This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Waiter(models.Model): | |
restaurant = models.ForeignKey(Restaurant, on_delete=models.CASCADE) | |
name = models.CharField(max_length=50) | |
def __str__(self): | |
return "%s the waiter at %s" % (self.name, self.restaurant) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# wrong one! | |
wrong_dict = {1: 'Geeks', 2: 'For', 3:{'A' : 'Welcome', 'B' : 'To', 'C' : 'Geeks'}} | |
# right one! | |
right_dict = { | |
1: 'hi', | |
2: 'there', | |
3: { | |
'A': 'how', | |
'B': 'are', |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Place(models.Model): | |
name = models.CharField(max_length=50) | |
class Restaurant(models.Model): | |
place = models.OneToOneField(Place,on_delete=models.CASCADE) | |
serves_hot_dogs = models.BooleanField(default=False) | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class Topping(models.Model): | |
name = models.CharField(max_length=30) | |
class Pizza(models.Model): | |
name = models.CharField(max_length=30) | |
toppings = models.ManyToManyField(Topping) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def names(): | |
pass | |
def hello_world(): | |
pass | |
def hey_hello_world(): | |
pass |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# good bad dict | |
context={"first_name": user.first_name.capitalize(),"company": g.user.get_company_name,"last_name": g.user.last_name.capitalize(),"username": user.username,"password": password} | |
# difficult to debug and difficult to find a bug | |
# good dict | |
context = { | |
"first_name": user.first_name.capitalize(), | |
"company": g.user.get_company_name, | |
"last_name": g.user.last_name.capitalize(), |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#bad | |
def create_from_partner_onboarding( created_by, pipeline_id, pipeline_type, doc_id, doc_name, count=1): | |
pass | |
def create_from_partner_onboarding( | |
created_by, pipeline_id, pipeline_type, doc_id, doc_name, count=1 | |
): | |
""" | |
good one | |
""" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# bad import | |
from sqlalchemy import Boolean, Column, create_engine, DateTime, ForeignKey, Integer, MetaData, String, Table, Text | |
# good import | |
from sqlalchemy import ( | |
Boolean, | |
Column, | |
create_engine, | |
DateTime, | |
ForeignKey, |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
""" | |
Single Responsibility Principle | |
“…You had one job” — Loki to Skurge in Thor: Ragnarok | |
A class should have only one job. | |
If a class has more than one responsibility, it becomes coupled. | |
A change to one responsibility results to modification of the other responsibility. | |
""" | |
class Animal: | |
def __init__(self, name: str): |
OlderNewer