thismatters

# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.db import migrations, models
from django_cryptography.fields import encrypt

app_with_model = 'account'
model_with_column = 'User'
column_to_encrypt = 'email_address'
column_field_class = models.CharField

ekiara

Django: Getting a Model from a string of the Model's name

Reference: http://stackoverflow.com/questions/4881607/django-get-model-from-string/26126935#26126935

model_name = 'Invoice'
app_name = 'invoice'
from django.apps import apps
Invoice = apps.get_model(app_label=app_name, model_name=model_name)
i = Invoice.objects.filter(id=1234).first()

nvgoldin

import signal
import functools
 
async def looping_task(loop, task_num):
    try:
        while True:
            print('{0}:in looping_task'.format(task_num))
            await asyncio.sleep(5.0, loop=loop)
    except asyncio.CancelledError:
        return "{0}: I was cancelled!".format(task_num)

alexanderwallin

#!/bin/bash

#
# Extracts tracks from stems files and puts them in folders
# named after the stem filenames.
#

for stem in *.mp4
do
	name=${stem%\.*}

kixorz

"UserData": {
  "Fn::Base64": { "Fn::Join":["", [
    "#!/bin/bash -ex\n",
    "apt-get update\n",
    "apt-get -y install python-setuptools\n",
    "mkdir aws-cfn-bootstrap-latest\n",
    "curl https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz | tar xz -C aws-cfn-bootstrap-latest --strip-components 1\n",
    "easy_install aws-cfn-bootstrap-latest\n",
    "/usr/local/bin/cfn-init --stack ", { "Ref":"AWS::StackName" }, " --resource WebServer", " --region ", { "Ref": "AWS::Region" }, "\n",
    "\n",

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

abrookins

from django.db import models

# Assuming this model.

class Example(models.Model):
    image = models.ImageField(upload_to="somewhere/special")


# You want to set this field to point to an existing image (in a script, or a view, etc.).
example = Example.objects.get(id=1)