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Simplifying things

Vincent Driessen nvie

Simplifying things
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View test.ts
import { Decoder, object, string } from 'decoders';
type Example = {
eg: string;
const exampleDecoder: Decoder<Example> = object({
eg: string
View Location.ts
export type Range = [number, number]
type Position = {
offset: number
line: number
column: number
export type Location = {
start: Position
nvie /
Created Sep 13, 2019
Fish completion for codegen
# Put the following in your ~/.config/fish/completions directory
complete --command codegen --no-files --arguments "(codegen -l)"
View .gitmodules
[submodule "vim/bundle/vim-characterize"]
path = vim/pack/nvie/start/vim-characterize
url =
# Define types of building blocks
SUBDOMAIN = STRING.set('validate', validate_subdomain)
'data': NESTED({
'attributes': NESTED({
'subdomain': SUBDOMAIN,

Here's my config:

$ cat Procfile.test
foo: python -u

$ cat
import logging
logging.warn('A log line\nWith a line break')
logging.warn('Second log')
def lookup_table(values, key=None, keyval=None, unique=False, use_lists=False):
Builds a dict-based lookup table (index) elegantly.
Supports building normal and unique lookup tables. For example:
>>> lookup_table(['foo', 'bar', 'baz', 'qux', 'quux'],
... lambda s: s[0])
'b': {'bar', 'baz'},
'f': {'foo'},
'q': {'quux', 'qux'}
nvie / magic.awk
Last active Aug 29, 2015
Different highlights of this piece of code that is valid C, C++, awk, perl, Python, sh, bash and tcl:
View magic.awk
#ifdef _not_defined
"exit`[ -z $BASH ] && t=sh; [ -z $BASH ] || t=$(basename $BASH); echo Hello, World from $t > /dev/tty;`";
"[puts {Hello, World from Tcl}; {exit}]";
from operator import concat;
exec concat(concat(concat(chr(109),chr(61)),chr(39)),chr(39));
m,""" ";/,;s/;//;
#include <stdio.h>
#define BEGIN int main(int nargs,char** args)

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nvie /
Created Nov 29, 2013
Really useful helper that I use constantly to force myself to write more efficient Django queries.
from contextlib import contextmanager
from django.conf import settings
from django.db import connection
def no_queries_allowed():
"""This is a helper method that makes it easier during development, by
throwing an exception when any queries are made within its block. Using