Lessons about Django (page 16)

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

Today I learned
Request.POST["key"] returns only the last value of a list, if you want a list of values for a key, use the following: values = request.POST.getlist('key')
Rebeca SaraiJuly 6, 2017
Today I learned
When using django orm get() method, if there are no results that match the query, get() will raise a DoesNotExist exception.
Rebeca SaraiJuly 6, 2017
docs.djangoproject.com
Django 1.11 Subquery expressions: #subquery-expressions
Flávio JuvenalJune 20, 2017
hackernoon.com
5 ways to make Django Admin safer
For a better reading experience, check out this article on my website.
Lais VarejãoJune 15, 2017
docs.djangoproject.com
In Django, in_bulk queryset method allows bulk fetching via primary key: #in-bulk
Flávio JuvenalJune 9, 2017
github.com
Class based template tags for Django:
Flávio JuvenalJune 7, 2017
docs.djangoproject.com
The get_search_results method modifies the list of objects displayed in the admin and you can override to show what you want: #django.contrib.admin.ModelAdmin.get_search_results
Rebeca SaraiMay 26, 2017
hackernoon.com
Advantages and Disadvantages of Django:
The Fastest Solution For Developing; Django-Advantages & Disadvantages
Lais VarejãoMay 25, 2017
Today I learned
How to use the template tag pluralize: for words that don’t pluralize by simple suffix, you can specify both a singular and plural suffix, separated by a comma. Ex: {{ quantity|pluralize:"y,ies" }}
Lais VarejãoMay 23, 2017
revsys.com
Use priority workers to run celery tasks
Using Celery and Redis for Python asynchronous workers. Part of our 12 Days of Performance Series.
Carlos CoelhoMay 22, 2017
hynek.me
Easily make Django connect to Postgres using SSL
I’d thought something like this is a FAQ but the database docs on postgres don’t write a bit about forcing Django to connect using SSL to the database server.
Carlos CoelhoMay 17, 2017
blog.lotech.org
Add Postgres full-text searching to your Django application
Django has added support for Postgres's built-in full-text searching as of version 1.10. This is a great alternative to a heavier search system such as elasticsearch or SOLR, when we want decent search capabilities without having to setup and maintain another service. Postgres's full-text search is Good Enough for …
Carlos CoelhoMay 11, 2017
docs.djangoproject.com
Use django.contrib.syndication.views for generating RSS feeds:
Rebeca SaraiMay 9, 2017
Today I learned
In Celery configuration use:
app.autodiscover_tasks(lambda: [n.name for n in apps.get_app_configs()]) instead of: app.autodiscover_tasks(lambda: settings.INSTALLED_APPS) autodiscover_tasks() will not understand if you declare in INSTALLED_APPS some app through django AppConfig. (Ex: INSTALLED_APPS += ['users.apps.UsersConfig', ])
Victor CarriçoMay 3, 2017
Today I learned
In a admin.ModelAdmin, a field can either be in prepopulated_fields or readonly_fields, but not in both.
Lais VarejãoApril 26, 2017

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Lessons about Django (page 16)

`Request.POST["key"]` returns only the last value of a list, if you want a list of values for a key, use the following: `values = request.POST.getlist('key')`

`Request.POST["key"]` returns only the last value of a list, if you want a list of values for a key, use the following: `values = request.POST.getlist('key')`

When using django orm get() method, if there are no results that match the query, get() will raise a DoesNotExist exception.

When using django orm get() method, if there are no results that match the query, get() will raise a DoesNotExist exception.

Django 1.11 Subquery expressions: #subquery-expressions

Django 1.11 Subquery expressions: #subquery-expressions

5 ways to make Django Admin safer

5 ways to make Django Admin safer

In Django, `in_bulk` queryset method allows bulk fetching via primary key: #in-bulk

In Django, `in_bulk` queryset method allows bulk fetching via primary key: #in-bulk

Class based template tags for Django:

Class based template tags for Django:

The get_search_results method modifies the list of objects displayed in the admin and you can override to show what you want: #django.contrib.admin.ModelAdmin.get_search_results

The get_search_results method modifies the list of objects displayed in the admin and you can override to show what you want: #django.contrib.admin.ModelAdmin.get_search_results

Advantages and Disadvantages of Django:

Advantages and Disadvantages of Django:

How to use the template tag `pluralize`: for words that don’t pluralize by simple suffix, you can specify both a singular and plural suffix, separated by a comma. Ex: `{{ quantity|pluralize:"y,ies" }}`

How to use the template tag `pluralize`: for words that don’t pluralize by simple suffix, you can specify both a singular and plural suffix, separated by a comma. Ex: `{{ quantity|pluralize:"y,ies" }}`

Use priority workers to run celery tasks

Use priority workers to run celery tasks

Easily make Django connect to Postgres using SSL

Easily make Django connect to Postgres using SSL

Add Postgres full-text searching to your Django application

Add Postgres full-text searching to your Django application

Use `django.contrib.syndication.views` for generating RSS feeds:

Use `django.contrib.syndication.views` for generating RSS feeds:

In Celery configuration use:

In Celery configuration use:

In a `admin.ModelAdmin`, a field can either be in `prepopulated_fields` or `readonly_fields`, but not in both.

In a `admin.ModelAdmin`, a field can either be in `prepopulated_fields` or `readonly_fields`, but not in both.

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

Lessons about Django (page 16)

Request.POST["key"] returns only the last value of a list, if you want a list of values for a key, use the following: values = request.POST.getlist('key')

When using django orm get() method, if there are no results that match the query, get() will raise a DoesNotExist exception.

Django 1.11 Subquery expressions: #subquery-expressions

5 ways to make Django Admin safer

In Django, in_bulk queryset method allows bulk fetching via primary key: #in-bulk

Class based template tags for Django:

The get_search_results method modifies the list of objects displayed in the admin and you can override to show what you want: #django.contrib.admin.ModelAdmin.get_search_results

Advantages and Disadvantages of Django:

How to use the template tag pluralize: for words that don’t pluralize by simple suffix, you can specify both a singular and plural suffix, separated by a comma. Ex: {{ quantity|pluralize:"y,ies" }}

Use priority workers to run celery tasks

Easily make Django connect to Postgres using SSL

Add Postgres full-text searching to your Django application

Use django.contrib.syndication.views for generating RSS feeds:

In Celery configuration use:

In a admin.ModelAdmin, a field can either be in prepopulated_fields or readonly_fields, but not in both.

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

`Request.POST["key"]` returns only the last value of a list, if you want a list of values for a key, use the following: `values = request.POST.getlist('key')`

In Django, `in_bulk` queryset method allows bulk fetching via primary key: #in-bulk

How to use the template tag `pluralize`: for words that don’t pluralize by simple suffix, you can specify both a singular and plural suffix, separated by a comma. Ex: `{{ quantity|pluralize:"y,ies" }}`

Use `django.contrib.syndication.views` for generating RSS feeds:

In a `admin.ModelAdmin`, a field can either be in `prepopulated_fields` or `readonly_fields`, but not in both.

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