Movie.objects.filter(rate=2.0).count()
q3 = Movie.objects.filter(rate=3.0).count()
q4 = Movie.objects.filter(rate=4.0).count()
q5 = Movie.objects.filter(rate=5.0).count() 

leopard627

class Movie(models.Model):
  title = models.CharField()
  rate = models.FloatField()
  ......
  ....
  ...
  .......
  
  

leopard627

-- Create a group
CREATE ROLE readaccess;

-- Grant access to existing tables
GRANT USAGE ON SCHEMA public TO readaccess;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readaccess;

-- Grant access to future tables
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readaccess;

leopard627

        # asyncio/events.py in get_event_loop at line 602   

         not self._local._set_called and
            isinstance(threading.current_thread(), threading._MainThread)):
            self.set_event_loop(self.new_event_loop())
        if self._local._loop is None:
            raise RuntimeError('There is no current event loop in thread %r.'
                               % threading.current_thread().name)
        return self._local._loop
    def set_event_loop(self, loop):

leopard627

import asyncio

loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)

def send_email_with_asyncio(user, email):
    #   email sending logic
    #   .........................
    #   .................................

leopard627

Switching to DNS over TLS on macOS

How to configure your Mac to use DNS over TLS in five easy steps:

1. Install Stubby with Homebrew (https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Daemon+-+Stubby):

    brew install stubby
   

2. Edit the configuration file: