mzajac poteznyKrolik

Postfix macros in Rust

The problem

Rust has many postfix combinators, for example the .unwrap_or(x) and .unwrap_or_else(|| x) functions. They are useful if you want to extract some value from an optionally present value, or if not, provide an alternative value. It's really nice and tidy to read:

Installing and using schemacrawler for MacOS

A recipe for generating cool SQLite database diagrams with schemacrawler on MacOS

This was tested on MacOS 10.14.5 on 2019-07-16

schemacrawler is a free and open-source database schema discovery and comprehension tool. It can be invoked from the command-line to produce, using GraphViz, images/pdfs from a SQLite (or other database type) file. It can be used from the command-line to generate schema diagrams like these:

Photoshop CC 2018 on Pop!_OS installation guide

1 . Install Wine

Enable 32 bit architecture:

sudo dpkg --add-architecture i386

	#!/usr/bin/env python3

	import os
	import json
	import random
	import zipfile

	config = {
	"color": "red",
	"amount": 42.24,

	#!/usr/bin/env python3

	import os
	import json
	import random
	import zipfile

	config = {
	"color": "red",
	"amount": 42.24,

	# Filename: /etc/zsh/zshrc
	# Purpose: config file for zsh (z shell)
	# Authors: grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
	# Bug-Reports: see http://grml.org/bugs/
	# License: This file is licensed under the GPL v2.
	################################################################################
	# This file is sourced only for interactive shells. It
	# should contain commands to set up aliases, functions,
	# options, key bindings, etc.
	#

	from functools import lru_cache
	from datetime import datetime

	@lru_cache(maxsize=None)
	def fib_cache(n):
	if n < 2:
	return n
	return fib_cache(n-1) + fib_cache(n-2)

	def fib_no_cache(n):

	# _____ __ __
	# \|__ / / /__ ____ _____ ____ ____/ /
	# /_ <______/ / _ \/ __ `/ __ `/ _ \/ __ /
	# ___/ /_____/ / __/ /_/ / /_/ / __/ /_/ /
	# /____/ /_/\___/\__, /\__, /\___/\__,_/
	# /____//____/
	# RTWEET + 3-LEGGED-AUTH DEMO (LITE)

	# This code demonstrates how to do 3-legged authentication for Twitter
	# using the {rtweet} package. Based heavily on code from Michael Kearney.

	# https://hakibenita.com/fast-load-data-python-postgresql

	from typing import Iterator, Dict, Any, Optional
	from urllib.parse import urlencode
	import datetime


	#------------------------ Profile

	import time