dschep

#!/usr/bin/env python3
"""
More convinient than `python -c`.

Automatically imports python modules and prints the repr of the last statement.
for example:
    `py 'json.load(sys.stdin)'`
instead of
    `python -c 'import json,stdin;print(repr(json.load(sys.stdin)))`

rgbkrk

#!/usr/bin/env bash

# HubCrypt
# ========
#
# Decrypt a file encrypted using hubencrypt (ok, it's just openssl + rsautl +
# your SSH keys). It needs the private key that matches your last public key
# listed at github.com/<user>.keys
#

shovon

#!/bin/sh

# size of swapfile in megabytes
swapsize=8000

# does the swap file already exist?
grep -q "swapfile" /etc/fstab

# if not then create it
if [ $? -ne 0 ]; then

dschep

CREATE OR REPLACE FUNCTION ST_LineChunk(geom geometry, max_length float8) RETURNS SETOF geometry AS $$
WITH
  points AS (
    SELECT generate_series(0, CEIL(ST_Length(geom) / max_length)::int)
      / CEIL(ST_Length(geom) / max_length) "end"
  ),
  line_points AS (SELECT LAG("end", 1) OVER (ORDER BY "end") "start", "end" FROM points)
SELECT ST_LineSubstring(geom, "start", "end")
FROM line_points
WHERE "start" IS NOT NULL AND "start" <> 1

dschep

--  ported from https://github.com/pramsey/minimal-mvt/blob/58f3e695a305f42024dcf0ba395590bf39b0b573/minimal-mvt.py#L63-L81
CREATE OR REPLACE FUNCTION ST_TileEnvelope(tileZoom integer, tileX integer, tileY integer) RETURNS geometry AS $$
-- Width of world in EPSG:3857
DECLARE	worldMercMax float = 20037508.3427892;
DECLARE worldMercMin float = -1 * worldMercMax;
DECLARE worldMercSize float = worldMercMax - worldMercMin;
-- Width in tiles
DECLARE worldTileSize float = power(2, tileZoom);
-- Tile width in EPSG:3857
DECLARE tileMercSize float = worldMercSize / worldTileSize;

dschep

import { useState } from "react";

const useLocalStorageState = (storageKey, defaultValue) => {
  const [value, setValue] = useState(
    JSON.parse(localStorage.getItem(storageKey) || "null") || defaultValue
  );

  const wrappedSetValue = (newValue) => {
    localStorage.setItem(storageKey, JSON.stringify(newValue));
    setValue(newValue);

rsvp

#!/usr/bin/env bash
#              bash 4.1.5(1)     Linux Ubuntu 10.04               Date : 2013-07-11
#
# _______________|  netspeed : check download speed via command line.
#
#           Usage:  netspeed [tokyo, london, usw, use, east, west, URL]
#                                            ^default U.S. west coast.
#                            [ -speed_KB/sec ]
#                              ^negation activates the Mbps converter.
#

dschep

#!/bin/bash

exec awk '{printf "\r%lu", NR}'

chamakits

javascript: function runDownloadThing(howManyToDownload) {
    if (!howManyToDownload) {
        howManyToDownload = 3;
    }
    if (window['downloadSome']) {
        window.downloadSome();
        return;
    }
    var iter = $('div.download a.a:not([download])').toArray();
    iter = iter.concat($('div.row a[download]').toArray());

dschep

#!/bin/bash
echo 2 | sudo tee /sys/module/hid_apple/parameters/fnmode
echo 1 | sudo tee /sys/module/hid_apple/parameters/swap_opt_cmd