elizabeth-christensen

Postgres Internals
Djangocon US 2024
Elizabeth Christensen

## psql basics

--whoami
\conninfo

--user list

nnja

#!/usr/bin/env python
import sys
import subprocess

diff_requirements = 'git diff ORIG_HEAD HEAD --exit-code -- requirements.txt'

exit_code = subprocess.call(diff_requirements.split())
if exit_code == 1:
    print 'The requirements file has changed! Remember to install new dependencies.'
else:

victorono

from django.db.models import Count, Max

unique_fields = ['field_1', 'field_2']

duplicates = (
    MyModel.objects.values(*unique_fields)
    .order_by()
    .annotate(max_id=Max('id'), count_id=Count('id'))
    .filter(count_id__gt=1)
)

dkarchmer

class SampleFilter(filters.FilterSet):
    start_date = django_filters.DateFilter(name="date", lookup_type='gte')
    end_date = django_filters.DateFilter(name="date", lookup_type='lte')
    # How to filter by a foreign key that uses slug as a lookup
    foo = django_filters.ModelMultipleChoiceFilter(
        queryset=MyModel.objects.all(),
        to_field_name='slug',
        conjoined=True,
    )
    class Meta:

nickstanisha

class Node:
    def __init__(self, label=None, data=None):
        self.label = label
        self.data = data
        self.children = dict()
    
    def addChild(self, key, data=None):
        if not isinstance(key, Node):
            self.children[key] = Node(key, data)
        else:

mapkyca

#!/usr/bin/python

# Quick and dirty demonstration of CVE-2014-0160 by Jared Stafford ([email protected])
# The author disclaims copyright to this source code.

import sys
import struct
import socket
import time
import select

namuol

rage-quit support for bash

HOW TO INSTALL

Put flip somewhere in your $PATH and chmod a+x it.

Copy fuck into ~/.bashrc.

zenorocha

Project Name

TODO: Write a project description

Installation

TODO: Describe the installation process

Usage