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Artem Ulko ulkoart

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ulkoart /
Created October 31, 2017 11:12 — forked from syrusakbary/
Django efficient queryset iterator (by dividing in chunks). Taked from
import gc
def queryset_iterator(queryset, chunksize=1000):
Iterate over a Django Queryset ordered by the primary key
This method loads a maximum of chunksize (default: 1000) rows in it's
memory at the same time while django normally would load all rows in it's
memory. Using the iterator() method only causes it to not preload all the
ulkoart /
Created October 16, 2018 05:03 — forked from ivlevdenis/
Django graphene orderBy
from graphene import relay, String, List
from graphene_django.filter import DjangoFilterConnectionField
from graphene_django.fields import DjangoConnectionField
from app.models import Model
class Object(DjangoObjectType):
class Meta:
model = Model
// Разное интересное по многопоточности:
// Featured-секция, для любителей архивной документации от Apple:
1. - про внутренности потоков в MAC OS X в сравнении с MAC OS 9
2. - Kernel Programming guide, вы же понимаете, что там будет, да :D
// Для любителей WWDC:
1. - GCD раз.