Lessons about Django (page 11)

The links, tools and tips our engineers and designers share with each other, one “today I learned” at a time.

lessons shared: 288
people sharing: 29
database started in: 2016

caktusgroup.com
How to Use Django Bulk Inserts for Greater Efficiency
See how we use Django to speed up operations that insert a significant amount of data into a database.
Gustavo CarvalhoJanuary 14, 2019
docs.djangoproject.com
Converting QueryDicts using dict() may result in unexpected behavior, use the object dict method instead #django.http.QueryDict.dict
Gustavo CarvalhoDecember 19, 2018
docs.djangoproject.com
If you wanna know if your get_or_create was actually created the object instead of retrieving it, pass "created" after your v...
If you wanna know if your get_or_create was actually created the object instead of retrieving it, pass "created" after your variable's name and receive a boolean with the status of your get_or_create #get-or-create
Amanda SavluchinskeNovember 30, 2018
docs.djangoproject.com
Wow! There's a built-in way to have batch edition in Django Admin! From a @webology tweet, meet list_editable: #django.contrib.admin.ModelAdmin.list_editable
Flávio JuvenalNovember 30, 2018
chase-seibert.github.io
quickly define a django management command for read-only shell
Say you have a bunch of developers that occasionally need Django shell access to production, but you want this to be an exceptional event. Here is a drop-in replacement for ./manage.py shell that defaults to read-only mode, but lets the developer switch to writable mode on the fly, while notifying the team.
Carlos CoelhoNovember 29, 2018
github.com
Easily build flexible frontend filters with django-find:
Easily add search/filter functionality to Django projects - knipknap/django-find
Flávio JuvenalNovember 9, 2018
github.com
django-partial-index allows you to set partial/conditional indexes and partial unique constraints, which are useful for ensuring data integrity according to your business logic:
Flávio JuvenalNovember 5, 2018
stackoverflow.com
For you pass an HTML string to a Django Template you have to turn autoescape off
Amanda SavluchinskeNovember 5, 2018
stackoverflow.com
Django Subquery + Count:
Flávio JuvenalSeptember 24, 2018
github.com
Using Django REST Framework to build your APIs and getting confused between javascript's camelCase and the API's snake_case p...
Using Django REST Framework to build your APIs and getting confused between javascript's camelCase and the API's snake_case pattern while developing your front-end client? converts your snake_case attributes to camelCase when using JSON format
Hugo BessaSeptember 24, 2018
revsys.com
Django Pro-Tip – Slugs as primary keys:
A very common pattern in a Django Project is to have some kind of 'model-type' relationship, where you have some kind of object that can only belong to one of the types defined in the database.
Flávio JuvenalAugust 21, 2018
docs.djangoproject.com
If you want to add a unique non-nullable field to a table with existent rows, you'll need to a few extra steps because **Djan...
If you want to add a unique non-nullable field to a table with existent rows, you'll need to a few extra steps because Django generates the value to populate existent rows only once. For the extra steps, check these instructions in #migrations-that-add-unique-fields
Carlos CoelhoJuly 20, 2018
fosstack.com
How to use Google Social Login with Django
Amanda SavluchinskeJune 11, 2018
docs.djangoproject.com
Besides causing unexpected performance problems, a model default ordering in Django can cause problems to values(). Avoid default ordering! #interaction-with-default-ordering-or-order-by
Flávio JuvenalJune 8, 2018
github.com
django-perf-rec is like Django's assertNumQueries on steroids!
Keep detailed records of the performance of your Django code. - adamchainz/django-perf-rec
Flávio JuvenalJune 8, 2018

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Lessons about Django (page 11)

How to Use Django Bulk Inserts for Greater Efficiency

How to Use Django Bulk Inserts for Greater Efficiency

Converting QueryDicts using dict() may result in unexpected behavior, use the object dict method instead #django.http.QueryDict.dict

Converting QueryDicts using dict() may result in unexpected behavior, use the object dict method instead #django.http.QueryDict.dict

If you wanna know if your get_or_create was actually created the object instead of retrieving it, pass "created" after your v...

If you wanna know if your get_or_create was actually created the object instead of retrieving it, pass "created" after your v...

Wow! There's a built-in way to have batch edition in Django Admin! From a @webology tweet, meet list_editable: #django.contrib.admin.ModelAdmin.list_editable

Wow! There's a built-in way to have batch edition in Django Admin! From a @webology tweet, meet list_editable: #django.contrib.admin.ModelAdmin.list_editable

quickly define a django management command for read-only shell

quickly define a django management command for read-only shell

Easily build flexible frontend filters with django-find:

Easily build flexible frontend filters with django-find:

django-partial-index allows you to set partial/conditional indexes and partial unique constraints, which are useful for ensuring data integrity according to your business logic:

django-partial-index allows you to set partial/conditional indexes and partial unique constraints, which are useful for ensuring data integrity according to your business logic:

For you pass an HTML string to a Django Template you have to turn autoescape off

For you pass an HTML string to a Django Template you have to turn autoescape off

Django Subquery + Count:

Django Subquery + Count:

Using Django REST Framework to build your APIs and getting confused between javascript's camelCase and the API's snake_case p...

Using Django REST Framework to build your APIs and getting confused between javascript's camelCase and the API's snake_case p...

Django Pro-Tip – Slugs as primary keys:

Django Pro-Tip – Slugs as primary keys:

If you want to add a unique non-nullable field to a table with existent rows, you'll need to a few extra steps because **Djan...

If you want to add a unique non-nullable field to a table with existent rows, you'll need to a few extra steps because **Djan...

How to use Google Social Login with Django

How to use Google Social Login with Django

Besides causing unexpected performance problems, a model default ordering in Django can cause problems to `values()`. Avoid default ordering! #interaction-with-default-ordering-or-order-by

Besides causing unexpected performance problems, a model default ordering in Django can cause problems to `values()`. Avoid default ordering! #interaction-with-default-ordering-or-order-by

django-perf-rec is like Django's `assertNumQueries` on steroids!

django-perf-rec is like Django's `assertNumQueries` on steroids!

Found it useful?
Let’s put it to work.

Lessons about Django (page 11)

How to Use Django Bulk Inserts for Greater Efficiency

Converting QueryDicts using dict() may result in unexpected behavior, use the object dict method instead #django.http.QueryDict.dict

If you wanna know if your get_or_create was actually created the object instead of retrieving it, pass "created" after your v...

Wow! There's a built-in way to have batch edition in Django Admin! From a @webology tweet, meet list_editable: #django.contrib.admin.ModelAdmin.list_editable

quickly define a django management command for read-only shell

Easily build flexible frontend filters with django-find:

django-partial-index allows you to set partial/conditional indexes and partial unique constraints, which are useful for ensuring data integrity according to your business logic:

For you pass an HTML string to a Django Template you have to turn autoescape off

Django Subquery + Count:

Using Django REST Framework to build your APIs and getting confused between javascript's camelCase and the API's snake_case p...

Django Pro-Tip – Slugs as primary keys:

If you want to add a unique non-nullable field to a table with existent rows, you'll need to a few extra steps because **Djan...

How to use Google Social Login with Django

Besides causing unexpected performance problems, a model default ordering in Django can cause problems to values(). Avoid default ordering! #interaction-with-default-ordering-or-order-by

django-perf-rec is like Django's assertNumQueries on steroids!

Found it useful? Let’s put it to work.

Besides causing unexpected performance problems, a model default ordering in Django can cause problems to `values()`. Avoid default ordering! #interaction-with-default-ordering-or-order-by

django-perf-rec is like Django's `assertNumQueries` on steroids!

Found it useful?
Let’s put it to work.