se1983’s gists

se1983 / serde_deserialize_constructor.rs

Last active October 31, 2022 11:25

rust constructors creating structs

	use serde::{Deserialize, Serialize};

	pub trait SerdeDeserializeObject {
	fn new<'de>(data: &'de str) -> Self
	where
	Self: Deserialize<'de>,
	{
	let serialized_data: Self = serde_json::from_str(&data).unwrap();
	serialized_data
	}

sainipray / filter.py

Created February 27, 2020 09:53

Custom Django rest framework Ordering Filter

	from rest_framework.filters import OrderingFilter


	class CustomOrderFilter(OrderingFilter):
	allowed_custom_filters = ['user_city', 'user_country']
	fields_related = {
	'user_city': 'user__city__name', # ForeignKey Field lookup for ordering
	'user_country': 'user__country__name'
	}
	def get_ordering(self, request, queryset, view):

dmfigol / asyncio_loop_in_thread.py

Last active November 24, 2025 13:16

Python asyncio event loop in a separate thread

	"""
	This gist shows how to run asyncio loop in a separate thread.
	It could be useful if you want to mix sync and async code together.
	Python 3.7+
	"""
	import asyncio
	from datetime import datetime
	from threading import Thread
	from typing import Tuple, List, Iterable

piboistudios / parent-children-tree.rs

Last active December 31, 2023 14:15 — forked from rust-play/playground.rs

[RUST]Parent-Children Tree (#2)

	// we will use weak references with the Rc<T> (reference counting pointer) type
	// weak references allow us to make references to a value that will -not- keep it alive
	// this is perfect in the intsance of children, as we will soon see
	use std::rc::{Rc,Weak};

	use std::cell::RefCell;
	// this example builds upon the last by storing a vector of children as well as a parent

	#[derive(Debug)]
	struct Node {

vjousse / sqlalchemy_conftest.py

Created February 20, 2018 14:35 — forked from kissgyorgy/sqlalchemy_conftest.py

Python: py.test fixture for SQLAlchemy test in a transaction, create tables only once!

	from sqlalchemy import create_engine
	from sqlalchemy.orm import Session
	from myapp.models import BaseModel
	import pytest


	@pytest.fixture(scope='session')
	def engine():
	return create_engine('postgresql://localhost/test_database)

ofrzeta / preseed.cfg

Last active May 10, 2019 14:14

Minmal preseed.cfg for Debian on KVM, German keyboard/timezone, auto LVM partitioning, serial console

	d-i debian-installer/locale string en_US
	d-i keymap select de
	d-i keyboard-configuration/xkb-keymap select de
	d-i console-setup/ask_detect boolean false
	d-i keyboard-configuration/layoutcode string de
	d-i netcfg/choose_interface select auto
	d-i netcfg/get_hostname string debianhost
	d-i netcfg/get_domain string mydomain
	d-i netcfg/wireless_wep string

pgaskin / jessie-base.preseed

Last active March 23, 2024 15:39

A preseed file for a minimal Debian Jessie installation

	# How to run
	# In the folder with these files
	# sudo python -m SimpleHTTPServer 80
	#
	# Update the ip at the bottom of this file to the output of
	# hostname -I
	# This is your ip
	#
	# Start debian cd
	# Press esc on menu

johanndt / upgrade-postgres-9.3-to-9.5.md

Last active July 27, 2024 16:49 — forked from dideler/upgrade-postgres-9.3-to-9.4.md

Upgrading PostgreSQL from 9.3 to 9.5 on Ubuntu

TL;DR

Install Postgres 9.5, and then:

sudo pg_dropcluster 9.5 main --stop
sudo pg_upgradecluster 9.3 main
sudo pg_dropcluster 9.3 main

mmasaki / iperf.service

Last active August 14, 2023 19:42

systemd service unit for iperf

	# /etc/systemd/system/iperf.service
	[Unit]
	Description=iperf server
	After=syslog.target network.target auditd.service

	[Service]
	ExecStart=/usr/bin/iperf -s

	[Install]
	WantedBy=multi-user.target

kissgyorgy / sqlalchemy_conftest.py

Last active December 5, 2025 13:56

Python: py.test fixture for SQLAlchemy test in a transaction, create tables only once!

	from sqlalchemy import create_engine
	from sqlalchemy.orm import Session
	from myapp.models import BaseModel
	import pytest


	@pytest.fixture(scope="session")
	def engine():
	return create_engine("postgresql://localhost/test_database")

Sebastian Schmid se1983