Filip Kral filipkral

## gist:7441074
// to open a confirm dialog before you leave the page, enter this into the browser console (or the javascript code)
window.onbeforeunload = function(e){ var e = e || window.event; var msg ="Don't leave!"; if(e){e.returnvalue = msg;} return msg; }

## gist:45b49cad4d23fb211632

// get
function yay(a,b,c){ console.log(['yay', a, b, c]); }
function nay(a,b,c){ console.log(['nay', a, b, c]); }
$.get({url: 'http://foo.bar/spam?eggs=1', dataType:'jsonp'}).done( yay ).fail( nay );

$.post("http://foo.bar/spam", {eggs: 1} ).done( yay ).fail( nay );

var jqxhr = $.ajax( {url:"http://foo.bar/spam", data: {}, method: 'GET', dataType: 'jsonp'}).done( yay ).fail( nay ).always(function() { console.log( "always" ); });

## python-cheat-sheet-basic.py
#!/usr/bin/env python

"""Basic Python Cheat Sheet by Filip Kral on 2015/02/16"""

"""
Python is a cross-platform, interpreted, object-oriented programming language.
That means you can run it on Linux, Windows, Mac, and other platforms,
you don't need to compile your code to execute it because it is compiled on
the fly, and you can use classes and objects.

## convert_xml_codes.py
# How to convert XML codes for Unicode can be translated to Unicode in Python
# This is useful for example when reading/writing from/to attribute tables in ArcGIS
import HTMLParser
parser = HTMLParser.HTMLParser()

unescaped = parser.unescape('Krineln&#224;ch')

# To convert from Unicode to xml do:
escaped = u'Krineln\xe0ch'.encode('ascii', 'xmlcharrefreplace')

## load_jqeury.js
// self-executing oneliner to paste it to console
(function load_jQuery(){var jq = document.createElement('script'); jq.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"; document.getElementsByTagName('head')[0].appendChild(jq); setTimeout(function(){ jQuery.noConflict(); console.log('jQuery should be available as jQuery now.'); }, 3000); })();

// the above function in readable form
function load_jQuery(){
  // Load jQuery
  // based on http://stackoverflow.com/questions/7474354/include-jquery-in-the-javascript-console
  var jq = document.createElement('script');
  jq.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js";
  document.getElementsByTagName('head')[0].appendChild(jq);

## InsertSheetForEachSelectedCell
Sub InsertSheetForEachSelectedCell()
    'Insert a sheet for each cell in a selected range
    'Each new sheet will be called prefix + cell value + suffix
    'User is prompted to enter prefix and suffix when this macro is run
    'Will fail miserably if sheet with that name already exists!
    'Typical use case: select A1:A10 with values 1,2,3,...,10 then run this macro.

    Dim prefix As String
    Dim suffix As String
    prefix = InputBox("Enter Sheet name prefix", "SheetPrefix", "")

## GitBasics
# https://confluence.atlassian.com/display/STASH/Basic+Git+commands

# simplest example

git clone https://github.com/some/repo repo
cd repo
# make changes to files
git commit -a -m "Commit message"
# you can check status by `git status`
git push origin master

## convert_sp_geojson.r
# Convert between geojson and sp spatial objects in R
require(rgdal)

# https://stat.duke.edu/~cr173/Sta523_Fa14/spatial_data.html
s <- '{ "type": "MultiPolygon", "coordinates": [
  [ [[40, 40], [20, 45], [45, 30], [40, 40]] ],
  [ [[20, 35], [10, 30], [10, 10], [30, 5], [45, 20], [20, 35]],
    [[30, 20], [20, 15], [20, 25], [30, 20]]
  ]
]}'

## snowfall_trivial.r
# A trivial example for parallel computation using R snowfall package
require(snowfall)
sfInit(paralell=TRUE, cpus=2)

fn <- function(x){
  return(x*x)
}

d <- 1:1000
result <- sfLapply(d, fn)

## mini-esri-leaflet.html
<!DOCTYPE html>
<html>
  <head>
    <title>Minimal Leaflet</title>
    <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.5/leaflet.css" />
    <style>
      #map{
        width: 150px;
        height:250px;
      }
	// to open a confirm dialog before you leave the page, enter this into the browser console (or the javascript code)
	window.onbeforeunload = function(e){ var e = e \|\| window.event; var msg ="Don't leave!"; if(e){e.returnvalue = msg;} return msg; }

	// get
	function yay(a,b,c){ console.log(['yay', a, b, c]); }
	function nay(a,b,c){ console.log(['nay', a, b, c]); }
	$.get({url: 'http://foo.bar/spam?eggs=1', dataType:'jsonp'}).done( yay ).fail( nay );

	$.post("http://foo.bar/spam", {eggs: 1} ).done( yay ).fail( nay );

	var jqxhr = $.ajax( {url:"http://foo.bar/spam", data: {}, method: 'GET', dataType: 'jsonp'}).done( yay ).fail( nay ).always(function() { console.log( "always" ); });
	#!/usr/bin/env python

	"""Basic Python Cheat Sheet by Filip Kral on 2015/02/16"""

	"""
	Python is a cross-platform, interpreted, object-oriented programming language.
	That means you can run it on Linux, Windows, Mac, and other platforms,
	you don't need to compile your code to execute it because it is compiled on
	the fly, and you can use classes and objects.
	# How to convert XML codes for Unicode can be translated to Unicode in Python
	# This is useful for example when reading/writing from/to attribute tables in ArcGIS
	import HTMLParser
	parser = HTMLParser.HTMLParser()

	unescaped = parser.unescape('Krinelnàch')

	# To convert from Unicode to xml do:
	escaped = u'Krineln\xe0ch'.encode('ascii', 'xmlcharrefreplace')
	// self-executing oneliner to paste it to console
	(function load_jQuery(){var jq = document.createElement('script'); jq.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"; document.getElementsByTagName('head')[0].appendChild(jq); setTimeout(function(){ jQuery.noConflict(); console.log('jQuery should be available as jQuery now.'); }, 3000); })();

	// the above function in readable form
	function load_jQuery(){
	// Load jQuery
	// based on http://stackoverflow.com/questions/7474354/include-jquery-in-the-javascript-console
	var jq = document.createElement('script');
	jq.src = "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js";
	document.getElementsByTagName('head')[0].appendChild(jq);
	Sub InsertSheetForEachSelectedCell()
	'Insert a sheet for each cell in a selected range
	'Each new sheet will be called prefix + cell value + suffix
	'User is prompted to enter prefix and suffix when this macro is run
	'Will fail miserably if sheet with that name already exists!
	'Typical use case: select A1:A10 with values 1,2,3,...,10 then run this macro.

	Dim prefix As String
	Dim suffix As String
	prefix = InputBox("Enter Sheet name prefix", "SheetPrefix", "")
	# https://confluence.atlassian.com/display/STASH/Basic+Git+commands

	# simplest example

	git clone https://github.com/some/repo repo
	cd repo
	# make changes to files
	git commit -a -m "Commit message"
	# you can check status by `git status`
	git push origin master
	# Convert between geojson and sp spatial objects in R
	require(rgdal)

	# https://stat.duke.edu/~cr173/Sta523_Fa14/spatial_data.html
	s <- '{ "type": "MultiPolygon", "coordinates": [
	[ [[40, 40], [20, 45], [45, 30], [40, 40]] ],
	[ [[20, 35], [10, 30], [10, 10], [30, 5], [45, 20], [20, 35]],
	[[30, 20], [20, 15], [20, 25], [30, 20]]
	]
	]}'
	# A trivial example for parallel computation using R snowfall package
	require(snowfall)
	sfInit(paralell=TRUE, cpus=2)

	fn <- function(x){
	return(x*x)
	}

	d <- 1:1000
	result <- sfLapply(d, fn)
	<!DOCTYPE html>
	<html>
	<head>
	<title>Minimal Leaflet</title>
	<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.5/leaflet.css" />
	<style>
	#map{
	width: 150px;
	height:250px;
	}