Fedor Stepanov sorrat

Big ol' list of third-party Python 3 argparse alternatives

Bold+italics means the lib is probably worth checking out above the rest. joffrey is my own.

argparse wrappers

Disclaimer: Please follow this guide being aware of the fact that I'm not an expert regarding the things outlined below, however I made my best attempt. A few people in IRC confirmed it worked for them and the results looked acceptable.

Attention: After following all the steps run gdk-pixbuf-query-loaders --update-cache as root, this prevents various gdk-related bugs that have been reported in the last few hours. Symptoms are varied, and for Cinnamon the DE fails to start entirely while for XFCE the icon theme seemingly can't be changed anymore etc.

Check the gist's comments for any further tips and instructions, especially if you are running into problems!

Screenshots

Results after following the guide as of 11.01.2017 13:08:

One-line browser notepad 📝

Sometimes you just need to quickly take some notes.

A trick is to use the data: scheme with data:text/html to show just a piece of HTML in your browser. Then using the mighty contentEditable to make the whole thing editable.

To copy/paste into your browser address bar:

data:text/html,<html contenteditable>

Need to make sense of large CSV files?

Often you are handed-out big CSV files and need to sort, filter, update some cells or other tedious work. You tried sed, jq, and maybe the mighty awk.

But at the end of the day: You’re using the wrong tool for the job.

Here come csvkit’s csvsql, a small Python script to parse your CSV files and create the corresponding database. You now have the best tool, SQL, to answer your data questions:

3 tips for a better PostgreSQL usage

We’ll see how to write queries in your editor, format output based on content and how to get info on everything.

1. Use your editor to write queries:

Tell the terminal what editory to use with from your bash shell export EDITOR=subl, then in psql type:

psql> \e

How to batch rename files with bash?

Let’s say we have these files:

ls 
to_be_renamed_1.txt 
to_be_renamed_2.txt 
to_be_renamed_3.txt

	import React from "react";
	import useMutableReducer from "./useMutableReducer";

	const reducer = (draft, action, state) => {
	switch (action) {
	case "increment":
	draft.count++;
	break;
	case "decrement":
	draft.count--;

	#!/usr/bin/env python3
	# -- coding: utf-8 --

	# https://toster.ru/q/72866
	# How to
	# wget http://gist.github.com/...
	# chmod +x ya.py
	# ./ya.py download_url path/to/directory

	import os, sys, json

	"""
	Automatic migration of subscriptions to another
	YouTube account with Python and Selenium.

	Tested with:
	- selenium 3.0
	- firefox 49.0
	- python 3.5

	1. Install selenium from pypi:

	'''
	I started one server:

	$ python aiohttp_rq.py server

	And three workers in different terminals:

	$ python aiohttp_rq.py worker

	And I got next results with ab: