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type ElementRect = {
    width: number | null;
    height: number | null;
    top: number | null;
    right: number | null;
    bottom: number | null;
    left: number | null;
    marginTop: number | null;
    marginRight: number | null;
    marginBottom: number | null;

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ka7eh

Add a swap file:

Create a file (you can replace /swapfile with another location and filename): sudo fallocate -l 1G /swapfile
Change its permissions: sudo chmod 600 /swapfile
Mark the new file as swap space: sudo mkswap /swapfile
Enable the swap file: sudo swapon /swapfile
Check and see if the file is enabled: swapon --show
Update fstab to make your changes permanent (you might want to create a backup of the existing fstab): echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
Adjust swappiness, if needed:

ka7eh

psycopg2:

LDFLAGS="-I<path-to-openssl>/include -L<path-to-openssl>/lib" pip install psycopg2

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CREATE OR REPLACE FUNCTION ST_GridFromBbox(
    IN x0 double precision,
    IN y0 double precision,
    IN x1 double precision,
    IN y1 double precision,
    IN xsize double precision,
    IN ysize double precision,
    OUT "row" integer,
    OUT col integer,
    OUT geom geometry)

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import os
import sys

from qgis.core import *
from PyQt4.QtGui import *

home = os.path.expanduser('~')

sys.path.extend([
    '/usr/share/qgis/python/plugins/processing',

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CREATE OR REPLACE FUNCTION ST_CreateFishNet(
    IN xsize double precision,
    IN ysize double precision,
    IN north double precision DEFAULT 0,
    IN east double precision DEFAULT 0,
    IN south double precision DEFAULT 1,
    IN west double precision DEFAULT 1)
  RETURNS SETOF geometry AS
$BODY$
SELECT ST_Translate(cell, $6 + (i * $1), $5 + (j * $2)) AS geom

ka7eh

# requires pyproj and shapely

import collections
import functools
import math
import random

import pyproj
from shapely.geometry import box, point, polygon
from shapely.ops import transform

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function cssInliner(el) {
    var cssProperties = getComputedStyle(el, null);
    var cssText = '';
    for (var i = 0; i < cssProperties.length; i++) {
        cssText += cssProperties[i] + ':' + cssProperties.getPropertyValue(cssProperties[i]) + ';'
    }

    el.style.cssText = cssText;

    for (var j = 0; j < el.childElementCount; j++) {

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function getStyles(doc) {
    /** idea from https://github.com/NYTimes/svg-crowbar **/
    var styles = '',
        styleSheets = doc.styleSheets;

    if (styleSheets) {
        for (var i = 0; i < styleSheets.length; i++) {
            processStyleSheet(styleSheets[i]);
        }
    }