tef

from contextlib import contextmanager

class Node:
    def __init__(self, name, args, children):
        self.name = name
        self.args = args
        self.children = children

    def __str__(self):
        out = []

tef

Now published at https://programmingisterrible.com/post/696130032656171008/questions-i-have-been-asked-about-photography

Questions I have been asked about photography.

... and some answers I have given which may or may not help you.

What's the best way to learn photography?

Practice.

tef

Blockquotes are awful in markdown, because they're semi optional in continuation lines.

There are three options i've considered:

---

Option A: Blockquote at start of para, and on every continuation line.

> a

tef

Trip Report: Writing a CommonMark Parser

Resources

• https://spec.commonmark.org/0.29/

  CommonMark Spec 0.29

• https://github.com/tef/toyparser2019/tree/master/toyparser/commonmark

tef

Here is an indented block:

One Space, One Tab
One Tab
 One Tab, One Space.
 Five Spaces

Now prefixed with '> ', Here the's the indented block:

'> ', One Space, One Tab

tef

tab completion

a vex command can have multiple parts: vex name:subname:subsubname --args .., and the subnames are grouped, and have aliases.

grouping means that vex help prints them out in groups.

tab completing with no command shows all root commands, but not aliases:

sycamore:demo tef$ vex 

tef

sycamore:demo tef$ vex help
Name: vex -- a database for files

Usage: vex [help] <init|undo|redo|status|log|diff|...> [--help]

Description: vex is a command line program for saving changes to a project, switching 
between different versions, and sharing those changes.

vex supports bash completion: run `complete -o nospace -C vex vex`

tef

$ vex
vex -- a database for files

usage: vex [help] <init|undo|redo|status|log|diff|...> [--help]

description:
vex is a command line program for saving changes to a project, switching between different versions, and sharing those changes.

vex supports bash completion: run `complete -o nospace -C vex vex`

tef

undo/redo persistent example

$ ./undo.py do 1
do: 1

$ ./undo.py do 2
do: 2

$ ./undo.py do 3

tef

import csv
import collections
import datetime

dates = {}

with open('tweets.csv') as fh:
    fh.readline()
    reader = csv.reader(fh)
    for row in reader: