samgiles

/* 
 *   A function that converts a PostGIS query into a GeoJSON object.
 *   Copyright (C) 2012  Samuel Giles <sam@sam-giles.co.uk>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,

sandys

# run using ```rvm jruby-1.6.7 do  jruby "-J-Xmx2000m" "--1.9" tej.rb```

require 'rubygems'
require 'nokogiri'
require 'csv'

f = File.open("/tmp/preview.html")
doc = Nokogiri::HTML(f)
csv = CSV.open("/tmp/output.csv", 'w',{:col_sep => ",", :quote_char => '\'', :force_quotes => true})

dergachev

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:

christianroman

rpm -Uvh http://yum.postgresql.org/9.3/redhat/rhel-6-x86_64/pgdg-centos93-9.3-1.noarch.rpm

yum install postgresql93 postgresql93-server postgresql93-contrib postgresql93-devel postgis2_93 postgis2_93-utils

#Configure PostgreSQL
chkconfig postgresql-9.3 on
service postgresql-9.3 initdb
service postgresql-9.3 start

# Create PostGIS template

mollietaylor

library(OIdata)
library(RColorBrewer)
library(classInt)

# load state data from OIdata package:
data(state)

# set constants:
nclr <- 8 # number of bins
min <- 0 # theoretical minimum

wsargent

303 See Other

Location: https://github.com/wsargent/docker-cheat-sheet

Hi there!

The docker cheat sheet has moved to a Github project under https://github.com/wsargent/docker-cheat-sheet.

Please click on the link above to go to the cheat sheet.

pkuczynski

#!/bin/sh
parse_yaml() {
   local prefix=$2
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
   awk -F$fs '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}

levelsio

<?
/////////////////////
// slack2html
// by @levelsio
/////////////////////
//
/////////////////////
// WHAT DOES THIS DO?
/////////////////////
//

willium

pop.var <- function(x) var(x) * (length(x)-1) / length(x)
pop.sd <- function(x) sqrt(pop.var(x))

chriswhong

// custom mapbopx-gl-draw mode that modifies draw_line_string
// shows a center point, radius line, and circle polygon while drawing
// forces draw.create on creation of second vertex

import MapboxDraw from 'mapbox-gl-draw';
import numeral from 'numeral';
import lineDistance from 'npm:@turf/line-distance';

const RadiusMode = MapboxDraw.modes.draw_line_string;