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## Descriptors

## Anything with __get__ and optionally __set__:

class classinstancemethod(object):
    def __init__(self, func):
        self.func = func
    def __get__(self, obj, type=None):
        def repl(*args, **kw):
            return self.func(obj, type, *args, **kw)

jab

#lang racket

;;
;; These are some examples of different ways to compute factorials
;; using various paradigms and features provided by Racket. There
;; are more options available in packages which are not imported
;; by default, but that rabbit hole goes very deep indeed.
;;
;; Comments and suggestions welcome!
;;    leo@lwh.jp

jab

# fetch @patio11's tweets from microconf (roughly apr 3 on)
# signature generated from https://dev.twitter.com/rest/reference/get/statuses/user_timeline
curl --get 'https://api.twitter.com/1.1/statuses/user_timeline.json' --data 'count=200&screen_name=patio11&since_id=717036680947965953' --header 'Authorization: OAuth oauth_consumer_key="x6nmC5cEByCeyudJjVKsMA", oauth_nonce="56b83cf5f068e31996fc484364e99423", oauth_signature="0vY6VEDKTI2Bb8J09osG0yqTA6M%3D", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1460264255", oauth_token="49019793-1cje0xH21w4OsEudjSXTIj1hDQhorGifIrfuBQ0Eb", oauth_version="1.0"' --verbose > tweets.json

# import into postgres
psql -d test -c "CREATE TABLE pgtweets (data json)"
psql -d test -c "COPY pgtweets FROM '$(pwd)/tweets.json'"

# total activity over these 200 tweets

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Markdown and reStructuredText

GitHub supports several lightweight markup languages for documentation; the most popular ones (generally, not just at GitHub) are Markdown and reStructuredText. Markdown is sometimes considered easier to use, and is often preferred when the purpose is simply to generate HTML. On the other hand, reStructuredText is more extensible and powerful, with native support (not just embedded HTML) for tables, as well as things like automatic generation of tables of contents.

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

jab

:root {
  --ease-in-quad: cubic-bezier(.55, .085, .68, .53);
  --ease-in-cubic: cubic-bezier(.550, .055, .675, .19);
  --ease-in-quart: cubic-bezier(.895, .03, .685, .22);
  --ease-in-quint: cubic-bezier(.755, .05, .855, .06);
  --ease-in-expo: cubic-bezier(.95, .05, .795, .035);
  --ease-in-circ: cubic-bezier(.6, .04, .98, .335);

  --ease-out-quad: cubic-bezier(.25, .46, .45, .94);
  --ease-out-cubic: cubic-bezier(.215, .61, .355, 1);

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Update

Just use https://github.com/ripeworks/iro which gets the challenge below right!

Mac Color Picking Done Right

Picking a Color on Mac is hard. Mainly due to the fact that several applications floating around the web ( AppStore and independant ), grab the color "incorrectly".

Why incorrectly?

jab

If you wan't a cljs that acts like clj, but for ClojureScript, there are a few minor changes you can make:

First, add the following entry to ~/.clojure/deps.edn under the :deps key:

org.clojure/clojurescript {:mvn/version "1.10.439"}

Then make copies of clj and clojure named cljs and clojurescript, and put those copies on your path.

jab

class Pool:                                                                                                                                                                                                                                  
    def __init__(self, pool_size):                                                                                                                                                                                                           
        self._size = pool_size                                                                                                                                                                                                               
        self.send_channel, self.receive_channel = trio.open_memory_channel(pool_size)                                                                                                                                                        
                                                                        

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import hashlib
import json
from decimal import Decimal
from typing import Any, Dict, Type

from typing_inspect import get_args, get_generic_bases, is_generic_type, is_union_type  # type: ignore

Json = Dict[str, Any]