Aleksey Izmailov izmailoff

Git submodules best practices

Useful commands

— Clone repository with submodules automatically:

git clone --recursive [email protected]:name/repo.git

— Initialize submodules after regular cloning:

Guide on how to create and set up a Dockerized web app using Django REST APIs and ReactJS

Hopefully this will answer "How do I setup or start a Django project using REST Framework and ReactJS?"

This is a guide to show you step by step how this can be setup. If you just want to get started, use the cookiecuter I set up cookiecutter-django-reactjs. It basically is a fork of pydanny's cookiecutter, just added the front-end stuff :).

I created this because it was SUCH a pain in the ass setting up a project using all the latest technologies. After some research, I figured it out and have it working. The repo that implements this is located here. Feel free to use it as a boilerplate ;)

Main features:

Django REST APIs

	# SCALA


	scala> val fs = List(1, 2, 3).map(i => () => i)
	val fs: List[() => Int] = List($Lambda$2341/0x00000008408e7c40@64518270, $Lambda$2341/0x00000008408e7c40@3b7c58e7, $Lambda$2341/0x00000008408e7c40@79627d27)


	scala> fs.foreach(x => println(x()))
	1
	2

	select
	cl2.relname as child_table,
	att2.attname as "child_column",
	cl.relname as "parent_table",
	att.attname as "parent_column",
	conname,
	'alter table ' \|\| cl2.relname \|\| ' drop constraint ' \|\| conname \|\| ';' as drop_stmt,
	'alter table ' \|\| cl2.relname \|\| ' add constraint ' \|\| conname
	\|\| ' foreign key (' \|\| att2.attname \|\| ') references ' \|\| cl.relname
	\|\| ' on update cascade deferrable initially deferred;' as create_stmt

	sudo apt-get update
	sudo apt-get install kdiff3

	git config --global --add merge.tool kdiff3
	git config --global --add mergetool.kdiff3.path "/usr/bin/kdiff3"
	git config --global --add mergetool.kdiff3.trustExitCode false
	git config --global --add mergetool.prompt false

	git config --global --add diff.guitool kdiff3
	git config --global --add difftool.kdiff3.path "/usr/bin/kdiff3"

	#!/bin/bash

	db_name="$1"

	if [ -z "$db_name" ]; then
	echo "Usage: $0 <db_name or uri>"
	exit 1
	else
	echo "Collections in db: $db_name."

	-- analyze DB for more precise stats
	VACUUM (FULL, ANALYZE);

	-- get row counts for all tables (option 1)
	SELECT
	nspname AS schemaname,relname,reltuples
	FROM pg_class C
	LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
	WHERE
	nspname NOT IN ('pg_catalog', 'information_schema') AND

	#!/bin/bash

	for t in $(echo '\dt' \| psql "$1" \| cut -d '\|' -f 2 \| egrep -v 'List\|Name\|--\|\(')
	do echo "TABLE: $t"
	echo "\d $t" \| psql "$1" \| grep '\|' \| egrep -v Column \| cut -d '\|' -f 1
	echo
	done

	var cols = db.getCollectionNames();
	cols.forEach(x => {
	var res = db[x].find({}).sort({_id: -1}).limit(3);
	print(x + ": ");
	res.forEach(x => print(x._id + " is " + x._id.getTimestamp()));
	print();
	}
	);

	ffprobe -hide_banner -loglevel fatal -show_error -show_format -show_streams -show_programs -show_chapters -show_private_data -print_format json some.mp4

	{
	"programs": [

	],
	"streams": [
	{
	"index": 0,
	"codec_name": "h264",